PAO Accredited Laboratories (as of November 2013) - DTI

Products/
Class of Test
.03 Autoclaves
and Sterilizing
Ovens
.04 Industrial
Freezers
.05 Other
Enclosures
5.48 Hygrometry
.01 Calibration of
Humidity
Measuring
Devices
Measured
quantities/
instrument
Calibration of
Autoclaves and
Sterilizing Ovens
Calibration of
Industrial Freezers
Calibration of
Temperature Cycle
Chambers
Calibration of
Humidity
Measuring Devices
Range to be
calibrated
Best
measurement
capability
expressed as an
uncertainty ()*
Standard Method/
Reference Standard
Ambient to 200 °C ± 2 °C In-house calibration/
On-site calibration
TR-WI-TEM-003
- 30 °C to Ambient ± 2 °C
- 30 to 200 °C ± 2 °C
At ambient / room
conditions only
@ 23 °C ± 2 °C
@ 40 to 70 %R.H.
± 1 °C
± 3 % R.H.
In-house calibration/
On-site calibration
TR-WI-TEM-005
* A reported uncertainty will be that for the instrument itself during calibration plus the appropriate
measurement capability of the laboratory. The uncertainties are based on an estimated confidence
probability of approximate 95% unless otherwise stated.
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