Competitive Cross Reference

WWW.UEITEST.COM USA 1.800.547.5740
CANADA 1.877.475.0648
600V AC/DC Digital Insulation
Resistance Tester
IRT803
Key Selling Points
Battery Voltage Check
The IRT803 is a professionally featured insulation resistance tester that offers on-board battery voltage test to
check instrument battery levels for quick diagnostics.
Insulation Range
Professional insulation ranges from 100 – 1000V to test pumps, compressors, fans, HVAC and refrigeration
equipment for deterioration, faults and current leakage.
PI/DAR Testing
The IRT803 uses timed ratio tests to detect insulation resistance which include the polarization index (PI) and dielec-
tric absorption rate (DAR). These tests help identify changes in current over a specific period of time, then display
readings as a ratio.
Competitive Comparison
Further comparisons on the back
Brand UEi Fluke Fluke
Part Number IRT803 1577 1587
True RMS • •
CAT Rating CATIV 600V/CATIII 1000V CATIV 600V/CATIII 1000V CATIV 600V/CATIII 1000V
DC Volt
Range 600V 600mV to 1000V 600mV to 1000V
Accuracy ±(2% + 3 dgts) ±(0.2% +2 dgts) ±(0.09% +2 dgts) to ±(0.1% +1 dgts)
Resolution 0.1V 0.1mV to 1V 0.1mV to 1 V
AC Volt
Range 600V 600mV to 1000V 600mV to 1000V
Accuracy
±(2% + 3 dgts) ±(2% +3 dgts)
50Hz to 60Hz: ±(1% + 3 dgts) to ±(2% +3 dgts)
60Hz to 5000Hz: ±(2% +3 dgts)
Resolution 0.1V 0.1mV to 1V 0.1mV to 1V
Earth-bond Resistance
Range 20.00Ω to 20.00kΩ
Accuracy ±(1.5% + 3 digits)
Resolution 0.01Ω to 0.01kΩ
Continuity
Range 400.0Ω 1000Ω 1000Ω
Resolution 0.1Ω 1Ω 1Ω
Capacitance
Range 1000nF to 9999µF
Accuracy ±(1.2% +2 dgts) to ±(1.2% +90 counts)
Resolution 1nF to 1µF
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