Fluke 1503 Insulation Resistance Meter – Duncan Instruments Canada Ltd
Fluke 1503 Insulation Resistance Meter
Fluke 1503 Insulation Resistance Meter
Fluke 1503 Insulation Resistance Meter
Fluke 1503 Insulation Resistance Meter

Fluke 1503 Insulation Resistance Meter

Regular price $ 821.00 CAD Sale

Compact, rugged, reliable, and easy to use, this insulation resistance tester features multiple test voltages, which is ideal for many troubleshooting, commissioning, and preventative maintenance applications. Additionally, it comes equipped with a remote probe, test leads, test probes, and alligator clips.

Handle all the basic insulation testing needs with this insulation resistance tester.

Ideal for basic residential and commercial electrical insulation testing, this rugged, compact, and easy to use tool fits in the palm of your hand. You can depend on it to handle the most common tests and additional features, such as the remote probe, decreases the time needed to perform repetitive testing.


  • A rugged, compact insulation resistance tester for residential and commercial electricians
  • Performs insulation tests from 0.01 to 2000 MΩ
  • Offers two insulation test voltages: 500 and 1000 V
  • Includes live circuit detection to prevent insulation test if voltage >30 V is detected
  • Measures resistance from 0.01 to 20.00 kΩ
  • Measures AC/DC voltage from 0.1 to 600 V
  • Includes auto-discharge of capacitive voltage for added user protection
  • Provides lo-ohms earth-bond continuity (200 mA)
  • Simplifies repetitive or hard-to-reach testing with the remote test probe
  • Saves battery power with auto power off
  • Presents results on a large, backlit display
  • Features CAT IV 600 V overvoltage category rating
  • Runs on 4 x AA alkaline batteries (NEDA 15 A or IEC LR6) for at least 1000 insulation tests
  • Save battery power with auto power off

Fluke 1503 Specifications

AC/DC Voltage Measurement
Accuracy Range: 600 V
Resolution: 0.1 V
50 to 400 Hz ± (%of Rdg + Digits): ±(2% + 3)
Input Impedance 3 MΩ (nominal), <100 pF
Common Mode Rejection Ratio (1 kΩ unbalanced) >60 dB at DC, 50 or 60 Hz
Overload Protection 600 V rms or DC
Earth Bond Resistance Measurement
Range/Resolution 20 Ω:0.01 Ω
200 Ω:0.1 Ω
2000 Ω:1 Ω
20k Ω:0.01 kΩ
Accuracy ±(1.5% + 3)
Overload Protection 2 V rms or DC
Open Circuit Test Voltage >4 V, <8 V
Short Circuit Current >200 mA
Insulation Specifications
Measurement Range 0.01 to 2000 MΩ
Test Voltage 500 V, 1000 V
Test Voltage Accuracy +20%, -0%
Short Circuit Current 1 mA nominal
Auto Discharge Discharge time <0.5 second for C = 1 µF or less
Live Circuit Indicator Inhibit test if terminal voltage >30 V prior to initialization of test
Maximum Capacitive Load Operable with up to 1 µF load
Measure Accuracy 500 V: ±(1.5% + 5)
1000 V: ±(1.5% + 5) to 2000 MΩ, ±(10% + 3) above 2000 MΩ

What's included with the Fluke 1503

  • Insulation Resistance Tester
  • Remote Probe
  • Test Leads
  • Test Probes
  • Alligator Clips
  • User Documentation
  • One Year Warranty