Calibration Services, Instrument Calibration UKAS Calibration. Gujarati Language Software. Acceptance criteria is the criteria against which an instrument, gauge or meter is judged when it is calibrated. The Pass or Fail criteria. It is quite important that this is properly considered. One might make the simple assumption that if a meter performs within the manufacturers spec then it is acceptable. But have you fully considered how the meter is going to be used, and what accuracy you require of the measurements you are going to make with itTeltherm Laboratory is IANZ accredited can certify your pressure, temperature, Infrared humidity instruments. Take advantage of our fast service. Fluke Calibrations PG7302 Piston Gauge line features reference level pressure standards offering a unified solution from vacuum to 500 MPa. An acceptable level of accuracy might for instance be 2. There are possibly many. When all of these contributions have been combined they. Basically, if an. Simple. reliance on whether or not an instrument conforms with the. In any case, manufacturers. Also, we see many instances of brand new instruments.