9190A
Operators Manual
4-6
Calibration Equipment
The equipment in Table 4-2 is required to complete the calibration procedure.
Table 4-2. Calibration Equipment
Primary Reference
Classifications Minimum Use Specifications Suggested Equipment
Readout 20 ppm Fluke Calibration 1560 with a
2560 SPRT Module
PRT 0.008 °C at 0 °C 5628 Secondary Standard PRT
with R
TPW
Calibration
Secondary Reference
Classifications Minimum Use Specifications Suggested Equipment
Readout 20 ppm Fluke Calibration 1560 with a
2560 SPRT Module
PRT 0.008 °C at 0 °C 5628 Secondary Standard PRT
with R
TPW
Calibration
Aluminum Insert Two, 0.25 inch diameter x 6.25
inch deep holes
Temperature Source Specifications
See specifications in Chapter 1.
Environmental Conditions
Laboratory environmental conditions required to complete this procedure:
• Temperature range: 23 °C ± 4 °C. Temperature needs to be stable when calibration is
in progress.
• Low wind and draft area.
• Ambient relative humidity: below 60 %
Temperature Source Calibration Procedure
UUT and Equipment Setup
Put the primary PRT and the secondary PRT in the Insert as shown in Figure 4-2. Elevate
the secondary PRT 30 mm off the bottom of the Insert.
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