Home

Teledyne Outdoor Gas Burner Infrared Gas Analyzer User's Manual

1. th 11 Cr sensor input jy i Unused ER 12 aa is 14 15 E remote range niied a xax Ed input o 16 e CH remote range Unused mE Y S DE tale a 19 CH1 remote range Unused EE 1 changeover input BERE j M3 5 screw 7 CH4 remote range E al input Dn Terminal block 4 lt TN4 gt Contact output for CH4 span calibration 7 DO L Unused Contact output for CH3 Auto calibration status span ro L f contact output DO DO Contact output for m Calibration error span calibration contact output DO DO L Jd e Bn 7 Pump ON OFF contact p Do L output DO Contact output for zero calibration KaL Unused DO M3 5 screw 1 Unused terminals are used for internal connection and should not be used as repeating terminals either 2 O2 sensor input is used when an external O2 analyzer is selected Model 7500 Instruction Manual 8 Description on terminal block Terminal block 1 lt IN1 gt Terminal block for analog output non isolated output Output 4 to 20 mA or 0 to 100V DC Between 1 2 Between 3 4 Between 5 6 Between 7 8 Between 9 10 Between 11 14 Between 15 16 Between 17 18 Between 19 20 CH5 output CHA output CH3 output CH2 output CH1 output For internal connection Must not be wired Must not be used as junction terminal CH8 output CH7 output CH6 output Terminal block 2 TN2 Between 1 2 Be
2. CH1 Range 1 and Range 2 are calibrated together with zero or span calibration CH2 Only currently displayed range is calibrated with zero or span calibration Manual Calibration screen In case of both setting fERO Cal ENT Go on calibration of selected CH ESC hlot calibration ER 0 10 vol 1382 Coz Range s gals CH bRangel 0 500 pem T 9993 Range D0ppm His ie Eo 0 10 voli O2 Range 0 25 voli Two cursors will appear in both ranges Note When calibration is performed by the Both setting under the normal operating condition prepare a span gas cylinder on the normal operating range side It is recommend to perform span gas calibration in the normal operating range The other range that is calibrated by Both may result in some error max of 5 of FS 37 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 2 4 Setting of auto calibration component It sets the CH component to be calibrated in the auto calibration 1 During measurement press the MODE key to display the User mode 2 Point the cursor to Setting about Calibration by pressing the UP or DOWN key Press the ENT key 3 In the Setting about Calibration screen that appears point the cursor to Auto Calibration Components by pressing the UP or DOWN key Press the ENT key 4 In the Auto Calibration Components selection screen that appears point the cursor to the CH
3. Entry of dust in the instrument may cause operation fault Use clean pipes and couplings Purge gas inlet Sampling gas outlet Sampling gas inlet Fig 3 1 Piping Sampling gas inlet Connect the pipe so that zero span calibration standard gas or measured gas pre treated with dehumidification is supplied properly The gas flow rate should be kept constant within the range of 1 L min 0 5 L min Sampling gas outlet Measured gas is exhausted after measurement Connect the pipe so that the gas may escape through the gas outlet into the atmosphere Purge gas inlet It is used for purging the inside of the total gas analyzer When the analyzer must be purged refer to Item 3 4 Purging inside Analyzer Use dry gas N2 or instrumentation air for purge gas flow rate of 1 L min or more should be used and no dust or mist is contained 3 4 Sampling 1 Conditions of sample gas 1 The dust contained in sample gas should be eliminated completely with filters The filter at the final stage should be capable of eliminating dust of 0 3 microns 2 The dew point of sample gas must be lower than the ambient temperature for preventing formation of drain in the analyzer If water vapor is contained in sample gas its dew point should be reduced down to about 0 C through a dehumidifier 3 If SOS mist is contained in sample gas the mist should be eliminated with a mist filter cooler etc Eliminate other mist in the same way 4 If a l
4. Oo TELEDYNE ANALYTICAL INSTRUMENTS OPERATING INSTRUCTIONS Series Model 7500 Infrared Gas Analyzer DANGER HIGHLY TOXIC AND OR FLAMMABLE LIQUIDS OR GASES MAY BE PRESENT IN THIS MONITORING SYSTEM PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PERSIST FOR A TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED ONLY AUTHORIZED PERSONNEL SHOULD CONDUCT MAINTENANCE AND OR SERVICING BEFORE CONDUCTING ANY MAINTENANCE OR SERVICING CONSULT WITH AUTHORIZED SUPERVISOR MANAGER P N 06 20 06 ECO 44 Teledyne Analytical Instruments PRELIMINARY We are grateful for your purchase of Teledyne Analytical Instrument s Model 7500 Infrared Gas Analyzer First read this instruction manual carefully until an adequate understanding is acquired and then proceed to installation operation and maintenance of the analyzer Wrong handling may cause an accident or injury The specifications of this analyzer are subject to change without prior notice for further product improvement e Modification of this analyzer is strictly prohibited unless a written approval is obtained from the manufacturer Teledyne will not bear any responsibility for a trouble caused by such a modification This instruction manual shall be stored by the person who actually uses the analyzer After reading the manual be sure to store it at a place easier t
5. 1 Power inlet When using supplied power cable connect the female side to the power inlet at the rear panel of the analyzer and insert the male side into a receptacle matching the rating Power Inlet 3 pins 00 Male side 100V to 240V AC Fig 3 4 50 60Hz 15 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments When a noise source is in the vicinity Do not install the analyzer near power noise generating electric equipment such as high frequency furnace and electric welder If the analyzer must be used near such equipment a separate power line should be used for avoiding noise In case noise may enter from a relay solenoid valve etc through power supply connect a varistor such as ENA211 2 made by Fuji Electric or spark killer like S1201 made by OKAYA to the noise source as shown below If the varistor or spark killer is located away from the noise source no effect is obtainable So locate near the noise source ZRJ power supply Varistor or spark killer O Locate and connect d in close proximity Moise source 2 Analog output signal AO terminal block 1 1 to 10 15 to 20 Output signal 4 to 20 mADC or 0 to 1 VDC selected when ordering Non insulated output Allowable load 4 to 20 mADC 5500 or less O to 1 VDC 100kO or less Analog output is provided from each terminal corresponding to the channel displayed in the measurement screen Note All of analog output s
6. Conversion output On The value of the O2 correction reference value Value set by application Os Oxygen concentration 96 Cs Concentration of relevant measured component K The value of the fractional part is this equation Where K is When K 4 K 4 When K 0 K 4 When Cs 0 K 0 The correction components are CO and SO2 only 27 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments O2 correction concentration average value CH component where AV CV is displayed as AV CV CO in the component display and O2 average value a value obtained by averaging O2 conversion concentration value or O2 concentration value in a fixed time is output every 30 seconds Averaging time can be changed between 1 minute and 59 minutes or 1 hour and 4 hours according to the average time settings See 6 7 Parameter setting The set time is displayed as 1h for instance in the Range display The measurement ranges of O2 correction concentration value and O2 correction concentration average value are the same as that of the measuring components Also the measurement range of O2 average value is the same as that of O2 2 Setting selection screen The setting selection screen is configured as shown below In the status display area the current status is displayed In the message display area messages associated with operation are displayed In the setting item and selection item display ar
7. 2 HOW Io ClealiCell catene themes as 67 S TROUBEESFIOOTINGO dai 68 SENO MESS ade antibioticos 68 OOF ECIFIGATIONS sites e ae 70 OA OOCGINGANOMNS cisrenan T 70 9 2 Gode SVmbolS psa 73 9 3 OUUING Cla Ol Ail EET LT OL 78 map d coors os cea 80 Bici lae Saad 80 7 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 1 OVERVIEW The Model 7500 infrared gas analyzer measures the concentrations of CO2 CO CH4 SO2 and O2 contained in sample gas CO2 CO CH4 and SO2 are measured by non dispersion infrared method while O2 is measured by paramagnetic method A maximum of 4 components including O2 a maximum of 3 components for other than O2 measurement are simultaneously measurable A high sensitivity mass flow sensor is used in the detector unit of infrared method Due to use of single beam system for measurement maintenance is easy and an excellent stability is ensured for a long period of time In addition a microprocessor is built in and a large sized liquid crystal display is provided for easier operation higher accuracy and more functions This analyzer is thus optimum for combustion control of various industrial furnaces botanical study and global atmospheric research 8 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 2 NAME AND DESCRIPTION OF EACH PART 2 1 Description of each unit DHandle Power switch Switch for back light Display and operation panel d2
8. Model 7500 Instruction Manual 44 Teledyne Analytical Instruments Auto calibration status contact output is closed during auto zero calibration and is open in other cases Example Start time SUN 12 00 Cycle 12 hour Flow time 300 sec ON OFF ON In case where auto zero calibration is carried out at the above setting Sunday Monday Tuesday 12 00 12 00 12 00 Cycle gt EN m Auto zero calibration Zero calibration l l 300sec I e Flow time An example of CHI through CH3 enable as given in Item 6 2 4 Auto Calibration Components Setting range Cycle 1 to 99 hours or 1 to 40 days initial value 7 days Flow time 60 to 599 sec initial value 300 sec Caution When an auto zero calibration starts the measurement screen automatically appears Any operation other than forced stop of auto zero calibration see Item 6 5 2 is not permitted during auto zero calibration Auto Zero Calibration Cancel cannot be performed with the key lock to ON To cancel auto zero calibration forcedly set the key lock to OFF and then execute Auto Zero Calibration Cancel f the auto calibration period and auto zero calibration period have overlapped the auto calibration is retained ignoring the auto zero calibration of that period 48 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 5 2 Forced stop of auto zero calibration This mode is used to cancel the auto zero calibration forcedly 1
9. Upper limit value Sets the upper limit value concentration of alarm Lower limit value Sets the lower limit value concentration of alarm Contact action Selects one of upper limit alarm lower limit alarm and upper limit or lower limit alarm Upper limit alarm Alarm contact operates when above upper limit value Lower limit alarm Alarm contact operates when below lower limit value Upper limit alarm or lower limit alarm Alarm contact operates when above upper limit value or below lower limit value ON OFF Enables the alarm function if set at ON or disables the alarm function if set at OFF The upper limit value cannot be set below the lower limit value and the lower limit value cannot be set above the upper limit value If it is desired to set the upper limit value below the lower limit value already stored in the memory reduce the lower limit value beforehand or vice versa Typical on screen display when an alarm occurs When an upper limit alarm has occurred the High alarm message lights at CH component NE z Low alarm at lower limit alarm CAUTION For 10 minutes after turning on power the alarm judgment is inactive 41 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 3 2 Hysteresis setting To prevent chattering of an alarm output near the alarm setting values set hysteresis 1 In the Alarm Setting CH Selection screen that appears poin
10. and calibration is carried out on the same calibration gas line Zero gas Dry air or atmospheric air Span gas For other than O2 measurement each sample gas having concentration 90 to 100 of its measuring range For O2 measurement O2 gas of 1 to 2 vol 7 Installation conditions Use this instrument indoors Select a place where the equipment does not receive direct sunshine draft rain or radiation from hot substances If such a place cannot be found a roof or cover should be prepared for protection A vibration free place A place which is clean around the analyzer Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 9 2 Code symbols 619111918 1416161719100 21 4 Digit No TILILIDEL steods 100 to 240 AC Fic174 on back face 100 to HOY AC Rei M on back face with purging 100 to 240V AC NPT 1 4 on beck face 100 to 246 AC NPT 1 4 on back face with 73 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 12345672 910111219 14151517 181920 217 Digit No ERA CE Se ETT 4 Measuring ranges 2nd component 1st range None O to 500ppm O to 1000ppm O to 2000ppm O to 2500ppm O to 5000ppm AAA nn m l ee ee M l 4 ta 25 O to 40 O ta 50 O te FO O to 100 Others Measuring range 2nd component 2nd range Mone Oto 1000ppm to 2000ppm Oto 25
11. noza 6 e 9 9 9 6 6 9 oO 6 6 9 plotoso eje oe o o amp amp GO pue p X x xs e g xy x 6k X9 x o O Available as single range 2 ranges of 2 and 2 5 times each range available e ia Table 3 Double component analyzer CHa and CO un c 2nd component Gon istrange 1st component Ur lau psTuaTx LiparxTxrs OJO OSO OO R eee ils 0 to 100 Hoesms 6 Fe o erljerlser lel meelo a oD etats teto Koozw l eajaajajajoj ej oj ajoja ales o ee 89 9 9 98 9 989 9 9 mowa e oe e foe f f elteleleflele ea meere teti tetee ere 55 a Piraso oO amp e UO 9 o e Bowis es f amp ole e gio 0 C Available as single range G 2 ranges of 2 and 2 5 times each range available 76 OOOO DO Model 7500 Instruction Manual 44 Teledyne Analytical Instruments Table 4 Double component analyzer CO2 and CH a and component CHa 1st range CHa 1st component G EL 1g ck Lok Woo wj 3 V CO21st range ata 100pem nto 2000rpm Dto 2500ppm DioStopm nio 1 Oto2w ots Gown 5 O o9 o 9 ummm 8 ej elje Hows OG o ejej GO CO2 K 0 to 2 Piotoso e eG 9 G6 GO Are XE 0 y 5 L nu ey X dy BE t3 Available as sing
12. oe fe e pa pe Pare E Jota UD eo Oc lodo ol o Ela eXOAEIOEGYAEIOQE gt G 0to2000ppm OAD OAD eoa yeso BA OA 9 e x aa 4 e 1 LIS Ex Lo AES mE up oy xn E ES TRAGA uo AS m Vox Es En n E m gt Glide ee SONNO x ee l E Wise ses s 9 Ese i ese OC a esp ce e ox se Jos aa guo s e Mi PEPE IAEA AE cii duae eee ee ee ee ll _ 9E eb EAN p e x s D s es ox c gt 08 X in um x ESS e ERA E Mem jj e m p ox e po ea e ra pa a x ER oy CO RUIT measurable range 3 CO analyzer measurable range A CHa analyzer measurable range O 50 analyzer measurable range Mote Single range is also available Table 2 Double component analyzer COs and CO Ecol WM nd component CO 1st ranga e ist component E Ce su pz pate ote tw tute R CO strange nto soopem Ot 1000ppm n to 2000pgm o io 2600ppm pra 5000p Ote iw 002 ow8 pio tex o120 Oto25 01 50 010 100 Hem 6 6 6 6 6 6 6 6 6 O Joo G8 oO OoJ c O Ooj 0Oo GO ocoJ aj K002 amp 09 0101 010 0 0 010 0 e0 TO 30 RE FENT EE TE LS ee CK uu E FEF Mot10 0o o pepe o o aj ajaj
13. terminal block 4 and terminal block 5 Contact rating 250VAC 2A load resistance An output is for a relay contact output An output is provided when switching to conductive on or open off Note The wires of analog output signals O2 sensor input and contact input should be fixed separately from power supply wiring and contact output wiring 6 Communication interface connector 2 Please refer to the manual for communication function 17 Model 7500 Instruction Manual 7 List of terminal blocks 1 to 5 Terminal block 1 lt TN1 gt CH5 output L9 8 A T ja AO L m ua CH4 output z 1 Unused ES woe Ta gt CH3 output m5 15 CH8 output FAG T AO CH2 output E Tf CH7 output CH1 output 9 19 3 CHE output AO AQ 113 5 serew Terminal block 3 lt TN3 gt CH4 range identification signal output DO 7 GH3 range identification J signal output DIO Average value reset f EN 17 input DI TN 18 Auto calibration 14 remote start l input DI 7 CH range identification J signal output DO 7 CH1 range identification J signal output DIC 413 5 screw Terminal block 5 lt TN5 gt Unused 1 CH3 alarm output Unused DO E CHZ alarm output iDO f CH1 alarm output DO Peak count alarm ASP ut DO CH4 alarm output ipo 113 5 screw 18 44 Teledyne Analytical Instruments Terminal block 2 lt TN2 gt
14. Error Log Up to 14 errors can be saved in the error history the oldest error will be deleted one by one every time a new occurs If the power display supply is turned OFF the contents in the error log file will not be lost or damaged Deletion of error history Press the ENT key on the above screen and the Error Log Clear will be inverted Further pressing the key will clear the error history 69 Model 7500 Instruction Manual 9 SPECIFICATIONS 9 1 Specifications 1 Standard specifications Principle of measurement CO2 CO CH4 SO2 Non dispersion infrared ray absorption method Single light source and single beam single beam system O2 Paramagnetic method O2 sensor built in or zirconia sensor method O2 sensor externally installed Measurable gas components and measuring range Minimum range Maximum range O to 500 ppm _ 0 to 100 vol Oto 200 ppm _ 0 to 100 vol O to 1000 ppm 0 to 100 vol O to 1000 ppm 0 to 5000 ppm O2 built in O to 5 vol O to 100 vol O2 external O to 5 vol O to 25 vol zirconia Max 4 components measurement including O2 1 or 2 measuring range per component Measuring range ratio lt 1 5 except built in O2 x 1 20 built in O2 Max 4 components and 2 ranges are selectable including an O2 measurement For measurable components and possible combinations of measuring ranges refer to Tables 1 to 6 Measured value indication Digital indication in 4 dig
15. In the Menu mode that is displayed point the cursor to Setting of Auto Zero Calibration by pressing the UP or DOWN key Press the ENT key 2 In the Setting of Auto Zero Calibration item selection screen that appears point the cursor to Setting of Auto Zero Calibration by pressing the UP or DOWN key Press the key 3 Stop Auto Zero Calibration is inverted A message appears prompting you to verify that you want to cancel or continue auto zero calibration To cancel the auto zero calibration press the ENT key If you press the ESC key auto zero calibration is not stopped 49 User Mode Select an item with UF DONA and ENT Back with ESC Changeover of Range setting about Calibration Alarm Setting Setting of Auto Calibration 4 Setting of Auto Zero Calibration setting of Peak Alarm Parameter setting About Buto cero bal otart Time Cycle Flom Time ON OFF Stop auto Zero calibration Stop with ENT Mot with ESC Start Time SUN Cycle UT Flow Time 00 ON OFF OFF Time WED Model 7500 Instruction Manual 44 Teledyne Analytical Instruments Auto Zero Calibration screen Example In case where setting the auto calibration components see Item 6 2 4 to CH1 enable and CH2 enable e Zero calibration A message Zero calibration blinks at CH1 and CH2 CAUTION During auto zero calibration any key operation is not permitted other than operations such as key lo
16. Terminal block 5 dt Terminal block 4 Purge gas inlet Sampling gas outlet 8 8ampling gas inlet d4Power inlet d Connector 2 8 Terminal block 1 A Terminal block 2 dd Terminal block 3 Name Description 4 Display Operation panel Liquid crystal display and keys for various operational settings are arranged 5 Sampling gas inlet Port for connecting the sample gas injection pipe 6 Sampling gas outlet Port for connecting the pipe for discharging the gas after analysis 9 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 3 INSTALLATION DANGER This unit is not explosion proof type Do not use it in a place with explosive gases to avoid explosion fire or other serious accidents CAUTION For installation observe the rule on it given in the instruction manual and select a place where the weight of gas analyzer can be endured Installation at an unsuited place may cause turnover or fall and there is a risk of injury For lifting the gas analyzer be sure to wear protective gloves Bare hands may invite an injury Before transport fix the casing so that it will not open Otherwise the casing may be separated and fall to cause an injury The gas analyzer is heavy It should be transported carefully by two or more persons if manually required Otherwise body may be damaged or injured During installation work care should be taken to keep the unit free from cable ch
17. connector should be plugged into CN11 and 2 component connector into CN1 respectively 64 Model 7500 Instruction Manual 87 Teledyne Analytical Instruments sr orn ater A Tse plate 00 e Serew or fixing biock cei a ares transmission window window holden s fons O O O Fig 7 2 Configuration of measuring unit block cell 65 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 3 How to remove measuring unit See Fig 7 3 1 For Step 1 to 4 see Item 7 3 1 1 How to remove pipe cell 2 Remove the detector output cord connector from the printed board 3 Remove wiring to the 2 pin terminals of the infrared ray light source assembly and chopper motor pin connector No 8 from the printed board 4 Detach the 4 screws No 3 fastening the base plate No 4 to remove the measuring unit Note Special care should be taken when assembling or disassembling the measuring cell to avoid the application of force to the detector pipe or infrared ray light source unit pipe If the pipe is deformed or damaged by excessive force there is a danger of gas leak thus resulting in misoperation 6 Blockcell 8 Oring ______ 9 Detector Fig 7 3 Configuration of measuring unit 2 component analyzer block cell pipe cell 66 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 7 3 2 How to clean cell 1 To clean the cell inside or infrared ray transmissi
18. contact Output hold function with hold ON setting Zero calibration off Output signal hold N Hold extension time nz Span calibration i on Pump ON OFF contact BR Zero calibration contact off Span 1 calibration contact off E El on span 2 neiden contact l off I Qutput hold function with hold ON setting Output signal hold P 2l Hold extension time Note The hold extension time depends on the gas flow time of the automatic calibration settings 2 In case of automatic calibration example shown in 6 4 1 Automatic calibration settings Automatic CH1 CH2 calibration Zero span span CH3 span calibration start calibration calibration calibration automatic calibration end I I Pump ON OFF contact l l Zero calibration contact 3505 i i i CH1 span calibration contact CH1 span gas i 50s CH2 span calibration contact CH2 span gas span gas 3505 CH3 span calibration contact CH3 span gas 35085 Automatic calibration contact I I I I Output hold function With hold ON setting i Output signal hold Hold extension time 23 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 4 OPERATION 4 1 Preparation for operation 1 Check of gas sampling tube exhaust tube and wiring Check that the pipes are correctly connected to the gas sampling port and drain port Chec
19. key 3 In the Setting of Auto Zero Calibration screen that appears point the cursor to any item you want by pressing the UP or DOWN key Press the ENT key 4 In the Auto Zero Calibration Parameter Setting screen that appears perform the value entry or the setting For the value entry or setting change use the UP or DOWN key To change the setting use the RIGHT key to move the cursor to the right After setting press the ENT key and auto zero calibration is carried out by the entered setting value Description of setting items Start Time Setting at the first calibration day of the week hour minute Cycle A period between the start time of one calibration and another unit hour day Flow Time The time required for the calibration gas to be replaced in the cell ON OFF Auto zero calibration ON or OFF To close Auto Zero Calibration To close the Auto Zero Calibration or cancel this mode midway press the ESC key A previous screen will return 47 T Gen User Mode Select an item with UP DOWN and ENT Back with ESC Changeover of Range Setting about Calibration Alarm setting setting of Auto Calibration C4 Setting of Auto Zero Calibration Setting of Peak Alarm Parameter setting About Auto ero bal 1 Start Time Cycle Flow Time ON OFF YO CI 0 Start Time SUN Cycle NY Flom Time 00 ON OFF OFF Time WED 12 00 day sec 15 412
20. scale Linearity 1 of full scale Zero drift 2 of full scale week Span drift 2 of full scale week Response time for 90 FS response including replacement time of sample gas 1 or 2 component measurement Within 15 seconds 3 or 4 component measurement Within 30 seconds 72 4 Teledyne Analytical Instruments Interference from other gases Interference component ana BUM ana ana ana lyzer lyzer lyzer m oe i a CO2 15 H2O satura tion at 20 C 2 196 FS for 200 ppm analyzer 2 596 FS 196 FS for 200 ppm analyzer 2 596 FS 2 596 FS for 200 ppm ana lyzer lt 1 FS lt 1 FS FS lt 1 FS 6 Standard Requirements for Sample Gas H20 satura tion at 2 C Flow rate 1L min x0 5L min Temperature 0 to 50 C Pressure 10 kPa or less Gas outlet side should be open to the atmospheric air Dust 100 ug Nma3 in particle size of 0 3 ym or less Mist Unallowable Moisture Below a level where saturation occurs at room temperature condensation unallowable Below a level to cause saturation at 2 C for CO measurement with O to 200 ppm range and SO2 measurement Corrosive component HCI 1 ppm or less Standard gas for calibration Zero gas Dry N2 Span gas Each sample gas having concentration 90 to 100 of its measuring range recommended Gas beyond concentration 100 is unusable In case a zirconia O2 analyzer is installed externally
21. to touch the input output terminals in the instrument Otherwise shock hazard or injury may occur Do not smoke nor use a flame near the gas analyzer Otherwise a fire may be caused Do not allow water to go into the gas analyzer Otherwise hazard shock or fire in the instrument may be caused Caution on maintenance and check DANGER When doors are open during maintenance or inspection be sure to purge sufficiently the inside of the gas analyzer as well as the measuring gas line with nitrogen or air in order to prevent poisoning fire or explosion due to gas leak CAUTION Be sure to observe the following for safe operation avoiding the shock hazard and injury Remove the watch and other metallic objects before work Do not touch the instrument wet handed If the fuse is blown eliminate the cause and then replace it with the one of the same capacity and type as before Otherwise shock hazard or fault may be caused Do not use a replacement part other than specified by the instrument maker Otherwise adequate performance will not be provided Besides an accident or fault may be caused Replacement parts such as a maintenance part should be disposed of as incombustibles For details follow the local ordinance CAUTION If the cause of any fault cannot be determined despite reference to the instruction manual be sure to contact the factory If the instrument is disassembled carelessly you may have a shock h
22. with Not with ESC WED 11 30 0T day Jb sec ON Time WED 15 41 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments Auto Calibration screen Example In case where setting the auto calibration components see Item 6 2 4 to CH1 enable and CH2 enable e Zero calibration A message Zero calibration blinks at CH1 and CH2 CH1 span calibration A message Span calibration blinks at CH1 e CH2 span calibration A message Span calibration blinks at CH2 CAUTION During auto calibration any key operation is not permitted other than operations such as key lock ON OFF and Stop Auto Calibration When the key lock is set at ON even the Stop Auto Calibration cannot be used To stop Auto Calibration forcedly set the key lock to OFF and then execute Stop Auto Calibration 46 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 5 Setting of auto zero calibration 6 5 1 Auto zero calibration Auto zero calibration is automatically carried out when zero calibration are set Components for which a calibration is to be made are determined by setting of auto calibration component in 6 2 4 Before changing the setting of auto zero calibration set the ON OFF to OFF 1 During measurement press the MODE key to display the User mode 2 Point the cursor to Setting of Auto Zero Calibration by pressing the UP or DOWN key Press the ENT
23. you want to set by pressing the UP or DOWN key Press the ENT key 38 Y User Mode Select an item BN ip Do and ENT Back with ESC Changeover of Range L4 setting about Calibration Alarm Setting setting of uto Calibration Setting of Auto Zero Calibration Setting of Peak Alarm Parameter Setting JL CC Ge Cal Settings Select an item with UP DOWN and ENT Back with ESC Calibration Value About ZERO Calibration About Calibration Range TA tuto Calibration Components Lb a 99 Cal Settings Select CH No Auto Lal DCH1 Rangel 0 10 vol Range U 20 voli CH Rangel 0 500 ppm EGET NEC ange ti VO Range 25 voli AA COO YE C0 an Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 5 In the Auto Calibration Selection screen that appears select enable or disable by pressing the UP or DOWN key After setting press the ENT key Cal Settings Set enable or disable Auto Cal for auto calibration To close Auto Calibration Component setting To close Setting of Auto Calibration Component or to ed E ae enable cancel this mode midway press the ESC key A previous CH Rangel 0 500 ppm screen will return Range 0 2000ppm enable Rangel 0 10 vol O2 Range U o vols Ao Example Auto calibration is made in the following rules according to the setting 1 Zero calibration at once of CHs components which were set to enable 2 The
24. 00ppm Dto S000ppm _ ta 1 O to 2 O to 5 O to 10 Oto 20 _ O to 25 O to 50 0 to 100 Others Measuring range gt 3rd component 1st range None O to 500 ppm Oto 1000ppm O to 2000ppm O to 2500ppm 0 to 5000ppm Oto 1 O to 2 O to 3 O ta 5 Lm DX CELL MA 2 l l 2 22 2 2 2 p 2 2 2 2 2 2 24 2 2 22 2 2 2 222 2j 2 2 2 2 2 4 2 2 2 2 2 2 24 2 2 2 2 2 2 2 2 2 P4 uu to 40 O to 50 O to 70 O to 100 Others lt Measuring range gt 3rd component 2nd range Mone to 1000ppm to 2000ppm O to 2500ppm 0 to 5000ppm _ Oto 1 M EIER ST TRE a Re L L J l L 0 to 2 Oto 5 Oto 10 Oto 20 Oto 25 O to 50 O to 100 Others 74 Model 7500 Instruction Manual 21 4 Teledyne Analytical Instruments 1 678 8111213 14151617181020 21 Digit No 2345 AR AA LEA ae Os correction and Os average value output note 7 None note 8 With Os correction output and average output With Peak count alarm output With Os correction and average output and peak count alarm output Adjustment amp tandard For heat treatment Others note 9 lt Code specification for ordering gt 1 C
25. 4 CH3 span calibration contact output Between 5 6 CH2 span calibration contact output KETID E Contact autpul for GH4 EE 8 ibrati span calibration 1 Between 7 8 CH1 span calibration contact mo 2 Unused l l Contact autpul for GHG r J Auto callbratio Between 9 10 Zero calibration contact output When the li L calibration contact output is measured with Contact output for GHZ Gallbration err manual calibration the calibration contact nona L y corresponding to calibration channel is Contact autpul for GH1 17 e pump ONO span calibration 5 conductive 2 L a 1s e O0 uir IENE Unused For the automatic calibration they are worked sequentially M3 5 screw according to 6 4 Auto calibration setting If calibration is not performed all of them are open Between 11 12 For internal connection Must not be wired Must not be used as junction terminal Between 13 14 Automatic calibration in progress contact output Conductive during automatic calibration Open otherwise Between 15 16 Calibration error contact output Conductive when error is produced at zero or span calibration Normally open Between 17 18 Pump ON OFF contact output Used for turning ON OFF the pump Conductive during measurement and open at zero span calibration 21 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments Terminal block 5 lt TN5 gt 1 and 11 14 For internal conn
26. ESC Cal Settings Calibration Value 4 About ZERO Calibration About Calibration Range Auto Calibration Components Y y Ce Cal Settings Select Ch No ZERO Cal BCH Rangel 0 10 voli Range D 20 voli CH Rangel 0 00 ppm G6 fame pee UM ange M NE ee ee LO OO Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 5 In the Manual Calibration Selection screen that appears select At once or Each by pressing the UP or DOWN key When selecting Both the CH components to be set can be zero calibrated at the same time When selecting Each either of the CH components to be selected is zero calibrated After setting press the ENT key and the calibration you specified is EMI Out Gal Settings Set each or at once CH ZERO Cal at ZERO Calibration To close About ZERO Calibration To close About ZERO Calibration setting or to cancel this a m s mode midway press the ESC key A previous screen will CH Rangel D E ppm Rangel 0 10 vol m Range l 2h vol Whether upon selection or at once can be determined for each I CH component EXAMPLE Setting upon selection Select the CH component and then perform zero calibration on the manual zero calibration End of Manual Calibration Setting Screen Setting at once At a manual zero calibration CHs components for which at once was selected can simultaneously be calibrat
27. ESG Back occurrence channel and other details of error refer to 8 1 Error message Error Mo 1 MED 14 38 Error Mo 10 WED 13 58 Error Mo 1 WED 13 58 Error Mo 10 WED 13 58 Error Mo 1 WED 13 58 Error Mo ED 13 52 Error Mo WED 13 52 MA Clear Error Log 57 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments O2 correction reference value setting screen Description of O correction Maintenance set OF ret Value reference value setting screen Mode O correction value 1s calculated from the 2 F ue Sensor Input Value following equation by values set herein J Error Log i 02 ref Value W 2z02 Os correction concentration value E Pasta component Pali No 11 5 o Factory Mode 21 Onconcentration Concentration measured value measured value I The value of the fractional part in this calculation is limited to 4 If it is 4 or more it 1s fixed at 4 setting range 5 correction reference value 00 to 19 in 1 step Initial value 12 Password Setting screen Description of Password Setting screen Set Password M0 It enables you to set a password to be used when switching the parameter setting mode to the maintenance mode Note The password set herein must be managed for safety Failure to enter the correct password will not open the Maintenance mode e Station No setting screen option Maintenance oet Station No Setting range ad
28. Error No 6 Span calibration is not within the allowable Span gas is not supplied range Calibrated concentration setting does not Error No 7 A amount of span calibration difference match cylinder concentration between indication value and calibrated Zero calibration is not performed properly concentration value is over 50 of full scale Span is deflected much due to dirty cell Detector sensitivity is deteriorated Error No 8 Measured values fluctuate to much during zero Calibration gas is not supplied and span calibration Time for supplying calibration gas is not short Error No 9 Calibration is abnormal during auto calibration Error corresponding to No 4 to No 8 occurred during auto calibration Error No 10 Output cable connection is improper Wiring is detached between analyzer and interface module Wiring is disconnected between analyzer and interface module Note When errors No 1 No 3 and No 10 occur instrument error output contacts are conductive When errors No 4 to No 9 occur calibration error output contacts are conductive Screen display and operation at the occurrence of error In case of Error No 1 to No 4 No 6 No 8 to No 10 Measurement screen Display of error contents Dut of ZERU Cal EsD Back to MEAS range Error Na 4 CO Calibration error Calibration ie not succesfully Cause fero gas is not flowing Dirt in sample cell Low sens
29. L min stable Purge gas flow rate About 1L min 2 Maintenance and check should be carried out every day if required 7 2 Daily check and maintenance procedures Table 7 1 Maintenance and check list __ Parts to be checked Every day Recorder indication Lower indication 1 Dust is mixed in 1 Clean sampling the sample cell cell and check for sampling device especially gas filter 2 Air is sucked in 2 Check for leak of anywhere in the the sampling line sampling tube and repair if required Check for purge gas Standard flow rate Adjust the flow flow if purging the is 1L min It is not rate with flow rater sampling gas flow within the range of needle valve instrument the specified flow rate of 0 5 to 1 5L min Heplacement Much clogged Primary filter is 1 Replace primary of Monitor filter damaged filter membrane filter 2 Replace filter paper Every week Zero point of gas Out of zero point Zero calibration analyzer Span point of gas Out of the standard Span calibration analyzer point Replacement Irrespective of Replace filter of monitor filter phenomena paper membrane filter Every year Gas analyzer Irrespective of Overhaul phenomena 61 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 7 3 Cleaning of measuring cell Entry of dust or water drops in the measuring cell contaminates the interior of the cell thus resulting in a drift Clean the inside if dirty Then check the sa
30. arge amount of highly corrosive gas such as Cl2 F2 or HCI is contained in sample gas the service life of analyzer will be shortened So avoid such gases 5 Sample gas temperature is allowed within a range from O to 50 C Pay attention not to flow hot gas directly into the analyzer 12 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 2 Sampling gas flow rate A flow rate of sampling gas must be 1 L min 0 5 L min A flow meter should be provided as shown in Fig 3 2 to measure flow rate values 3 Preparation for standard gas Prepare the standard gas for zero span calibration No O2 meter Built in O2 meter Externally mounted zirconia O2 meter Zero gas N2 gas N2 gas Dry air or air No calibration performed with CO2 meter Span gas except for O2 Gas with concentration Gas with concentration Gas with concentration of 9096 or more of full of 9096 or more of full of 9096 or more of full scale scale scale opan gas for O2 Gas with concentration 1 to 2 of O2 gas of 9096 or more of full scale 4 Purging of instrument inside The inside of instrument need not be purged generally except for the following cases 1 A combustible gas component is contained in sample gas 2 Corrosive gas is contained in the atmospheric air at the installation site 9 The same gas as the sample gas component is contained in the atmospheric air at the installation site In such cases as above the inside of analyzer s
31. arts Setting Response Time Response time The response time of the electrical system can be changed Setting is available by components I CHI SO S Coe CO i CH3 02 Us Note It does not provide exact seconds for the setting time but it gives a guide of the setting time The setting value can be modified as requested by the customer 55 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments Average period It allows you to set an average period of the average value of O2 correction It enables you to set an average time of 1 to 59 minutes 1 minute step or 1 to 4 hours 1 hour step Changing the setting resets the average value of O2 correction and O2 average value Pressing the ENT validates the resetting only for components whose setting was changed Example of average action Suppose the average period is 1 hour Reset Average value Time e Sampling occurs every 30 seconds Parameter Set period of average Setting output fwerage Period CH5 Uco 01 hour CHE av Oz A min Every 30 seconds the average for last 1 hour time setting is output At the instant of resetting zero is assumed for all past values It means the average value will not be correct for 1 hour after resetting Maintenance mode To open the maintenance mode enter a password After entering the password press the ENT key The password can be used for the Password Setting in the Maintenance mode A p
32. assword is set to 0000 before factory shipment This value is available for the Maintenance mode 56 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 8 Maintenance mode This mode is used for check of sensor input values display of error log files or setting of passwords First enter a password and then use it from the next operation This mode is displayed by selecting the Maintenance Mode from 6 7 Parameter Setting 1 Select the Maintenance mode from the Parameter Setting screen to display the Password Setting screen Maintenance Select operating item 2 Enter the password and the Maintenance Mode item oge selection screen will be displayed Point the cursor to the item you want by pressing the or key and press the ENT Sensor Input Value key Error Log OF ref Value 1230 Password Setting Station Mo 01 To Factory Mode 3 Next each Maintenance screen is displayed Note To Factory Mode is used for our service engineers only Refrain from using this mode LODA Maintenance Sensor Input Sensor Input Value screen Description of Sensor Input Value screen e CO2 CO2 sensor input value CO CO sensor input value oe e O2 O2 sensor input value Temperature Temperature sensor input value Error Log screen Description of Error Log screen Error history For error number date and time days period of Maintenance ENT Clear Error Log Error Log
33. auto calibration is set at ON or OFF an auto calibration is available by keeping the remote start input short circuited for at least 1 5 seconds short circuit keep at least 1 5 sec Remote start input Open 44 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 4 2 Forced stop of auto calibration This mode is used to cancel the auto calibration forcedly 1 In the Menu mode that is displayed point the cursor to Setting of Auto Calibration by pressing the UP or DOWN key Press the ENT key 2 In the Setting of Auto Calibration item selection screen that appears point the cursor to Setting of Auto Calibration by pressing the UP or DOWN key Press the ENT key 3 Stop Auto Calibration is inverted A message appears prompting you to verify that you want to cancel or continue auto calibration To cancel the auto calibration press the ENT key If you press the ESC key auto calibration is not stopped 45 mall Changeover of Range setting about Calibration Alarm setting Select an item with UP DOWN and ENT Back with ESC 4 Setting of Auto Calibration setting of Auto Zero Calibration setting of Peak Alarm Parameter Setting LO Ww e mE Start Time Cycle Flow Time ON OFF WED 16 07 OT day IB sec ON Time WED 16 19 T Stop Auto Calibration VO C G About Auto bal Start Time Cycle Flow Time ON OFF Stop auto calibration top
34. azard or injury 5 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments CONTENTS PREFACE m ate gece cee E cage a as ee en esate eae 2 CAUTION ON SAFE Corina 3 OVERVIEW e 8 2 NAME AND DESCRIPTION OF EACH PART ccccccceseeceeeeeeeeeeseeseceeseeeeeeeeeaeeeeeeeaees 9 2 1 Description OF each UNE a 9 SINS TALLA ION lt a AA a 10 3 1 Installatiori conagdillOfis siii ia 10 32 Installation ot ANALY za Ra 11 SS PIDIO cados 11 a 12 29 WIN MOMO apa aia 15 A OPERAHON lt a 24 4 1 Preparation for operation cccoccccconcccoccconcncnnnnnonnnconnnnnnnnnnnnnonnnnonnnnnnnncncnencnncns 24 4 2 Warm up operation and regular operation cccccseccsececeeeceeeceeeeseeeceeeeeeeeseeees 24 5 DESCRIPTION OF DISPLAY AND OPERATION PANEL eere 25 5 1 Name and description of operation panel occcccocnccccnccncnccconccnnnncnncnconcncnncncnnnnss 25 5 2 Overview of display and operation panel ccccoccccccnccconccconcccncnconcncnncncnncncnnnnnnnns 26 5 9 Overview of display Screen iioii ice estes quie cete eee ae 27 5 4 General OperatiON occcccccccncconcncconcnnonononononenononcncnnnnnnononnnononnnnnnnnnnnnannnnnnnnnnnnnnnnns 30 o6 SETTING AND CALIBRATION prin diia 31 6 1 Changeover or range iaa ia 31 O72 Calibration Seting t ici dida 32 6 2 1 Setting of calibration CONCentrati0ON oocccconnccnonnncncnonnnononenononcncnnnnncnnns 32 6 2 2 Setting of manua
35. ck ON OFF and Stop Auto Zero Calibration When the key lock is set at ON even the Stop Auto Zero Calibration cannot be used To stop Auto Zero Calibration forcedly set the key lock to OFF and then execute Stop Auto Zero Calibration 50 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 6 Peak alarm setting When the number of peaks of which CO concentration exceeds the upper limit value exceeds the setting time a peak alarm is outputted This section describes how to perform various settings of peak alarm Note The setting is optional and is valid only when peak alarm function is provided 1 Press the MODE key in the Measurement mode and the User mode appears 2 Point the cursor to Setting of Peak Alarm by pressing the or key Press the ENT key 3 In the Peak Alarm Setting item selection screen that appears point the cursor to any item you want by pressing the UP or DOWN key Press the ENT key 4 Then enter numeric values and perform the setting Entering or setting the numeric values should be carried out by using the UP or DOWN key After setting press the ENT key and the set values you entered are saved Description of setting items Peak Alarm Setting of peak alarm is performed with ON OFF Alarm value If peak concentrations exceed the set alarm value a peak counter counts 1 time Alarm Count When a peak in excess of the setting time occurs a p
36. ction manual and select a place where the weight of gas analyzer can be endured Installation at an unsuited place may cause turnover or fall and there is a risk of injury For lifting the gas analyzer be sure to wear protective gloves Bare hands may invite an injury Before transport fix the casing so that it will not open Otherwise the casing may be separated and fall to cause an injury During installation work care should be taken to keep the unit free from cable chips or other foreign objects Otherwise it may cause fire trouble or malfunction of the unit 3 Model 7500 Instruction Manual 87 Teledyne Analytical Instruments Caution on piping DANGER In piping the following precautions should be observed Wrong piping may cause gas leakage If the leaking gas contains a toxic component there is a risk of serious accident being induced Also if combustible gas is contained there is a danger of explosion fire or the like occurring Connect pipes correctly referring to the instruction manual Exhaust should be led outdoors so that it will not remain in the locker and installation room Exhaust from the analyzer should be relieved in the atmospheric air in order that an unnecessary pressure will not be applied to the analyzer Otherwise any pipe in the analyzer may be disconnected to cause gas leakage For piping use a pipe and a pressure reducing valve to which oil and grease are not adhering I
37. e Allowable 0 3 e Station No 00 to 31 Initial No 00 Sensor Input Value P Error Log 9 OF ref Value 12402 1 Fassword Setting Station Mo M1 5 Te Factory Mode Please refer to another manual INZ TN513327 E about the communication function 58 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 9 Calibration 6 9 1 Zero calibration It is used for zero point adjustment For zero calibration gas see 3 3 3 Preparation for standard gas in Sampling Use a gas according to application 1 Press the ZERO key on the Measurement screen to display the Manual Zero Calibration screen 2 Select the CH component to be calibrated by pressing the UP or DOWN key After selection press the ENT key and zero gas will be supplied CAUTION For the CH components that is set to at once in the Zero Calibration of the Calibration Setting mode zero calibration is also carried out at the same time 3 Wait until the indication is stabilized with the zero gas supplied After the indication has been stabilized press the ENT key Zero calibration in Range selected by the cursor is carried out To close Zero Calibration To close the Zero Calibration or cancel this mode midway press the ESC key A previous screen will return 59 J so Select GH Mo with UPYOOW and ENT Back with ESC ZERO Cal GH1 Rangel 0 10 vols 1001 Range D 20 voli Lael CH Ra
38. e and auto calibration component 6 2 1 Setting of calibration concentration It allows you to set concentrations of the standard gas zero and span of each channel used for calibration 1 During measurement press the MODE key to display the User mode 2 Point the cursor to Setting about Calibration by pressing the UP or DOWN key Press the ENT key 3 In the Setting about Calibration screen that appears point the cursor to Calibration Value by pressing the UP or DOWN key Press the ENT key 4 In the Calibration Concentration CH Selection screen that appears point the cursor to CH you want to set by using the UP or DOWN key Press the ENT key 32 Jp 69 User Mode select an item with UP DOWN and ENT Back with ESC Changeover of Range L4 Setting about Calibration Alarm Setting setting of Auto Calibration Setting of Auto Zero Calibration Setting of Peak Alarm Parameter Setting Y E Gal Settings Select an item with UPYDOWN and ENT Back with ESO a Calibration Value About ERO Calibration About Calibration Range Auto Calibration Components Cal Settings Select CH Mo Cal Value tor setting calibration value RANGE ZERO H CHT l 10401 000 00 I 20vo1 000 00 oH ls D lppm 0000 D 00000 00 00 ee LL ILE LO C00 Gr Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 5 In the Calibration Concentration Selection
39. e time for flowing each calibration gas in auto calibration is set Settable within 60 to 599 seconds in increments of 1 second Auto calibration remote start Auto calibration is carried out only once according to an external input signal Calibration sequence is settable in the same way as the cyclic auto calibration Calibration starts when a non voltage rectangular wave is applied to the auto calibration remote start input terminals opened after short circuiting for 1 5 seconds or longer Auto calibration is started when the contacts open T1 44 Teledyne Analytical Instruments Auto zero calibration Auto zero calibration is carried out periodically at the preset cycle This cycle is independent on Auto calibration cycle When zero calibration gas and solenoid valve for opening closing the calibration gas flow line are prepared externally by the customer zero calibration will be carried out with the solenoid valve drive contact for zero calibration turned on off at the set auto zero calibration timing Auto zero calibration cycle setting Auto zero calibration cycle is set Setting is variable within 1 to 99 hours in increments of 1 hour or setting is variable within 1 to 40 days in increments of 1 day Gas flow time setting The timing for flowing zero gas in auto zero calibration is set Settable 60 to 599 seconds in increments of 1 second Upper lower limit alarm Alarm contact output turns on when the p
40. ea items or values to be set are displayed as required To work on the area move the cursor to any item by using up down and right keys SAR Message display area status display area F e Setting item selection item pats display area Cursor Figure 5 4 Display screen 28 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 3 Contents of measured channel CH The contents in each measured CH corresponding to the type are given below Type code Contents sth 6th digit nh FAN jom cha cus CHa CH5 che cH7 v le v jo LL 4 Jy fy fco jou 5 Jy Jy fco jco joa J ABC Y soz jo J S B ABC YB co joo J S D ABC Y cor o J j j cH4 Jo J PL pq 2 ABC YB coz fco joo P ST 3 ABC YB cha fco joo J S BERT eR esr A aoao EAE icon co em 02 _ A B CIA Corrected Corrected SO2 SO2 average average A B C A C CO Corrected Corrected O2 CO CO average average 2 A B C A C CO2 CO O2 Corrected Corrected O2 CO CO average average 3 A B C A C CH4 CO O2 Corrected Corrected O2 CO CO average average 5 A B C A C CO CO CH4 02 Corrected Corrected O2 CO CO average average How to view the Table When SC2 is displayed in CH1 it means that display and output of CH1 correspond to SO2 component 29 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 5 4 General ope
41. eak count alarm output is provided Hysteresis To prevent possible chattering when the peak value may exceed the set peak concentration by only 1 time the peak count has an allowance in the hysteresis width 51 TL Goo User Mode Select an item with UP DOWN and EMT Back with ESC Changeover of Range setting about Calibration Alarm Setting setting of Auto Calibration Setting of Auto Zero Calibration 4 setting of Peak Alarm Parameter Setting 1L a Gn Peak Alarm Select setting item freak Alarm OFF Alarm Value 500 pem Alarm Count U8 times Hysteresis DO FS HW C0 9 Peak Alarm Set Peak Alarm N or OFF Peak Alarm Mal Alarm Value 0500 ppm Ub times 00 FS Alarm Count Hysteresis 1 00 G0 99 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments Setting range Alarm Value O to 1000 ppm 5 ppm step initial value 500 ppm e Alarm Count 1 to 99 times initial value 5 times e Hysteresis O to 20 of full scale initial value 0 of full scale The hysteresis setting is made in terms of full scale DA peak count alarm is conductive at 5 mesmour Example DA peak count alarm is open at 4 timesmour Peak concentration X E Y EPA m 3 hours ago 2 hours aga Peak count alarm Maasured values Action of peak alarm If CO concentration exceeds the alarm value counting will begin If the number of peak
42. ection Must not be wired Must not be used as junction terminal Terminal block 5 Between 2 3 and 3 4 CH3 alarm output Conductive at 2 3 and open at 3 4 when set value is exceeded Open at 2 3 and conductive at 3 4 otherwise Unused lt Peak count alarm Between 5 6 and6 7 CH2 alarm output Conductive O at 5 6 and open at 6 7 when set value is exceeded re ae h Open at 5 6 and conductive at 6 7 otherwise CH4 alarm output DO 113 5 screw Between 8 9 and 9 10 CH1 alarm output Conductive at 8 9 and open at 9 10 when set value is exceeded Open at 8 9 and conductive at 9 10 otherwise Between 15 16 and 16 17 Peak count alarm contact output Conductive at 15 16 and open at 16 17 when preset peak count is exceed Otherwise open at 15 16 and conductive at 16 17 For setting and action refer to instruction manual 6 6 Peak Alarm Setting Between 18 19 and 19 20 CH4 alarm output Conductive at 18 19 and open at 19 20 when set value is exceeded Open at 18 19 and conductive at 19 20 otherwise 22 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 9 Timing of calibration contact output 1 Manual calibration See 6 9 Calibration 5 B y e E Calibration end on Pump ON OFF contact Lh ee UA off E 11 on Zero calibration contact off CH1 to CH4 span calibration
43. ed When the zirconia O2 analyzer uses the cylinder air or atmospheric air for the zero gas select At once Manual Calibration screen When Each is set for each CH When At once is set for CH1 and CH2 CH3 is set each ZERO Cal Rangel 0 10 vol D Range Ue vol EJ Select CH Mo with prom and ENT Back with ESC iN 0 10 vol co2 Range z 0 volt o r 500 pem DEITORE D Y b Range 10 vo CAS brangel 0 10 vol B S rn M Gu iam Wii A single cursor will appear Cursors will appear on all components ENT Go on calibration of selected CH ESO Mot calibration Rangel 0 500 ppm Range O P000ppm where at once is set 35 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 2 3 Setting of calibration range This mode is used to set if the range of each CH component at the calibration manual calibration or auto calibration should be calibrated with a single range or 2 ranges 1 During measurement press the MODE key to display the User mode 2 Point the cursor to Setting about Calibration by pressing the UP or DOWN key Press the ENT key 3 In the Setting about Calibration screen that appears point the cursor to About Calibration Range by pressing the UP or DOWN key Press the ENT key 4 In the Calibration Range CH Selection screen that appears point the cursor to the CH you want to set by pressing the UP or DOWN
44. electrical system Average Time Sets the moving average time Maintenance mode Enters passwords to switch to the Maintenance mode For the maintenance mode see ltem 6 8 Y es User Mode select an item With UP DOWN and EMT 1 To display the User mode press the MODE key in the Back with ESC measurement mode Changeover of Range 2 Point the cursor to Parameter Setting by pressing the or setting about bal ibration key Press the ENT key Alarm Setting setting of Auto Calibration setting of Auto ero Calibration setting of Peak Alarm aM Parameter Setting WO 0 E Parameter Select setting item Setting 3 In the Parameter Setting screen that appears point the cursor to any item you want by pressing the or key Press the ENT key T Current Time WED 15 43 key Lock OFF Remote Range OFF Output Hold OFF Reset Bu Output Reset Response Time Average Period To Maintenance Mode 0000 HV C 5 53 Model 7500 Instruction Manual 4 Teledyne Analytical Instruments 4 In the Parameter Setting screen that appears enter the numeric values and set the items Entering the numeric values or setting the items should be carried out by using the dd Select Setting UTER or key To move the cursor to the right press the key After setting press the ENT key that the parameter setting is Current Time WED carried out with the value you set Key Lock OFF Remote Range OFF Output Hold DFF To c
45. f such a material is adhering a fire or the like accident may be caused Caution on wiring CAUTION Wiring work must be performed with the main power set to OFF to prevent electric shocks Enforce construction of class D rounding wire by all means If the specified grounding construction is neglected a shock hazard or fault may be caused Wires should be the proper one meeting the ratings of this instrument If using a wire which cannot endure the ratings a fire may occur e Be sure to use a power supply of correct rating Connection of power supply of incorrect rating may cause fire Caution on use DANGER For correct handling of calibration gas or other reference gases carefully read their instruction manuals beforehand Otherwise carbon monoxide or other hazardous gases may cause an intoxication particularly CAUTION Before leaving unused for a long time or restarting after left at such a status for an extended length of time follow the directions of each instruction manual because they are different from normal starting or shutdown Otherwise the performance may be poor and accidents or injuries may be caused Do not operate the analyzer for a long time with its door left open Otherwise dust foreign matter etc may stick on internal walls thereby causing faults 4 Model 7500 Instruction Manual 87 Teledyne Analytical Instruments Caution on use PROHIBITED Do not allow metal finger or others
46. figuration of measuring unit pipe cell 63 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 2 How to remove block cell See Fig 7 2 1 For Step 1 to 4 see Item 7 3 1 1 How to remove pipe cell 5 Remove the connector to the detector output cord from the printed board For the 2 component analyzer remove the output cord connector of the 2 component analyzer detector No 13 from the printed board and then remove the 2 component detector by unscrewing two mounting screws No 14 fastening the 2 component detector 6 Unscrew the two screws No 10 that hold the detector to the infrared ray light source unit to remove the detector from the measuring unit The cell can be removed together with the detector 7 To remove the cell unscrew the two screws No 6 holding the cell to the detector The infrared transmission window is just sandwiched not fixed between the detector and block cell Keep the detector facing up when removing this window 8 For assembly reverse the disassembly procedures Note The O ring is placed between the window holder and cell Take care about the O ring position With 2 component analyzer install 2 component detector last Take care so that no space is left between the 1 component and 2 component detectors When inserting the detector output cord connector into the printed board plug the connectors for 1 component detector and 2 component detector into position The 1 component
47. hould be purged with the air for instrumentation or N2 Purging flow rate should be about 1L min If dust or mist is contained in purging gas it should be eliminated completely in advance 5 Pressure at sampling gas outlet Pressure at the sampling gas outlet should be set to atmospheric pressure 13 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 Example of sampling system configuration The system configuration may vary depending upon the nature of measured gas coexistent gases or application A typical configuration diagram is shown in Fig 3 2 Since a system configuration depends upon measured gas consult with Teledyne secondary Gas filter gt analyzer Exhaust GERA External to atmos gt D Primary filter 8 Flow installed pharic sampling matar pressure gas inlet Aspirator m ul s W Electronice 4 5 B Safety dehumidifier 9V1 drain T For the operation af the valves of SV1 to trap Drain HL oi LH SV4 use contacts for zero calibration and trap CH1 to CH3 span calibration Standard Drain gas for zero calibration Standard gas for span calibration E Standard gas for calibration List of sampling devices Solenold valve Port valve AB21 02 2 A00B Primary filter ZBBK1V03 0 amp Ball valve ZBFB1 mist filter Safety drain trap ZBH13103 a 405 mm long SV1 to SV4 for calibration qas Aspirator ZBG80 Standard gas for ZBML Jyo4 d D Electron
48. ic 28001003 calibration Codes in to be selected L d t dehumidifier depending on application B Drain trap 7BH13003 Flowmeter 255 mm long A dehumidifier must be used for a 0 to 200 ppm CO analyzer and SQ analyzer to prevent saturation at 2 C secondary filter ZBBM2W03 0 membrane filter For measurement of other gases a drain trap and dehumidifier should be installed if moisture content in gas is much or condensation may occur Fig 3 2 A typical example of sampling system 14 Model 7500 Instruction Manual 4 Teledyne Analytical Instruments 3 5 Wiring method Caution on wiring CAUTION Wiring work must be performed with the main power set to OFF to prevent electric shocks Enforce construction of class D grounding wire by all means If the specified grounding construction is neglected a shock hazard or fault may be caused Wires should be the proper one meeting the ratings of this instrument If using a wire which cannot endure the ratings a fire may occur e Be sure to use a power supply of correct rating Connection of power supply of incorrect rating may cause fire Each external terminal is provided on the rear panel of the analyzer See Fig 3 3 Wire each terminal referring to Fig 3 3 and 1 to 7 Terminal block 4 Terminal block 5 Terminal block 3 Terminal block 2 jga 2r Terminal block 1 E z more ctl sh sE F TE ya us v E Connector 2 Fig 3 3 Rear panel
49. ignals for the instrument are not isolated It is recommended to isolate signals individually to prevent interference from unnecessary signals or to prevent external interference especially leading the cable of more than 30 meters or to outdoor 3 O2 sensor input terminal block 2 1 2 Input signal External zirconia O2 analyzer Zirconia O2 sensor signal Teledyne output External O2 analyzer O to 1 VDC DC input resistor of 1MO or more It is used when the external zirconia O2 analyzer or external O2 analyzer is specified as order To connect to the output of the external Zirconia analyzer or external O2 analyzer prepared separately In case of an external O2 analyzer input a signal of O to 1 VDC with respect to O2 full scale of the analyzer In case of built in O2 analyzer do not use the terminals Note O2 sensor input is not isolated It is recommended to isolate input signal to prevent interference from unnecessary signals or to prevent external interference Zirconia O2 sensor should be installed at a location that is as close to this instrument as possible 16 Model 7500 Instruction Manual 4 Teledyne Analytical Instruments 4 Contact input DI terminal block 2 13 to 20 terminal block 3 5 to 10 It is for a contact input at no voltage An input is provided when switching to short circuit on or open off No voltage is applied to the terminals 5 Contact output DO terminal block 3 13 to 20
50. ing mode is set span calibration is performed together with 2 Ranges 3 Wait until the indication is stabilized in the state where the calibration gas is supplied After the indication has been stabilized press the ENT key Span calibration of Range selected by the cursor is performed To close Span Calibration To close the Span Calibration or cancel this mode midway press the ESC key A previous screen will return 60 02 aci atra FR NA I Cv 40 1 SPAN Cal select CH Mo with UP DOWN and ENT Back wi th ESC CH1 bRangel U 10 vol 1006 pales E el voli Pend bande Ppt O range E TD volt 1035 Range YO Range i 20 Yol EE SPAN Gal ae sf on al LEAD of selected ESC Not Arras Eos LI 0 10 m COs Range l 20 cae 0 500 d CO Range E D00ppm rangel Se wolf Range vol To Measurement screen after executing Manual Span Calibration Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 7 MAINTENANCE 7 1 Daily check 1 Zero calibration and span calibration 1 It is used for zero point adjustment For calibration refer to 6 9 1 Zero calibration 2 After zero calibration perform span calibration For calibration refer to 6 9 2 Span calibration 3 Zero calibration and span calibration should be performed once a week if required 2 Flow check 1 Sampling gas flow rate and purge gas flow rate should be as follows Sampling gas flow rate 1 0 L min 0 5
51. ious screen will return Setting range of values End of Calibration Paramagnetic O2 CO2 CO SO2 and CH4 Concentration Setting measurement Zero gas Fixed at O Span gas Minimum digit 1 to 10096 of full scale Full scale FS is the same as each range value Zirconia O2 measurement Zero gas 5 to 25 vol Span gas 0 01 to 5 vol The setting cannot be performed beyond the range 33 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 2 2 Setting of manual zero calibration If zero calibration is to be made manually select whether to calibrate all components at once or each of them separately upon selection 1 During measurement press the MODE key to display the User mode 2 Point the cursor to Setting about Calibration by pressing the UP or DOWN key Press the ENT key 3 In the Setting about Calibration screen that appears point the cursor to About ZERO Calibration by pressing the or key Press the ENT key 4 In the Manual Calibration CH Selection screen that appears point the cursor to CH you want to set by using the UP or DOWN key Press the ENT key 34 u User Mode Select an tem with UP DOWN and ENT Back with ESC Changeover of Range I4 Setting about Calibration Alarm Setting Setting of Auto Calibration setting of Auto Zero Calibration Setting of Peak Alarm Parameter setting UO C2 99 select an item with UP DOWN and ENT Back with
52. ips or other foreign objects Otherwise it may cause fire trouble or malfunction of the unit 3 1 Installation conditions To install the analyzer for optimum performance select a location that meets the following conditions 1 Use this instrument indoors 2 A vibration free place 3 A place which is clean around the analyzer 4 Power supply Rated voltage 100V to 240VAC Operating voltage 85V to 264VAC Rated frequency 50 60 Hz Power consumption 70 VA max Inlet Conformity to EN60320 class type 3 pin inlet 5 Operation conditions Ambient temperature 5 to 45 C Ambient humidity 90 RH or less no condensation 10 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 3 2 Installation of analyzer There are two methods of installing the analyzer For detailed dimensions see Chapter 9 3 Gude rail 19 inch rack mounting Nota Note The mounting method should be selected to meet the installation requirements since the top cover must be detached from the gas analyzer for maintenance and check Mounting method Slide rail No maintenance space is These methods must be rigid enough to provided at the top withstand the mass about 10 kg of the Guide rail Maintenance space is provided 985 analyzer at the top Hecommended slide rail 305A 20 Accuride International Inc 3 3 Piping Caution on piping CAUTION In piping the following precautions should be observed Wrong piping ma
53. itivity of detector Press the E key to delete the error display When more than one error occurs the error displays disappear one by one If the key is pressed without removing When more than one error occurs pressing the cause of an error the error will be the p key moves to another error display displayed again 68 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments In case of Error No 5 and No 7 TERO Gal ENT G0 on calibration of selected GH ESC Mot calibration ZERO eal error ENT Force bal ESC 5top cal and back to MEAS 202 Calibration error D auge fero gas 12 not flowing Dirt in sample cell Low sensitivity of detector Errar Mo CO CHS C2 Pressing delete the error display en Calibration is continued Unless another calibration error occurs calibration is carried out to the end the Measurement screen returns 2 Error log file If error occurs the history is saved in an error log file The error log file exists in the maintenance mode Error log screen Day of the week and time Maintenance FUT Clear Error Lag d Error Log ESE Back when an error occurred Di Component with which rror No 1d Error No 10 WED 13 53 2 the error occured Error Mo 1 WED 13 53 New Error Na I0 WED 13 58 Errors that occurred Error Ma WED 13 58 Error No IU WED 15 07 Error No WED 13 52 Old Y lest page Page 1 A Clear
54. its LCD with back light Instantaneous value of each component Instantaneous value after O2 correction only in CO SO2 measurement with O2 Average value after O2 correction only in CO SO2 measurement with O2 O2 average value Analog output signals 4 to 20mA DC or 0 to 1V DC non isolated output Analog output corresponds to measured value indication in 1 1 Permissible load 550 max for 4 to 20 mA DC100kQ min for O to 1V DC Refer to Table 6 for the channel No of displayed values and analog output signals Analog input signal For signal input from externally installed O2 sensor Signal requirement 1 Signal from Teledyne s Zirconia O2 sensor TYPE ZFK7 2 0 to 1V DC from an O2 sensor Input section is not isolated This feature is effective when an O2 sensor is not built in 70 44 Teledyne Analytical Instruments Relay contact output 1a contact 250V AC 2A resistive load Instrument error calibration error range discrimination auto calibration status solenoid valve drive for auto calibration pump ON OFF 1c contact 250V AC 2A resistive load Upper lower alarm contact output Peak count alarm contact output All relay contacts are isolated mutually and from the internal circuit Contact input Non voltage contact ON OV OFF 5V DC 5mA flowing at ON Remote range changeover auto calibration remote start remote holding average value resetting Isolated from the internal ci
55. k that the analyzer is correctly wired as specified 4 2 Warm up operation and regular operation 1 Operation procedure 1 Turn ON the power switch at the left of the front panel In one or two seconds the measurement screen will appear at the front panel 2 About 2 hour warm up operation About 2 hours are needed until the operating performance is stabilized Warm up operation should be continued with the power ON 3 Setting of various set values Set required set values according to Chapter 6 Setting and calibration 4 Zero and span calibration Perform zero calibration and span calibration after warm up operation See Chapter 6 9 Calibration 5 Introduction and measurement of measured gas Start measurement by introducing measured gas into the analyzer Note While in warm up operation the concentration reading may be beyond the upper limit of the range range over or below the lower limit But this is not an error 24 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 5 DISPLAY AND OPERATION PANEL This section describes the display and operation panel of the gas analyzer It also explains the name and description of function on the operation panel See Fig 5 1 Display Power switch Switch for E back light Msi EM S Controls 5 1 Name and description of operation panel Display The measurement screen and the setting items are displayed Controls The configurati
56. key Press the ENT key 36 Y Gea User Mode Select an item with UP DOWN and ENT Back with Est Changeover of Range l4 Setting about Calibration Alarm Setting setting of Auto Calibration Setting of duto Zero Calibration setting of Peak Alarm Parameter Setting A 0 C0 90 Lal Settings Select an i tem with UP DOWN and ENT Back with ESG Calibration Value About ERO Calibration 3 About Calibration Range Auto Calibration Componente IL 0 C 61 Cal Settings Select Gh No Cal Kange NCHI Rangel O 10 vol ange ppm EMT Rangel 0 10 vol Range l 25 vol Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 5 In the Calibration Selection screen that appears select Both or Current by pressing the UP or DOWN key When selecting both Range 1 and Range 2 of the set CH are calibrated together When selecting Current the range alone displayed at the set CH is calibrated To close Setting of Calibration Range To close Setting of Calibration Range or to cancel this mode midway press the ESC key A previous screen will return EXAMPLE CH1 Range 1 0 to 10 vol CO2 Range 2 0 to 20 vol CH2 Range 1 0 to 500 ppm CO Range 2 0 to 2000 ppm set calibration range Cal Settings current or both range Cal Range Rangel M 10 voli CO2 Ranger U 2U voli CH Rangel 0 500 ppm eae a an angel 0 10 vo Lb C 9 m
57. l zero calibration ccoooccncconnnnconcnnnonnononannnonnnenos 34 6 2 3 Setting of calibration range ooooncccccoccccnncconnnonnonononononononnnnnnncnnnnnanennnos 36 6 2 4 Setting of auto calibration component ccoocccccnccnccnnconcnnnnncnnncnononcnnnnnoos 38 6 9 Ala mM SCI ao 40 6 3 1 Setting of alarm values ccoonccccconnncconcocononononanononononononcncnnnnnconanenononos 40 03 2 Hysteresis SOUING isc reas 42 64 Selling Ol auloCaliIDIrallon rita 43 6 4 1 AUTO Call ation ii id 43 6 4 2 Forced stop of auto calibration oocccoccnconcnccccnccnnnncnnncconncnoncnnos 45 6 5 Setting of auto zero calibration ccccccecccsceseeeeccceeceessceeeeeeccsseeessceseeessoueeeenes 47 6 5 1 Auto zero calibration lessen 47 6 5 2 Forced stop of auto zero calibration eeeeseeeseeee 49 6 6 Peak alar Seta cuia asus ciu ve ei a aan oar sea wee Qo dud RE 51 6 7 Parameter SEMI m 53 6 Model 7500 Instruction Manual 7 Teledyne Analytical Instruments 6 0 Maintenance MOE uti tice aa T acp eRI E e a eee a eee 57 6 9 Calibl Allo nte na 59 6 9 1 Z CLO CAMION alto 59 692 SPAN cala ON ina 60 TSMAINTENANGE issues dto dao 61 A Rer dem 61 7 2 Daily check and maintenance procedures sssuuuuuss 61 7 3 Cleaning of measuring cell erorri E 62 7 3 1 Disassembly and assembly of measuring cell 62 7 3
58. le range 2ranges of 2 and 2 5 times each range available Table 5 Triple component analyzer CO2 CO CH4 Covered in combination of Table 2 Table 3 and Table 4 Table 6 Oz analyzer Built in analyzer measurable range External zirconia type Oz analyzer measurable range Os analyzer is selectable indifferently to combination with other components External zirconia type analyzer is assumed to be Fuji s type ZFK ff R Oto 50 Oto 100 OOO l Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 9 3 Outline diagram 1 Main unit Upper M4 for slide rail Power ewitch SW for back light Front Purge qas inlet Reta or NPT i4 sample qas outlet Reti or NPT 1 4 sample qas inlet Rets or NPT14 Hear Terminal Terminal Terminal Power inlet block 1 block 3 block 5 3f Terminal Termin Rubber boss for installing on a table or the like block 2 block 4 78 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 2 Accessory slide rail unit mm The slide rails are attached to this equipment when designated Model 305A 20 Accuride International Inc Cabinet member 1 52 The same or less Intermediate member Drawer member 1 27t 35 340 3 24 4 k nas 365 1 0 3 505 0 0 8 Reinforcement plate 19 inch rack mounting method The mass of the instrument should be supported at the bottom of the uni
59. lose Parameter Setting screen Reset Bu utbs Reset Response Time To close the Parameter Setting screen or cancel this mode Average Period midway press the ESC key A previous screen will return To Maintenance Mode 0000 Setting Range 1 C a 9 en Response time 1 to 60 sec Initial value 3 sec Average time 1 to 59 min or 1 to 4 hours Initial value 1 hour When setting the unit of 1 to 59 minutes in terms of minute or 1 to 4 hours with hour e Maintenance mode 0000 to 9999 Initial value 0000 Remote Range A range can be switched via an external input by setting the Remote Range to ON The switching action affects all of instantaneous value O2 correction value O2 correction average value and O2 average value If the Remote Range is set to OFF the external input becomes invalid Opening the input gives the High range or short circuiting the input gives the Low range For the terminal input refer to 3 4 Wiring owitching the range cannot be performed by on screen operation when the REMOTE RANGE is set to ON Note In case of 1 range system this function is overridden Output Hold By setting an output hold to ON an output signal of each channel are held during the calibration manual calibration and auto calibration and for the gas flow time refer to 6 4 Setting of Auto Calibration Regardless of Hold ON OFF setting an output signal can be held via an external input 1 Manual calibration or P
60. mpling device especially the filter to prevent the cell from being contaminated by dust or mist 7 3 1 Disassembly and assembly of measuring cell There are two kinds of measuring cells on block cells cell length 4 mm 8 mm 16 mm 32 mm and pipe cells Cell length 6 4 mm 125 mm and 250 mm 2 component analyzer may incorporate both measuring cells in optical unit In such a case detach the pipe cell and then block cell See Fig 7 1 1 How to remove pipe cell See Fig 7 1 1 Stop measured gas If it is harmful purge in the measuring cell thoroughly with zero gas 2 Turn OFF the power switch 3 Detach the top cover 4 Remove the pipe connected to the measuring cell 5 Slide the infrared ray light source unit No 5 toward the front panel by loosening the screw No 1 fastened to the base plate to provide clearance between the pipe cell No 12 and light source unit 6 Loosen and remove a screw No 7 from the cell retainer No 11 fastening the pipe cell 7 Remove the cell from the measuring unit and unscrew the infrared transmission window No 14 at the both ends in the right direction Note The reflection plate in the cell is not closely attached to the cell 8 For assembly reverse the disassembly procedure Provide 0 5 mm clearance between the infrared ray light source unit and cell and the cell and detector respectively 62 Model 7500 Instruction Manual 4 Teledyne Analytical Instruments Fig 7 1 Con
61. n short circuited Between 7 8 Average value reset input Short circuiting the contact input for at 1 5 sec or more resets O2 average and O2 correction average simultaneously Opening it restarts the average value Between 9 10 Automatic calibration remote start input Open input after strapping for at least 1 5 seconds starts the automatic calibration whether automatic calibration setting is ON or OFF Between 11 12 Conductive when analyzer unit error is producted Normally open Between 13 14 CH4 range identification signal Between 15 16 CH3 range identification signal Between 17 18 CH2 range identification signal Between 19 20 CH1 range identification signal Note Range identification signal is conductive at Low range or open at High range In case of 1 range system the signal remains open 20 Average value reset EL m 17 Terminal block 3 3 gt Unused Em 11 Instrument error Do Unused E yn 13 CH4 range identification L l signal output DO Remote hold input rE 15 4 CH3 range identification J signal output DO 7 CH range identification signal output DO input DI Ll s 18 gel let el Fr 3 19 7 CH range identification input DI L p signal output DO W3 5 screw Model 7500 Instruction Manual 44 Teledyne Analytical Instruments Terminal block 4 lt TN4 gt Between 1 2 CH4 span calibration contact output Between 3
62. nae U SU0 ppm ps Ea Prangel l Wo Range 5 vol LE I 0 9 Select CH Mo with UP DOWN and ENT Back with ESC CH1 Ranae 0 10 vola 1006 TER S ail Rangel U ppm repris ange 0 10 vo Range I 25 vol ee TEN ees NNI LLL Y E ENT Go0 on calibration of selected CH ESC Mot calibration CH1 KRanae 0 10 vol 0001 Range 20 vols ZERO Cal ZERO Cal GH pRangel 0 300 ppm UUUS ORS Sethe er oe ange vo y To Measurement screen after executing Manual Zero Calibration Model 7500 Instruction Manual 44 Teledyne Analytical Instruments LL Ga SPAN Cal Select CH Mo with rae and ENT Back with LES KkRanael l n ua 10 06 ES 6 9 2 Span calibration It is used to perform a span point adjustment Supply calibration gas with concentration set to the span value to perform the span calibration For the span calibration gas for the SO2 CO2 CO H4 measurement use the standard gas with a concentration of 9096 or more of the range value For the calibration gas for the O2 measurement use the standard gas of about 2 vol96 1 Press the SPAN key on the Measurement screen to display the Manual Span Calibration screen 2 Press the UP or DOWN key to select CH component to be calibrated After selection press the ENT key and the span calibration contact output on corresponding to CH is turned ON And supply span gas CAUTION When Range Interlock from Calibration Range of the Calibration Sett
63. nent 5 In the Range Setting screen that appears move the cursor by pressing the UP or DOWN key to select the range The range with a TRIANGLE mark is currently selected 6 After selection press the ENT key 7 Measurement is conducted within the selected range The range identification signal CO is shorted with the low range Range 1 and open with the high range Range 2 Note If the Remote Range is set to ON the changeover of range cannot be performed on the screen To close Changeover of range To close Changeover of range or cancel the command midway press the ESC key A previous screen will return 31 User Mode pe Sor a an i tem 2 Changeover of Range Setting about Calibration Alarm Setting Setting of Suto Calibration Setting of Auta Zero Calibration setting of Peak Alarm Parameter Setting aed No with UP DOWN and ENT Back with ESC Range U lU vols Range U 70 vol b Rangel 0 500 prn Range 0 20 0 Range 0 10 vol Range 298 vols Range Change Select range T Range D 10 vols CEL Ca Range 0 20 wol ange ppm saa or et ande U7 Vo CHS O2 Range 9 wols LOOGA End of Range Selection Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 2 Calibration setting This mode is used to set calibration concentration and actions The calibration setting involves calibration concentration zero calibration calibration rang
64. ng screen configuration shown as an example is for CO2 CO O2 Output at channel 6 When channel 5 or later is displayed scroll up or down key to view another configuration which is beyond the screen No Component Displays component Peak alarm Displays peak alarm display of instantaneous component component value converted display instantaneous value converted average value etc Concentration Displays measured dl Peak alarm Displays peak alarm display value of concentration concentration concentration Upper display limit value Range display Displays range values 4 Unit display Displays unit with ppm and vol Peak alarm count Displays the alarm times exceeding the peak value Peak alarm unit Displays unit of peak display alarm with times h Fig 5 3 Name and function of measurement mode screen Instantaneous value and concentration value The concentration display of CH component where sampling components such as CO2 CO or O2 are displayed in the component display indicates current concentration values of the measured components contained in gas that is now under measurement O2 correction concentration values CH components where cv is displayed as cv CO in the component display are calculated from the following equation by setting sampling components O2 instantaneous concentration values and O2 correction reference value see item 6 8 HET I34 Os
65. o access This instruction manual should be delivered to the end user without fail Delivered Items Analyzer main frame 1 Power cable 1 Fuse 2 Rating 1 A Instruction manual 1 Side rail 2 Option lt is prohibited to transfer part or all of this manual without Teledyne s permission e Description in this manual is subject to change without prior notice for further improvement 2 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments SAFETY PRECAUTIONS Please read this section carefully to ensure using the analyzer in the correct way The cautionary descriptions listed here contain important information about safety so they should always be observed Those safety precautions are ranked in 3 levels DANGER CAUTION and PROHIBITED DANGER Wrong handling may cause a dangerous situation in which there is a risk of death or heavy injury CAUTION Wrong handling may invite a dangerous situation in which there is a possibility of medium level trouble or slight injury or only physical damage is predictable PROHIBITED Items which must not be done are noted Caution on installation and transport of gas Caution on installation and transport of gas analyzer o DANGER This unit is not explosion proof type Do not use it in a place with explosive gases to prevent explosion fire or other serious accidents CAUTION For installation observe the rule on it given in the instru
66. ode symbols should be specified 2 Range combination should be the one allowed in separate tables note 1 note 2 the 6th digit note 3 note 4 note 5 note 6 note 7 Y should be specified when only O2 measurement is necessary External O2 sensor signal should be 0 1VDC linear of full scale when B is specified at C should be specified when Y is specified at the 5th digit Allowable combinations of ranges are specified in the Table 1 to 6 in page 9 7 and 9 8 Allowed only for CO analyzer Allowed only for CO and CO2 analyzers O2 correction is carried out for CO and SO2 At the same time average value output after O2 correction and O2 average value output are added Peak count alarm is carried out for CO note 8 Y should be specified when without O2 measurement when 6th digit is Y note 9 A gas composition table should be issued note 10 Rated voltage of supplied power cable and plug configuration differ when E and U are specified at the 10th digit Select one from three power voltages Plug configuration is North America type when specifying E and European type when specifying U 75 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments Measurable component and range availability check table Table 1 Single component analyzer COs CO CHa or SOz Buwus E m WU H 2 X w w Ww M wm Ist range Oto 100 chime io
67. of auto calibration set the ON OFF to OFF 1 During measurement press the MODE key to display the User mode 2 Point the cursor to Setting of Auto Calibration by pressing the or key Press the ENT key 3 In the Setting of Auto Calibration screen that appears point the cursor to any item you want by pressing the UP or DOWN key Press the ENT key 4 In the Auto Calibration Parameter Setting screen that appears perform the value entry or the setting For the value entry or setting change use the UP or DOWN key For the value entry and setting use the UP or DOWN key To change the setting use the RIGHT key to move the cursor to the right After setting press the ENT key and auto calibration is carried out by the entered setting value Description of setting items Start Time Setting at the first calibration day of the week hour minute Cycle A period between the start time of one calibration and another unit hour day Flow Time The time required for the calibration gas to be replaced in the cell ON OFF Auto zero calibration ON or OFF To close Setting of Auto calibration To close the Setting of Auto calibration or cancel this mode midway press the ESC key A previous screen will return 43 Alarm setting Y Gee m Changeover of Range Setting about Calibration Select an item with UP DOWN and ENT Back with ESC 4 Setting of Auto Calibration Setting of Auto Ze
68. on is as shown below UP key ESCAPE key MODE key e ZERO key a p y E PAA 4 4 i gt SIDE key SPAN key 1 t DOWN key Ver Sos amp ENTRY key Name Description Name Description 1 MODE key Used to switch the mode 5 ESC key Used to return to a previous screen or cancel the setting midway 2 SIDE key Used to change the selected 6 ENT key Used for confirmation of selected item by moving the cursor and items or values and for execution numeral digit of calibration 3 UP key Used to change the selected 7 ZERO key Used for zero calibration item by moving the cursor and to increase numeral value 4 DOWN key Used to change the selected 8 SPAN key Used for span calibration item by moving the cursor and to decrease numeral value Fig 5 1 Name and description of operation display and panel Note The switch for back light is used for turning ON OFF the back light of display The life time of back light is 50 000 hours Please turn OFF the switch when indicator is not necessary so the life time will be longer 25 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 5 2 Overview of display and operation panel 1 The screen configuration depends upon the display channel When channel 5 or later is displayed on the screen scroll the screen by using the LIP v or DOWN a key Measurement mode ZERO Calibration SPAN Calibration Selection of i
69. on window first clear large dirt of it with a soft brush and then wipe with soft cloth lightly Don t use hard cloth Note Handle the fragile window with care Use care not to rub off the dirt from the window roughly 2 If the window or the cell interior is very dirty use a soft cloth moistened with absolute alcohol 3 If the window is corroded rub off the scale from the window lightly with a soft cloth to which chrome oxide powder is applied If it is excessively corroded it should be replaced with new one 4 When cell or window cleaning is completed assemble according to the cell disassembly and assembly procedures Especially the pipe should be closely connected without gas leak and repair if the pipe is bent 67 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 8 TROUBLESHOOTING 8 1 Error message If errors occur the following contents are displayed Error display Probable causes Error No 1 Sector motor rotation detector signal is faulty Infrared ray light source is faulty e Sector motor rotation is faulty or stopped Motor rotation detector circuit is faulty Amplifier circuit is faulty A D conversion signal is faulty Circuit is faulty Error No 4 Zero calibration is not within the allowable Zero gas is not supplied range e Zero point is deflected much due to a dirty cell Error No 5 A amount of zero calibration indication value is Detector is faulty over 50 of full scale
70. ration Measurement mode The measurement mode can be displayed for up to 5 channels in a single screen When viewing a Channel beyond the 5 channels press the or key and the screen can be scrolled one by one channel at a time See 6 9 1 Zero calibration See 6 9 2 Span calibration User mode displays the following settings ear Made Ae with UP DOWN and ENT Changeover of range Back with ESC C4 Changeover of Range Calibration settin 9 Setting about Calibration Alarm setting Alarm Setting Setting of Auto Calibration Setting of auto calibration Setting of Auto Zero Calibration Setting of Peak Alarm Setting of auto zero calibration Parameter Setting Peak alarm setting sc 4T y For settings refer to 6 Setting and Calibration 30 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 SETTING AND CALIBRATION 6 1 Changeover of range This mode is used to select the ranges of measured components 1 During measurement press the MODE key to display the User mode 2 Point the cursor to Changeover of Range Press the ENT key 3 The Channel Selection screen appears Press the UP or DOWN key until the cursor moved selects a desired CH component 4 After selection press the ENT key Note The range of O2 correction instantaneous values and O2 correction average values is automatically switched by changing the range of instantaneous value of each CH compo
71. rcuit with a photocoupler Contact inputs are not isolated from one another Only M3 5 screw terminals are used for all signal inputs and outputs Power supply Rated voltage 100V to 240V AC Operating voltage 85V to 264V AC Rated frequency 50 60 Hz Power consumption 70 VA max Power inlet Conformity to EN60320 Class type Operation conditions Ambient temperature Ambient humidity 5 C to 45 C 90 RH max Storage conditions Ambient temperature Ambient humidity 20 C to 60 C 100 RH max noncondensing Dimensions H x W x D 19 inch rack mounting type Desk top type 177 x 483 x 498mm 194 x 483 x 498mm Mass Approx 10 kg Finish color Front panel Off white Munsell 10Y7 5 0 5 or equivalent Casing Steel blue Enclosure Steel casing for indoor use Material of gas contacting parts Gas inlet outlet SUS304 Sample cell SUS304 neoprene rubber Infrared ray transmitting window CaF2 Internal tubing Toaron tube Gas inlet outlet Rc1 4 or NPT 1 4 internal thread Purge gas flow rate 1 L min when required Model 7500 Instruction Manual 2 Standard functions Output signal holding Output signals are held during manual and auto calibrations by activation of holding turning on its setting The values to be held are the ones just before start calibration mode Indication values will not be held Remote output holding Output signal is held at the latest value by short circui
72. reset upper or lower limit alarm value is reached Contacts close when the instantaneous value of each component becomes larger than the upper alarm limit value or smaller than the lower alarm limit value Instrument error contact output Contacts close at occurrence of analyzer error No 1 3 or 10 Calibration error contact output Contacts close at occurrence of manual or auto calibration error any of errors No 4 to 9 Auto calibration status contact outputs Contacts close during auto calibration Pump ON OFF contact output During measurement this contact close While calibration gas is flowing this contact open This contact is connected in power supply of pump and stop the sample gas while calibration gas flowing 3 Optional functions O2 correction Conversion of measured CO and SO2 gas concentrations into values at standard O2 concentration 21 On x Cs 21 Os Correction formula C C Sample gas concentration after O2 correction Model 7500 Instruction Manual CS measured concentration of sample gas Os Measured O2 concentration On Standard O2 concentration value changeable by setting The upper limit value of the fractional part in this calculation is 4 The result of calculation is indicated and output in an analog output signal Average value after O2 correction and O2 average value calculation The result of O2 correction or instantaneous O2 value can be output as an average value in the de
73. ress the on Kay to flow qas Ow To execute calibration press the Calibration Hold extending Output hold time Time set to gas flow time See 6 4 Auto Calibration 54 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 2 Auto calibration Auto calibration start Auto calibration end Calibration Hold extending time ry f f oe Output hold A Min uas Time hold set to the gas flow time 3 External hold strapped Remote hold Open Output hold jo Lo 4 Screen display during holding The Holding message blinks on the measuring screen Since the screen displays the process of calibration is displayed during the manual calibration Holding is not displayed even if the screen is held but the screen is displayed with the hold extending time 5 If calibration is cancelled after the calibration gas is supplied regardless of during manual calibration or auto calibration an output hold of the holding extending time will be performed Average value reset This mode is used to clear O2 correction average value and O2 average value and restarts averaging All average values are reset at a time The indication value and output value is O ppm vol or so at the time of the reset input Short circuit hold at least 1 5 sac Reset input Open So long as short circuited resetting lasts At the edge of changing from short circuit to opening the tar Ser BH Na average action rest
74. ro Calibration Setting of Peak Alarm Parameter Setting Lb 0 Er uu 1 Start Time Cycle Flom Time ON OFF WED 11 30 0T day IB sec ON Time WED 15 40 thy C0 99 mE Start Time Cycle Flow Time ON OFF May 11 30 0T day JB sec ON Time WED 15 41 LADA Ga End of Auto Calibration Setting Model 7500 Instruction Manual 44 Teledyne Analytical Instruments Auto calibration status contact output is closed during auto calibration and is open in other cases Example Start time SUN 12 00 Cycle 1 day E time 350 TS ON OFF ON La d In case where auto calibration is carried out at the above setting sunday Monday Tuesday 12 00 12 00 12 00 cle E Auto calibration Fero CH1 calibration Span calibration calibration Flow time An example of CH 1 through CH3 enable as given in Item 6 2 4 Auto Calibration Components Setting range Cycle 1 to 99 hours or 1 to 40 days initial value 7 days Flow time 60 to 599 sec initial value 300sec CAUTION When an auto calibration starts the measurement screen automatically appears Any operation other than forced stop of auto calibration see Item 6 4 2 is not permitted during auto calibration Auto Calibration Cancel cannot be performed with the key lock to ON To cancel auto calibration forcedly set the key lock to OFF and then execute Auto Calibration Cancel Remote start Whether the
75. s is over the set times per hour a peak count alarm becomes closed ON If it is less than the set times per hour it is open OFF Since 5 times of peaks hour is marked at 1 section from the above graph the peak count alarm is turned ON Since peaks of more than 5 times per 1 hour occur at the interval between 1 and 2 the peak count alarm remains ON Since peaks are reduced to 4 times per hour it is turned OFF Like the hysteresis of the alarm setting the hysteresis prevents possible chattering when measured gas is fluctuated near the alarm value For 10 minutes after the power is turned ON a peak alarm counting is not carried out Releasing peak alarm To release the peak alarm set the peak alarm to OFF Turning on the peak alarm initiates counting from 0 52 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 7 Parameter setting It allows you to carry out the parameter setting such as time key lock etc as required Items to be set are as follows Description of setting items Current Time Sets the current day of the week hour and time Key Lock Sets with ON OFF so that any key operation except the key lock OFF cannot be performed Remote Range Sets with ON OFF whether the Range Selection is made valid or invalid by external input Output Hold Sets whether Calibration Output is held or not Average Value Reset Resets the average value Response Speed Sets the response time of
76. screen that appears select any concentration item you want to set by pressing the UP DOWN and RIGHT key Cal Settings Select setting value Cal Value Note Analyzers other than the zirconia O2 instrument cannot perform zero setting MES ZERO SPAN CHI 000 004 010 0 COZ F men O00 UU 020 00 6 In the Calibration Concentration Value Setting CHo Ti stiloom 0000 07 0500 10 screen that appears enter calibration gas concentration CO U 2000 ppm HOOUO 02000 Hu 10vo 15 00 00 10 00 values zero and span For value entry press the UP or as 25voT1 00 007 5 00 DOWN key and a 1 digit value increases or decreases ESPA T By pressing the RIGHT key the digit moves AS Ar ME Co O O After setting save the entry by pressing the ENT key The saved value becomes valid from the next calibration Curr process setting value it v A enn Note Enter the set values corresponding to each range Cal Setting get calibration value When the O2 measurement uses atmospheric air for the bal Value lin a zero gas set the concentration value to 21 00 When RANGE ERC SPAN the cylinder air is used set to the concentration value as CH1 0 i0vol 000 001 UMC 00 indi U 2Dvo 153 LL x 020 00 indicated on the cylinder Sien T 000 0 05000 U 20U0 ppm NT 02000 Ge M 000 200 To close the setting To close the calibration concentration value setting process or cancel this mode midway press the ESC key A prev
77. span of CHs components which were set to enable is calibrated in the ascending order of CH number Example 1 In case all of CH1 CO2 CH2 CO CH3 O2 were set to enable Zero calibration at once of CH1 to CH3 span calibration of CH1 CO2 gt span calibration of CH2 CO span calibration of CH3 O2 Example 2 In case out of CH1 CO2 CH2 CO and CH3 O2 CH1 CO2 was set to enable CH2 CO was set to enable an CH3 O2 was set to disable Zero calibration at once of CH1 and 2 span calibration of CH1 CO2 gt span calibration of CH2 CO CAUTION The components which were set to enable is calibrated to zero at once at the time of auto calibration regardless of setting in 6 2 2 Setting of manual zero calibration 39 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 3 Alarm setting 6 3 1 Setting of alarm values This mode is used to set the upper and lower limit value to provide an alarm output during measurement Before changing the alarm setting set the ON OFF to OFF 1 During measurement press the MODE key to display the User mode 2 Point the cursor to Alarm Setting by pressing the UP or DOWN key Press the ENT key 3 After the alarm setting CH selection screen has appeared operate the UP or DOWN key until the cursor is aligned with a desired CH and press the ENT key 4 After the alarm item selection screen has appeared operate the or key
78. t or the side of the unit when mounted with the slide rails Also for facilitate maintenance a structure which allows extraction of the main unit by using the slide rail is recommended Slide rail mounted type Guide rail mounted type Rack size Rack size or 100 450 or mara 450 or more Mounting diagram Mounting diagram Slide rails Guide rails Guide rails For the guide rail mounted type a maintenance apace 200mm or more should be provided on the main unit 79 Model 7500 Instruction Manual 7 Teledyne Analytical Instruments Appendix Drawing List D79104 Outline diagram 80 Model 7500 Instruction Manual
79. t the cursor to Hysteresis by pressing the UP or DOWN key Press the ENT key 2 In the Hysteresis Value Setting screen that appears enter hysteresis values For the value entry 1 digit value is increased or decreased by pressing the UP or DOWN key and pressing the RIGHT key moves the digit After setting press the ENT key to carry out hysteresis Alarm Setting Select CH Mo or Hysteresis setting GH I COz GHA CO CHS Oz To close Hysteresis Setting To close the Hysteresis Setting or cancel the mode La Hysteresis UU Fs midway press the ESC key A previous screen will return y m 2 Alarm Setting Set Hysteresis Setting range to 204FS available O to 209 of full scale A full scale means each range provides a full scale of width Caution The hysteresis is common to all CHs components Hysteresis WO ES LO 0 Hysteresis If hysteresis values exceed the upper limit value as shown in graph an alarm output is provided Once the alarm output is turned ON it remains ON until the value falls below the set lower limit of the hysteresis indication Upper limit value Hysteresis width p OM conductive MEND OFF open 42 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 6 4 Setting of auto calibration 6 4 1 Auto calibration Auto calibration is automatically carried out when zero calibration and span calibration are set Before changing the setting
80. tems Calibration concentration Zero calibration Calibration range Auto calibration component Selection of items Start time Cycle User mode Flow time T hangegeer ot Range Auto calibration ON OFF 2 Setting about Calibration orir acta calibration 3 Alarm Setting ia et 4 Setting of Auto Calibration s Salling of Auto 5 Auto zero calibration Calibration 6 Setting of Peak Alarm 7 Parameter Setting Selection of items Auto zero Start time calibration Cycle 2 Peak alarm is displayed AAA Flow time only when specified as an i Setting of ON OFF option 1 Peak Alarm Auto zero calibration stop ees m iege mns ms emu m m rm mm in ma ms n m er m Su vm Eam n E m ata im se m tm m m mimi a aa ae Parameter Setting Selection of items Peak alarm ON OFF Peak concentration Peak count Hysteresis l Selection of items Time Current time setting Key lock Key lock ON OFF Remote range Remote range ON OFF Hold ON OFF Average value reset Average value resetting Response speed Response time filter Average time Average time setting Maintenance mode Maintenance mode entry of password Figure 5 2 26 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments 5 3 Overview of display screen 1 Measurement mode screen On turning on the power switch the Measurement Mode screen will appear The measurement screen depends on the number of components The followi
81. termined period of time Used for averaging is the moving average method in which sampling is carried out at intervals of 30 seconds Output is updated every 30 seconds It is the average value in the determined period of time just before the latest updating Averaging time is settable within 1 to 59 minutes in increments of 1 minute or 1 to 4 hours in increments of 1 hour Average value resetting The above mentioned output of average value is started from the initial state by applying a non voltage rectangular wave to the average value resetting input terminals opened after short circuiting for 1 5 seconds or longer Output is reset by short circuiting and restarted by opening CO concentration peak count alarm added only for CO O2 measurement Alarm output turns on according to the preset concentration and count Whenever the instantaneous value of CO exceeds the preset concentration value count increments If the count exceeds the preset value in one hour the alarm contacts close Communication function RS 232C 9pins D sub Half duplex bit serial Start stop synchronization ModbusTM protocol Contents Read Write parameters Read measurement concentration and instrument status Remark When connecting via RS 485 interface an RS 232C RS 485 converter should be used 4 Applicable standards Product safety EN61010 1 2001 EMC EN61326 1 1997 A1 1998 A2 2001 5 Performance Repeatability 0 5 of full
82. ting the remote output holding input terminals Holding is maintained while the terminals are short circuited Indication values will not be held Remote range changeover Measuring range can be changed according to an external signal when remote range changeover input is received Changeover is effective only when remote range setting is turned on In this case measuring range cannot be changed manually When the contact input terminals for each component are short circuited the first range is selected and it is changed over to the second range when the terminals are open Range identification signal The present measuring range is identified by a contact signal The contact output terminals for each component are short circuited when the first range is selected and when the second range is selected the terminals are open Auto calibration Auto calibration is carried out periodically at the preset cycle When a standard gas cylinder for calibration and a solenoid valve for opening closing the gas flow line are prepared externally by the customer calibration will be carried out with the solenoid valve drive contacts for zero Calibration and each span calibration turned on off sequentially at the set auto calibration timing Auto calibration cycle setting Auto calibration cycle is set Setting is variable within 1 to 99 hours in increments of 1 hour or 1 to 40 days in increments of 1 day Gas flow time setting Th
83. tween 3 12 Between 13 14 Between 15 16 Between 17 18 Between 19 20 For O2 sensor input Input for our Zirconia oxygen sensor or external O2 sensor Must not be used unless O2 meter is added For internal connection Must not be wired Must not be used as junction terminal CH4 remote range changeover input CH3 remote range changeover input CH2 remote range changeover input CH1 remote range changeover input Note High range is selected when open Low range is selected when short circuited For details of action refer to 6 7 Parameters Setting Remote Range 19 44 Teledyne Analytical Instruments Terminal block 1 gt CHS ja ED al E Unused CH4 pees cee Unused p Em CH3 output EN 15 CH8 output AD ER 16 H AQ CH2 output 17 CH output AO EJ 18 LAG CH1 output 3 19 CH6 output AQ 113 5 screw Terminal block 2 us O2 sensor input St ERE Unused CH4 remote range DURAN input iDn 15 CH3 remote range Unused tre a changeover input iD CH remote range 1 changeover input tip Dh 1 CH1 remote range Unused is a it ver input iD 143 5 screw Model 7500 Instruction Manual 44 Teledyne Analytical Instruments Terminal block 3 lt TN3 gt Between 1 4 For internal connection Must not be wired Must not be used as junction terminal Between 5 6 Remote hold input No hold when open Output hold whe
84. until the cursor is aligned with a desired item and press the ENT key CAUTION Set the values so that upper limit value gt lower limit value and that upper limit value lower limit value gt hysteresis error The alarm is activated in each range independently from the settings of each range 40 MAT User Mode Select an item with UPZDOWN and ENT Back with ESC Changeover of Range setting about Gal ibration 4 Alarm Setting setting of Auto Gali bration setting af Auto Zero Calibration setting af Peak Alarm Parameter Setting LO w amp Alarm Setting Select CH Mo or Hysteresis setting 4 7H Coe GHP CO CHS Oz Y en Alarm setting select an tem CHL COz with UP OUWA and ENT Back with ESC 1 Upper Ranae 1 10 00 vol Range 2 10 00 vol Lower Range 1 DO 00 vols Range 2 DU 00 vali Kind of Alarm Upper ON OFF FF LL C0 m Model 7500 Instruction Manual 4 Teledyne Analytical Instruments After setting the alarm setting is now completed by pressing the ENT key Cursor for setting value To close the Alarm Setting S set value To close the Alarm Setting or to cancel this mode midway press the ESC key A previous screen will return P Upper Range 1 MUDO vol Range 2 10 00 voli 00 00 voli Range 2 DO 00 vols Kind of Alarm Upper ON OFF OFF Setting range i i O to 100 FS Settable in each range ower Range o WM G Description of setting items
85. y cause gas leakage If the leaking gas contains a toxic component there is a risk of serious accident being induced Also if combustible gas is contained there is a danger of explosion fire or the like occurring Connect pipes correctly referring to the instruction manual e Exhaust should be led outdoors so that it will not remain in the locker and installation room Exhaust from the analyzer should be relieved in the atmospheric air in order that an unnecessary pressure will not be applied to the analyzer Otherwise any pipe in the analyzer may be disconnected to cause gas leakage For piping use a pipe and a pressure reducing valve to which oil and grease are not adhering If such a material is adhering a fire or the like accident may be caused 11 Model 7500 Instruction Manual 44 Teledyne Analytical Instruments Observe the following when connecting the gas pipes The pipes should be connected to the gas inlet and outlet at the rear panel of the analyzer respectively Connect the sampling system to the instrument by using corrosion resistant tube such as Teflon stainless steel or polyethylene In case where there is no danger of corrosion don t use rubber or soft vinyl tube Analyzer indication may become inaccurate due to the adsorption of gases Piping connections are Rc1 4 NPT1 4 female threaded Cut the pipe as short as possible for quick response Pipe of 6 4mm inside diameter is recommendable

Teledyne Outdoor Gas Burner Infrared Gas Analyzer User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents