Calibration Station - Portable Gas Detectors
A Calibration Station for Portable Gas Detectors is an essential piece of equipment to simplify Bump Testing and Calibration of Single-Gas & Multi-Gas Portable Gas Detectors. These Calibration Stations automatically charge, Bump Test, Calibrate and save gas Detector Calibration records to either a USB flash drive, computer, or computer network.
How Often should Portable Gas Detectors undergo a Bump Test & Calibration ?
The AS/NZ standard specifies that Portable Gas Detectors should be Bump Tested daily or Prior to Use, and follow the manufacturers recommendations found in the instruction manuals for Calibration Intervals.
Recommended Calibration Intervals from the Original Equipment Manufacturers
MSA Bump Test / Calibration Intervals
Perform a Bump Test before each day’s use to verify proper device operation. Failure to perform this
test can result in serious personal injury or death.
Perform a Bump Test
Bump test frequency is often stipulated by national or corporate regulations; however, bump testing before each day’s use is generally the accepted best safety practice and is therefore MSA’s recommendation.
The device must pass the bump test. If it fails the test, perform a calibration before using the device.
This test quickly confirms that the gas sensors are functioning. Perform a full calibration periodically to
ensure accuracy and immediately if the device fails the Bump Test.
Under normal circumstances MSA recommends calibration at least every six months.
Reference: MSA Altair 4XR Instruction Manual
Honeywell BW Bump / Calibration Intervals
BW recommends to “bump test” the sensors before each day’s use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm set points. Manually verify that the audible and visual alarms are activated. Calibrate if the readings are not within the specified limits.
Calibrate the detector before first-time use and then on a regular schedule, depending on use and sensor exposure to poisons and contaminants. BW recommends calibrating at least once every 180 days (6 months).
A bump test must be performed to enter normal operation. Apply gas to the sensors. Ensure the visual, audible, and vibrator alarms activate. When the gas is removed, the detector briefly remains in alarm until the gas has cleared from the sensors. When the sensors successfully pass the bump check, the following screen displays showing the number of days remaining
until the next bump check is due (I d = 1 day).
Reference: Honeywell BW GasAlert MicroClip XL User Manual
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