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IRT803 1000V AC/DC Digital Insulation Resistance Tester INSTRUCTION MANUAL ENGLISH IRT803 0.1 M 10 M 100 M 20 G SELECT TEST HOLD 1000V ZERO 500V 250V 100V ZERO INSULATION CAT IV 600V FUSED CAT III 1000V 600V GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
IMPORTANT SAFETY WARNINGS WARNING Read entire Safety Notes section regarding potential hazard and proper instructions before using this meter. In this manual the word “WARNING” is used to indicate conditions or actions that may pose physical hazards to the user. The word “CAUTION”...
SYMBOLS DC (Direct current) AC (Alternating Current) Auto Power Off Active Negative DC Low Battery High Voltage COMPARE Voltage Compare Ohms/Resistance Pass Warning or Caution Test RUN TIME Fuse Run Time Kilo Hold Mega Lock Giga Greater Than PI/DAR ZERO 30 Segment Bargraph Ground CATEGORY DEFINITIONS...
OVERVIEW AND OPERATING INSTRUCTIONS IRT803 SELECT TEST HOLD 1000V ZERO 500V 250V 100V ZERO INSULATION CAT IV 600V FUSED CAT III 1000V 600V A. Worklight: Lights work area in dark environments. B. Display: High contrast and backlit. C. Apo: Auto power off after 10 minutes of use D.
P. Battery and Fuse Cover: (under protective rubber boot) Q. Serial Number (under kick stand) Voltage <600V AC/DC If the meter detects higher than AC or DC 1.5V, the meter will automatically choose AC or DC. IRT803 SELECT SELECT TEST...
Earth-Bond Resistance <20kΩ IRT 803 IRT803 SELECT SELECT TEST HOLD 1000V ZERO 500V TEST 250V 100V • Default = • Press x1 = ZERO INSULATION CAT IV 600V FUSED CAT III 1000V 600V • Short the ends of the test leads together, press the SELECT button and wait until ZERO appears. The meter measures the test leads resistance, stores the data/results in memory and subtracts it from the reading.
Continuity IRT803 IRT803 SELECT TEST HOLD 1000V ZERO 500V 250V 100V • Default = ZERO INSULATION CAT IV 600V FUSED CAT III 1000V 600V Features: HOLD WARNING • Do not measure resistance/continuity on a live circuit. • Beeper sounds constant as long as circuit is complete.
Insulation Resistance/1000V/ 500V/ 250V/ 100V 1000V ZERO IRT803 IRT803 500V 250V 0.1 M 10 M 100 M 20 G 100V TEST 1000V ZERO 500V SELECT 250V 100V TEST HOLD 1000V ZERO 500V 250V • Default = 100V 1000V ZERO 500V...
Polarization Index & Dielectric Absorption Ratios (1000V, 500V, 250V, 100V) 1000V IRT803 IRT803 ZERO 500V 0.1 M 10 M 100 M 20 G 250V 100V RUN TIME : • Press X1 = 1000V ZERO • Press X2 = 500V SELECT...
Compare Function Use the Compare Function to set “Pass/Fail” compare levels for insulation measurements. Press the Compare Button to select the desired compare value. Choose from the following values: • 100kΩ • 200kΩ • 500kΩ • 1MΩ • 2MΩ • 5MΩ •...
Testing the Fuse IRT803 TEST SELECT TEST HOLD 1000V ZERO 500V 250V 100V ZERO INSULATION CAT IV 600V FUSED CAT III 1000V 600V WARNING: To avoid electrical shock or injury, remove the test leads and any input signals/voltages before replacing the fuse.
Battery Replacement • When the batteries are too low for safe operation, the Low Battery indicator will display AA battery • Remove protective rubber AA battery boot. AA battery • Remove battery cover. • Replace the batteries (4 AA). AA battery •...
WARRANTY The IRT803 is warranted to be free from defects in materials and workmanship for a period of 1 year from the date of purchase. If within the warranty period your instrument should become inoperative from such defects, the unit will be repaired or replaced at UEi’s option.
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