BW Sulfur Dioxide Sensor 0-100ppm (PS-RS04)

Replacement Sulfur Dioxide (SO2) sensor for the GasAlert Extreme that reads 0-100ppm.  Simply remove the old sensor and replace with this new pre-calibrated sensor.

Sulfur Dioxide Information

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0-100 ppm Sulfur Dioxide (0.1ppm increments)

Replacement sensor for the GAXT-S-DL


To replace a sensor complete the following.

  1. Deactivate the detector.
  2. Remove the four machine screws on the rear shell and remove the rear shell.
  3. Remove the tow machine screws from the PCB.
  4. Remove the PCB.  Place the PCB on a clean, non-conductive surface.
  5. Replace the sensor.
  6. Allow the new sensor 5 minutes to stabilize before use.  For a new ETO or NO sensor, allow the new sensor 2 hours to stabilize before use.
  7. Re-assemble the detector.  When assembling the detector, perform the following:
    1. Clean the seal on the front and rear shells with a soft damp clean cloth.  Do no use solvents, soaps or polishes.
    2. Ensure the front and rear shells are properly aligned to ensure a proper environmental seal.
    3. Torque the screws to 3-4 in-lbs in a crisscross pattern to ensure a proper environmental seal. Do not over tighten.

Sulfur Dioxide Information

More Information
Manufacturer Honeywell / BWT
Call For Price No
Gas Sulfur Dioxide (SO2)
Standard Range 0-100 ppm
Field Replaceable Sensor Yes
Field Replaceable Battery Yes
Monitor sensor fits GAXT
Sensor Type Electrochemical Cell
Accuracy ± 5% of value
Alarms Visual, Vibrating, Audible (95 dB) for Low, High, STEL, TWA
Operational Temperature Range -40 to +122 F / -40 to +50 C
Operational RH Range 15-90% Non-condensing
Warranty 2 Year
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