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0-10, 0-100 NTU - Watts Water Technologies

1. 5 820 148 Figure 3 Turbidity Sensor Outline Dimensions MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 Page 7 A8NSOIINA 3CISLNO NO VIVO 04 ASDLOVI LOVINDI SNDILVTIVISNI JODTINO sud CINDISIT LON SI LNAWNALSN 1HOI IN IS 133910 NDS 7 YOSNSS 31DN323 ANY SIZANNY 13IHS v 339NVN31NIVA DNI2300 31N3 LHDIN HIIHM ONIdATIT YSLVM SNONNILNOJ GIDAV OL DUSN3S 310W38 ANY 83ZA IWNV HIDE TIVISNI SOSNIS SHL 30 dOl AHL NO SI GQvdH ADT DS YOSNIS 31UW3 3 TIVISNI 2 3ONVNGLNIVNW SICOINId a4 SSIIIV ASVI AH 119 DL NBUILVOU v NI SOSNIS 3LDW3 TIVISNI I CAa3HdSDWLV OL Nado WNWINIW V OL HION3 d335 JanL WW6 ST TI HONI 8 8 NIva INSINSANDO V DL SALON SOV4ANSLNI NVISIS VIA AALNdWOO LSOH AO CNY 391A30 nav v ND DS LND3 SS3I08d J0 0NV 33080938 21029 Ul adv313 38 GINOHS LNIOd LOAId NOS S 83ZA IVNV AU138 S3HONI 8 40 39INVLSIT V I3NVd AVIA Ul SS322V 304 4LVLod Ul 3ZA WNVv MOTIV DL NOTLNVI CA83HdS0WlV OL N3d0 SS3OUu8d 30 Nivad DL DNIANL TO HONI 91 75 JONVNG3INIVW 304 YOSNAS JANEY 3ONVav319 40 1004 I MOTIV GrSIc UN IVO YOSN3S ONIENI TO HONI 91 8 JNIT d IdWAVS TIONINNDIII FINTA TIVE m NI SSSHLO Ad TIDidaNS HOLIMS 92997299 LINIJI 31899 AaOLINGNOS IL INN IN3OQ 1443 3331114 a Wyv3alS NIV
2. 2 3 jz 5 6 Tz 8 9 CURRENT T READING 97 1 T GRAPH TIME BASE 15 MINUTES GRAPH UPPER LIMIT 100 T GRAPH LOWER LIMIT 0 T ALARM 1 SETTING ALARM SET AT 10 BUT TURNED OFF ALARM 2 SETTING ALARM ON LOWER THAN 90 0 T TIME 10 00 AM SHOWN IN 24 HOUR CLOCK MODE DATE MARCH 4 GRAPH OF BACKWASH HISTORY with optional Backwash Sensor and Interface connected To leave the backwash display and get to the Main Menu push Menu F1 F4 are nonfunctional in this display MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Papada Rev 3 4 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 3 3 START UP Before placing the MICRO 200 BW on line we recom mend that you standardize the instrument The follow ing sections describe the required procedures 3 3 1 Indexing The United States Environmental Protection Agency U S EPA recommends that cuvettes used for instru ment calibration or sample measurement be indexed To comply with U S EPA standards the MICRO 200 BW includes an Indexing Ring for quick and repeatable indexing of the reference standard To index the calibration standard you must be in the calibration menu Observe the top center current frequency reading while performing the following steps a Slowly rotate the standard inside the optical well one complete revolution 360 While rotating the standard slowly observe the measured turbidity and locate the position of the cuvette having the
3. HF scientific inc 3170 Metro Parkway Fort Myers Florida 33916 7597 Phone 239 337 2116 Fax 239 332 7643 Our engineering staff is available to help you with your specific needs CERTIFICATION Congratulations We at HF scientific are proud to present you with the MICRO 200 BW turbidimeter This instrument represents the very latest in integrated circuit and display technology As a result the product is a rugged and reliable instrument whose performance was tested thoroughly and found to meet its published specifications when it left the factory EPA approved means the instrument meets or exceeds the design and performance criteria as specified in the United States Environmental Protection Agency method 180 1 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 DECLARATION OF CONFORMITY Application of Council Directive 73 23 EEC Standard to which Conformity is Declared Product Safety Immunity EMI UL3111 1 EN50082 1 EN55011 Group 1 Class A CSA C22 2 No 1010 1 92 IEC801 2 FCC Part 15 Class A CE EN61010 1 IEC801 3 IEC801 4 Manufacture s Name HF scientific inc Manufacture s Address 3170 Metro Parkway Fort Myers Florida 33916 7597 Importer s Name Importer s Address Type of Eguipment Turbidimeter Model No Micro 200 200BW I the undersigned hereby declare that the equipment specified above conforms to the above Directive and Standard Place _ Fort Myers Florida USA Sigfigture Robert J Maley Pre
4. ADDRESS 1 REPORT 4HR VER M200NTUBW 8A23E COMMUNICATIONS 10NTU TURBIDITY BAUD 9600 PRINTER ON ADDRESS 1 REPORT 4HR VER M200NTUBW 8A23E 3 2 6 Monitor Setup Continued By pressing F8 in the Communications menu In this menu an address may be assigned to a particular instrument You may select the address from to F Hexadecimal by using the 4 keys By pressing in the Communications menu In this menu you can select two time periods that a report can be sent to the printer You can choose a report every four hours or every 24 hours If the printer option above is turned On and either report time is selected the report will be printed at the interval selected If both printer and report are Off then no output data will be available You can change the report selection by using the w keys MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 23 Rev 3 4 COMMUNICATIONS 10NTU TURBIDITY BAUD 9600 PRINTER ON ADDRESS 1 REPORT 4HR VER 200NTUBW 8A23E COMMUNICATIONS 10NTU TURBIDITY BAUD 9600 PRINTER ON ADDRESS 1 REPORT 4HR VER 200NTUBW 8A23E 3 2 7 Backwash Display 96 5 This is the backwash display It is only meaningful if the Backwash option is connected The screen above shows a typical backwash cycle In this mode updates are made to the screen every 6 seconds The reading is updated every second The display shows the following parameters
5. MOUNTING HOLES POWER OFF ON SWITCH AC POWER TERMINALS x 4 PLACES d LINE CORD ANALYZER INPUT NK E Eos m Lg RG 59 B Bic vill I OFF TT CON L i V nl er I esl A wate D GLAND FITTING MAY BE u so B REMOVED FOR CONDUIT O a su pi EM HOLE SIZE 2 lil B SENSOR S 27 32 INCHES vo H CABLE 21 4MM AS V IO LINE FUSE VOLTAGE SET SWITCH c 115 250 VOLTS SENSOR INPUT TERMINALS Figure 17 Backwash Interface Voltage Selection MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 36 Rev 3 4 8 13 64 224 7 3 32 180 3 35 64 90 Figure 18 Junction Box Outline NOT USED 3 CABLE PAIR 27 i Jl LO CABLE PAIR Le 2 SHIELD WIRES 2 SHIELD WIRES FROM SENSOR 9 TO ANALYZER CABLE PAIR lt QU NOTES MOUNTING HOLES USE ONLY 2 PAIR SHIELDED 4 PLACES CABLE TYPE 6052C CABLE PAIR Figure 19 Junction Box Wiring Diagram MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 37 Rev 3 4 XX
6. 19851 This option may be used where the distance from the host computer to the most remote MICRO 200 BW analyzer is in extreme cases up to 10 000 feet 3 28 km depending on the site noise conditions Itis similar to the RS 232 Standard Voltage Mode Interface except that it transmits in a Balanced mode in one direction at one time half duplex This balanced mode makes it less susceptible to noise It also maybe hubbed or connected each one to the next It is important the most remote interface and only it should have it s switch closed to properly terminate the network Please consult HF scientific inc for more specific information See figure 25 on page 42 8 6 3 Serial Printer Catalog 19860 This options provides a printout every 4 hours or every 24 hours at midnight of date time of period minimum NTU average NTU and maximum NTU readings dur ing the selected period The printer option is supplied in a NEMA 4x enclosure intended for wall mounting This option is shipped with an instruction manual addendum giving more detailed information on installation and operation Please consult HF scientific inc for more specific information MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 41 Rev 3 4 ADDRESS 1 ADDRESS N RS232 TNTERVENTNO vormace m vonzace asr om mm vaer om srar 0000000 000000
7. NTU 237HZ By pressing F1 in Normal Cal menu Turbidity EE un 4114HZ CAL POINT 3 19 292 29NTU 97737HZ OFFSET LEVEL 9 000 NTU QHZ By pressing F4 in Normal Cal menu 10 NTU Turbidity Only aR CAL POINT 1 In this menu you can offset the NTU value on the measurement screen to compensate for PPO NU 205 variations between process NTU readings and grab sample readings measured on aknown SAU dd good instrument Offset adjustmentis limited to 0 1 INTU in 0 01 NTU increments Use CAL POINT 8 the A wr keys to adjust the offset level to meet your requirements TOM Spree OFFSET LEVEL 9 0400 2 280882 NTU QHZ By pressing in Sensor Setup menu Backwash NSACKWASH CAL POINT 1 100 D T 10 0DIHZ IDSDHZ EXTENDED SETUP 10NTU TURBIDITY FULL SCALE CAL By pressing F4 in Sensor Setup menu 10 NTU Turbidity Only S E PAN VER M200NTUBW 8A23E Press F1 to perform a full scale calibration In this menu a full scale calibration of the instrument can be done using a 10 NTU standard Simply put the 10 NTU standard FULL SCALE CAL Fan 10NTU TURBIDITY in the sensor and push the key to perform the calibration PUT STANDARD IN SENSOR CAL TIME PRESS UP TO CALIBRATE 6 9327NTU 6933 HZ MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 16 Rev 3 4 3 2 4 Alarm Setup By Pressing L F2 from Main Menu ALARMS SETUP 1ONTU TURBIDITY ALARM 1 9 55 HI 2 596 ALARM 2 8 1
8. Readings erratic To check if the erratic readings are due to sample measurement or a problem with the instrument remove the flow through unit and place a light shield over the sample well This may be left for a period of time and the graphic history observed later If the graph shows instability the MICRO 200 BW has a problem Call HF scientific service dept If the graph is stable there is a problem with the sample being measured See the following for suggested corrections Check for debris in flow through cuvette Clean out as required Increase back pressure with flow control valve This will keep air in solution Analyzer Displays 0 10 range 10 NTU calibrate should only be performed with a 10 NTU standard in Frequency Error sensor well MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 31 Rev 3 4 7 2 SPARE PARTS LIST FOR MICRO 200 BW CATALOG NO 20892 50036 21555R 50004 50125 21512 50040 21062 21541 50092 20853 19807 21148 50136 21652 21870 60002 20106 OPTIONS BACKWASH 19275 20849 50321 20853 19805 20848 50345 50356 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 DESCRIPTION BNC Connector Cuvette 3 pk 28 mm x 70 mm pressure checked Desiccant Pack Flow control valve Flow through assembly Foot Valve Assembly Formazin Stock Solution Kit 4000 NTU Kit tubing amp fittings Micro 200 Sensor Lamp Module Light Shield Cap NTU Sensor Cable per foot NTU Sensor Module
9. lowest reading b With the calibration standard positioned at the location having the lowest turbidity reading install the Indexing Ring over the cap on the standard so that the pointer of the Indexing Ring faces directly forward When using the standards in the future always insert the standard so that the pointer of the indexing ring faces forward Slowly rotate the standard back and forth about 5 to find the lowest point The standard is now indexed and ready for use Figure 10 shows a calibration standard being indexed NOTE This Calibration Standard is only Indexed to the Turbidimeter for which it was aligned CALIBRATION STANDARD INDEXING RING WIT MARKER Figure 10 Calibration Standard Indexing Page 25 3 3 2 Standardizing The calibration standard cuvette supplied with the MICRO 200 BW is a pure liquid sealed in glass It has a value of 0 02 NTU Standardization is performed in the calibration menu see page 15 amp 16 for more details While in the calibration menu perform the following operations a Placethe Calibration Standard in the Optical Well b Index the Calibration Standard as previously de scribed c Allow a few seconds for the standard to stabilize d Press the FI button to accept the frequency NOTE This operation calibrates the 02 NTU calibra tion standard in the range of interest If both ranges maybe used this operation should be performed on bo
10. 0 10 amp O 100 NTU Electronics portion only Nylon Bulkhead Assembly O ring kit for flow through unit Operating amp Maintenance Manual PC Board Micro 200 BW Analyzer Universal Standard 0 02 NTU Stilling Chamber Backwash Interface Backwash Interface to Analyzer Cable Backwash Sensor Backwash Sensor to Interface Cable Junction Box Junction Box Extension Cable Backwash Sensor Extension Handle Backwash Sensor Extension Handle Mounting Installation Kit HF scientific inc Phone 239 337 2116 Fax 239 332 7643 Page 32 8 0 OPTIONS BACKWASH 8 1 INSTALLATION 8 1 1 Backwash Interface Catalog No 19275 To monitor backwash using the MICRO 200 BW one backwash interface and one backwash sensor is re quired for each analyzer Refer to figure 16 for the outline of the backwash interface Power requirements are 12 VA at 110 120 VAC or 220 240 VAC The voltage may be changed using the selector switch lo cated inside the interface housing See figure 17 for details The interface may be mounted up to 300 feet 91 4 m away from the backwash sensor The signal is sent to the MICRO 200 BW analyzer via BNC connec tors through up to 1000 feet 304 8 meters of coaxial cable Catalog No 20849 Refer to figure 15 for the analyzer BNC cable connection Figure 15 Analyzer BNC Connection 8 1 2 Junction Box This option HF Catalog No 19805 may be used to extend the backwash sensor cable to a total le
11. Nephelo of 30 volts are disconnected before at metric instrument that measures scattered light from MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 11 Rev 3 4 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 particles in suspension turbidity The optical signal from the photodiodes is amplified and then converted to a frequency This frequency is dependentupon the NTU level of the sample in the sample well The resultant signal is sent to the analyzer where it is linearized for presentation on the display All operator controls are located on the front panel of the MICRO 200 BW Complete displays include LCD indicators which blink in the event of an alarm of the two user set alarms and a sensor alarm Each feature is clearly labeled and you will be taken step by step through each one later in this section This approach ensures EASY use of the HF scientific inc MICRO 200 BW One of the most important features of the MICRO 200 BW is the ease of operation You simply press the Function Key lt F1 F4 gt for the selection you want to access on the LCD screen The information contained in this manual will help users take full advantage of the MICRO 200 BW s capabilities In the event that unusual circumstances arise that are not addressed in the manual contact your local distributor Our engineering staff is also available to help you with your specific needs The ROM program used in the MICRO 200 BW con tains c
12. The menu highlighting the 10 volt end is intentionally not shown The following menus will have no pupose unless you have one of the optional serial ports installed By pressing L F4 in the Monitor Setup menu In this menu the baud rate can be changed to meet your requirements using the keys Buad rate of 300 600 1200 2400 4800 or 9600 may be selected By pressing F2 in the Communications menu In this menu the serial printer mode can be turned On or Off If the printer is selected On and report is Off then the serial port will output the current reading in real time which is an update to the output every second Choose this mode if your sending the data directly to a data logger or other data collection device You can change the printer to On or Off by using the A w keys MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 22 Rev 3 4 MONITOR SETUP 10NTU TURBIDITY TIME DATE 19 29 MAR 24 1998 SELECT D TOA 4 20MA CURRENT VOLTAGE ADJUST 4 088 20 000 DDD 10 80 COMMUNICATIONS VER M200NTUBW 8A23E MONITOR SETUP 10NTU TURBIDITY TIME DATE 19 99 MAR 24 1998 SELECT D TOA 4 20MA CURRENT VOLTAGE ADJUST 4 00 20 09 DID 10 020 COMMUNICATIONS VER M200NTUBW 8A23E MONITOR SETUP 10NTU TURBIDITY TIME DATE 10 99 MAR 24 1998 SELECT D TOA 4 25MA CURRENT VOLTAGE ADJUST 4 D 200 000 DOD 10 00 COMMUNICATIONS VER M200NTUBW 8A23E COMMUNICATIONS 10NTU TURBIDITY PRINTER ON
13. a continuous 5 0 ROUTINE MAINTENANCE vaporpurge system A fan inside the sensor continu ously circulates heated dry air around the optical well 5 1 CUVETTE CLEANING amp CARE and the flow through cuvette This feature eliminates the need for connection of a dry purge line See Figure 12 Cuvettes must be clean and free of marks or scratches in the critical area see figure 13 on page 28 Cleaning The humidity indicator card is blue when dry and turns is accomplished by washing the interior and exterior of to a light pink when the desiccant is expended Check f 2 the cuvette in a detergent solution then rinsing thor MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 26 Rev 3 4 T LN Z lt JI A DRY AIR ee t Ir Keal e S A x NIY DESICCANT POUCH Figure 12 Vaporpurge MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 27 Rev 3 4 5 2 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 oughly 8 to 10 rinses in clean distilled water to remove all streaks 28 mm O D G
14. dii ida woer Lk TEA ied To jeto mm o jeto mo T i e mus OR BACKBONE Figure 24 RS 232 Voltage Connection ADDRESS 1 ADDRESS ON RS485 RS485 1ST OF HUB i i LAST ORSTAR INTERVENING i UNITS i HOST CPU lt 8 dy 7 GRD SHIELD Figure 25 RS 485 Connection MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 42 Rev 3 4 WARRANTY HF scientific inc as vendor warrants to the original purchaser of the instruments to be free of defects in material and workmanship in normal use and service for a period of one year from date of delivery to the original purchaser HF scientific inc s obligation under this warranty is limited to replacing at its factory the instrument or any part thereof Parts which by their nature are normally required to be replaced periodically consistent with normal maintenance specifically lamps including fluorescent backlight reagent desiccant sensors electrodes and fuses are excluded Also excluded are accessories and supply type items Original purchaser is responsible for return of the instruments or parts thereof to HF scientific inc s factory This includes all freight charges incurred in shipping to and from HF scientific inc s factory HF scientific inc is not responsible for damage to the instrument or parts thereof resulting from misuse negligence or accident or defects resulting from repairs alterations or installation made by any person or company not aut
15. instructions for changing Shut off power for about five seconds and then turn it back on This will initiate a power on reset If none of the above steps correct the problem contact HF scientific inc service dept for additional support Instrument not If sensor cable was removed from the analyzer check wiring connections functioning correctly Cannot leave menu Invalid parameters may have been inadvertently set Examples of this are a bad time or date or the lower limit set higher than the upper limit Check the screen and change any invalid numbers Display response slow Select a lower averaging time Sensor alarm on Replace the lamp module Check the connection at the sensor The turbidity may be too high If you are on the low range switch to the higher range Replace the sensor If you have a spare sensor or another MICRO 200 BW you may use the alternate sensor to determine if the sensor in question is defective Readings lower than Recalibrate with known good standards expected Readings higher than Check the flow through cuvette If it has dirt on either the inside or outside or is expected scratched clean the cuvette or replace it Check for condensation on the outside of the cuvette If condensation is present either the desiccant tray needs replacement or the vaporpurge system of the sensor is defective Replace the desiccant or the sensor Recalibrate the sensor with known good standards
16. is not required An installation kit is available from HF scientific HF Catalog No 50345 which in cludes the sensor chamber a stainless steel bracket and mounting clamps The user must supply PVC piping bolts and anchors Refer to Figure 21 8 1 3 2 Extension Handle Mounting This method allows the user to adjust the sensor position ing to optimize the sampled water An installation kit is available from HF scientific HF Catalog No 50356 which includes sensor end baffles hose clamps and a pipe adapter The user must supply the extension pipe such as galvanized steel 1 2 to 112 in diameter 12 7 mm 38 1 mm and any additional mounting deemed neces sary for upper end 1 The slot for the outlet baffle must be positioned in a vertical axis at the top 2 Remove all rough edges from the pipe to prevent cable damage 3 Attach the sensor to the pipe adapter with hose clamps 4 Sensor cable can be wrapped around the pipe If the pipe diameter permits the cable can be threaded through the pipe 5 Don tpullthe cabletoo sharply through the pipe use a large radius bend instead In operation some experimentation will be needed dur ing backwash to achieve optimal results Note that the adapter has a pivot to allow the sensor to lay parallel to the bottom Refer to figure 22 BACKWASH SENSOR CONNECTIONS The Backwash sensor is supplied with a 30 foot 9 1 meters cable Catalog No 20853 This cable connects at TB2 o
17. neu MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 21 Rev 3 4 MONITOR SETUP 10NTU TURBIDITY TIME DATE 19 99 MAR 24 1998 SELECT D TO A 4 20MA CURRENT VOLTAGE ADJUST 4 0 200 000 DOD 10 0 COMMUNICATIONS 1D VER M200NTUBW 8A23E MONITOR SETUP 10NTU TURBIDITY TIME DATE 10 200 MAR 24 1998 SELECT D TOA 4 20MA CURRENT VOLTAGE ADJUST 4 00 20 00 DDD 10 00 COMMUNICATIONS VER M200NTUBW 8A23E MONITOR SETUP 10NTU TURBIDITY TIME DATE 19 53 MAR 24 1998 SELECT D TO A 4 20MA CURRENT VOLTAGE ADJUST 428 20 00 DDD 10 00 COMMUNICATIONS VER M200NTUBW 8A23E 3 2 6 Monitor Setup Continued By pressing in the Monitor Setup menu In this menu the digital to analog converter can be set to output a 4 20mA signal or a 0 10 Volt signal using the 4 Cw keys The D to A automatically calibrates to the upper and lower limits you selected in the Display Parameters menu By pressing in Monitor Setup menu In this menu the 4 20mA output can be fine tuned to your requirements You can change either end or both ends of the 4 20mA output using the a Ka keys Only the 20mA end of the scale is highlighted here The menu highlighting the 4mA end is intentionally not shown By pressing F3 again In this menu the 0 10 volt output can be fine tuned to your requirements You can change either end or both ends of the 4 20mA output using the A Cw keys Only the volt end of the scale is highlighted here
18. the calibration freguency for the 100 NTU standard This frequency is displayed in the right hand column Insert the 40 NTU standard Rotate the standard while observing the freguency until the lowest reading is noted 7 Press the F2 key twice to highlight the Frequency for Cal Point 2 N ma am 6 0 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 8 Press the The Frequency at the time of this selection is saved as the calibration frequency for the 40 NTU standard This frequency is displayed in the right hand column 9 Insert the Calibration Standard 10 Rotate the Calibration Standard to its index point If the standard has not been indexed see page 25 11 Press the Fl key twice to highlight the frequency for Cal point 1 12 Press the 4 The frequency for the 0 02 NTU standard is saved This frequency is displayed in the right hand column SECURITY ACCESS CODE The security access code for the MICRO 200 BW provides a degree of protection against an unauthorized change to the instrument s settings or parameters The security code feature may be turned off if desired The first requirement for the security access code after power up is when you wish to exit the current display screen turbidity or backwash Upon pushing the menyDutton to leave the display screen a request will be made for the security access code If the wrong code is entered the screen will return to the previous display after p
19. to 0 1 SECTION 3 PHYSICAL DATA Boiling Point F Approximately 212 deg F 100 deg C Solubility in Water Miscible Vapor Pressure mm Hg Not determined Appearance and Odor Clear and colorless no odor pH 1 1 2 0 at 25 deg C Vapor Density AIR 1 Not determined Specific Gravity H20z1 Approximately 1 Melting Point Approximately 32 deg C 0 deg C Evaporation Rate Not determined Percent Volatile by Volume Not determined SECTION 4 FIRE AND EXPLOSION HAZARD DATA Flash Point Not Flammable Flammable Limits Not determined Fire Extinguishing Media Suitable to cause of fire Fire Fighting Procedures Suitable to cause of fire Unusual Fire And Explosive Hazards None SECTION 5 HEALTH EFFECTS AND FIRST AID Route s of Entry Inhalation No Skin Yes Ingestion Yes Effects of Overexposure Irritation of the eyes mucous membranes and skin could occur Carcinogenicity NTP IARC MONOGRAPHS OSHA REGULATED Not a carcinogen Signs and Symptoms of Exposure Burning or irritation of the exposed area Medical Conditions Generally Aggravated by Exposure None found Emergency First Aid Procedures Skin Wash with plenty of water for 15 minutes Call physician if irritation occurs Eyes Flush eyes with plenty of water for 15 minutes Call physician Ingestion Give large quantities of water Do not induce vomiting Never give anything by mouth to an unconscious person Call physician Inhalation Remove to fresh air If bre
20. with that philosophy this MICRO 200 BW User s Manual has been written to simplify all steps in the procedures that follow THE MOST IMPORTANT ASPECT OF THIS MANUAL IS THAT YOU THE USER READ IT IN ITS ENTIRETY AND REFER TO IT OFTEN Figures and drawings have been used throughout the manual to show you how and text has been used to enhance and clarify what you have been shown Again please read the manual before attempting to install or operate the MICRO 200 BW Pay particular attention to the warning and caution messages throughout Although the MICRO 200 BW is simple and easy to use all electrical and safety precautions must be followed Notes have also been added to give further clarification or reminders in certain instances SPECIAL ENVIRONMENTAL CONSIDERATIONS The Liquid Crystal Display LCD is notrecommended for outdoor installation UV rays are damaging to the display For more details see the Installation Section regarding Mounting of the MICRO 200 BW Page 1 Rev 3 4 1 3 SPECIFICATIONS FOR THE MICRO 200 BW MICRO 200 BW 0 10 0000 NTU amp 0 100 00 NTU EPA approved Nephelometrie Accuracy 10 NTU range 1 of reading or 0 005 NTU whichever is greater 100 NTU range 2 of reading 1 40 NTU 5 of reading 40 100 NTU Repeatability 1 1 Resolution 0 to 10 NTU 1 to 100 NTU Built in LCD Graphics recorder 1108 seconds 1 16 48 amp 96 seconds sliding average Motorola MC68HC11 8 interac
21. 2 sensor Kg EE 6 2 3 2 1 Installing Desiccant Lay une nein 6 2A ANALYZER CONNECTIONS sus rear QE DER Ie EO D Du DIEI fusak aay 9 2A1 Babe Cord EE 9 242 Analyzer POW ceon cuss 9 24 3 D A Outputs Voltage amp Current 1er oe terre bb te DH ite to Pebble been 10 244 Recorder EE 10 2 45 Recorder Current siii DOSSO IRR Tresana RARO EEKE RA TEE ENRETE E ONE rE E EEE RE ore SEER 10 ZAG s4 20 mA IsOlafie EE 10 247 Alam 6 611 e arcella ro 11 24 8 Cable Mount Ferrtes y l een n un pP ER dee ie pue EE 11 2 5 TURBIDITY ENSCH OR UR UO aes ea eG ORE I ED RIO SEED as 11 25 Interconnecimo Cable u ua etr eot nes torpe tiere oret e Erden 11 252 Inserts for sample and dram LINES E 11 3 0 STEP BY STEP OPERATION piii HEURE RUM pee ei ee ee ee a 11 3 1 THEORY amp HOW IT WORKS eiecti tute ne ee 11 3 2 MENU GUIDE TO THE MICRO 200 BW ntt rr hr t o Peba LNLS ORM E Danas br RR ERR 12 3 2 1 T rbidity DISplay an ELE A ela aaa 13 3 22 Ma Men Z CR GR EE 14 323 SENSOR SECU mem 15 321 Alarm Setup E 17 3 2 3 Display Barameters ET ea N OEY 19 9 20 MONITOR SetuDi qa u domom EO OB Uo SE ROREM NO OT oo esa een subor id 21 3 7 rBackwashDisplay 2 nitent ERE o ERE et o fe aan ER Aa AN ee 24 SENI quM 25 SEMEL SIDA 25 3 3 2 STADGANDIZIMD u 25 4 0 ROUTINE OPERATION DEE 25 4 1 CONTINUOUS MONITORING FLOW
22. 8 LOW 5 3 FLOW ALARM 15 SEC ACCESS CODE OFF F3 F1 F2 VER M200NTUBW 8A23E This is the Alarm Setup menu The left side of the screen shows the selections described below The main screen shown above shows the current settings To highlight the different parameteres in the same row use the F key to the left of the row you want to change When a parameter is highlighted with the cursor it can be changed using the aj w keys As soon as you en ter this screen the alarml trippoint is highlighted and can be changed if reguired INTHEEXAMPLE ABOVE Alarm lis setto 0 55 NTU and the alarm state will change above 0 55 NTU The deadband is set to 2 5 Alarm 2 is set to 0 10 NTU and the alarm state will change below 0 10 NTU The deadband is set to 5 0 The Flow Alarm is set to 15 seconds Access Code is off but it is set to F3 Fl F2 ALARM 1 SETUP 10NTU TURBIDITY ALARM 1 By pressing in Alarm Setup menu Turbidity Backwash mem 55HI 25 BAD LOW 5 0 In this menu you can set Alarm 1 Off Low or turn it Hi as shown Use the FLOW Ra E KS Ka keys to change it for your requirements ACCESS E VER M200NTUBW 8A23E E e cas ALARM 1 SETUP By pressing F1 in Alarm Setup again Turbidity Backwash Ata TT TURBIDITY Q 55Hl 25 In this menu you can set the deadband value of Alarm 1 to 2 5 5 or 10 Use the ALARM 2 7 I 919 LOW 5 0 wr keys to change it for your requirements FLOW ALARM 15 SEC AC
23. Backwash Sensor Optional Backwash Sensor IR sensor measures O 100 Transmittance Sensor operating depth 16 psi 32 ft 9 8 m maximum depth Standard cable lengths Sensor to Backwash Interface 30 feet 9 2 m Interface to Analyzer 50 feet 15m Maximum cable lengths Sensor to Backwash Interface 250 feet 76m Interface to Analyzer 1000 feet 305m Backwash Sensor Dimensions 3 Dia x 7 H 75 x 175 mm Backwash Sensor Case NEMA 4X 1 4 OPTIONS Micro 200 BW Printer 120 240V 32 column provides a 4 or 24 hour data printout of station date time high low average NEMA 4X enclosure Includes 10 feet of interconnect cable paper printer roll operating manual Computer Interface Serial Port RS 232 or RS 485 RS 422 Display Languages English French German Spanish Italian or Swedish MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 3 Rev 3 4 1 5 FIGURES Figure No Title Page No 1 Desiccant Fray Installation E 6 2 Analyzer Outline Dimensions essere nennen neret nre tenete tenete 7 3 Turbidity Sensor Outline Dimensions esee enne 7 4 Installation Diagram za acte tert ree e e e OX b Eee ee Ua 8 5 Access Cover Removal eneon ebene do ati diabo a a dea usn dona sa dear RS 9 6 EIER e 9 7 Changing Analyzer Voltage Fuse aa assasssasqpaqskaqakaiikssaskhssksqsqhssqayayasasshasqasa 10 8 Analyzer Rear Cover Removal i 10 9 4 20 mA Isolation Jumper Re
24. CESS CODE Alarm 2 Setup is exactly the same as Alarm 1 Press F2 to change it for your reguirement OFF F3 F1 F2 When a parameter is highlighted with the cursor it can be changed using the Ca Cw keys VER M200NTUBW 8A23E ALARM 1 SETUP Shown is an example of Alarm 1 Setup in Backwash mode The alarm point and a id deadband can be changed to fit your requirements as described above for Turbidity ALARMS 92 0 2 5 19 2 LOW 5 0 FLOW ALARM 15 SEC ACCESS CODE OFF F3 F1 F2 VER 200NTUBE 8A23E MICRO 200 BW 0 10 0 100 NTU 05 05 Page 17 Rev 3 4 3 2 4 Alarm Setup Continued By pressing in Alarm Setup Menu Turbidity Backwash In this menu you can see the Flow Alarm Retention Time which is the time required before the Analyzer willacknowledge the alarm with a blinking FLOW AL error message on the measurement screen This is also the retention time to return to normal operation The retention times aavailable aree 15 sec 90 sec 180 sec or OFF Use the 4 Cw keys to change it for your requirements By pressing FA in Alarm Setup menu Turbidity Backwash In this menu you can set the access ON or OFF Use the 4 W keys to change it for your requirements By pressing in Alarm Setup Menu again In this menu you can set a particular access code so only plant personnel with a need to change system parameters can gain access to the system menus Once one of the three F keys are highlighted use the
25. DING ITS DIVISIONS AFFILIATES AND SUBSIDIARIES SHALL NOT IN ANY EVENT BE LIABLE FOR SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH ITS PUBLICATION LIKEWISE NO STATEMENT MADE HEREIN SHALL BE CONSTRUED AS A PERMISSION OR RECOMMENDATION FOR THE USE OF ANY PRODUCTION IN A MANNER THAT MIGHT INFRINGE EXISTING PATENT Control amp 0501
26. DITY TIME DATE 19 59 MAR 94 1998 SELECT D TO A 4 20MA CURRENT VOLTAGE ADJUST 4 00 20 00 DDD 10 00 COMMUNICATIONS VER M200NTUBW 8A23E This is the Monitor Setup menu The left side of the screen shows the selections described below The main screen shown above shows the current settings To highlight the different parameteres in the same row use the F key to the left ofthe row you want to change When a parameter is highlighted with the cursor it can be changed using the 4 W keys As soon as you enter this screen the hour time increment is highlighted and can be changed to local time if required using the CA Cw keys IN THE EXAMPLE ABOVE The Time Date is set to 10 hours 00 minutes in 24 hour clock mode and the date is set to March 04 1998 The analog output signal Select D to A is set to 4 20mA The Current Voltage Adjust is set to default conditions By pressing F1 in Monitor Setup menu In this menu the minute time increment can be changed to local time if required using the 4 w keys The clock accepts the new time and date when you press rem By pressing F1 again In this menu the month can be changed if required using the lt keys The next menu allows the day to be changed if reguired This screen is not shown By pressing F1 once again In this menu the year can be changed using the 4 Ka keys The complete date is accepted when you press
27. MICRO 200 BW TURBIDIMETER RANGE 0 10 AND 0 100 NTU HF scientific inc 3170 Metro Parkway Ft Myers FL 33916 7597 Phone 239 337 2116 Fax 239 332 7643 www hfscientific com CATALOG NO 21652 05 05 Rev 3 4 FOREWORD HF TURBIDIMETERS HF turbidimeters are manufactured to meet design criteria for nephelometers as described in Standard Methods For Examination of Water and Wastewater HF turbidimeters are approved by the U S EPA as a means to measure the turbidity of potable water waste water and other liguids HF turbidimeters provide a linear display of turbidity throughout all ranges in Nephelometric Turbidity Units NTU HF turbidimeters use solid state electronic components because they resist thermal variation and are not affected by normal line voltage fluctuations HF turbidimeters can be calibrated using HF scientific factory certified Secondary Standards or Formazin Factory calibration is accomplished using HF scientific Secondary Standards which are factory certified traceable to Formazin therefore this instruction manual describes the proper procedures for calibration of HF turbidimeters using Secondary Standards HF turbidimeter manuals are designed to assist the user in taking full advantage of the instrument in a majority of its applications However in the event that unusual circumstances or problems not covered by this manual arise please feel free to contact our local distributor or the manufacturer
28. SENSOR SETUP 10NTU TURBIDITY SENSOR 10NTU TURBIDITY NTU DIGIT SUPPRESS NORMAL CAL FULL SCALE CAL By pressing F1 in Sensor Setup Turbidity Backwash VER M200NTUBW 8A23E In this menu you can choose whether you want to display the Turbidity unit in NTU or BACKWASH Backwash unit to T Use the 4 keys to change it for your requirements T U a Cw ke y q SERACRWASH DIGIT SUPPRESS NORMAL CAL FULL SCALE CAL VER M200NTUBW 8A23E e I SENSOR SETUP By pressing F2 in Sensor Setup menu Turbidity 10NTU TURBIDITY SENSOR 10NTU TURBIDITY NTU In this menu you can suppress or hold the least significant digits to zero Selections of 1 DIGIT SUPPRESS digit 2 digits or none may be selected using the wr key NORMAL CAL FULL SCALE CAL VER M200NTUBW 8A23E ORMAL C By pressing in Sensor Setup menu Turbidity 10NTU TURSIDITY This is the turbidity calibration menu for the 0 10 NTU Range The Cal pointis highlighted CAL POINT 1 2 NTU 237HZ but cannot be changed CAL POINT 2 4 QOOONTU 4114HZ CAL POINT 3 190 00000NTU 97737HZ OFFSET LEVEL 9 0000 VER M200NTUBW 8A23E MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 15 Rev 3 4 3 2 3 Sensor Setup Continued LL i a NORMAL CAL To perform calibration on any cal point move the cursor using the appropriate F key to 10NTU TURBIDITY highlight the Hz column and then push one of the 4 keys CAL POINT 1 ghlig p y 2
29. THROUGH UNIT J neret 25 42 VAPOR PURGE together egene Eed TE EEE AEE AEN A EEEE 26 43 GRAB SAMPLES assis teria ee ede mede pto eie SE ias sesto es das 26 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 MICRO 200 BW TABLE OF CONTENTS CONT 5 0 ROUTINE MAINTENANCE reiner anne AERE E E VERIA IS NER E ko k ese IE 26 5 1 CUVETTE CLEANING 8 CARE u et eet LPS i 26 5 2 LAMP REPLACEMENT 5 32 22 te i o u EE AERE Ee 28 VI CALIBRATION PROCEDURE Secre a L Hectore v o eerta tpe EE EE 28 5 3 1 Calibration Standards iii 28 5 3 1 1 PRIMETIME Standard Set Optional Cat No 19870 28 5 3 1 2 Standard Formazin Solutions enter roer PR RKK KK S PERES esee rennen 28 5 32 Calibration Steps for 0 10 NTU Range orc irme reete ayanta rne oa es bes EIE epe kaya passada 29 33 3 Calibration Steps for 0 100 NTU Range rtt tirer Bein a 29 6 0 SECURITY ACCESS CODE orto eI n in REIR IMS 30 7 0 TROUBLESHOOTING ee eege 31 7 1 GENERAL NOTES eene eee te eee rece eese e Ee eee ous LT Lee ke lee ERR re Pe vo ern 31 72 SPARE PARTS LIST FOR MICRO 200 BW au etate shes a balad e voee io o dns kdes sob nek 32 8 0 OPTIONS et 33 BACKWASH ss sta A entente Rn dan EAV D V SUSE n e ga 33 8 INSTALLATION O billo aaa aaa 33 ol Backwash Interface secet tranne deste te eee u mu teo tue ee deeg dee 33 S 1 2 Junction BOX o ce
30. W ii GAGNAAW0J38 LON SI SNUILISUG xX9000 0 9 A0 XI019 0 el AHL LV dyl V MOTAS G31dO8831ININD 30 3 NOILISOd 520 19 0 8 AO MIO 5 v 3HL 19 Q3ddvl 38 GINOHS 3dld AHL SNDILVTTIVISNI WOIdAL ND JUSNAS OL 31893 AOLINGNOD IL IW v SFIHIO Ad gaang f xoa 1371N0 8JZA IVNV 002 O3IIW ad3M0d LANT Figure 4 Installation Diagram Page 8 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 however replacement of P the desiccant pack will be Sea required from time to time RA ST Zon To determine the condition of the desiccant check the FLOAT included humidity indicator card If required a new sealed desiccant pouch oi and indicator card are avail able from HF scientific inc part 21555R It is essential that all enclosure seals be main tained The emergency drain and o rings that are supplied with each new instrument form part of the instrument humidity seal Inspect these items each time the desiccant pouch is replaced Replace any parts found to be defective Access Cover Removal WARNING Donotrestore power untilthe access cover has been replaced and secured When rout ing the cabling for the following sec tions allow enough excess cable length to Figure 1 swivel the analyzer upside down Note Desiccant Tray Installation that a cable strap is provided on the mounting bracket Refer to figure 6 for suggested cable routing Do not overtighten the four ca
31. XX INCHES xx mm i i Ss 7 21 32 5 7 16 194 138 5 1 8 5 21 32 130 144 p f 1 3 0DIA 76 Figure 20 Backwash Sensor Outline Dimensions TAKES 1 1 2 IN eri BEEN uo iud m f f ig E l Figure 21 Backwash Channel Mounting MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 38 Rev 3 4 SENSOR CABLE TO ANALYZER co PIPE NOT SUPPLIED G poet KIT EXTENSION HANDLE MOUNTING KIT pne INLET BAFFLE i m A i i OUTLET BAFFLE TE H n C T OUTLET BAFFLE INLET BAFFLE TO CONTROL UNIT o FE y BACKWASH TROUGH __ J SE te E ae FILTER BED Figure 22 Backwash Extension Handle Mounting MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 Page 39 8 0 8 6 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 OPTIONS Continued SERIAL INTERFACES SERIAL INTERFACES Each of these options maybe installed by removing the rear cover of the anal
32. Y PARAMETERS BACKWAS BRIGHTNESS 30 UPPER LOWER LIMITS 100 0 TIME BASE 15MIN SIGNAL AVERAGING 65 SEC VER M200NTUBW 8A23E DISPLAY PARAMETERS 10NTU TURBIDITY BRIGHTNESS 30 UPPER LOWER LIMITS 100 DODO TIME BASE 24HR SIGNAL AVERAGING 69 SEC VER M200NTUBW 8A23E 3 2 5 Display Parameters Continued By pressing E3 inside the Display Parameters menu Backwash In this menu the time base which establishes the time increments on the measurement graph can be highlighted but there is only one time base available 15MIN By pressing F4 inside the Display Parameters menu Turbidity Backwash In this menu you can change the Signal Averaging period Normally readings are updated at a rate of once per second A higher averaging time will give smoother curves to the graphical display and to recording devices and helps wash out anomalies Averaging times of 15 sec 30 sec 60 sec or OFF are available Use the 4 wr keys to change it for your requirements MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 20 Rev 3 4 DISPLAY PARAMETERS ACKWASH B BRIGHTNESS 28 UPPER LOWER LIMITS 100 DOD TIME BASE 15MIN SIGNAL AVERAGING 62 SEC VER M200NTUBW 8A23E DISPLAY PARAMETERS 10NTU TURBIDITY BRIGHTNESS 20 UPPER LOWER LIMITS 1 00 DOD TIME BASE 24HR SIGNAL AVERAGING 62 SEC VER M200NTUBW 8A23E 3 2 6 Monitor Setup By Pressing EL from Main Menu MONITOR SETUP 10NTU TURBI
33. Y PARAMETERS menu but not both MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 Page 10 2 4 4 Recorder Voltage Recorder output voltage is selected at the terminal block labeled ANALOG VOLTAGE J6 Only one of these voltages is to be selected at any time Recorder load for each voltage Terminal 1 0 10V Terminal2 0 1V Terminal3 0 100mV Terminal 4 Common 50000 ohms or greater 5000 ohms or greater 500 ohms or greater Twisted pair shielded cable 22 AWG 14 AWG is recommended Tie the shield to the ground terminal the recorder end Do not connect shield to MICRO 200 BW analyzer 2 4 5 Recorder Current A 4 20 mA current output is available The connections are made at the terminal block labeled Analog 4 20 mA J5 Use twisted pair shielded cable 22 AWG 14 AWG with the shield tied to earth ground at the recorder end Do not tieshield to ground at the analyzer The recorder load may be rated from 0 1000 ohms maxi mum Terminal 1 is positive terminal 2 is negative 2 4 6 4 20 mA Isolation Isolation of the 4 20 mA recorder output may be achieved by removing the jumper at J13 This procedure requires removal of the rear cover assembly Refer to figure 8 to remove the rear cover and figure 9 for location of jumper Figure 8 Analyzer Rear Cover Removal tempting to make connections or discon nections from alarm terminal blocks The SENSOR ALARM contacts are provided to indicate tha
34. a Cw keys to change the code to fit your requirements You can set each F key shown as F1 F2 F3 or F4 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 18 Rev 3 4 ALARM 1 SETUP 10NTU TURBIDITY ALARM 1 2 55 HI 2 5 ALARM 2 DAD LOW 5 0 FLOW ALARM 15 SEC ACCESS CODE OFF F3 F1 F2 VER M200NTUBW 8A23E ALARM SETUP 10NTU TURBIDITY ALARM 1 19 OH 5 296 ALARM 2 5 LOW 2 5 FLOW ALARM 15 SEC ACCESS CODE ON F4 Fi F2 VER M200NTUBW 8A23E ALARM SETUP 10NTU TURBIDITY ALARM 1 19 OHI 5 996 ALARM 2 5 0 LOW 2 5 FLOW ALARM 15 SEC ACCESS CODE ON F4 F1 F2 VER M200NTUBW 8A23E 3 2 5 Display Parameters By Pressing ES from Main Menu DISPLAY PARAMETERS 10NTU TURBIDITY BRIGHTNESS 20 UPPER LOWER LIMITS 1 09 DOD TIME BASE 24HR SIGNAL AVERAGING 6 SEC VER M200NTUBW 8A23E This is the Display Parameters menu The left side of the screen shows the selections described below The main screen shown above shows the current settings To highlight the different parameters in the same row use the F key to the left of the row you want to change When a parameter is highlighted with the cursor it can be changed using the 4 W keys As soon as you enter this screen the brightness is highlighted and can be changed if required using the 4 wr keys INTHE EXAMPLE ABOVE The Brightness is set mid scale at 20 units The Upper Lower Limits of the g
35. athing has stopped give artificial respiration Call physician immediately SECTION 6 REACTIVITY DATA Stability Stable Conditions to Avoid Organic matter chlorates active metals Incompatibilities Materials to Avoid Organic matter chlorates active metals Hazardous Decomposition Products Toxic SOx fumes Hazardous Polymerization Will not occur SECTION 7 SAFE HANDLING AND USE Steps to be Taken in Case Material is Released or Spilled Neutralize with soda ash Absorb with paper Waste Disposal Method DISPOSE OF IN ACCORDANCE WITH ALL APPLICABLE FEDERAL STATE AND LOCAL ENVIRONMENTAL REGULATIONS Precautions to be Taken in Handling and Storage Avoid contact with skin eyes and clothing Store tightly closed in a cool dry place Other Precautions Do not open vial to preserve low turbidity of standard SECTION 8 CONTROL MEASURES Respiratory Protection None required in normal use Ventilation General mechanical ventilation satisfactory in normal use Skin Protection Rubber gloves Eye Protection Safety goggles Other Protective Measures None Work Hygenic Practices Wash well if contact occurs NO GUARANTEE IS MADE AS TO THE ACCURACY OF ANY DATA OR STATEMENT CONTAINED HEREIN WHILE THIS MATERIAL IS FURNISHED IN GOOD FAITH NO WARRANTY EXPRESS OR IMPLIED OR MERCHANTABILITY FITNESS OR OTHERWISE IS MADE THIS MATERIAL IS OFFERED ONLY FOR YOUR CONSIDERATION INVESTIGATION AND VERIFICATION AND HF SCIENTIFIC INC INCLU
36. backwash function These settings do not affect previous turbidity alarm settings If either of these alarm contacts are wired to a turbidity control function set that alarm to off to prevent accidental op eration during a backwash Likewise if alarm contacts are wired to a backwash control function set that alarm to off to prevent accidental operation during tur bidity measurement 8 5 BACKWASH REMOTE SWITCHING NOTE This feature adds two attributes to the MICRO 200 analyzer 1 The addition of an analog output either 4 20mA or 0 10V while operating in the back wash mode 2 Theability to switch at a remote location between turbidity and backwash 8 5 1 ELECTRICAL CONNECTIONS 8 5 1 1 Remote Switch Connections are made at the analyzer terminal block J7 labeled MISC INPUTS SIGNAL A dry not pow ered A contact connection between terminals 1 amp 2 is required With an open circuit between these contacts the MICRO 200 will operate normally Closing this circuit while in the turbidity display will cause the instrument to change to the backwash mode 8 5 1 2 Alarms Two sets of user settable alarm contacts are provided plus an additional sensor alarm Separate Alarm set points may be made in either turbidity and backwash modes Keep in mind that when you change modes these contacts are still connected and active unless set to OFF in either of the modes 8 5 1 3 Analog Outputs Analog outputs
37. bidity Units A function that the MICRO 200 BW per forms to check the internal analyzer volt ages Setting the value at which an alarm will occur Selection of the time period used to aver age the display Used to mitigate rapidly changing readings Function used to Set the internal clock of the MICRO 200 BW Set the RS 232 information transfer rate Calibration of the lowest value of water Menu selections offered after selecting an option from the main menu A function that alternates among features or selections The measurement of light reflected by particles suspended in a fluid Date August 3 2004 Revision 10 MATERIAL SAFETY DATA SHEET HF scientific inc 24 Hour Emergency 3170 Metro Parkway Telephone Number Fort Myers FL 33916 7597 CHEMTREC 239 337 2116 1 800 424 9300 Mon Fri 8 00 am 4 30 pm SECTION 1 PRODUCT IDENTIFICATION PRODUCT NAME 100 T STANDARD SOLUTION 0 02 NTU PRIME TIME STANDARD REFERENCE STANDARD 0 02 NTU 250 ML PRIMARY STANDARD and 0 02 NTU 1GALLON PRIMARY STANDARD WATER INCLUDING H20 PRIME TIME STANDARD CATALOG NUMBER HF scientific inc 14246 19199 19323 50047 60002 70908 U S Filter Wallace amp Tiernan AAC1556 AAC6608 CHEMICAL FAMILY Not applicable SYNONYMS None FORMULA Turbidity free water CAS amp 7732 18 5 Preservative SECTION 2 HAZARDOUS INGREDIENTS No hazardous ingredients greater than or egual to 1 No carcinogen greater than or egual
38. emoving the access cover and looking at the fuse cartridge just to the left of the power cord receptacle The voltage printed next to the two triangles that point toward each other indicate the selected voltage To change the input voltage first remove the power cord The fuse cartridge can be removed by prying upwards using a flat blade screw driver in the slot provided Pull the cartridge out invert and then reinsert Refer to figure 7 on page 10 To replace a blown fuse remove the fuse cartridge as in figure 7 on page 10 Replace only the fuse for your selected voltage The triangle on the fuse cartridge points to the fuse for the voltage The correct fuse ratings are 5 x 20 mm 1A fast acting for 120 VAC and 5 x 20mm YA fast acting for 240 VAC A power switch is located to the right of the power cord WARNING If power connection is to be hard wired place each analyzer on a separate circuit breaker or switch to allow for service Observe all local wiring codes z ao soa S 2 25 zuo Su 4s 52 mo 2355 Ses A 077 077 gt un ex gt En w a gt Figure 7 Changing Analyzer Voltage Fuse 2 4 3 D A Outputs Voltage amp Current The full scale range of the recorder outputs both voltage and 4 20 mA is determined by the upper and lower limits selected by the user in the display param eters menu Please note that either 4 20 mA OR voltage may be selected in the DISPLA
39. f the Backwash Interface The cable should first be inserted through the strain relief fitting of the case At 8 3 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 this point the outer jacket of the cable should be stripped back about three inches Care must be used to not nick the wires under the jacket Note that the sensor cable is composed of two pairs of wires Each pair consists of two insulated wires and an uninsulated shield wire wrapped individually in a foil shield The wire pairs are RED amp BLACK and WHITE amp BLACK The foil can be unwrapped and removed while keeping the pairs together The two shield wires should be wrapped together The remaining wires need to have the insula tion stripped back about 14 The sensor cable can now be wired to the appropriate terminal block using care not to transpose the black wires in opposite pairs Make the following connections Terminal 1 White wire white black pair Terminal 2 Black wire Terminal 3 Uninsulated shields Terminal 4 Red wire Terminal 5 Black wire red black pair BACKWASH SENSOR MAINTENANCE Over a period of time contaminants may build up on the flow through glass surface of the sensor This may affect the operation of the sensor The sensor should be cleaned periodically A soft bottle brush can be used with a mild solution of water and detergent followed by a thorough rinsing with water For optimal results clean the sensor each time before calibrating An
40. g line will also help this condition NOTE Since each application is different the amount of back pressure reguired to eliminate bubbles must be determined and modified on site during operation by the customer A plastic shut off clamp is provided on the inlet side of the flow through unit in order to completely stop flow to facilitate changing the cuvette See the section on cuvette cleaning and care for more information The U S EPA recommends that cuvettes used for instru ment calibration standardization or sample measure ment be indexed For quick indexing of the flow through cuvette a rotational flow through assembly with lock ing collar is supplied To index your flow through cuvette slowly rotate the flow head through at least one revolution while observ ing the reading to locate the position of the lowest reading Without moving the flow through press down on it and turn the locking collar until the flow through assembly is securely locked in place See figure 11 Figure 11 Flow Through Cuvette Indexing the desiccant on a quarterly basis or if after cleaning the cuvette readings appear erroneously high to ensure proper operation of the vaporpurge feature It is impor tant to keep a cover on the sample well if the flow through head is out for more than a few minutes to avoid saturating the desiccant uselessly A replace ment desiccant pouch is available from HF scientific or your local representative HF pa
41. horized by HF scientific inc HF scientific inc assumes no liability for conseguential damage of any kind and the original purchaser by placement of any order for the instrument or parts thereof shall be deemed liable for any and all damages incurred by the use or misuse of the instruments or parts thereof by the purchaser its employees or others following receipt thereof Carefully inspect this product for shipping damage if damaged immediately notify the shipping company and arrange an on site inspection HF scientific inc cannot be responsible for damage in shipment and cannot assist with claims without an on site inspection of the damage This warranty is given expressly and in lieu of all other warranties expressed or implied Purchaser agrees that there is no warranty on merchantability and that there are no other warranties expressed or implied No agent is authorized to assume for HF scientific inc any liability except as above set forth HF scientific inc 3170 Metro Parkway Fort Myers Florida 33916 7597 Phone 239 337 2116 Fax 239 332 7643 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 43 Rev 3 4 GLOSSARY Alarms Relay outputs that change when an alarm LCD setpoint has been exceeded Display Backwash A method of measuring the transmission of filter backwash water ia Men Baud Rate of transfer of serial information Z aa NTU Calibrate Electronic adjustment of the instrument to known
42. ided to the alarm relay contacts on the terminal block labeled ALARMS to terminal block labeled SENSOR INTERFACE J8 The cable wire colors are labeled in front of this terminal block NOTE These are fail safe and will revert to an alarm condition should the power be disconnected for any reason 2 5 2 Inserts for Sample amp Drain Lines Plastic inserts not needed with rigid tubing are pro vided with the turbidity sensor and are intended for use with 5 16 OD x 3 16 ID 7 94 mm OD x 4 76 mm ID Refer to the Specifications to ensure that alarm contact flexible plastic tubing as sample and drain lines ratings are not exceeded 3 0 STEP BY STEP OPERATION NOTE ALARM 1 Terminal Block J1 ALARM 2 Terminal Block J2 SENSOR ALARM Terminal Block J3 3 1 THEORY amp HOW IT WORKS The HF scientific inc MICRO 200 BW Turbidimeter is specifically designed to monitor turbidity and back wash water in water filtration plants This is done by providing a linear display of turbidity in Nephelometric Turbidity Units NTU The units FTU and NTU are compatible Optional backwash function is displayed in Percent Transmission T The following are the connections for each of the relay contacts Terminal 1 Normally Closed N C open on alarm Terminal 2 Normally Open N O closed on alarm Terminal 3 Common C WARNING Ensure that all external voltages in excess The MICRO 200 BW is a continuous reading
43. imal Obviously no two units which are on the same host computer port should have the same address If the host computer transmits the ASCII character O decimal 64 followed by the ASCII character address for instance 64 F only the unit assigned address F will respond with its reading This allows data logging for a non dedicated host computer for up to 16 MICRO 200 BW units on only one of its serial ports Both the MICRO 200 BW and the host computer must be set at the same baud rate The host computer requires soft ware to handle the data storage 8 6 1 RS 232C Standard Voltage Mode Interface Catalog 19861 This configuration is the standard serial port format RS 232C It is suitable where the cable length be tween the most remote MICRO 200 BW analyzer and the host computer does not exceed 50 feet 16 4 m Due to it s tri state transmitter design the companion MICRO 200 BW units which are on the same serial port at the host computer may be hubbed or connected eachone to the nextas long as thetotal cable length from each MICRO 200 BW to the host computer does no exceed 50 feet 16 4 m See figure 24 on page 42 TXD Pin 1 Transmitted data out Data to computer Or printer GRD Pin 5 ground digital common RXD Pin 8 received data in data from computer to MICRO 200 BW Please consult HF scientific inc for more detailed instructions 8 6 2 RS 485 Half Duplex Interface Catalog
44. indicating type desiccant can be seen through the glass of the sensor If no leaks are present these beads will be blue If the beads are not blue the sensor must be returned to HF scientific for service 8 3 1 Backwash Calibration This procedure takes place through the Calibration selection from the Utilities Menu Numbers will be displayed on the LCD screen These numbers repre sent frequencies adjusted so that 10KHz is represented as 10096 T The numbers in the top center of the screen show real time frequency and percent transmittance as it is output from the sensor The number to the right of the 100 T is the frequency that was saved from the previous backwash calibration See page 16 Follow this procedure 1 Inspect the glass tube in the backwash sensor Clean the sensor in mild detergent and a soft bottle brush if required 2 Insert the backwash sensor in a container of Rev 3 4 CAUTION Page 34 100 T water preferably the same water which will be used for backwash 3 Press the twice to highlight the Frequency Column Press the CA to perform calibration This is the only cal point necessary for backwash calibration 8 4 BACKWASH ALARMS To use the backwash alarms you must first enter the backwash display and then exit to the main menu Select F2 for alarms The alarms may be set as shown on page 17 Note that the alarms are set in percent transmittance and that these alarm settings are unique to the
45. l sub menu selections Shown below are all function key selections and their purpose Selection Options Fl Changes screen to SENSOR SETUP MENU Select this option to Select sensor type Select unit to display Set digit suppression Three point calibration Adjust Offset Level Full Scale Calibration F2 Changes screen to ALARM SETUP MENU Select this option to Set alarm limit Set alarm mode Select deadband Flow alarm retention time F3 Changes screen to DISPLAY PARAMETERS MENU Select this option to Set screen brightness Set upper lower limits Set time base Set signal averaging F4 Changes screen to MONITOR SETUP MENU Select this option to Set time amp date Select D to A Adjust Current Voltage Set serial port parameters MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 14 Rev 3 4 3 2 3 Sensor Setup By Pressing F1 from Main Menu SENSOR SETUP 10NTU TURBIDITY SENSOR 12NTU TURBIDITY NTU DIGIT SUPPRESS NORMAL CAL FULL SCALE CAL This is the Sensor Setup menu As shown above the cursor is highlighting 10 NTU Turbidity when you enter this menu This parameter can be changed to 100 NTU Turbidity or Backwash Note Backwash only functions if you purchased the optional backwash hardware To highlight the different parameters in the same row use the F key to the left of the row you want to change When a parameter is highlighted with the cursor it can be changed using the w keys
46. lass Sample Container Critical Measuring Fee 3 4 20 mm 5 8 15 mm Figure 13 Critical Measurement Area The sample flow must be shut off with the shut off clamp on the inlet flexible tubing when the cuvette in the flow through unit is to be cleaned or changed see figure 14 Replace the cuvette if scratches or marks in the critical area affect readings Store reusable cuvettes Catalog No 50036 pkg of 3 in a clean dust free environment LAMP REPLACEMENT Periodically the LAMP MODULE Cat 21541 in the sensor will require replacement It is recommended that one spare lamp for each MICRO 200 BW be kept on hand at all times A burned out lamp is indicated by a flashing SENSOR AL indicator on the analyzer display TO CHANGE THE LAMP MODULE SIMPLY TURN THE OUTSIDE LOCKING RING COUNTER CLOCKWISE AND PULL THE MOD ULE STRAIGHT OUT Reverse the procedure to install the replacement module For accurate opera tionacomplete calibration is recommended after a lamp module replacement See page 29 for calibration in structions Refer to figure 14 Rev 3 4 Page 28 Figure 14 Lamp Replacement 5 3 CALIBRATION PROCEDURES 5 3 1 Calibration Standards 5 3 1 1 P RIMEIIME Standard Set optional Catalog No 19820 HF PRIMEIIME Primary Standards are recommended and certified by HF scientific They are more stable than Formazin and have a minimum shelf life of 12 months These standards are very easy to u
47. mmunity testing by ETL testing labs to EN50082 1 including ESD Immunity to IEC 801 2 RF Immunity to IEC 801 3 Transient Burst Immunity to IEC 801 4 EMI EMI tested by ETL testing labs to EN55011 Group 1 Class A RF Emissions to FCC Part 15 Class A by ETL testing labs MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 5 Rev 3 4 2 0 21 2 2 2 3 CAUTION INSTALLATION PACKING LIST FOR THE MICRO 200 BW CONTENTS QUANTITY Instruction Manual 1 MICRO 200 BW Instrument 1 Desiccant Tray Assembly 1 50125A Tubing Kit includes 1 Shutoff clamp Backpressure Valve Connecting tubing with fittings for flow through assembly Drain Vent Screw only required for pressurized system Accessory kit includes 0 02 NTU calibration standard 1 Spare flow through cuvette 1 Light Shield Cap 1 A listing of recommended spare parts appears on page 32 of this manual UNPACKING AND INSPECTION Use extreme care when unpacking your MICRO 200 BW and note that all of the contents are included Check for any damage that may have occurred during shipping If there are any omissions report this immediately to the your local distributor or the Quality Assurance Dept at HF scientific inc If there is any shipping damage notify the shipping company immediately and arrange for a prompt inspection MOUNTING Instrument is not designed for outdoor installation The LCD screen will be dam aged by UV rays Contact facto
48. moval eee eee nennen 10 10 Calibration Standard Indexing ii 25 11 Flow Through Cuvette Indexing teen rrr cene dept dano en cond 26 12 K 27 13 Critical Measurement Area ee iet e e eei ete ER ERES 28 14 Lamp Replacement cases ETT 28 15 Analyzer BNC Connection E 33 16 Backwash Interface Outline Dimensions i 36 17 Backwash Interface Voltage Selection iieiea as 36 18 Junction Box Outline Dimensions corre terret eet eet iii 37 19 Junction Box Wiring Diagram u u en eere etre nnne 37 20 Backwash Sensor Outline Dimensions eene 38 21 Backwash Channel Mounting secs u nes geg d 38 22 Backwash Extension Handle Mounting rea 39 23 Serial Interface Installation sense aaa aa ee 40 24 RS 232 Voltage Connection seo erre ero GE cose 42 25 RS 48I CONNECHON cocos eren repere xerox exeunte xx eene SER RS E 42 26 Meng Cha L a masa O MA EIA Ae 45 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 4 Rev 3 4 1 6 COMPLIANCE TESTING CERTIFICATION The Micro 200 BW has undergone extensive testing therefore HF scientific inc certifies that this instru ment has met the following standards Product Safety US standard tested by ETL testing labs to UL 3111 Canadian Standard tested by ETL to CSA 1010 CE tested by ETL testing labs to EN61010 1 Pollution Degree 2 Installation Category Overvoltage Category HI Immunity I
49. nd the dead band value After this the alarm level must be once again exceeded before the alarm contacts can again close Display will change to the next highest level or previous menu If this button is pushed several times you will always return to the Main Menu This button is also used to return to the turbidity display once you have made your selections J Used to scroll up or down through bw d the values of the selected parameter 3 2 1 Turbidity Display 9 6 3 1 g 7 c C Ei D This is the turbidity display The display shown above is fairly typical The display has the following parameters 1 CURRENT TURBIDITY READING 0 4775 NTU 2 GRAPH TIME BASE 24 HOURS 3 GRAPH UPPER LIMIT 0 60 NTU 4 GRAPH LOWER LIMIT 0 40 NTU 5 ALARM 1 SETTING ALARM ON HIGHER THAN 0 55 NTU 6 ALARM 2 SETTING ALARM ON LOWER THAN 0 10 NTU 7 TIME 10 00 AM SHOWN IN 24 HOUR CLOCK MODE 8 DATE MAR 04 9 GRAPH OF TURBIDITY HISTORY To leave the turbidity display and get to the Main Menu push Mmenu FI F4 are nonfunctional in this display Please note that the graph history shows the average reading taken within the sample period MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 13 Rev 3 4 3 2 2 Main Menu MAIN MENU 10NTU TURBIDITY SENSOR SETUP ALARMS SETUP DISPLAY PARAMETERS MONITOR SETUP VER M200NTUBW 8A23E This is the main menu It is the starting point for al
50. ngth of 350 feet 106 7 meters as measured from the sensor to the backwash interface The junction box is weather tight and may be mounted outside Refer to figure 18 for outline dimensions For wire connections refer to figure 19 Extension cable may be ordered using HF Catalog No 20848 8 1 3 Backwash Sensor There are two standard methods of installing this sensor channel mounting and extension handle mounting Catalog No 50321 Both of these will be described below If alternate methods of mounting are reguired please consult HF scientific inc MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 8 2 Page 33 When choosing an installation site for the sensor there are several things to consider Since filters rarely will backwash consistently or uniformly a site should be chosen that best averages the backwash water over the cycle The sensor should also be located as close to the backwash filter as possible to reduce the time delay of the water sample This will give the operator a correct picture as to how the backwash is proceeding and when it is complete Refer to figure 20 for sensor outline dimen sions 8 1 3 1 Channel Mounting This method can be used when the area above the end of the channel is easily accessible This allows cleaning of the sensor or calibrating by lifting the sensor up by its cable and lowering it back into place when you are finished Since the sensor is not affected by sunlight a light shield
51. of either 4 20 mA or voltage are avail able If you select voltage you may choose 0 10V 0 1V or 0 100mV This analog output will be shared by both modes and will automatically recalibrate to the selected mode 8 5 1 4 Serial Port Optional If a serial port is connected the readings will report in NTU while in the turbidity mode and will report in T while in the backwash mode 8 5 2 OPERATION With the remote switch set to the normal position open the instrument should be calibrated in both turbidity and backwash All parameters such as alarm set points and display limits should be set as described in the O amp M Manual Press menu key to return to the main menu At any time from this point on you may set the remote switch to the backwash position closed and change over to the backwash display While in either mode any operating parameter may be changed by pressing uena and entering the access code Keep in mind that even while in the menus all outputs are still active in which ever mode you were last in CAUTION Keep in mind that when changing modes the alarms the analog output and the serial port if connected will also change modes MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 35 Rev 3 4 O 3 TI Figure 16 Backwash Interface Outline Dimensions
52. onfidential information which is the property of HF scientific inc Unauthorized disclosure distribu tion or copying is prohibited COPYRIGHT O HF SCIENTIFIC INC All rights reserved 3 2 MENU GUIDE TO THE MICRO 200 BW The following pages guide you through the menus in MICRO 200 BW and provide insight on how to use each of them Probably the best way to learn the system is by hands on training After reading this section in its entirety the user should follow through each of the menus on the MICRO 200 BW The user will find that each of the menus is arranged in a logical manner After going through each of the menus once he will gain a familiarity with the structure Each function is clearly labeled A menu flow chart figure 261s provided on page 45 for further clarity The functions of F1 F4 will vary according to the menu The function will be shown beside each button The absence of a function beside a button indicates that the button is not used in that menu Page 12 Turns alarm contacts to OFF Once an alarm condition is met the display will continue to flash until the alarm condition is removed Once the alarm level has been exceeded either Hi or Lo the alarms will reset when the alarm condition has returned to non alarm value including the dead band value Once the alarm button is pushed the alarm relay is inactive until the reading has once again reached a non alarm value keep in mi
53. ptive screws when replacing cover 2 4 ANALYZER CONNECTIONS All connections are reached by removing the access cover Heed all warnings and precautions prior to removal WARNING Before removing access cover disconnect all power from the MICRO 200 BW analyzer 1 Unplug the instrument or 2 Turn off the power at the circuit breaker 3 Remove power to alarm contacts if greater than 30 Extra Cable VAC is connected for external operations Figure 6 Cable Routing To remove the access cover refer to figure 4 2 4 1 Cable amp Cord Interconnecting Cable The standard interconnecting gt cable between the analyzer and the turbidity sensor is 6 an facing you feet 1 83 meters in length Catalog No 20853 This 3 Retighten the two analyzer clamping knobs length may be decreased without affecting instrument 2 Jposendted Gp Ve Screws performance For longercable lengths consult HF scien 5 Remove access cover tific inc 1 Loosen the two analyzer clamping knobs 2 Swivelthe analyzer top forward such that the back WARNING Ensure that power to the analyzer is removed prior to connecting or disconnecting the sensor MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 9 Rev 3 4 2 4 2 Analyzer Power The power cord 120V provided is 6 feet 1 83 meters long The analyzer power requirementis 40 VA ateither 120 VAC or 240 VAC The voltage setting of the analyzer can be determined by r
54. raph on the measurement display are set to1 00 and 0 00 The Time Base of the graph is set to 24 hours Signal Averaging is set to 60 Sec By pressing F2 in Display Parameters menu Turbidity In this menu you can change the upper limit of the display graph from 40 10 NTU to 11 00 NTU You can change the lower limit of the display graph from 0 00 to 10 90 NTU Use the 4 Ka keys to change it for your requirements By pressing F2 again the lower limit of the display graph can be highlighted These two points establish the area of interest for the 4 20 mA or Voltage outputs By pressing F2 in Display Parameters Backwash In this menu you can change the upper limit of the display graph from 100 0 NTU to 1 00 NTU or you can change the lower limit of the display graph from 0 0 to 99 0 Use the keys to change it for your requirements By pressing F2 again the lower limit of the display graph can be highlighted By pressing F inside the Display Parameters menu Turbidity In this menu you can change the Time Base which establishes the time increments on the measurement graph There are two time bases available IHR and 24 HRS Use the WF keys to change it for your requirements MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 19 Rev 3 4 DISPLAY PARAMETERS 10NTU TURBIDITY BRIGHTNESS 30 UPPER LOWER LIMITS LOD DOO TIME BASE 2 4HR SIGNAL AVERAGING 62 SEC VER M200NTUBW 8A23E DISPLA
55. ration frequency for the 10 NTU standard This frequency is displayed in the right hand column 9 Insert the 4 NTU standard 10 Rotate the standard while observing the frequency until the lowest reading is noted 11 Press the F2 key twice to highlight the frequency for Cal Point 2 12 Press the a The freguency at the time of the selection is saved as the calibration freguency for the 4 NTU standard This freguency is displayed in the right hand column 13 Insert the 02 NTU Calibration Standard 14 Rotate the Calibration Standard to its index point If the standard has not been indexed see page 25 15 Press the F1 key twice to highlight the frequency for Cal Point 1 16 Press the a The freguency for the 0 02 NTU standard is saved This freguency is displayed in the right hand column 5 3 3 Calibration Steps 0 100 NTU Range Also See Section IV To meet stated accuracy itis advisable to allow both the analyzer and sensor to come to its optimum operating temperature which can take approximately two hours After this point you can proceed with the following procedure Read these instructions in entirety prior to calibration Select calibration menu then Insert 100 NTU Standard Rotate the standard while observing the frequency until the lowest reading is noted 3 Press the F3 key twice to highlight the frequency for Cal point 3 4 Pressthe a key The Freguency at the time of this selection is saved as
56. ressing Menu About ten seconds are allowed to enter the correct security access code After this time the screen will return to the previous display Security access codes may be entered using the F1 F2 F3 or F4 keys only Your personal code may be recorded and used for general maintenance This code may be changed at any time To record another code goto the ALARM SETUP MENU Press the F4 button to highlight the F key you wish to change Use the a w keys to change the code to fit your requirements To use the access code feature toggle the access code to on Note that the security access code must be any combination of four function buttons F1 through F4 See page 18 Push the button to accept this code menu Rev 3 4 Page 30 7 0 TROUBLESHOOTING 7 1 GENERAL NOTES Service and technical support are available from the manufacturer HF scientific inc from 8 00 AM to 4 00 PM Eastern Standard Time The following Table will supply fundamental troubleshooting information The Guide assumes that the controls and functions of the instrument are used correctly The intention of the guide is to eliminate common faults not to troubleshoot down to component level GUIDE TO FUNDAMENTAL TROUBLESHOOTING SYMPTOM SOLUTION Display not lit 1 Make sure that the unit is plugged in and turned on Make certain that your power source is providing the correct voltage Check analyzer fuse Refer to page 7 for correct fuse size and
57. roblems when performing periodic main tenance The sensor is equipped with a foot valve that opens in case the flow through cuvette ruptures to prevent dam age to the sensor The foot valve drain tube can be connected to a 5 8 15 9 mm tube not supplied to direct the flow of water to a convenient drain Keep the length of this external tube to a minimum CAUTION The foot valve system will handle up to 1 gallon per minute Flow rates higher than this will cause the sensor to flood 2 3 2 1 Installing amp Replacing Pack Desiccant Tray Before operating the Micro 200BW for the first time the replaceable desiccant pouch must be installed Please refer to Figure 1 page 9 while installing for the first time To initially install unscrew the four thumbscrews and remove the electronics half of the sensor Open the bag and remove the dessicant pouch and the indicator card Install these items and replace the top portion of the sensor Proper use of the supplied desiccant is essential in maintaining the performance of the instrument The desiccant pouch is designed to have a long life XX XX INCHES XX 2mm 5 594 142 8 48 215 d 201 HOLE LOCATION FOR MOUNTING BRACKET 8 000 9 5 203 25 320 Figure 2 Analyzer Outline Dimensions 1 4 IN DIA 3 PLACES XX XX INCHES XX mm
58. rtit 21555R See figure 1 on page 6 when replacing the desiccant Remember to dry the flow through cuvette of excess moisture before inserting itinto the optical well This will speed up the evaporation time NOTE If it should become necessary to return the sen sor to the factory you need only return the upper sensor assembly and not the base IF RETURN ING THE BASE THE DESICCANT TRAY SHOULD BE REMOVED AND STORED IN A ZIP LOCK BAG BEFORE SHIPPING 4 3 GRAB SAMPLES Take extreme care when handling any sample cuvettes Surface scratches dust or finger smudges will cause analysis error Examine each cuvette carefully before the sample is drawn and placed in the Optical Well We recommend that the cuvette be wiped clean with a lint free laboratory tissue before the sample is drawn Handle Reference Standard and cuvettes by the top portion only To take a reading of a grab sample 1 Set Averaging to 1 second see page 19 2 Remove the flow through unit and insert grab sample cuvette in Optical Well 3 The turbidity value of the grab sample will now be displayed on the readout Allow at least two updates five to ten seconds for best accuracy before noting the reading NOTE Settling particles or air in the sample may cause the digital reading to hunt For best results take readings before turbid particles settle but 4 2 VAPORPURGE after air bubbles have been allowed to escape The MICRO 200 BW is equipped with
59. ry for avail able enclosures The maximum allowable ambient temperature is 122 F 50 C NOTE Be careful during installation not to violate the MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 moisture integrity of the sensor interface or analyzer housings The analyzer requires ap proximately two hours to reach its final operat ing temperature Further adjustment of the Page 6 LCD brightness may be required during this period 2 3 1 Analyzer The location of the analyzer should be given careful consideration As an example if the MICRO 200 BW is to be used for performing backwash the analyzer must be mounted where it can be viewed at the backwash control station In this example for convenience of maintenance the turbidity sensor should be mounted at the backwash station and have the water plumbed to it The analyzer must be mounted in a location that avoids direct water contact Refer to figure 2 for outline dimen sions Allow enough room for the analyzer to pivot on the mounting bracket upside down to make connec tions After mounting the angle of analyzer may be adjusted for best visibility 2 3 2 Sensor Turbidity For the outline drawing of the turbidity sensor refer to figure 3 on page 7 Allow enough room for easy access to both the flow through unit and the lamp module Avoid mounting the sensor in a location that will put the sensor housing in contact with dripping water as this will present p
60. se off the shelf anytime without preparation making them an ideal turbidity standard A Certificate of Traceability is available on request to HF scientific Customer Service Department Prior to calibration review the expiration dates to ensure that the standards have not expired Order from HF scientific inc NOTE Do not freeze standards Do not leave standards in the measuring well for extended periods Do not shake standards Each PRIMEIIME Primary Standard Kit contains 0 02 Calibration Standard Certified Primary Standards 4 00 10 00 40 00 100 00 NTU Standards are containedin preselected cuvettes with light shield caps A sturdy storage case 5 3 1 2 Standard Formazin Solutions We recommend that this instrument be calibrated on the factory prepared PRIMEIIME primary calibration stan dards to achieve the stated accuracy It is well known that diluted Formazin is unstable If Formazin is used to calibrate the instrument ensure that a fresh stock suspension is used Formazin stock sus pension can be prepared by the user Reference Stan dard Methods For Examination of Water and Wastewa ter or a kit can be purchased from HF scientific inc Catalog No 50040 NOTE When the prepared samples start to flocculate they areunreliable and fresh ones must be made This will occur more rapidly for the lower value diluted suspensions 5 3 2 Calibration Steps 0 10 NTU Range Also See Section IV To meet stated acc
61. sident Full Name MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 DECLARATION OF CONFORMITY Application of Council Directive 73 23 EEC Standard to which Conformity is Declared Product Safety Immunity EMI UL3111 1 EN50082 1 EN55011 Group 1 Class A CSA C22 2 No 1010 1 92 IEC801 2 FCC Part 15 Class A CE EN61010 1 IEC801 3 IEC901 4 Manufacture s Name HF scientific inc Manufacture s Address 3170 Metro Parkway Fort Myers Florida 33916 7597 Importer s Name Importer s Address Type of Eguipment Backwash Sensor and Interface Kit Model No 19276 L the undersigned hereby declare that the eguipment specified above conforms to the above Directive and Standard Place Fort Myers Florida USA Sig Te Robert J Maley President Full Name MICRO 200 BW 0 10 0 100 NTU 05 05 Rev 3 4 MICRO 200 BW TABLE OF CONTENTS 1 0 IMPORTANT INFORMATION eeh Ll u rrr zas REPREHENE lva ou Deren ee 1 Lb HOW TOUSE THIS MANUAL ee tv nad en eet eo tre nies 1 1 2 SPECIAL ENVIRONMENTAL CONSIDERATIONS e eee ognon nennen nennen rennen rennen 1 1 3 SPECIFICATIONS culi une une 2 IE OPTIONS m 3 LS FIGURES uuu 4 1 6 COMPLIANCE TES TING CERTIFICATION sti niit reo rnt e erre bkn rro tp their sea 5 2 0 INSTALLATION NEE 6 21 PACKING LIST OF CONTENTS Ess gu Bes ine Busen E EE eil 6 2 2 UNPACKING AND INSPECTION EE 6 2 35 61 Be RR LEE 6 E WEE 6 23
62. standards Self Test Cursor The LCD pointer indicating which digit or figure will change 3 Set Alarm Cuvette Glass container used to hold the sample to Point be measured It is placed in the optical well of the turbidimeter dei o Average Comm Port Serial RS 232 or RS 485 communications port used for connecting a serial printer to generate hard copies of measurements or Set Time to data logging equipment Dto A Digital to analog conversion Used to pro Set Baud vide 4 20 mA and 0 10 V output signals Rate Digit Up Command indicating an increment or in Standardize crease of the digit selection l sE CE Sub Menu Digit Down Command indicating a decrement or de crease of the digit selection Select Display The set up of information to be displayed Parameters on the LCD display Turbidity Display LCD display screen on the Analyzer Frequency The number of cycles per second hertz of an alternating current signal FTU Formazin Turbidity Units see NTU Host A computer that is used to acquire and Computer collect information from the serial port of one or more MICRO 200 BW analyzers upto 16 through F Hexametadecimal JTU Jackson Turbidity Units MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 44 Rev 3 4 Liquid Crystal Display screen used to view the information available on the MICRO 200 BW The major options for each of the functions accessed by the FUNCTION keys Nephelometric Tur
63. t the source lamp in the sensor module has failed or that the MICRO 200 BW requires routine standardization NOTE For external analyzer connection other than power 14 AWG is the largest wire the connect ing terminals will accept 2 4 8 Cable Mounted Ferrites The interconnect cable has a cable mounted ferrite on it located near the analyzer To maintain the CE rating for EMI this ferrite HF 421140 must be in place when operating the instrument Figure 9 Remove jumper J 13 to establish isolation of the 4 20mA signal Some input output connections that are made to the Micro 200 BW will also reguire the addition of a ferrite to maintain the CE rating for EMI The following connections require the addition of HF 21138 Serial Ports Recorder Output Current 4 20mA Recorder Output Voltage WARNING While the chance is slight there are fault conditions under which a hazardous volt age could be exposed on the analog output wires when the jumper J13 is removed To preclude this possibility HF scientific strongly recommends for personal pro tection that a Ground Fault Circuit Inter rupter GFCD such as LEVITON part number 6599 or 5299 be used at the power connection 2 5 TURBIDITY SENSOR 2 5 1 Interconnect Cable The interconnecting cable from the analyzer is plug connected at the sensor If the interconnecting cable is removed at the analyzer end it should be reconnected 2 4 7 Alarm Contacts Connections are prov
64. tero IRE CoD ERE DROGA PEE rera reor ic DEED P O IAA CO RE RARE A 33 8 1 3 Backw ash SENSOR cientes dau IM 33 8 1 3 1 Channel Mounting tote iet ter ERR HERE FR RE EENEG RATS FER da pad 33 8 1 3 2 Extension Handle Mounting onere Re trito RN bee a 33 82 BACKWASH SENSOR CONNECTIONS uu aasawa i rea ee E SUR ERE Le ERE REEL REEL ae ER dada vod 33 8 3 BACKWASH SENSOR MAINTENANCE e 34 8 3 1 Backwash Calibration essen Er ee Ed Seve Fenda A qasa Etre easet e ER geg 34 8 4 BACKWASHALARMS usa era eee ipei taies er nern ne Pe ve Po ede deae ve duse pee deda need d n es 34 8 3 BACKWASH REMOTE SWITCHING enero rep dt elo eo Spe ee EE Ee 34 8 5 1 Blectrical Connec EE 34 8 9 1 1 Remote SWE eser eer ee e a n 34 831 2 Alam 34 8 5 13 Analog Outputs 2 35 8 9 144 Serial Port Optional E 35 8 3 2 Operation EE 35 SERTALINTERBA CES eee rir e UE EPOD DEREN E EE E NEEN e EE IER DIRE aiar UNIES 40 9 6 SERIAL INTERFACES na ala dete e ete mea ein o oe en idee oreet dete daa pa EU SER a 40 80 1 RS 232 Voltage Mode Interface eier nO HEP IIO etre ORI E RD ads 40 5 02 E at 40 8 6 3 Senol PAM CT he ve RO AND DR RN RR A ADA EE 41 WARRANTY lo 43 GLOSSARY RIE A MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Rev 3 4 1 0 11 1 2 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 IMPORTANT INFORMATION HOW TO USE THIS MANUAL The equipment has been designed for simple and easy operation In keeping
65. th ranges CAUTION Avoid scratching the surface of the cu vette Keep the cuvette surface clean and free of dust A scratched or dirty and dusty cuvette will cause analysis error For instructions See V ROUTINE MAINTENANCE 4 0 ROUTINE OPERATION 4 1 CONTINUOUS MONITORING FLOW THROUGH UNIT The standard flow through unit supplied with the instru ment is designed to operate at pressures up to a maxi mum of 60 p s i 414 kPa or 4 22 kg cm and tempera tures to a maximum of 122 F 50 C fluid temperature Flow rates through the unit can be adjusted from 0 5 gpm 200 ml min to a maximum of approximately 1 5 gpm 5 7 liters minute The speed of sensing turbidity changes will depend on the length of the takeoff line the diameter ofthe takeoff line and the flow rate or velocity through the takeoff line By using a high flow rate and keeping the lines small approximately 3 16 inch 4 8 mm LD and relatively short length the response time is kept to a minimum Consult HF scientific inc when unusually long connections are required Depending on the type of fluid being monitored a pressure drop through the line can cause gas or air to come out of solution and form bubbles which will create errors in the turbidity measurements This can be prevented by creating a slight back pressure on the discharge side of the flow through unit using the backpressure valve Catalog 24008 supplied Increasing the size of the incomin
66. ting membrane switches with tactile feedback Prevents unauthorized access to analyzer Yes Analog Output Isolated Bracketed to 01 NTU 4 20 mA amp 1 1 amp 10 VDC 12 bit resolution D A Alarms 1 system alarm 2 NTU or T alarms Hi Lo and Off Alarm Contact rating Max 250 VAC 5 0 A Operating Temperature 32 to 122 F 0 C to 50 C 4 F to 140 F 20 to 60 C Optical Cleaning for NTU Sensor Removable cuvette 0 5 1 5 gpm 2000 ml min 6 0 L m Positive System Pressure 60 psi maximum 414 kPa or 4 22 kg cm Wetted surfaces Nylon C A B PVC Delrin 500 Borosilicate glass Silicone External prefocused module 6 feet 1 83 m Sensor to analyzer distance 250 feet 76 25 m max Over 50 lengths contact factory Dimensions Analyzer 13 x 11 x 8 330 x 290 x 200 mm NTU Sensor 834 x 934 x 8 225 x 250 x 200 mm NTU Sensor Case NEMA 4X CE Rating Pollution Degree 2 Overvoltage Category III Supply Voltage 120 VAC 10 50 60 Hz 240 VAC 10 50 60 Hz Power Consumption 40 VA EPA approved means that the instrument meets or exceeds the design and performance criteria as specified in the United States Environmental Protection Agency Method 180 1 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 2 Rev 3 4 1 3 SPECIFICATIONS FOR THE MICRO 200 BW CONTINUED Specifications Micro 200 BW Shipping Weight Approximately 15 lbs 6 8 kg Warranty One year from date of shipment
67. uracy it is advisable to allow both the analyzer and sensor to come to its optimum operating temperature which can take approximately two hours After this point you can proceed with the following procedure Standardization should be performed after 10 NTU Full Scale Calibration although it is possible to stan dardize at any time without performing a complete calibration Although it is possible to calibrate at any combination of the calibration points to achieve the stated accuracy use the following procedure Read these instructions in entirety prior to calibration Select Extended Setup menu then 1 Insert 10 NTU Standard 2 Rotate the standard while observing the frequency until the lowest reading is noted NOTE Be prepared for the two least significant digits to move about this is normal 3 Full Scale calibrate the instrument with the 10 NTU Standard by pressing the F2 key to high light Press Up to Calibrate Then press the key 4 Afullscale calibration is performed which adjusts the maximum gain of the instrument The NTU value and frequency are displayed on the lower edge of the screen 5 Press the Vweny key twice to return to the Sensor Setup menu 6 Select F3 Normal Cal 7 Press the F3 key twice to highlight the frequency for Cal Point 3 MICRO 200 BW 0 10 amp 0 100 NTU 05 05 Page 29 Rev 3 4 8 Press the 4 The frequency at the time of the selection is saved as the calib
68. yzer as shown in figure 8 on page 10 and plugging in the interface as shown in figure 23 Figure 23 Serial Interface Installation These options may be used to connect to a serial printer a data logger or as a direct interface to a computer The serial port will report each reading that is seen on the analyzer digital display The protocolis 8 bits no parity 1 stop bit The baud rate is screen selectable The report is in ASCII format and is concluded with a carriage return and line feed As an example if the display of the MICRO 200 BW reads 0 1234 NTU the serial port decimal string would be Decimal 48 46 49 50 51 52 78 84 85 13 12 0 1 2 3 A N T U CR LF ASCII SP Space CR Carriage Return LF Line Feed If the display reads 098 7 96 T the serial port decimal string would be Decimal 48 57 56 46 55 0 37 84 13 12 0 9 8 7 SP 76 T CR LF ASCII Rev 3 4 Page 40 By selecting Printer on via the Main Menu Utility Menu and the COMM Port menu the MICRO 200 BW will transmit each reading in real time This mode is used to drive a printer for raw data collection By selecting Printer Off the MICRO 200 BW will only transmit its reading by command Up to 16 MICRO 200 BW units may be simultaneously connected to one serial port of a host computer An address may be assigned to a particular unit by operating F2 in the Comm Port Menu It will serially cycle through ad dresses 0 through F Hexadec

0-10, 0-100 NTU - Watts Water Technologies

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