Control of monitoring and measuring equipment - infrared thermometer for cross-check

[DAWELAH]

Dear Brothers,‎

I’m using infrared thermometer for crosschecking and verifying kitchen cold rooms and ‎refrigerators.‎

Is it necessary to calibrate the used thermometer to comply with ISO 9001 standards 7.6 ‎‎“control of monitoring and measuring equipment? ‎

In addition of that, the thermometer costs $150, and calibration services expense is around ‎‎$95. ‎
‎ ‎
Please need your advice for this matter, and how can I properly implement clause 7.6 in this ‎case.‎

Thanks ‎

 

[JoCam]

Re: control of monitoring and measuring equipment

A reply from a sister.

You could calibrate your infrared thermometer against a calibrated master thermometer, which doesn't need to be infrared. This master thermometer, provided it is only used for calibration, will not require annual calibration itself, the usual timescale set for calibration of master standards is 3 years. I normally use a digital thermometer as my master standard for calibration of all equipment that measures temperature.

Personally, I wouldn't use infrared thermometers unless I had to, as in my experience only the very expensive ones are anywhere near accurate.

I hope this helps.

Jo