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Fluke 1503 Insulation Resistance Tester

Fluke 1503 Insulation Resistance Tester

Brand
Fluke
Model number
1503

Compact insulation tester, 500 V and 1000 V test voltages, 0.01 MΩ to 2000 MΩ, with live circuit detection.

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Key features

  • A rugged, compact insulation resistance tester for residential and commercial electricians
  • Performs insulation tests from 0.01 MΩ to 2000 MΩ
  • Offers two insulation test voltages: 500 V and 1000 V
  • Includes live circuit detection to prevent insulation test if voltage >30 V is detected
  • Measures resistance from 0.01 Ω to 20.00 kΩ

Specifications

AC/DC Voltage Measurement
Accuracy, Range600.0 V
Accuracy, Resolution0.1 V
Accuracy50 Hz to 400 Hz ±⁠(% of Rdg + Digits); ±⁠(2% + 3)
Input impedance3 MΩ (nominal), < 100 pF
Common mode rejection ratio (1 kΩ unbalanced)> 60 dB at DC, 50 or 60 Hz
Overload protection600 V rms or DC
Earth Bond Resistance Measurement
Range/Resolution20.00 Ω; 0.01 Ω; 200.0 Ω; 0.1 Ω; 2000 Ω; 1.0 Ω; 20.00 kΩ; 0.01 kΩ
Accuracy±⁠(1.5% + 3)
Overload protection2 V rms or DC
Open circuit test voltage> 4.0 V, < 8 V
Short circuit current> 200.0 mA
Insulation Specifications
Measurement range0.01 MΩ to 2000 MΩ
Test voltage500 V, 1000 V
Test voltage accuracy+ 20%, - 0%
Short circuit current1 mA nominal
Auto dischargeDischarge time < 0.5 second for C = 1 µF or less
Live circuit indicatorInhibit test if terminal voltage > 30 V prior to initialization of test
Maximum capacitive loadOperable with up to 1 µF load
Measure accuracy
Measure accuracy500 V; ±⁠(1.5% + 5); 1000 V; ±⁠(1.5% + 5) to 2000 MΩ, ±⁠(10% + 3) above 2000 MΩ
General Specifications
Maximum voltage applied to any terminal600 V AC rms or DC
Storage temperature-40°C to 60°C (-40°F to 140°F)
Operating temperature-20°C to 55°C (-4°F to 131°F)
Temperature coefficient0.05 x (specified accuracy) per °C for temperatures < 18°C or > 28°C (< 64°F or > 82°F)
Relative humidity
Relative humidity0% to 95% @ 10°C to 30°C (50°F to 86°F); 0% to 75% @ 30°C to 40°C (86°F to 104°F); 0% to 40% @ 40°C to 55°C (104°F to 131°F)
VibrationRandom, 2 g, 5-500 Hz per MIL-PRF-28800F, Class 2 instrument
Shock1 meter drop per IEC 61010-1 2nd Edition (1 meter drop test, six sides, oak floor)
SafetyComplies with ANSI/ISA 82.02.01 (61010-1) 2004, CAN/CSA-C22.2 NO. 61010-1-04, and IEC/EN 61010-1 2nd Edition for measurement category IV 600 V (CAT IV)
CertificationsCSA per standard CSA/CAN C22.2 No. 61010.1-04; TUV per standard IEC/EN 61010-1 2nd Edition
BatteriesFour AA batteries (NEDA 15A or IEC LR6)
Battery llife, Insulation test useTester can perform at least 1000 insulation tests with fresh alkaline batteries at room temperature. These are standard tests of 1000 V into 1 MΩ with a duty cycle of 5 seconds on and 25 seconds off.
Battery llife, Resistance measurementsTester can perform at least 2500 earth bond resistance measurements with fresh alkaline batteries at room temperature. These are standard tests of 1 Ω with a duty cycle of 5 seconds on and 25 seconds off.
Size (H x W x L)5.0 x 10.0 x 20.3 cm (1.97 x 3.94 x 8.00 in)
Weight550 g (1.2 lb)
IP ratingIP40
Altitude, Operating2000 m CAT IV 600 V, 3000 m CAT III 600 V
Altitude, Non-operating (storage)12,000 m
Over-range capability110% of range
Included accessoriesTL224 Test Leads, TP74 Test Probes, clips PN 1958654 (red) and PN 1958646 (black), holster and remote probe
Supplied with
ContentsRemote probe; Test leads; Test probes; Alligator clips; User documentation

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

About the 1503

The Fluke 1503 covers basic insulation testing for residential and commercial electricians in a rugged, palm-sized case. It tests insulation at 500 V and 1000 V from 0.01 MΩ to 2000 MΩ, detects live circuits to stop a test, and is supplied with a remote probe.

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