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Gas Pup

Natural Gas &

Pressure Detection

Instruction 55-9002

Operation & Maintenance

Rev. 1 – December 2003

Product Leadership • Training • Service • Reliability

Summary of Contents for Gas Pup

Page 1: ...Gas Pup Natural Gas Pressure Detection Instruction 55 9002 Operation Maintenance Rev 1 December 2003 Product Leadership Training Service Reliability...

Page 2: ...all be limited 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...

Page 3: ...ttery Installation 7 Turning ON the Gas Pup 8 Turning OFF the Gas Pup 10 Backlighting 11 Battery Voltage Check 11 Gas Operating Mode 11 Auto Ranging 12 Fixed HI Range 12 PPM Range 13 LO Low Percent Ra...

Page 4: ...p 22 Gas Calibration Procedure 23 Pressure Sensor Check 27 Maintenance 28 Batteries 28 Sampling Probe 28 Gas Inlet Filter Replacement 29 Pump Replacement 29 Combustibles Sensor Replacement 30 Leak Che...

Page 5: ...N is used to call a user s attention to hazards or unsafe practices that could result in injury or property damage The message that follows provides informa tion for preventing or avoiding the hazard...

Page 6: ...Notes iv Instruction 55 9002 Gas Pup Safety...

Page 7: ...ful in pin pointing leaks in underground piping through barhole testing The Gas Pup also features three pressure modes High 0 to 99 psig Low 9 9 to 9 9 psig and Delta displays a pressure change in the...

Page 8: ...providing a more reliable and accurate test of gas levels It is also important in the PPM range to achieve a stable gas reading at low gas concentrations The sample pump includes a flow failure funct...

Page 9: ...and two pushbutton keys READING Window A two digit display that is used to primarily display the concentration of natural gas in the LO and HI gas ranges The READING window also displays pressure read...

Page 10: ...nge for the gas reading Key Turns the instrument and also the backlight ON and OFF Key Changes the instrument s function as determined by its current operating mode thus allowing a variety of function...

Page 11: ...of final value Operating Environmental Conditions Temperature 4 to 122 F 20 to 50 C Humidity 10 to 95 R H non condensing Air Pressure 1 Standard Atmosphere 10 Position Any Storage Environmental Condit...

Page 12: ...y of calibration however may change depending on how often the instrument is used and the amount of gas that was sampled Create a maintenance log to keep track of when an instrument was calibrated and...

Page 13: ...gency approval use only the following types of AA alkaline batteries Energizer E91 Duracell MN1500 or MX1500 Rayovac 815 and Panasonic AM 3PI 1 Loosen the two thumbscrews on battery cover and remove c...

Page 14: ...ned on After all segments have been displayed the word UEr Version is displayed followed by the instrument s software version number Next the letter b appears in the RANGE window along with the batter...

Page 15: ...truction 55 9002 9 Gas Pup Figure 5 Turning ON the Gas Pup Operation Battery Voltage Mode Display RANGE Flashing Display Auto Start Sequence PPM Gas Display LCD Segment Test UEr Version Software Versi...

Page 16: ...irst the battery voltage is displayed followed in about 1 second by the letters OFF scrolling across the screen The screen will go blank shortly after all three letters are displayed Release the key a...

Page 17: ...the Gas Pup will operate down to 1 9 volts the last portion of the voltage curve is quite steep It is recommended that except for short tests the batteries be replaced when the reading drops to less t...

Page 18: ...s change will be instanta neous But if the reading is close to 2 500 ppm observe that the display may flicker between ranges for a few seconds When the LO reading exceeds 5 0 the display automatically...

Page 19: ...ges to the LO range showing a two digit value with one decimal place This range of the instrument is used for detect ing gas concentrations that may approach the explosive level Natural gas may cause...

Page 20: ...ayed as The bar graph tracks the digital reading to give an enhanced visual picture of the changing gas concentration but the highest bar sticks at the maximum reading As noted above a unique feature...

Page 21: ...ssure readings may result Before making a pressure measurement tubing must be connected between the gas source and the instrument s pressure port Depending on the application use the tubing and hardwa...

Page 22: ...switch to the low pressure mode as indicated by the letter d appearing in the RANGE window The READING window will display the pressure applied to the instrument s pressure port Positive pressure rea...

Page 23: ...should now appear in the READING window indicating that the pressure being measured equals the high pressure reading just taken Note The delta and low pressure modes are activated in the same manner T...

Page 24: ...the hose which could eventually cause a flow restriction and where the dirt particles would be difficult to remove for cleaning Filters are packed ten to a box and are available as P N 5500 7100 Char...

Page 25: ...sponse time of the instrument Therefore draw a sample of gas through the instru ment for at least 60 seconds before taking a reading 3 Take a second gas sample from the same area and note if the indic...

Page 26: ...tainer Empty the bowl by first turning OFF the Pup or removing the water filter trap from the instrument and then pushing up on the drain valve located at the bottom of the bowl The water trap also co...

Page 27: ...rror Messages The following is a list of error messages that may appear when operating the Gas Pup Note that numerical messages appear just prior to the instrument turning itself off Contact your near...

Page 28: ...lance Nitrogen optional 2 5 0 05 methane 100 2 methane WARNING If you are not using Bacharach s calibration kit be sure not to apply pressure to the gas inlet from your own calibration equipment Use t...

Page 29: ...Step 3 wait until the instrument enters its auto start period flashing AS appears in the READING window 3 See Figures 19 and 20 Auto calibration is started by pushing the key at any time while AS is b...

Page 30: ...display will change to the calibration setting 2 5 for the LO range or 100 for the HI range At this time the calibration gas may be removed The instrument s programming contains safeguards to prevent...

Page 31: ...Instruction 55 9002 25 Gas Pup Figure 19 Performing a LO Calibration Steady Display Apply 2 5 gas now Flashing Display Flashing Display Remove gas Fashing Display During Calibration Calibration...

Page 32: ...p 26 Instruction 55 9002 Calibration Figure 20 Performing a HI Calibration Steady Display Apply 100 gas now Remove gas Flashing Display Flashing Display Flashing Display Flashing Display During Calibr...

Page 33: ...in Figure 21 2 Turn Pup ON and select its high pressure mode as described under the previous heading Pressure Operating Mode 3 Adjust regulator of pressure source for a pressure gauge reading of 50 p...

Page 34: ...w To replace the batteries refer back to the previous section Battery Installation Sampling Probe The sampling probe is the most likely candidate for maintenance as it is subject to damage in normal f...

Page 35: ...e using a 5 64 Allen wrench to remove the plate s four corner screws Then remove plate and rubber bumper to expose the instrument s interior 2 Back off the pump bracket screw in the lower corner of th...

Page 36: ...seated in receptacles and bot tomed on circuit board 5 Reinstall printed circuit board into flow block taking care to properly position the board as shown in Figure 24 6 Replace three screws and tight...

Page 37: ...ance Figure 24 Pump or Sensor Replacement FLOW BLOCK COMBUSTIBLES SENSOR WAVE WASHER PRINTED CIRCUIT BOARD SCREW 3 PLACES PUMP BRACKET SCREW PUMP BRACKET PUMP MULTI PIN CONNECTOR PUMP CONNECTOR PRESSU...

Page 38: ...y 55 0043 Hose Coiled 55 0032 Quick Connect Fitting Female 103 5402 Gas Probe Assembly 55 3000 Probe Tube w Filter Chamber 10 3474 1350 O Ring 11 16 ID x 13 16 OD 05 5116 Pump Assembly 55 0061 Quick C...

Page 39: ...t s gas tubing 5500 7100 Charcoal Filter Pack package of 10 Provides the ability to detect the difference between petroleum vapors and natural gas 5500 7400 Pressure Hose Kit Includes a 48 coiled poly...

Page 40: ...Fax 724 334 5723 Email help bacharach inc com Texas 5151 Mitchelldale B 4 Houston TX 77092 Phone 713 683 8141 Fax 713 683 9437 Email txservice bacharach inc com Canada Bacharach of Canada Inc 250 Shie...

Page 41: ...Instruction 55 9002 35 Gas Pup...

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Page 44: ...rld Headquarters 621 Hunt Valley Circle New Kensington PA 15068 7974 Ph 724 334 5000 Fax 724 334 5001 Toll Free 800 736 4666 Website www bacharach inc com E mail help bacharach inc com Printed in U S...

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