Fluke 1503 Insulation Resistance Meter
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
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Product details
Product overview: Fluke 1503 Insulation Resistance Meter
Fluke 1503 Insulation Resistance Tester handles all the basic insulation testing needs
The Fluke 1503 is a great choice for basic residential and commercial electrical insulation testing. This rugged, compact tool fits in the palm of your hand. The 1503 is the same form factor as the Fluke 1507 but with a few less features. You can count on it to handle the most common tests at a most affordable price. Additional features, like the remote probe, reduce the time needed to perform repetitive testing.
Other useful capabilities:
- Measures AC/DC voltage from 0.1 V 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
- Comes with remote probe, test leads, test probes, alligator clips, and one-year warranty
- Accepts optional Fluke TPAK magnetic hanging system to free your hands for other work
- Runs on four AA alkaline batteries (NEDA 15 A or IEC LR6) for at least 1000 insulation tests
Specifications
| AC/DC Voltage Measurement | |
|---|---|
| Measurement Range | 600.0 V |
| Resolution | 0.1 V |
| Accuracy (50 Hz to 400 Hz) | ±(2% of Reading + 3 Digits) |
| Input Impedance | 3 MΩ (Nominal), <100 pF |
| Common Mode Rejection Ratio | >60 dB at DC, 50/60 Hz (1 kΩ Unbalanced) |
| Overload Protection | 600 V AC rms or DC |
| Earth Bond Resistance Measurement | |
| Measurement Ranges | 20.00 Ω (0.01 Ω Resolution) 200.0 Ω (0.1 Ω Resolution) 2000 Ω (1 Ω Resolution) 20.00 kΩ (0.01 kΩ Resolution) |
| Accuracy | ±(1.5% + 3 Digits) |
| Open Circuit Test Voltage | >4 V, <8 V |
| Short Circuit Current | >200 mA |
| Overload Protection | 2 V AC rms or DC |
| Insulation Resistance Measurement | |
| Measurement Range | 0.01 MΩ to 2000 MΩ |
| Test Voltages | 500 V, 1000 V |
| Test Voltage Accuracy | +20%, -0% |
| Short Circuit Current | 1 mA Nominal |
| Auto Discharge | <0.5 Second (for capacitance ≤1 µF) |
| Live Circuit Indicator | Prevents testing if terminal voltage exceeds 30 V |
| Maximum Capacitive Load | Up to 1 µF |
| Accuracy (500 V) | ±(1.5% + 5 Digits) |
| Accuracy (1000 V) | ±(1.5% + 5 Digits) up to 2000 MΩ ±(10% + 3 Digits) above 2000 MΩ |
| General Specifications | |
| Maximum Terminal Voltage | 600 V AC rms or DC |
| Operating Temperature | -20 °C to 55 °C (-4 °F to 131 °F) |
| Storage Temperature | -40 °C to 60 °C (-40 °F to 140 °F) |
| Temperature Coefficient | 0.05 × specified accuracy per °C outside 18 °C to 28 °C |
| Relative Humidity | 0–95% RH @ 10–30 °C 0–75% RH @ 30–40 °C 0–40% RH @ 40–55 °C |
| Vibration | Random, 2 g, 5–500 Hz (MIL-PRF-28800F Class 2) |
| Shock | 1 m Drop Test (IEC 61010-1) |
| Electromagnetic Compatibility | EN 61326-1 (3 V/m RF Field) |
| Safety Standards | ANSI/ISA 61010-1, CAN/CSA C22.2 No. 61010-1, IEC/EN 61010-1 CAT IV 600 V |
| Certifications | CSA, TÜV |
| Battery | 4 × AA Alkaline Batteries (NEDA 15A / IEC LR6) |
| Battery Life | Insulation Testing: ≥1000 tests (1000 V into 1 MΩ)
Earth Bond Testing: ≥2500 tests (1 Ω) |
| Dimensions (H × W × L) | 5.0 × 10.0 × 20.3 cm (1.97 × 3.94 × 8.00 in) |
| Weight | 550 g (1.2 lb) |
| IP Rating | IP40 |
| Operating Altitude | 2,000 m (CAT IV 600 V), 3,000 m (CAT III 600 V) |
| Storage Altitude | 12,000 m |
| Over-range Capability | 110% of Range |
| Included Accessories | TL224 Test Leads TP74 Test Probes Red Clip (PN 1958654) Black Clip (PN 1958646) Holster Remote Probe |
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