Specifications

MODEL 370 REV: D Page 4 of 26
UNCERTAINTY FRONT END INPUT
@22º C % OF TEMPERATURE AMPLIFIER RESIST-
FULL SCALE READING DRIFT RESPONSE ANCE
CURRENT RESOLUTION + 2 COUNTS% OF READING 10%-90%, mS OHMS
__________ ______________ ________ ___________ ____________ ______
1nA 0.1pA 0.7% 0.05% 150mS <1000
10nA 1pA 0.7% 0.05% 150mS <1000
100nA 10pA 0.15% 0.02% 150mS <10
1µA 100pA 0.11% 0.02% 150mS <10
10µA 1nA 0.15% 0.02% 120mS <1
100µA 10nA 0.11% 0.02% 120mS <1
1mA 100nA 0.13% 0.02% 120mS <1
1.0 GENERAL INFORMATION
1.1 Introduction
The UDT Instruments Model 370 Optical Power Meter is a microprocessor-based
radiometer / photometer of the quality synonymous with UDT Instruments
instrumentation. Human engineering and innovative features permit an operator to
make a variety of precision optical measurements.
Versatility and accuracy are the prime design parameters incorporated in the UDT
Instruments Model 370. By selecting from the broad range of available detector /
filter heads and accessories, the user may tailor the Model 370 to any specific
application requirement ad can easily modify the instrument to meet future
application needs.
1.2 Applications
Applications of the model 370 include:
Radiometry from 200 to 1800nm
Photometry
Laser Power Measurement
Cathode Ray Tube Luminance
Optical Energy Measurements
Fiber optics Power and Loss Measurements
Remote Controlled Monitoring/Automatic Testing Measurements with optical
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