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Arizona Jerome 631-X - page 1
JEROME ® 631-X ™ HYDROGEN SULFIDE ANALYZER Operation Manual January 2003 Arizona Instrument LLC 1912 W 4 th Street Tempe, AZ 85281 (800) 528-7411 (602) 470-1414 Fax (480) 804-0656 http://www.azic.com email: azi@azic.com - General intl@azic.com - International support@azic.com - Customer Support 700-0037-A ...
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Arizona Jerome 631-X - page 2
JEROME 631-X Hydrogen Sulfide Analyzer Operation Manual PROPRIETARY RIGHTS NOTICE This manual contains valuable information and m a terial developed by Ariz ona Instrument LLC for use with the Jerome 631-X Hydrogen Sulfide Analyzer . No part of this manual can be reproduced or transmitted in any f orm or by any means, electronic, mechanica l or oth ...
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Arizona Jerome 631-X - page 3
Table of Contents 1. FOR THOSE WHO CAN'T READ TH E WHOLE MANU AL NOW ................................................................. 4 2. INTRODUC TION ................................................................................................................... ................................. 6 3. PRINCIPLE OF O PERATION ............ ...
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Arizona Jerome 631-X - page 4
1. FOR THOSE WHO CAN'T RE AD THE WHOLE MANUAL NOW This manual contains details that will optimize th e results and the life of your instrument. Read and refer to the manual for complete detail s on operation, m aintena nce and troubleshooting, special voltage input s and data output. The Jerome 631-X is easy to operate and r eady for use upon ...
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Arizona Jerome 631-X - page 5
• Check the voltage setting (110 or 220 VAC) on the back of the instrument. Ensure that it is se t to the correct voltage. If the pointer is not aligned to the loca l voltage, turn the selector to point to the correct voltage. • Perform a sensor regeneration by following these steps: Connect the line cord between the connector on the back o ...
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Arizona Jerome 631-X - page 6
2. INTRODUCTION The Jerome 631-X Hydrogen Sulfide Analyzer is an ambient air analyzer with a range of 0.003 ppm to 50 ppm (parts pe r million). CAUTION: The Jerome 631-X is for vapor use only. DO NOT allow the probe or the instrument's intake to be exposed to any liquid, dust or other foreign material. The 631-X is designed to be easy to opera ...
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Arizona Jerome 631-X - page 7
Applications • Ambient air analysis • Odor nuisance monitoring • Regulatory compliance • Control room corrosion monitoring • Quality control • Scrubber efficiency testing • Accuracy check for other hydrogen sulf ide monitors and control system s • Hydrogen sulfide source detection • Leak detection • The Jerome 631-X can be opera ...
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Arizona Jerome 631-X - page 8
Zero Air Filter The Zero Air Filter removes mercury vapor, mercaptans, and hydrogen sulfide from the air sample. Readings with the filter installed should be near zero. Because air that is cooler than the instrum ent will cause low readings and warmer air will cause higher readings, the Zero Air Filter should be us ed to equilibrate the unit to amb ...
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Arizona Jerome 631-X - page 9
AZI Customer Service 800-528 -7411 or 602-470-141 4 Page 9 of 50 ...
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Arizona Jerome 631-X - page 10
4. INSTRUMENT OPERATION LCD Codes LCD CODE EXPLANATION 000 Ready to sample .000 No hydrogen sulfide reading .8.8.8 Sensor saturated-regenerati on needed (refer to page 12) .H.H.H Sensor regeneration in progress (.H.H.H flashes) .L.L.L Re-zero needed (refer to page 13) .P.P.P Power cord required or low line power, <100 VAC (or 200 VAC) (see pages ...
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Arizona Jerome 631-X - page 11
Daily Operations Before each day's use of the Jerome 631-X, perform the following steps to verify proper instrument operation: • Press the power ON button. The digital meter displays 000. (Disregard the digital meter's initia l momentary reading.) Recharge or replace the batte ry pack if the LO BAT indi cator REMAINS ON. Ref ...
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Arizona Jerome 631-X - page 12
Sensor Regeneration Sensor regeneration is needed to clear the 631- X sensor of any accumulated hydrog en sulfide. This simple procedure should be done: • At the beginning of the day on which the instrument is to be used. • During the day when the sensor becomes saturated. • At the end of the day before storing the instrument. CAUTION: Ensure ...
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Arizona Jerome 631-X - page 13
Zero Adjust • To ensure air entering the instru ment is clean, install the aero air filter in the instrument’s intake and sample until the readings stabiliz e. • While pressing the ZERO button, turn the ZERO ADJUST potentiometer (shown at right) using the trimmer tool until the digital meter reads 0. If the LCD reads H, turn the ZERO ADJU ...
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Arizona Jerome 631-X - page 14
Sample Mode This is the standard operation mode and is used f or optimum accuracy. • Press the power ON button. The LCD displays 000. Disregard the LCD's initial m omentary readings. Recharge or replace the batte ry pack if the LO BAT indi cator REMAINS ON, see page 17 and/or page 21 if necessary. • Allow a 1-minute warm up bef ...
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Arizona Jerome 631-X - page 15
Survey Mode The survey mode takes samples every 3 to 20 se conds automatically. The length of tim e varies with the hydrogen sulfide concentration. Use this mode to locate the source of hydrogen sulfide, such as a leak, a hot spot, or to assess areas of potentially high hydrogen sulfide concentrations. After the survey mode is activat ed, the 631-X ...
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Arizona Jerome 631-X - page 16
Operating on AC Power or Generator • For stationary use, the 631- X may be operated on AC power. Operating the instrument on AC power at all times elim inates the need for the battery pack and its necessary maintenance. The battery may be unplugged or removed co mpletely whenever the instrument is operating on AC power. • When a generat ...
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Arizona Jerome 631-X - page 17
Charging Batteries • Press the power OFF button. • Connect the AC power cord between the 631-X power receptacle and an AC power source. Complete battery rech arging takes 14 hours. The 631-X contains a trickle charger so it ma y be continually plugge d into an AC power source without damaging the battery pack. • The battery pack may b ...
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Arizona Jerome 631-X - page 18
5. MAINTENANCE Preventive Maintenance Calendar To keep the Jerome 631-X operating at peak perf ormance, follow the maintenance schedule below as a guide. Since maintenance is more a function of application and amount of use rather than time, your requirements m ay be different from the listed schedule. Call AZI Customer Service at 800-528-7411, 602 ...
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Arizona Jerome 631-X - page 19
Flow System The Jerome 631-X's flow system is the crucial li nk between the sensor and the sample. For the instrument to perform correctly, the flow syst em must be properly m aintained. The user maintainable components of this system are the intake filter (.25 inch fritware), two scrubber filters and connecting tubing. Check the Preventive Ma ...
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Arizona Jerome 631-X - page 20
Internal Filters • Replace the internal filters after six (6) months of use, or as n eeded. • Press the power OFF button and unplug the power cord. • Remove the two (2) side screws from the inta ke end of the instrument and open the case. • Carefully disconnect the Tygon tubing from both ends of the filters and discard the old filters. CAUT ...
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Arizona Jerome 631-X - page 21
Replacing the Battery Pack • Press the power OFF button. • Unplug the power cord. • Remove the two (2) side screws from the intake end of the instrument and open the case lid. • Disconnect the battery connector from the board. • Loosen the two (2) captive screws holding the battery bracket and remove the bracket. • Remove the old batter ...
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Arizona Jerome 631-X - page 22
Changing the Fuse If the instrument display reads .P.P.P when the instrument is connected to AC power or when REGEN is pressed, or if the batt ery will not charge, the fuse may need to be replaced. The AC line power could also be less th an 100 VAC (220 VAC). Check the fuse with an ohmmeter and the AC line power with a voltage meter. • Locate the ...
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Arizona Jerome 631-X - page 23
6. CALIBRATION The Jerome 631-X's gold film sensor is inherently stable and does not requir e frequent calibration. The interval between cali brations depends upon the application and frequency of use; however, the recommended interval is every 12 months. The Jerome 631-X has been factory calibrated using laboratory equipment containing NIST t ...
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Arizona Jerome 631-X - page 24
7. 631-X TROUBLESHOOTING Symptom Possible Cause Solution Power Problems Unit does not turn ON. Unit turns on when power cord is plugged in. LCD displays 000 when instrument is operating on AC power. Discharged battery or Dead battery. Recharge battery for a minimum of 14 hours. Refer to page 17. Replace battery. Refer to page 21. Unit does not turn ...
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Arizona Jerome 631-X - page 25
Sampling Problems Airflow is restricted during the sensor regeneration cycle, causing possible permanent damage. Kinks and crimps in the Tygon tubing. Periodically check the Tygon tubing inside the instrument. Refer to page 20. High erratic results. In ternal hydrogen sulfide contamination. 1. Install zero air filter in intake and tighten intake nu ...
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Arizona Jerome 631-X - page 26
Miscellaneous Problems Display reads .P.P.P when regeneration is attempted. Power cord not attached. Blown fuse. Line voltage less than 100 VAC (or less than 200 VAC for 220 unit). Cycles dipswitch set incorrectly. Check power cord for connection Replace fuse. Refer to page 22. Check line voltage settings. Refer to page 21. Check input cycle settin ...
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Arizona Jerome 631-X - page 27
8. JEROME 631-X TECHNIC AL SPECIFICATIONS Range 0.003ppm (3ppb) to 50ppm H 2 S in four graduated ranges Sensitivity 0.003ppm H 2 S Precision 5% relative standard deviation Accuracy Range 0: " 0.003ppm at 0.050ppm H 2 S Range 1: " 0.03ppm at 0.50ppm H 2 S Range 2: " 0.3ppm at 5.0ppm H 2 S Range 3: " 2ppm at 25ppm H 2 S Response t ...
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Arizona Jerome 631-X - page 28
Optional Communications Capability Alarm output 30V DC, 100mA Data output 1. RS-232 Serial, Baud Rate 1200 for use with data logger, and/or Jerome communication program . 2. RS-232 Serial data format with 0 & 20mA current logic levels; Baud Rate 1200 (special industrial applications) and Analog 20 mA output. "OPTION BOARD" - See APPEN ...
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Arizona Jerome 631-X - page 29
• Alarm output Maximum voltage 30 VDC Maximum current 100mAmp Pin assignments: Pin 9 Switched battery (+) Pin 10 Alarm output (open collector, active low) Pin 7 Battery ground (-) Pin 23 Battery ground (-) • Switched battery connection for data logger Pin assignments: Pin 9 Battery (+) Pin 7 Battery ground (-) Pin 23 Battery gro ...
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Arizona Jerome 631-X - page 30
9. ACCESSORIES & MAINTENANCE PARTS PART # ITEM DESCRIPTION Y631 0901 631 Accessory Kit (See pictures beginning on page 32) 1400 2002 Probe 1400 3010 Tubing Adapter, 1/4” to 1/8” 2300 0001 Trimmer Tool 2600 3039 .25 Fritware 6000 4003 Line Cord, 115 VAC - USA and Canada Alt. 200-0003 Line Cord, 220-240 VAC - England Alt. 200-0008 Line Cord, ...
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Arizona Jerome 631-X - page 31
Y6100 0057 Jerome Data Logger Includes the Jerome Data Logger and JCI Software Kit. Y6100 0054 Jerome Communication Software Kit Y411 0904 Hard Side Carry Case Includes a molded case with die cut foam rubber inserts to hold the Jerome 631-X and accessories. AZI Customer Service 800-528 -7411 or 602-470-141 4 Page 31 of 50 ...
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Arizona Jerome 631-X - page 32
1400 0052 Soft Field Carrying Case Hand/shoulder case with pockets for accessories. Spare Parts 1400 2002 Probe 2300 0001 Trimmer 1300 0031 1/8 x 3/16 reducer Z4000 0907 Battery Pack Assembly Z2600 3933 LFS scrubber filter Z2600 3934 LFD scrubber filter Z2600 3930 Scrubber filter Z2600 3905 Zero air filter 1400 3010 Tubing adapter Page 32 of 50 AZI ...
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Arizona Jerome 631-X - page 33
Y26003945 Intake Kit PS 151 Tube Nut 2600 3039 .25 inch fritware 2500 3001 Tygon tubing 1/8" I.D. (1 foot) 2500 3002 Tygon tubing 1/16" I.D. (1 foot) 4000 1011 115 VAC IDC battery charger Used to charge an uninstalled battery AZI Customer Service 800-528 -7411 or 602-470-141 4 Page 33 of 50 ...
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Arizona Jerome 631-X - page 34
4000 1012 230 VAC IDC battery charger Used to charge an uninstalled battery 6000 4003 100-120 VAC Line Cord Alternate – 200-0003 220-240 VAC Line Cord for England Alternate – 200-0008 220-240 VAC Line Cord for Europe Page 34 of 50 AZI Customer Service 800-528 -7411 or 602-470-141 4 ...
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Arizona Jerome 631-X - page 35
5100 1012 Spare Fuse 6000 1055 JeromeCommunication Interface Cable 6000 1045 Adaptor, RS-232, 9M/25F For current prices and delivery informat ion, call AZI Customer Service at (800) 528-7411 or (602) 470-1414. 10. Factory Calibration Service Service includes filter re placement, com ponent testing, and in strument calibration to N IST traceable sta ...
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Arizona Jerome 631-X - page 36
11. APPENDIX A - 631-X FUNCTIONAL TEST MODULE The Jerome Hydrogen Sulfide Functional Test Module provides a fast and easy method of verifying that Jerome 631-X Hydrogen Sulfid e Analyzers are within specifications. The Functional Test Mo dule is beneficial: • In applications where frequent verification of functionality is required, such as ISO 90 ...
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Arizona Jerome 631-X - page 37
12. APPENDIX B - JEROME COMMUNICATIONS SOFTWARE The Jerome Communications Software (JCS) is used with 631-X Hydrogen Sulfide Analyzers that feature the communications configuration option. • The JCS allows the user to program the in strument for unattended m onitoring and to download recorded data stored in the Jerome data logger. • Automatic s ...
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Arizona Jerome 631-X - page 38
JCI Kit Contents • One disk containing the Jero me Communication Software • Jerome Communication Interface Cable, AZI P/N 6000 1055 • Cable Adaptor, SR-232, 9M/25F, AZI P/N 6000 1045 • User’s manual System Requirements • Instrument: Jerome 631-X with the comm unicat ions option. These Jerome instruments have a DB-25 connector and relate ...
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Arizona Jerome 631-X - page 39
13. APPENDIX C - INTERNAL DIP SWITCH SETTINGS The DIP switch identified as SW 2 on the 631-X control board is located at the top center of the board. CAUTION: Switch the instrument’s power to OFF before opening the instrument and changing DIP switch settings. DIP Switch Settings: Switch # Position Function Comment 1 ON AUTORANGE DISABLED (SEE DIP ...
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Arizona Jerome 631-X - page 40
14. APPENDIX D - JERO ME 631-X OPTION BOARD Proper use of this board requires that the base in strum ent be fully functional and set corre ctly for the intended operation. Auto-Zero With the option board installed, the 631-X has a lim ited auto-zer o function. This function cannot be disabled and is transparent to the user. The instrument can be ma ...
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Arizona Jerome 631-X - page 41
• In some cases, the instrument cannot resum e sampling after regeneration. .L.L.L appears on the display when the ZERO button is pressed and the error message “manual bridge adjust needed” is added to the notes column of the JCS text file when the JCS is used. If this problem persists, it may be necessary to re-set the auto-zero. • When ne ...
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Arizona Jerome 631-X - page 42
Auto-Sample If a data logger is connected and operating in th e manual sampling m ode or a data logger is not connected the following automatic sampling ra tes may be selected with SW 100 dip switch settings: Dip switch settings 3 4 5 Sampling frequency ON ON ON No automatic sampling OFF ON ON 5 minutes OFF OFF ON 15 minutes OFF ON OFF 30 minutes O ...
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Arizona Jerome 631-X - page 43
Jerome 631-X instruments shipped after early 1995, are capable of pr oviding 0-2 volts analog output. Instruments shipped before that tim e can be upgraded by a firmware update and adjustment. Instruments that are capable of 0-2 volt output can be upgraded to the 4-20 mA output with the addition of an option board upgrade. This must be installed at ...
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Arizona Jerome 631-X - page 44
• The 4-20 mA passive receive rs must not contain a voltage source to power the loop current. They do require the addition of a separate isolated power supply. Typically a supply that delivers 15 to 20 volts DC at 50 mA is sufficient. Wire these as in Figure 3. Note that some 12-volt DC wall transformers (as used on portable equipment) m ay deliv ...
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Arizona Jerome 631-X - page 45
Fresh Air Solenoid An external three-way solenoid ca n be used to provide fresh air or conditioned air during sensor regeneration. This may be necessary if the sa m ple stream lacks m olecular oxygen. A low current six volt DC solenoid, connected betw een pins 19 and 11 of the 25 pin rear panel connector, will be energized during the regeneration c ...
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Arizona Jerome 631-X - page 46
DC Power Op eration Instruments with the 631-X opti on board modification can be used with any +12 VDC source for continuous operation, if the AZI Power Inverter Kit, P/N Y031 0902 is installed along with the option board. To preserve the life of the DC power source, usually a car or truck battery, the power inverter will switch on au tomatically t ...
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Arizona Jerome 631-X - page 47
Ensure that the inverter’s power switch is in the “OFF” position. LEAVE the power switch in the “OFF” position at all times. The interface board w ill ac tivate the inverter when necess ary. If the inverter power switch is placed in the “ON” position, it will cause a continuous drain on the external 12-volt power system. • Remove th ...
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Arizona Jerome 631-X - page 48
15. APPENDIX E: CALCULAT ION OF DYNACALIBRATOR H 2 S CONCENTRATION UNIT DEFINITIONS mole / 6.02 @ 10 23 molecules 9 10 g m (ngm) nanogram = PPM v / 10 -6 CALCULATIONS ume volume/vol 2 PPM rate) flow gas (total S) H of weight (molecular rate) permeation (tube C) o 25 @ ume (molar vol = ∗ v PPM 0.512 min ml 7138 min ngm 5090 mole gm 07 . 34 mole lt ...
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Arizona Jerome 631-X - page 49
16. WARRANTY Arizona Instrument LLC (seller) wa rrants to buyer that Jerome produc ts delivered pursuant to this agreement shall, at the time of delivery, and for a period of one (1) year. Th ereafter (the Internal Battery Pack, where applicable, is warranted for a pe riod of ninety [90] days only), to be free from defects in material or workmanshi ...
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Arizona Jerome 631-X - page 50
Page 50 of 50 AZI Customer Service 800-528 -7411 or 602-470-1414 TRADEMARK AND COPYRIGHT PROTECTION Jerome Instrument, Arizona Instrument, AZI and the sty lized AZI are all regi stered trademarks of Arizona Instrument LLC. Copyright 1990-2003, Arizona Instrume nt LLC. All Rights Reserved. Resisorb™ is a registered trademark of J.T. Baker Chemical ...
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