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- Page 1 IMGHAKJaCH Instruction 23-9613 Rav. No. 1 Saptambar, 1982 INSTRUCTION MANUAL TLV SNIFFER MOD 000017797 UNITED TECHNOLOGIES BACHARACH B—a^—h iratrumem* 301 Alpha Drive- Pittsburgh, PA 15238 (412) 782-3900...
- Page 2 CONTENTS SECTION 1 DESCRIPTION PURPOSE AND FUNCTIONS....................1-1 . Toxicity Warning Function........ • • •........1*1 PPM Mattr........................1-1 Search Function....................... 1-1 Continuous Self-Monitoring. • •..............1-1 PRINCIPLE OP OPERATION....................1-1 ......................1-2 sensitivitt ranges ACCURACY AND RELIABILITY ..................1-2 PHYSICAL DESCRIPTION....................
- Page 3 In addition to itx primary function of indicating ppm combustible vapor concentrations and toxicity levels, an ultrasensitive "search1' rsnga of from 1 to 100 ppm makes the TLV Sniffer especially useful for locating hard-to- find gas leaks* A hand-held probe attached to the instrument can be moved...
- Page 4 TLV Sniffer MOdelq The TLV Sniffer is available as a standard model 00 23-73 50, for use in areas known to be free of combustible gases and vapors, or as an intrinsically safs model 0023-7356, for use in hasardous areas designated Class I, Divisions 1 or 2 by the Rational Electrical Code.
- Page 5 A recorder (range: 0—100 mv; impedance: 10,000 ohms or greeter) may be connected to the TLV Sniffer for use if variations in combustible gee levels are to be recorded for study or legal data* Recording is more suitable for the PPM Z 100 end PPM Z 10 mode ranges* The ultrasensitive PPM Z 1 "search"...
- Page 6 Alarm Fnggar pons Adjuster (R21) 200 Gain 20 Gain 2 Gain Adjuster (H2) Mods Zaro Coarsa Adjust (H27) Fisa Zaro Adjust (R26) Adjuster Jor intrinsically modal also.) Voltaga Adjuster (B20) Ofteat Adjuster (3.12) -Ci> Figurs TLV Circuitry Adjustment Potentiometer Locations*...
- Page 7 In fresh air* set ZERO ADJUST knob at midpoint (five full turns from either extreme position)* If fresh air is not available* use Bacharach Rit #51-7199 to apply known pure air to the Sniffer intake (instructions in kit)*...
- Page 8 » Figure 2-2. Calibration Gas Transfer Assembly Properly Hooked Up.
- Page 9 Figure 2-3. Locating, and adjusting 1-13 on PFMX100 position for actor pointer indication of scale zero. Turn HODS 3SLSCT svitch to PFMX10 position. Then, turn the FINS ZERO ADJUST until aeter pointer indicates full scale 1000 ppm. Turn MODE SELECT svitch to PFHX100 position and adjust 14 the X100 Span Adjuster until aeter pointer indicates (10) or 1000 ppm.
- Page 10 SBTTOTG RXCORDINC LEVEL If recorder (range: 0-100 nr; impedance: 10,000 ohms or greater) is to be used, attach accessory recorder jack to RECORDER plus la right side of instrument case and set recording level as follows: Set HODS SELECTOR knob to PPM X 100 or PPM X 10 as desired and apply combustible gas to instrument intake* Turn RECORDER potentiometer adjustment screw until accessory recorder response corresponds with meter readings as desired.
- Page 11 « Readings for Other Gases Hexane gaa is commonly used for factory calibration and subsequent in- service recalibrationa of the TLV Sniffer* To determine ppm concentrations of gases other Chen hexane with instruments calibrated for hexane, multiply the ppm meter reading by the factor for the gaa detected as listed in the...
- Page 12 (X L.K.L.) from direct ppm readings for hexane or from calculated ppm concentration levels for other gases: Read ppm on TLV Sniffer indicating meter. - On O-to-10,0001 "PPM CONCENTRATION IN SAMPLE* horizontal scale at bottom of X T-B.L. Conversion Chart, Figure 3*2, locate position left-to*right representing ppm reading.
- Page 13 SECTION ± MAINTENANCE AND REPAIRS SYMPTOMS AND REMEDIES Gradual exhaustion of the detector element, eventual wearing of air-sample pump parts, battery recharging or replacement, etc*, require an amount of maintenance and repair vorfc over an extended period of time* The following table describes symptoms, possible causes, and remedial actions relating to conditions requiring maintenance and repairs.
- Page 14 4*1 ( cantinued) table POSSIBLE CAUSE SYMPTOM hjehedt Wait approximately 45 Ho audible alarm in Oparation of 45-second seconds for delay period presence of strong delay circuit aftar 1CSS ggT.gflTnP coneracratioa o£ to «spir«* combustible gas* control to oparate instrument • Improper sotting of Reset alaxm to desired level*...
- Page 15 Replacing Batteries Replace batteries, if accessary, aa follows: &oov« Can screws used eo hold cower Co case and remove cower* Standard model: Remove two battery aaaaebliee (three batteries in each of two cardboard tubes) from spring clips in back of case. Intrinsically safe model: Replace entire sealed battery pack* following steps 3 and 4 do not apply*...
- Page 16 r Intrinsically Safa / Modal 1.8. (Intrinsically safe) Battery Pack 0023-7364 MINIATURE PUMP ASSEMBLY TUBING, 1/4 0023-4401 314-070-00 Standard Modoli 0 Nl-Cad Colls In Tubas SPEAKER & VIBRATION 0023-4160 ISOLATING RECEPTACLE 0023-4461 1/4-TURN FASTENER: TERMINAL RETAINER 0002-BOt &• BLOCK STUD 0002-8060 0104-0606 REACTION CIIAM 0023-4635...
- Page 17 BgPTACgMEHT PARTS LIST 0023-73561 TIT SHITFSR ^Standard Modal 0023-7350_L Intrinsically Safe Mod.< STOCK NO* ITKM 0051-7199 Calibration Kit 0003- 6152 Connector, tubing 0023-4454 Cora, Instrument 3600-3100 Dry Coll (alternate to Hi-Cad Call; 6 required) 0023-06 0 5 Zarphona 3000-8090 Elenant, Detector 0023-7341 Filter, In-line Dost and Moisture Trap 3300-7000...
- Page 18 Bacharach's reasonable satisfaction to have been defective; provided Chat written notice of the defect shall have been given by Buyer to Bacharach within one (1) year after the date of delivery of this product by Bacharach. Bacharach warrants to Buyer that it will convey good title to this Product.
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