INTELLIDOX DOCKING MODULE USER MANUAL || DETECTOR OPERATIONS
BW TECHNOLOGIES BY HONEYWELL PAGE 52 OF 103
Calibration
Remove detector before reconfiguring inlets for different calibration gas or concentration.
Calibration is a two-step procedure that determines the measurement scale for the
detector’s response to gas. In the first step, a baseline reading is taken in a clean,
uncontaminated environment. In the second step, the sensors are exposed to known
concentrations of gas. The detector uses the baseline and known gas concentrations to
determine the measurement scale.
Over time and through use, sensor performance may drift from the manufacturer’s
baseline. For optimal performance, BW Technologies may recommend calibration for
certain detector models. To confirm that calibration is recommended, refer to the
appropriate detector operator manual.
Before You Begin
1. Verify that calibration is recommended for the detector. Refer to the appropriate
detector operator manual.
2. Read and understand Calibration Guidelines.
3. Verify that the detector is activated.
4. Verify that the detector is not in a low-battery state.
Calibration Guidelines
1. Perform compliance tests only in a normal environment that is 20.9% v/v O
2
and free
of hazardous gas. Do not operate the module in a hazardous area. Failure to adhere
to this guideline can result in possible personal injury and/or property damage.
2. The use of calibration gas cylinders other than those specified by BW Technologies
may result in unsafe calibration or possible non-recoverable failure of the equipment,
and will invalidate the warranty.
3. Do not use gas cylinders past their expiration date.
4. A demand flow regulator must be used with all gas cylinder connections. The module
inlet should not be pressurized.
5. Do not calibrate the detector immediately after charging is complete.
6. Calibrate the sensor if ambient gas readings vary during startup.
7. Calibrate a new sensor before use. Allow the sensor to stabilize before starting
calibration.
1. Used sensor: wait 60 seconds
2. New sensor: wait 5 minutes
8. When calibrating the same detector multiple times, wait 10 minutes between
calibrations to allow the sensor to stabilize.
9. If a certified calibration is required, contact BW Technologies or an authorized
distributor.
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