Bacharach 50 manual

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Table of contents for the manual

  • Page 1

    Snif it Model 50 Carbon Monoxide Analyzer Introduction Designed for HVAC professionals and utility person- nel, the Snifit Model 50 Analyzer is ideal for measur- ing low levels of CO in ambient air such as in rooms and garages, or around registers, furnaces, stoves, water heaters, and other types of combustion appli- ances. The Snifit samples the s[...]

  • Page 2

    - 2 - Figure 1. Snifit 50 Specifications Gas Monitored ............ Carbon Monoxide (CO) Range .......................... 0 to 1999 ppm Resolution ................... 1 ppm Accuracy ...................... ± (5% of reading + 5 ppm) Response ..................... ≤ 30 sec. to 90% of final value Power ........................... 9V battery Battery [...]

  • Page 3

    - 3 - (air that is free of CO), adjust the Zero Adjust knob at the top of the instrument for a reading of 0 ±1 ppm. If you’re not sure about the quality of the surrounding air, you can apply a blend of Oxygen/Nitrogen gas to the sensor as described under Calibration . Checking for CO Important! Ensure that the sensor grille at the rear of the in[...]

  • Page 4

    Figure 2. Calibration Equipment Setup - 4 - Calibration Important! For accurate Snifit operation, periodic calibration of its CO sensor is required. To calibrate the CO sensor, you will need the equip- ment listed under Accessories . Note that the Zero Gas Cylinder is needed only if you’re unsure about the quality of the surrounding air for zeroi[...]

  • Page 5

    - 5 - Figure 3. Battery Location 5. Allow span gas to flow until the displayed reading stabilizes – approx. 3 minutes. Then, using Calibra- tion Tool 06-9453 (supplied in Calibration Tool / Cup Kit 19-3242), turn the Span Adjust potentiom- eter until the displayed reading matches the concentration stamped on the Span Gas Cylinder. 6. Calibration [...]

  • Page 6

    - 6 - Replacement Parts Item Part No. CO Sensor .......................................................... 19-7061 Gasket ................................................................ 19-3234 Filter .................................................................. 19-3244 Accessories Item Part No. Calibration Kit ...............................[...]