

SKU: FLUKE- 1503
Fluke 1503 insulation resistance testers are not your typical insulation resistance meters. They are rugged, compact, reliable & ideal for troubleshooting.
List price. Volume pricing available.
Fluke 1503 insulation resistance testers are not your typical insulation resistance meters. They are rugged, compact, reliable & ideal for troubleshooting.
The Fluke 1503 Insulation Tester (Americas) # FLUKE- 1503 is manufactured by Fluke. Valley Instrument Service is an authorized Fluke dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.
Our team can help with product selection, specs, pricing, and application support.
Contact Us or Call (661) 327-8681| General | AC/DC Voltage Measurement |
| Range | 600.0 V |
| Resolution | 0.1 V |
| 50 Hz 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 |
| Accuracy | Earth Bond Resistance Measurement |
| 20.00 Ω | 0.01 Ω |
| 200.0 Ω | 0.1 Ω |
| 2000 Ω | 1.0 Ω |
| 20.00 kΩ | 0.01 kΩ |
| Open circuit test voltage | > 4.0 V, < 8 V |
| Short circuit current | > 200.0 mA |
| Range/Resolution | Insulation Specifications |
| Measurement range | 0.01 MΩ to 2000 MΩ |
| Test voltage | 500 V, 1000 V |
| Test voltage accuracy | + 20%, - 0% |
| 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 |
| 500 V | ±(1.5% + 5) |
| 1000 V | ±(1.5% + 5) to 2000 MΩ, ±(10% + 3) above 2000 MΩ |
| Maximum voltage applied to any terminal: | 600 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 coefficient | 0.05 x (specified accuracy) per °C for temperatures 28°C ( 82°F) |
| Vibration | Random, 2 g, 5-500 Hz per MIL-PRF-28800F, Class 2 instrument |
| Shock | 1 meter drop per IEC 61010-1 2nd Edition (1 meter drop test, six sides, oak floor) |
| Electromagnetic compatibility | In an RF field of 3 V/M, accuracy = specified accuracy (EN 61326-1:1997) |
| Safety | Complies 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) |
| Certifications | CSA per standard CSA/CAN C22.2 No. 61010.1-04; TUV per standard IEC/EN 61010-1 2nd Edition |
| Batteries | Four AA batteries (NEDA 15A or IEC LR6) |
| Insulation test use: | Tester 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. |
| Resistance measurements: | Tester 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) |
| Weight | 550 g (1.2 lb) |
| IP rating | IP40 |
| Operating | 2000 m CAT IV 600 V, 3000 m CAT III 600 V |
| Non-operating (storage) | 12,000 m |
| Over-range capability | 110% of range |
| Included accessories | TL224 Test Leads, TP74 Test Probes, clips PN 1958654 (red) and PN 1958646 (black), holster and remote probe |
This product is part of a family with 2 models. Select a model below to view details.
| Model | Price | |
|---|---|---|
FLUKE-1503/EX LEAD | Request Quote | View Details → |
FLUKE- 1503Current | Request Quote | Viewing |

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