Last update May 11 2009.
Three point temperature calibrations.
Calibration temperature rangeLeast uncertainty of calibrations (Best measurement)

For loggers without probes fitted (Internal sensor)

-15ºC to 40°C± 0.061°C (routinely ±0.2°C from -15 to 40°C) in the F3 machine.

For loggers with probes fitted (External sensor)
-24°C to 130°C±0.056°C (routinely ±0.2°C from -20 to 50°C) in dry block calibrator.

±0.036°C (routinely ±0.2°C from -20 to 50°C) in stirred liquid baths.
  

Single point temperature calibrations (new) and re-calibrations to loggers
Calibration temperature rangeLeast uncertainty of calibrations ( Best measurement )

For loggers without probes fitted (Internal sensor)

-24°C to 80°C ±0.061°C in stirred liquid baths with comm block fitted.

For loggers with probes fitted (External sensor)
-24°C to 130°C ±0.056°C At single temperature points in dry block calibrator.

±0.036°C At single temperature points in stirred liquid baths
   
  

Relative Humidity calibrations (new) and re-calibrations to loggers
Calibration humidity rangeLeast uncertainty of calibrations (Best measurement)

Single humidity points between 12% and 85% RH
12% to 85% RH ±1.0% RH at a dry bulb temperature between 20°C and 30°C and a dew point range of -6°C to 23°C

Calibration over the entire range from 12% to 85% RH
  3.0% RH at a dry bulb temperature between 20°C and 30°C and a dew point range of -6°C to 23°C
   
 

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