
M330 Manual Introduction 9
2 Introduction
2.1 Description
The M330 is a blackbody calibration source utilizing a digital indicating temperature controller
that may be set to any temperature between 300 °C (572 °F) and 1700 °C (3092 °F). A precision
thermocouple is embedded in the blackbody cavity providing high accuracy and repeatability.
The temperature controller uses the industry standard PID algorithms to control the emitter
temperature to within +/-0.5 °C. The blackbody uses a resistive heater that provide long life.
Running at temperatures greater than 1600 °C for long periods will shorten heater life.
2.2 Technical Data
Temperature Range:
300 C to 1700 C or 572 F to 3092 F
±0.25% of reading ±1 C
0.1 C
0.5 C per 8 hour period
Non-Uniformity: ±1 C within center 1/3 of ID.
length.
radiance calibration only
65 to 80 minutes from 300 to 1600 C
0 C to 44 C (32 F to 110 F)
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2.3 Calibration Certificate
The certificate of calibration of your blackbody source has been enclosed as a part of this
manual or under separate cover. This certificate contains valuable information including
traceability number to NIST. Please observe recommended date of next calibration.
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