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AirSentry® II IMS      

Calibration Quick Guide

Without measurement there is no control

Содержание AirSentry II IMS

Страница 1: ...AirSentry II IMS Calibration Quick Guide Without measurement there is no control ...

Страница 2: ...calibrate the AirSentry II IMS to a specific calibration stream concentration An internal pneumatic diagram of the calibration station is included on page 9 for reference if needed To set up the calibration station 1 Place the calibration station in the area where the AirSentry II IMS analyzers will be calibrated 2 Unscrew the two flathead screws on the oven cover Figure 2 Oven cover screws 3 Remo...

Страница 3: ...he permeation tube allow 24 to 48 hours elapse time prior to calibrating an AirSentry II IMS analyzer This time allows for the permeation device to warm up and near its expected permeation rate Most permeation tubes will have reached equilibrium five to seven days after installation An accurate calibration can be completed at the time however the results should not be significantly different than ...

Страница 4: ...ir for the dilution gas The following table details the best method for zero and span calibration Calibration Type Ammonia Amines Acids Zero Calibration Dry Dry Zero Calibration Wet Wet Table 1 Zero and Span Calibration Rocker Buttons on the AirSentry II Calibration Station The configuration of the rocker buttons on the left front panel of the calibration station determines the calibration gas out...

Страница 5: ...m can be adjusted using the needle valve located at the back of the calibration station Note To understand how to properly set the needle valve to achieve the proper flow for span calibration refer to the Permeation Devices section that follows Note To understand how to properly set the needle valve to achieve the proper flow for span calibration refer to the Permeation Devices section that follow...

Страница 6: ... there is no control 5475 Airport Boulevard Boulder CO 80301 T F 303 443 7100 1 800 238 1801 1 303 449 6870 info pmeasuring com www pmeasuring com Page 5 Figure 4 AirSentry II IMS Pneumatic Setup With Calibration Station ...

Страница 7: ...the vacuum fitting 33kPa Absolute 3 Verify that the calibration station ZERO SPAN fitting is connected to the SAMPLE fitting on the AirSentry II IMS This ZERO SPAN fitting should have a T to allow venting of the excess flow so that the IMS cell remains at atmospheric pressure A 12 service loop of quarter inch PFA tubing should be connected on the T at the ZERO SPAN fitting for exhaust purposes 4 V...

Страница 8: ...cker buttons in the correct configuration for the span calibration All span calibrations are performed using a wet humid dilution stream and therefore the rocker button positions for span calibration are the same for all analyzers Note For span calibration the rocker buttons on the calibration station should be in the RUN and CALIBRATE positions 15 Verify that the flow from the calibration station...

Страница 9: ...des Permeation Tube 2 Years 1000006749 1 per Chlorides calibration system Acids or Chlorides Ambient Air Chemical Filter Replacement 12 Months 1000012380 1 per calibration system Amines or Ammonia Ambient Air Chemical Filter Replacement 12 Months 1000012097 1 per calibration system Internal Chemical Filter for Dilution Flow 1 Year 1000007127 1 per calibration system Table 3 Maintenance schedule an...

Страница 10: ...ing com www pmeasuring com Page 9 Calibration Station A pneumatic diagram is included here for troubleshooting the AirSentry II calibration station if needed However it is highly unlikely that you will need to remove the lid of the calibration station for troubleshooting purposes Figure 5 AirSentry II Calibration Station Pneumatic Diagram ...

Страница 11: ...IBRATE and RUN Measure flow at zero calibrate port Determined by permeation rate and molar volume of air at elevation Determined by permeation rate and molar volume of air at elevation Dry Calibration Zero Flow Place calibration station into ZERO and STANDBY Measure flow at zero calibrate port 3200 3200 Wet Calibration Zero Flow Place calibration station into ZERO and RUN Measure flow at zero cali...

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