The uncertainty of measurement is reported as an expanded uncertainty having a level of confidence of 95% unless stated otherwise
SERVICE
PRODUCT
DETERMINANT
TECHNIQUE
PROCEDURE
LIMITATIONS
Temperature metrology – Ancillary temperature measuring equipment
Multi-channel thermocouple data recorders; Transmitters
Resistance to temperature conversion; Volt to temperature conversion
Direct measurement by electrical input
Capability
With Calibration and Measurement Capability of –
0.25 °C in the range from -80 °C to 300 °C
Temperature metrology – Humidity measuring equipment
Hygrometers; Relative humidity sensors
Relative humidity (RH)
Comparison with a reference standard
Capability
With Calibration and Measurement Capability of –
In the range 10%RH to 90%RH at 20°C to 40 °C
1.2%RH from 10%RH to 35%RH at 20 °C to 40 °C
1.4%RH from 35.1%RH to 65%RH at 20 °C to 40 °C
1.5%RH from 65.1%RH to 90%RH at 20 °C to 40 °C
Temperature metrology – Temperature measuring equipment
Digital temperature measuring systems; Temperature loggers – Single and multi-channel
