Gas Detector Calibration Service & Repair

PK Safety’s staff is factory-trained by manufacturers. PK Safety is also a Factory Authorized Service Center for BW Technologies by Honeywell, RAE Systems, and RKI Instruments.

• Fast in-house gas detector calibration services (How Often Do You Need to Calibrate? Read our FAQ Answer)
• 4-Year protection plans for expert diagnosis, complete mechanical maintenance, gas detector repairs, and part replacements
• Custom alarm point setting and calibrations for small to large quantities of gas monitors

If your gas monitor is not performing properly or needs a gas detector calibration service, check out the service and protection products below, call PK Safety at 800-829-9580, or email service@pksafety.com. 

Each portable gas detector manufacturer deals with warranties differently. We can help handle brand-specific gas detector warranties and after-warranty gas detector repairs. Our service center ensures compliance with manufacturer specifications and industry compliance standards.

FAQs

How do you do a gas monitor calibration?

Both bump testing and calibration are necessary to verify gas meter functionality before use. Bump testing verifies that your gas monitor will detect the target gas in a work environment. Gas detector calibration service is necessary in order to check the accuracy of your readings. 

If your gas detector fails its bump test before the shift starts, it requires a full gas monitor calibration. Gas monitor calibration requires you to adjust each of the instrument’s readings to the test gas to ensure that its readings are accurate. Regular sensor filters should also be checked during the calibration process.

Gas detectors should be calibrated in conditions that are as close to the environment at the actual work site as you can get, even calibrating on-site if you can. You should also test more frequently if sensor poisons or other potential interference with the device are suspected.

In addition to the gas detectors' internal memory function, it is good practice to keep a written record of each instrument’s calibration to identify instruments that need servicing or testing, or are at the end of their service life and need to be replaced. Keep information on your test gases as well to ensure that you’re getting the most accurate results possible.

How often should a gas detector be calibrated?

Each manufacturer will have different rules for their specific instruments. We recommend bump testing before each use and calibrating at least every six months. 

You can do so by testing it with a known concentration of the gas you’re testing for. This will tell you whether the sensors respond accurately and the alarms are working. If the gas detector fails the bump test, a full calibration will need to be performed. More frequent testing should be done if the environmental conditions are especially harsh or fluctuate.

What is the difference between a bump test and a gas detector repair?

Bump testing ensures your gas monitor will detect the target gas in a work environment. When bump testing, you don't need to zero the meters or compare the readout to the contents of the test gas. It should be done regularly and prior to using the monitor in the field. If the test passes, then the gas detection equipment is good to be used for that shift. If not, then a full calibration must be performed.

Calibration is necessary in order to check the accuracy of your readings and involves adjusting instrument readings to fall in line with a known concentration of gas (or calibration gas). During calibration, instruments self-correct to the appropriate level of sensitivity. This can be vital for older devices, where sensors will degrade over time and use. 

A device that can’t accurately read set values will need to be replaced. If a device has been dropped or otherwise damaged, consider recalibrating. What test is used before calibrating a gas monitor? 

A gas monitor bump test is usually done before the calibration process. Bump testing your gas detection equipment before you start working determines whether it can respond to the tested gas. If it can’t, you will have to move on to full calibration.

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