According to ASTM D2272, the pressure measurement system consisting of electronic pressure transducers, power source, mounting equipment, and connecting cables shall be verified approximately every 100 tests or three months, whichever comes first.
The verification is performed according to a certified pressure gauge. This gauge should be accurate to 62.5% of scale. Tannas Co. offers the above certified Reference Oxygen Gauge for use according to ASTM D2272, D2112, and D4742. This is an ideal choice for complying to ASTM’s requirements.