Thermalert GP Series Operator’s Manual 73
APPENDIX F TRACEABILITY OF INSTRUMENT
CALIBRATION
The temperature sources (blackbodies) used to calibrate this instrument are
traceable to the U.S. National Institute of Standards and Technology (NIST).
(Refer to Figure F-1.)
The NIST certificate describes the equipment used for calibration and any
corresponding NIST report numbers. In addition, the certificate lists test
accuracy data and the next calibration date.
NIST certificates are available as an option (must be ordered with the instru-
ment). Contact the manufacturer (not NIST) to order this option.
National Institute of Standards and Technology
(NIST)
NIST Certified Calibration Lab: calibration in
accordance with MIL-STD-45662 and against
standards traceable to NIST
High Temperature
1200 - 3000°C (2200 - 5400°F)
Certified Radiation Transfer
Standard
Medium Temperature
200 - 1200°C (400 - 2200°F)
Certified Thermocouple
Instrumentation & NIST
Calibrated Radiation Transfer
Standard Instrument
Low Temperature
-18 - 870°C (0 - 1600°F)
Certified RTD
Instrumentation
Calibration Source
(Blackbody)
Emissivity 1.0
Calibration Source
(Blackbody)
Emissivity < 1
Measured
Source
Emissivity
Calibrated Product
Manufacturer
Figure F-1: NIST Traceability
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