User Manual - Bacharach, Inc.
Contents
1. Registered Trademark of Bacharach Inc2. both in the same metering tube Take readings on the glass 4 float when both are within the range of measurement take readings on the metal float when the glass float reaches the top of the tube Useful ranges are 10 approximately 0 04 to 0 4 for the glass float and 0 2 to 1 1 for the metal float When taking readings observe the FLOWMETER graduation corresponding to the bottom of the ball float Find the gas concentration corresponding to this reading by looking at the calibration chart on the inside of the front cover This chart has been drawn to give the percent gas concentration over the useful ranges for natural gas with a specific gravity of 0 620 relative to air Concentrations of gases of other densities may be read using the correction factors shown on the graph below the calibration chart d Instruction 0023 9125 Page 5 ODOROMETER ODOROMETER ioe Gas Calibration Chart A ied beet pe o0 He ott 80 a Zz 70 T eo E x FHH HE S 5 AH F eJl J o AOC ae aon S a AO ase 9 P y A HEE EEEE L 20 PPT EEE EE EEE EE ett teeter yt EE 10 SSS TE TEEEELELELLELLELLLLLLLL oLLILTIT TIT ttt Jiili 0 01 02 03 04 05 06 07 08 09 10 11 1 2 Gas in Odorometer Effluent For Natural Gas Specific Gravity 0 620 Read Bottom of Ball in Rotameter RRECTION CHART When testing gases other than 0 620 specific gravity multiply the above Gas value by th
3. the reading of the built in milliammeter Because there are slight differences in the three models the older models will be referred to in Appendix A which only needs to be referenced when using one of these older models 3 OPERATING INSTRUCTIONS 1 Make sure batteries are in place See Appendix A for AC models 2 The gas supply should be connected to the inlet fitting on the front panel and pressure should be below 5 psig Connection should be made with aluminum or plastic tubing only do not use copper or rubber as these tend to remove odorant compounds A 6 foot length of suitable plastic tubing is supplied with the instrument Where possible tests should be run in an odor and draft free area Set the instrument on a level bench or desk Swing the handle down and the top cover open Switch the unit ON clockwise The green POWER LED should light see Appendix A for older models Instruction 0023 9125 Page 3 ODOROMETER NOTE Ifthe LED goes out after a few seconds replace the batteries 5 The GAS INLET NEEDLE VALVE is located in the center of the panel Open the valve slowly while sniffing the air being discharged from the SNIFFER FUNNEL opening in the top of case 6 The observer must be careful to hold his nose within one inch of the SNIFFING FUNNEL to avoid dilution with the surrounding air placing the upper lip on the handle will allow the nose to be centered about one inch above the SNIFFING FUNNEL 7 Od
4. ODOROMETER Portable Gas Odorant Tester Part Number 5110 0200 The Measurable Difference Operation and Maintenance Manual Instruction P N 0023 9125 Rev 18 September 2015 2 S rm MADE IN USA s WARNING Because this instrument is used to detect and monitor materials and conditions which are listed by OSHA or others as potentially hazardous to personnel and property the information in this manual must be fully understood and utilized to ensure that the instrument is operating properly and is both used and maintained in the proper manner by qualified personnel An instrument that is not properly calibrated operated and maintained by qualified personnel is likely to provide erroneous information which could prevent user awareness of a potentially hazardous situation for the instrument user other personnel and property If after reading the information in this manual the user has questions regarding the operation application or maintenance of the instrument Supervisory or training assistance should be obtained before use Factory assistance is available by calling 724 334 5000 World Headquarters 621 Hunt Valley Circle New Kensington PA 15068 Ph 724 334 5000 Fax 724 334 5001 Toll Free 800 736 4666 Website www mybacharach com E mail help mybacharach com ODOROMETER WARRANTY BACHARACH Inc warrants to Buyer that at the time of delivery this Product will be free from defects in material
5. and manufacture and will conform substantially to BACHARACH Inc s applicable specifications BACHARACH s liability and Buyer s remedy under this warranty are limited to the repair or replacement at BACHARACH s option of this Product or parts thereof returned to Seller at the factory of manufacture and shown to BACHARACH Inc s reasonable satisfaction to have been defective provided that written notice of the defect shall have been given by Buyer to BACHARACH Inc within one 1 year after the date of Delivery of this product by BACHARACH Inc BACHARACH Inc warrants to Buyer that it will convey good title to this Product Bacharach s liability and Buyer s remedy under this warranty of title are limited to the removal of any title defects or at the election of Bacharach to the replacement of this Product or parts thereof that are defective in title The warranty set forth in paragraph 1 does not apply to parts the Operating Instructions designate as having a limited shelf life or as being expended in normal use THE FOREGOING WARRANTIES ARE EXCLUSIVE AND ARE GIVEN AND ACCEPTED IN LIEU OF i ANY AND ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ii ANY OBLIGATION LIABILITY RIGHT CLAIM OR REMEDY IN CONTRACT OR TORT WHETHER OR NOT ARISING FROM BACHARACH S NEGLIGENCE ACTUAL OR IMPLIED The remedies of the Buyer shall be l
6. arged from a glass SNIFFING FUNNEL through an opening in the top of the case where the operator can sniff it conveniently for the presence of detectable odor The gas to be tested is supplied to the instrument under its own pressure and metered by a FLOWMETER also known as a Rotameter and needle valve The concentration of gas in the effluent air is determined from the FLOWMETER reading by reference to the calibration chart on the inside of the front cover The instrument components are mounted on an anodized aluminum panel which in turn mounts inside an anodized aluminum case All metal and instrument surfaces have been chosen so that no outgas problems will occur Make sure not to use any chemicals on the instrument that would give off residual odors The ODOROMETER is a DC model completely independent of the power line and takes power from a battery pack consisting of five size D carbon zinc cells Do NOT use alkaline batteries This model is adjusted at the factory for proper blower speed and contains a front panel POWER LED which indicates that the unit is working properly NOTE Two older versions of the ODOOROMETER an AC and DC model are still in use and supported by Bacharach Inc The AC model uses a shaded pole constant speed motor to drive the blower and the instrument is equipped with a line cord for convenient connection to any 115 volt 60 cycle power source The blower speed of the DC model is controlled by a rheostat and is set using
7. e correction factor shown in this Correction Factor 04 05 06 07 08 09 1 0 1 1 1 2 1 3 Specific Gravity of Gas Relative to Air 7 MAINTENANCE The FLOWMETER tube and floats must be kept clean to prevent sticking of the floats in the tube To disassemble press the sides of the plastic cover and pull out Remove the spring lock clip at the top of tube lift the tube connector and pull tube out by lifting from the bottom connectors The tube and floats can be washed in alcohol trichloroethylene or other solvent Page 6 Instruction 0023 9125 ODOROMETER 8 HOW TO USE THE ODOROMETER GAS CALIBRATION CHART When the odor mercaptan in gas has been detected observe the reading indicated by the FLOWMETER float Depending on the range required use either the upper glass float colored for values 0 04 to 0 4 or lower metal float silver for values 0 2 to 1 2 EXAMPLE FLOWMETER silver float indicates 70 use second curve and observe that percent gas indicated by the chart is 1 1 GAS INODOROMETER EFFLUENT If specific gravity of gas under test is 0 620 the correct percentage of gas is as noted on the curve 1 1 If specific gravity differs use the CORRECTION CHART below EXAMPLE Specific gravity of gas under test is 0 55 the correction factor not
8. e is obtained for each observer It is best to take several readings on both sides of the threshold and to run an occasional blank using air with no added gas 5 Calculate the average threshold value of each observer Then calculate the total average value using these individual averages This procedure is advisable because considerable variation is found among individuals in detecting threshold value Thus if the observers take different numbers of readings a straight average of all these values would give more weight to the observer with the larger number of readings 6 Itis essential for this type of determination that the odor level rating be based on the first sniff only because fatigue is very rapid in this range 5 ODOR CHARACTERISTICS AT STANDARD CONCENTRATION 1 Have the observers sniff the unodorized air stream 2 Adjust the gas rate to the desired concentration Have the observers sniff the effluent air stream rating the odor intensity as 100 1 absent 90 2 barely detectable 2 y 80 3 readily detectable L 4 strong E 70 5 very strong obnoxious 3 60 4 If desired a description of the character of the odor such as onion garbage 3 50 refinery etc can also be obtained PUA 5 Repeat the test after a short time to check the first determination gt 40 30 6 RANGE OF MEASUREMENT E 20 lt The instrument has two ranges obtained by using a lightweight glass and a heavier metal float
9. ed on the chart is 1 06 The correct gas concentration is obtained by multiplying the following 1 1 x 1 06 1 166 Gas in ODOROMETER effluent NOTE The chart below is intended as an example only and does not reflect the calibration of your instrument See actual calibration graph on your instrument Your ODOROMETER was calibrated against standards traceable to the National Institute of Standards and Technology NIST prior to its shipment from the factory To ensure the instrument s continued accuracy and reliability Bacharach recommends periodic calibration by an authorized Bacharach Service Facility For best results the instrument should be initially calibrated after no longer than one year of service Thereafter the calibration interval should be set as needed to ensure continued reliability If calibrated by a Bacharach Service Facility the assigned interval will be based upon the instrument s condition as received in or out of tolerance and degree of drift since the last calibration Bacharach recommends that service on portable instruments in or out of warranty be performed at one of our service Centers Should service be required please pack the instrument carefully include all necessary identifying papers with description of service needed and ship prepaid to one of the below locations United States Canada Bacharach Sales Service Center Bacharach of Canada Inc 621 Hunt Valley Circle 20 Amber St Unit 7 New Ken
10. imited to those provided herein to the exclusion of any and all other remedies including without limitation incidental or consequential damages No agreement varying or extending the foregoing warranties remedies or this limitation will be binding upon Bacharach Inc unless in writing signed by a duly authorized officer of Bacharach Batteries being expendable items are excluded from the terms of this warranty Page 2 Instruction 0023 9125 ODOROMETER OPERATING AND MAINTENANCE INSTRUCTIONS for the ODOROMETER 1 APPLICATION The ODOROMETER is a portable instrument that can be used by gas companies to check the odorization of the gas being distributed The instrument provides an easy method of determining the odor intensity of a gas stream at any convenient point in the gas distribution or transmission lines and is a faster method of determining odor levels at high or low gas air concentrations than the room test method The range of testing on the standard instrument is from one twentieth of 1 to slightly over 1 gas in air This range enables the operator to check the accepted gas concentrations for the detection of an odorant in natural gas The ODOROMETER may also be used to perform natural gas odor intensity tests in accordance with ASTM D 6273 98 ASTM is the American Society for Testing and Materials 2 DESCRIPTION The ODOROMETER uses a constant speed motor driven blower to produce a constant flow of air which is disch
11. or level rating must be based on the first sniff or two because the olfactory senses fatigue rapidly with continued exposure to an odor 8 Between sniffs the observer should breathe deeply but slowly through his nose to regenerate his perception GAS INLET SNIFFING ON OFF NEEDLE POWER FUNNEL SWITCH VALVE LED A a ODOROMETER J ies eee a Gas Calibration Chart Centeri e SERIAL NO GLASS FLOAT f COLORED lr roe Rotameter Reading 01 02 03 04 05 06 07 08 09 10 11 12 Gas in Odorometer Effluent For Natural Gas Specific Gravity 0 620 Read Bottom of Ball in Rotameter ODO ROM ETER CORRECTION CHART When testing gases other than 0 620 specific gravity multiply the above Gas value by the correction factor shown in this Correction Factor RIAT 2S Od 505 Specific Gravity of Gas Relative to Air O eS es 2 SS ate Q Q RENKIN ROO MADE IN USA GAS AIR INLET INLET FITTING FLOWMETER Page 4 Instruction 0023 9125 ODOROMETER 4 THRESHOLD ODOR DETERMINATION Have the observers sniff the unodorized air stream 2 Adjust the gas flow rate to the estimated threshold value and let the observers sniff again to see if they can smell any foreign odor 3 Adjust the gas concentration upward or downward as indicated by the above test and have the observers sniff again 4 Repeat this procedure until the threshold valu
12. sington PA 15068 Markham Ontario L3R SP4 Canada Phone 724 334 5051 Phone 905 470 8985 Fax 724 334 5723 FAX 905 470 8963 Email help mybacharach com E mail support BachCan ca APPENDIX A OLDER VERSIONS OF THE ODOROMETER 1 Instruments designed to operate from AC will operate from any 115 volt 60 HZ power source 2 Forthe DC model start motor by turning switch clockwise to ON and rotating the knob clockwise until air flow is achieved Set ammeter to red mark for proper amount of air flow For the AC model just plug in line cord and turn on switch to start air flow Pilot light will indicate that power is connected to motor Instruction 0023 9125 Page 7 Bacharach Inc shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Bacharach Inc Copyright 2005 2015 Bacharach Inc all rights reserved BACHARACH is a registered trademark of Bacharach Inc All other trademarks trade names service marks and logos referenced herein belong to their respective owners BACHARACH Headquarters 621 Hunt Valley Circle New Kensington PA 15068 Ph 724 334 5000 Fax 724 334 5001 Toll Free 1 800 736 4666 Website www mybacharach com E mail help mybacharach com Printed in U S A
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