This specification is applicable to the calibration for metrological performance of equipment of the environmental testing for temperature and humidity (hereinafter referred to as environmental testing equipment).
Other similar equipment may also be calibrated by reference to this specification.
2 References
GB/T 2423.4-1993 Basic Environmental Testing Procedures for Electric and Electronic Products - Test Db: Damp Heat, Cyclic
GB 6999-1986 Relative Humidity Tables for Environmental Test
JJF 1071-2000 The Rules for Drafting National Calibration Specification
While using this specification, current valid editions of such documents shall be applied.
3 Terms
3.1 Temperature Deviation
The difference between the displayed temperature average of the environmental testing equipment under stable state and the measured temperature average of the center point in work space.
3.2 Relative Humidity Deviation
The difference between the displayed relative humidity average of the environmental testing equipment under stable state and the measured relative humidity average of the center point in work space.
