Data loggers that are returned for a
service calibration will have their battery and seals replaced and will
be issued with a UKAS traceable calibration certificate.
Standard Calibration Points
Calibration certificates for temperature and humidity data loggers are
issued at the following two points unless otherwise specified:
Temperature: 0°C and 30°C
Humidity: 20 to 80 %RH (at 25°C)
Additional/Alternate Calibration Points
Alternate or additional points may be specified within the following
limits:
Temperature: -20 to +150 °C.
Humidity: 20 to 90 %RH (at 25°C).