From 1 March 2004 the scope of accreditation for our temperature calibration laboratory was extended to include humidity calibrations.
We can now issue IANZ endorsed calibration certificates for temperature and humidity calibrations for Temprecord data loggers.
Note: Temperature and humidity calibrations certificates are now issued as a combined or shared certificate, which now includes 3-point correction for Temperature and 2-point correction for Humidity.

For standard three point temperature calibrations the expanded uncertainty is  0.2°C over the temperature range from
-20°C to +50°C.
Fahrenheit,  expanded uncertainty 0.36°F,  temperature range from -4°F to +122°F

Re-calibrations to Temprecord probe loggers can be carried out at temperatures of your choice that are inside the range from -24°C to +124°C, the expanded uncertainty at single calibration points to probe loggers is 0.036°C.
Fahrenheit,  expanded uncertainty 0.065°F,  temperature range from -11.2°F to +257°F

All uncertainties are expressed at a 95% confidence level. The coverage factor is k=2.26

Temprecord RH loggers are laboratory calibrated with an expanded uncertainty of 3% RH over the humidity range from 12% to 85% RH.
The dry bulb temperature was set at 28°C during calibration.
The expanded uncertainty is expressed at a 95% confidence level. The coverage factor is k=2

Click here for information on single point RH calibrations.