1090 User Manual - Time Electronics
Contents
1. eeeeeeeeeeeeeeeeeeeee nennen nnn 13 4 2 Display a dd 13 4 3 Front Panel Keypad and Connections esee 13 CE MEE II 13 b SpeciflCatioliss eid e e VR EREMO REFUND REED REN EXER RR HERREN SPARE RE EROR d 14 6 1090 Calibration Procede 18 T Guarantee amp Servicing usse odi nn RR erario andanada ENSE XR YEN donas 20 All Time Electronics instruments are subject to continuous development and improvement and in consequence may incorporate minor detail changes from the information contained herein 1090 Technical Manual Page 2 1 General The 1090 is a high performance instrument designed for use in both the lab and field It simulates and can measure from the most commonly used temperature sensors thermocouples 8 types and PT100 In addition it can generate and measure mV and mA Display is via a large easy to read 16 character LCD screen The user interface is simple and intuitive Increment and Decrement Inching keys enable the output to be stepped up or down in 0 1 1 or 10 C steps and 0 1 1 or 10 uV mV mA This feature is especially useful for calibrating thermostat type controllers with hysteresis Automatic or manual cold junction compensation can be selected and applied Up to 10 frequently used output values can be stored in the non volatile memory These can be re called at any time and stepped through either manually or automatically The 1090 is supplied in2. Time Electronics 1090 Temperature Calibrator Technical Manual V1 2 07 01 11 Time Electronics Ltd Botany Industrial Estate Tonbridge Kent TN9 1RH Tel 44 0 1732 355993 Fax 44 0 1732 770312 Email mail TimeElectronics co uk Web Site www TimeElectronics com Contents e GEN A NR 3 Front Panel Controls net A M pRXN I RII e Ee R 4 Operating IBSTr CtlOli a 6 3 1 Turning The unit On Oll caia tds 6 3 2 Thermocouple MCasures ssssseeeeeeeceeeeseeseeeeeeeeeeeseneeeseeeneeeeeeeeeeeenseeeeneeeeeeees 6 3 3 Thermocouple SOUNCE oi da at 7 3 4 RTD PT100 Simulation Measure eeeeeeee eee ee cn 7 45 RID PRT SOUr Gs iii 8 BiG UVIMV MEBASUTO tc a P 8 Bile Td SOURCE E 8 3 8 MA MeaSute aiii 8 3 9 mA Source and 24V Process Loop Drive cccccccssseeeeeeeeeeeeeeeeeeseeeeeeneeeeeeees 9 3 10 Storing and Recalling Values eeeeeeeeeeeeeeeeeeeeeernnnnen nnns 9 3 11 Step and Auto Step Functions eeeeeeeeeeeeeeeeeeeeeeeennnennnn nnn 10 3 12 Inching Increment Decrement ee esse Lecce eese eese e eene 11 3 13 Menu FUNCTIONS mme 11 3 14 Setting output values between 0 0 and 1 0 12 Ba Maintemaliee oes ve ae aer OR SOR FOR NOR OR OR ORNA CHE NER X HORE NH He Re ORENSE RAT 13 4 1 Battery Life and Replacement
3. mode followed by the required parameter i e thermocouple type uV mV or mA Please note that Store Recall is not available for PRT you just step through the fixed values using the up down arrows for this parameter 1 Enter the required value for the selected parameter followed by the ENTER key 2 Press SHIFT followed by STORE the display will show Store 0 9 gt 3 Enter the required store location number i e 0 9 Repeat steps 1 to 3 for up to a maximum of ten store locations 1090 Technical Manual Page 9 Recalling values To recall the stored values the unit must be in SOURCE mode 1 Press RECALL the display will show Recall 0 9 gt 2 Press the required store location number the display will show the stored value and it will be sent to the output terminals 3 Repeat steps 1 and 2 to recall the contents of the other store locations It should be noted that the store locations only store the numeric value and not the units Therefore the correct units i e uV mV etc must be selected before the recall is done 3 11 Step and Auto Step Functions These modes provide a method of manually or automatically stepping through the stored values When in automatic mode the unit may be programmed to dwell on the stored value for between 1 and 9 seconds before proceeding to the next one To use the Auto Manual Step functions the unit must be in SOURCE mode Manual Stepping Ensure th
4. 1 0 1090 Technical Manual Page 16 General Specifications Cold Junction Compensation Resolution 0 1degC or 0 2degF Accuracy 0 1degC 0 2degF at 22degC 72degF Variation with change in ambient 0 02 degC F per degC F Operating Temperature 10 to 40 degC 15 to 105 degF Connections 4 off 4mm low thermal screw terminals Power The internal metal hydride battery pack gives approximately 60 hours continuous operation The mains re charger supplied allows full recharge about 11 hours To conserve battery life a user inactivity automatic power down feature is included Dimensions 235 x 150 x 75 mm 1 25 Kg 9 25 x 6 x 3 ins 2 8lb 1090 Technical Manual Page 17 18 6 1090 Calibration Procedure Calibration MENU 6 ENTER enters calibration mode The unit prompts for a password to enter cal mode The code is 982053 There are 8 calibration steps as follows Pressing CLEAR at any step will skip that step leaving the calibration data for that step unchanged Power must not be removed during the calibration process as this will cause the data check sum to be incorrect 1 Input 30mV Apply 30 000mV to the input terminals PRESS ENTER 1 Input 30mV 2 Src 80 00mV Apply 30 000mV to the input terminals PRESS ENTER Measure the output voltage Use the up down keys to adjust for an output of 80 000mV output For coarse the keys immediately below the arrow keys can be used 7 8 adjus
5. a robust case with a carrying strap A pocket for this manual and test leads is provided Full operation including re charge is possible without removal from the case The lid is reversible to simplify operation The 1090 is powered by a 5000mA Ni MH battery pack this will give a maximum operation time of around 60 hours depending on functions used It is important not to over charge the battery pack as this could lead to a shortened life see section 4 1 page 13 1090 Technical Manual Page 3 4 2 FrontPanel Controls E e Time Electronics D a E c _ m U a Y 7 J amp mV ZEFPAC IO 7 XxX E lt CAHOMTDO uv e Keypad Primary and Secondary functions Most of the 1090 s keys are dual function Their primary function is shown in blue on the lower half while the secondary function is shown in red on the upper half To access the secondary functions press the SHIFT key before the required secondary function key The display indicates when the SHIFT key has been pressed by showing an S on the right hand side This mode is always cancelled after the secondary function is selected or the CLEAR is pressed 1090 Technical Manual Page 4 Secondary functions are shown in nmoou gt xS lt CH HOD O vzzrac ro lt 4mm Output Terminals 4mm Input Terminals Chassis earth connection 16 digit Liquid Crystal Display Increments output in accordance with user set resolu
6. keys Press MENU and release 1 Auto off Yes Use down arrow key to display 4 XX X XXXU Press ENTER to cycle between the 3 available settings 0 1 1 0 or 10 C 1 10 or 100uV uA Battery status Displays battery voltage Press MENU and release 1 Auto off Yes Use down arrow key to display 5 Battery x xxV 3 14 Setting output values between 0 0 and 1 0 It is important that a leading zero is keyed in when setting output positive values between 0 0 and 1 0 The negative sign decimal point key has a dual function of and When entering a value if this key is the first one pressed a negative value will be entered If it is not the first key pressed it will enter a decimal point Therefore a leading zero must be entered if a positive value of between 0 0 and 1 0 is required eg 0 75 However this is not the case for settings between 0 and 1 0 where it is allowable to enter just 75 and a leading zero is not required 1090 Technical Manual Page 12 4 Maintenance 4 1 Battery Life and Replacement The 1090 is powered from an internal metal hydride battery pack with a capacity of 5AH This provides up to 60 hours of continuous operation The mains recharger will recharge the battery fully in about 11 hours During operation the battery voltage level is checked once per minute If below 6 5V a Battery Low warning is displayed If below 6 0V a Battery Dead warning appe
7. numbered keys and press ENTER or by using the up down arrow keys Pressing the ENTER key will momentarily display the equivalent source voltage For CJC operation see 3 1 3 4 RTD PT100 Simulation Measure When the unit is turned on it displays the software version number It then enters its default mode Millivolt mV and displays Meas 0 00mV Select the PRT by pressing the SHIFT key immediately followed by PRT Meas Pt Over C The word Over indicates over range and is displayed when probe is not connected Terminals open circuit The word Under indicating under range is displayed when terminals are short circuited The display may be changed to read in F by pressing SHIFT then the C F key For this mode connect a PT100 sensor to the unit s OUTPUT terminals The unit will measure temperature Pressing the ENTER key will momentarily display the equivalent ohms value 1090 Technical Manual Page 7 3 5 RTD PRT Source Select the PRT mode by pressing the SHIFT key immediately followed by PRT Meas Pt Over C Select Source mode by pressing SHIFT immediately followed by SOURCE Src Pt 100 C The display may be changed to read in F by pressing SHIFT C F keys For this mode connect the device to be calibrated to the units OUTPUT terminals The unit is now ready to simulate a Pt100 probe Use the Up Down arrow keys to st
8. a calibrated PRT Current option board so that step 8 can be completed this calibrates for the initial accuracy of the on board voltage reference a 10 d RUS 051 I meas 73698 BLA UOR EN jj REA RL16 n 1 i P51 current source P50 current ees ey pU a o y measure j E e eas i Y a 5 e R67 c O RED C R68A O O R61 e S REQA O er u K A 12 D z 1090 Technical Manual Page 19 20 7 Guarantee Servicing Guarantee Period This unit is guaranteed against defects in materials and workmanship for a period of one year from its delivery to the customer We maintain comprehensive after sales facilities and the unit can if necessary be returned to us for servicing During this period Time Electronics Ltd will at its discretion repair or replace the defective items For servicing under guarantee the instrument type and serial number must always be quoted together with details of any fault and the service required The purchaser of the instrument must prepay all shipping charges Time Electronics Ltd will pay return shipping charges This guarantee is void if servicing has been attempted by an unauthorised person or agent If during the guarantee period failure is due to misuse or abuse of the unit the repair will be put in hand without delay and charged unless other instructions are received Please note that if you require a new UKAS Certificate dur
9. ars and the unit powers down 4 2 Display The LCD display should not be exposed to strong sunlight for prolonged periods 4 3 Front Panel Keypad and Connections Front panel is a sealed membrane keypad It should be cleaned by wiping with a damp cloth Solvents must not be used to clean the keypad as damage may result 4 4 Fuse A 0 5A slow blow battery supply fuse is located on the main board Size 20mm 0 78in x 5mm 0 20in dia 1090 Technical Manual Page 13 5 Specifications MEASURE ACCURACY 0 1 deg C F resolution THERMOCOUPLE TEMPERATURE ACCURACY RANGE deg C Deg C 200 to 150 2 5 150 to 750 0 5 200 to 0 1 5 0 to 400 0 4 50 to 400 3 0 400 to 1750 1 5 50 to 100 3 0 100 to 1750 1 5 110 to 1000 3 5 1000 to 1800 1 5 1090 Technical Manual Page 14 15 SIMULATE ACCURACY 0 1 deg C F resolution THERMOCOUPLE TEMPERATURE ACCURACY RANGE deg C Deg C 210 to 150 0 15 150 to 1200 0 3 0 5 270 to 190 190 to 1250 0 4 200 to 150 150 to 400 50 to 800 800 to 1750 S 50 to 850 0 9 850 to 1750 2 0 B 100 to 1200 2 0 1200 to 1800 3 0 270 to 260 260 to 1300 An additional correction representing the equivalent 1uV should be allowed for stray thermal emf effects Millivolt Measure 0 to 30mV Resolution 10uVAccuracy 0 05 of f s 1 digit Input resistance 100K Ohms Milliamp Measure 0 to 60mA Resolution 20uA Accuracy 0 05 of f s 1 digit Input resi
10. at the unit is in SOURCE mode and the desired units are selected Use the RECALL key to set the pointer to the stored locations If you want to start at location 1 press RECALL followed by 1 This will display and output the contents of location 1 Subsequent pressing of the STEP key will step through the store locations in order starting with location 2 After recalling the contents of location 9 the next step will return to location 1 Note Ifthe RECALL key is held in for a short while before releasing it will show the store location number being recalled Automatic Stepping Use the RECALL key to set the pointer to the required first location The select AUTO STEP The display will then ask you to enter the required delay in seconds enter a single figure between 0 and 9 followed by the ENTER key This will set the dwell time on each recall and automatically start the sequence After the 9th location has been recalled the sequence will continue by rolling over back to location 1 The cycle of stepping through the locations will continue indefinitely until a key is pressed this will terminate the cycle immediately 1090 Technical Manual Page 10 11 3 12 Inching Increment Decrement The unit has a general purpose inching function This adjusts the output in fixed increments of temperature thermocouples only or voltage or current The set up menu gives a the user a choice
11. elow 6 0V a Battery Dead warning appears and the unit powers down The unit then goes into its default start mode Measure mV To Turn off The unit is powered down by pressing SHIFT followed by OFF key Cold Junction Temperature Compensation Automatic or Manual Cold Junction Temperature Compensation may be applied On power up the unit defaults to Auto CJ status To change to Manual press the MENU key followed by the up and down arrows until the display indicates step 3 CJ Auto xxx C Press the ENTER key The unit switches to manual and is ready to accept a manual figure entered from the number keys The unit remains in the CJ Manual mode until it is turned off Note Setting Cold Junction Compensation in degF requires the unit to be in degF units before entering the menu 3 2 Thermocouple Measures When the unit is turned on it displays the software version number and then enters its default mode mV measure and displays Meas 0 00mV Connecting the Thermocouple Connect the thermocouple cable or compensating cable to the 1090 s input terminals Thermocouple Selection Select the type of thermocouple that you wish to measure by pressing the SHIFT key immediately followed by the thermocouple type e g SHIFT then J to select type J The unit will indicate type and temperature The display will then show Meas Ja 23 9 C The a following the J indicates that the unit is set for automatic cold j
12. ep change the temperature Pressing the ENTER key will momentarily display the equivalent ohms value 3 6 uV mV Measure Measuring mV Press SHIFT followed immediately by mV to select mV measure mode Meas 0 00mV The unit is ready to measure mV connected at its input terminals Measuring uV To measure uV press SHIFT followed immediately by uV The unit is ready to measure uV connected 3 7 uV mV Source mV Source Select Source mode by pressing SHIFT immediately followed by SOURCE Src 0 000mV Connect the device to be calibrated to the unit s output terminals Enter the desired mV values using the numbered keys or Up Down arrow keys uV Source Select Source mode by pressing SHIFT immediately followed by SOURCE Press SHIFT followed immediately by uV Src OuV Connect the device to be calibrated to the unit s output terminals Enter the desired uV values using the numbered keys or Up Down arrow keys 3 8 mA Measure To select mA Measure mode press SHIFT followed immediately by mA Meas 0 00mA The unit is ready to measure mA at its input terminals 1090 Technical Manual Page 8 9 3 9 mA Source and 24V Process Loop Drive To select Source mode press SHIFT followed immediately by Source Scr 0 000mV To select mA Source mode press SHIFT followed immediately by mA Src 0 000mA Connect the device to be calib
13. ing the warranty period this will be charged at the current rate on our price list Service After Guarantee Period Even after the guarantee period has expired Time Electronics Ltd can still service your instrument As the manufacturer we have the specialised knowledge needed to keep your instrument in peak condition and we also maintain a comprehensive spare parts service Please enclose details of the service required and your full company details including a contact name when returning for servicing Returning Instruments When returning instruments please ensure that they have been adequately packed preferably in the original packing supplied Time Electronics Ltd will not accept responsibility for units returned damaged Please ensure that all units have details of the service required and all relevant paperwork Send the instrument shipping charges paid to Time Electronics Ltd Botany Industrial Estate Tonbridge Kent TN9 1RH Tel 44 0 1732 355993 Fax 44 0 1732 770312 Email mail TimeElectronics co uk Web Site www TimeElectronics com Disposal of your old equipment 1 When this crossed out wheeled bin symbol is attached to a product it means the product is covered by the European Directive 2002 96 EC 2 All electrical and electronic products should be disposed of separately from the municipal waste stream via designated collection facilities appointed by the government or the local authorities 3 The correct d
14. isposal of your old appliance will help prevent potential negative consequences for the environment and human health ll 4 For more detailed information about disposal of your old appliance please contact your city office waste disposal service or return to Time Electronics 1090 Technical Manual Page 20
15. of three levels of increment i e 0 1 1 or 10 for degC degF and 1 10 or 100 uV UA for voltage current The lowest of these represents the highest setting resolution and provides the most precise control of the output This is especially useful for calibrating thermostat controllers which have tight specification on hysteresis or for the fine adjustment of the output level needed to give a precise indicator reading 3 13 Menu Functions The MENU key provides access to a number of auxiliary features Press MENU and hold 4 Ent Menu Power Auto off This refers to auto power down state To conserve battery life the unit will switch off after 5 minutes if set to on On releasing the MENU 1 Auto off Yes To disable this function press ENTER whilst the display is showing Beep On Off This turns on off the bleep sounder when a key is pressed Press MENU and release 1 Auto off Yes Use down arrow key to display 2 Beep On To turn it off press ENTER Cold Junction Compensation Auto Man Press MENU and release 1 Auto off Yes Use down arrow key to display 3 CJ Aut xx x C To change to manual operation press ENTER Enter a degree value using the number keys and press ENTER The unit reverts to Auto when next switched on 1090 Technical Manual Page 11 12 Inching Incrementing Decrementing arrow keys This function sets the step size used by the Up Down arrow
16. rated to the unit s output terminals Enter the desired mA values using the numbered keys or Up Down arrow keys It should be noted that the unit can provide a maximum output of 80mA The user should be aware that continuous operation at this level will reduce the battery life considerably 24V process loop drive It is possible to use the unit to drive conventional process loops with 24V dc and up to 60mA Select mA Source mode as described above Set the current output to 60mA or less if required The output terminals will then provide 24V 0 5V to drive the loop It will allow up to the set value of current to be supplied before the output voltage will drop 3 10 Storing and Recalling Values In the source mode the 1090 unit is able to store and recall up to ten output values The values may be stored in locations 0 to 9 The values may be recalled manually or automatically Used in conjunction with the Auto Step function the unit may be programmed to output the stored values in sequence pausing at each value The pause wait time is adjustable To store values in memory first the unit has to be in the Source mode Select the source mode by pressing SHIFT followed immediately by Source Src 0 000mV Select the required type of source units Thermocouple RTD uV or mA e g For mA press SHIFT immediately followed by mA Src 0 000mA Entering and storing values Select SOURCE
17. stance 0 5 ohms 1090 Technical Manual Page 15 16 Millivolt Source O0 to 80mV Accuracy 0 02 of f s 16uV Resolution 5uV Output resistance 10 ohm Note For output settings below 8mV an increased resolution of 0 5uV is automatically switched in The accuracy for this part of the span is also increased to 4uV Milliamp Source 0 to 80mA Accuracy 0 02 of f s 160A Resolution 5uA Maximum load 24V drive 300R 80mA 480R 50mA 1 2K 20mA Inching Three levels of increment 0 1 1 or 10 for degC degF and 1 10 or 100 uV uA for voltage current The lowest of these represents the highest setting resolution and provides the most precise control of the output 24V process loop drive mode A process loop can be driven at 24V up to 60mA by selecting the Milliamp source mode and setting it at GOMA or a lower level if required PT100 SIMULATION 14 set temperatures Specification within 0 196 of DIN 43760 resistance values on all settings Reading deg C 100 0 50 0 20 0 0 0 20 0 50 0 100 0 200 0 Accuracy deg C 0 3 0 3 0 3 0 3 0 3 0 3 0 3 0 5 Reading deg C 300 0 400 0 500 0 600 0 700 0 800 0 Accuracy deg C 0 5 0 5 0 5 0 7 0 7 0 7 PT100 MEASURE 0 2 degC or degF resolution 0 to 300 0 ohms 2 wire Reading deg C 100 0 50 0 0 0 100 0 150 0 200 0 250 0 300 0 Accuracy deg C 0 8 0 8 0 7 0 7 0 7 0 7 1 0
18. t down and up in 10 times larger units 4 5 100 times When the unit is first calibrated after manufacture the cal factor may be a long way out To avoid lots of key pressing pressing SHIFT will set it to a value close to the nominal calibration value 3 Src 8 0mV As above adjust for 8 000mV 4 Src 80 0mV As above adjust for 80 000mV 5 Src 8 0mV As above adjust for 8 000mV 6 Temp Display current calibrated temperature If incorrect press ENTER and enter the current temperature at the CJ sense point in degrees C 7 Pt100 Only perform this task if the mA pt100 board is fitted Connect a 300 0ohm precision resistor across the output terminals Press ENTER the unit will then restart 1090 Technical Manual Page 18 19 If the PRT Current board is fitted and requires calibration this must be done after the voltage steps 1 6 above have been performed P50 calibrates the current measure mode and P51 current source mode These should be adjusted at full scale 30mA measure 80mA source If the PRT Current board is recalibrated you must repeat step 8 above afterwards use CLEAR to skip past the other steps Notes on the PRT Current option board The PRT Current board has calibration adjustments on board for current source and measure and can be supplied ready calibrated for retrofitting in the field When a 1090 unit is initially factory calibrated it is necessary to fit
19. tion Decrements output in accordance with user set resolution Turns unit off Selects Type S thermocouple Selects Type R thermocouple Selects Type K thermocouple Selects Type J thermocouple Selects Type B thermocouple Selects mV Selects mA Selects uV In source mode recalls values stored in memory Stores values in memory Steps to the next stored value Auto steps Selects Type T thermocouple Allows menu functions to be viewed and changed Toggles the temperature readout between C and F Selects Type N thermocouple Selects Source or Measure Selects Type E thermocouple Clears value Enters an output value Selects PRT RTD mode Sets keypads to secondary RED functions Note The secondary keypad functions are available only when relevant to the selected operating mode eg Auto Step is not available when the 1090 is in measure mode Also please note that the SHIFT mode has an automatic time out This means that it will automatically be cancelled if the secondary function is not selected within a few seconds 1090 Technical Manual Page 5 6 3 Operating Instruction 3 1 Turning the unit On Off To Turn On The unit is powered up by pressing and holding any key for longer than 1 second On power up the software version and mV mA Pt will be displayed for 2 seconds The battery voltage is then checked and if below 6 5V a Battery Low warning is displayed If b
20. unction compensation If automatic cold junction compensation is not required it should be disabled using the menu set up See section 3 1 The display may be toggled to show in degF or degC by pressing SHIFT then the C F key Note If required the actual thermocouple output voltage in mV can be shown by pressing and holding down the ENTER key For CJC operation see 3 1 1090 Technical Manual Page 6 3 3 Thermocouple Source Select Source mode by pressing SHIFT followed immediately by SOURCE key The display will show Src 0 00mV Thermocouple Selection Select the type of thermocouple that you wish to simulate by pressing the SHIFT key immediately followed by the thermocouple type e g SHIFT followed by J to select type J The unit will indicate type and temperature The display will show Src Ja xx x C The a following the J indicates that the unit is set for automatic cold junction compensation If cold junction compensation is not required see section 3 2 to enable disable The display may be toggled to show in F or C by pressing SHIFT followed by the C F key Note The actual output voltage in mV can be displayed by pressing and holding down the ENTER key Connect the device to be calibrated to the unit s output terminals using thermocouple or compensating cable Temperature for a Type J T C can now be simulated Enter the desired output temperature using the
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