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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, alligator clips, and 50' test lead.
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, alligator clips, and 50' test lead.
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.
Features
Applications
Disconnect any electronic devices like motor drives, PLC’s, transmitters, etc. before performing insulation testing. Electronics can be damaged by applying higher than normal voltage.
The effect of temperature should be considered - it is recommended that tests be performed at a standard conductor temperature of 20 °C (68 °F) or that a temperature baseline is established while compensating future readings by using a DMM with a probe or an infrared thermometer.
Select a test voltage appropriate for the insulation being tested. The objective is to stress the insulation but not to over-stress it. When in doubt, use a lower test voltage. It’s usually appropriate to test insulation at twice the voltage it normally sees: for example 460 V to 600 V rated equipment is often tested at 1000 V.
When using an insulation tester, leave the leads connected when you stop the test. The insulation tester can discharge any residual test voltage.
Conductors that are close to each other have a normal capacitance. This will cause an insulation resistance reading to start low and increase steadily until it stabilizes. This type of increase is normal, but if the reading jumps violently down and up again this indicates arcing.
Although the current is tightly limited, an insulation tester can generate sparks and minor but painful burns. The unexpected surprise can cause an operator to jerk away. As always, work away from live systems and use safe work practices when working overhead.
| 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 |
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| Two in one tools | Stand-alone tools | |||||
| Insulation test features | 1587 FC | 1577 | 1503 | 1507 | 1550C | 1555 |
| Test voltages | 50 V, 100 V, 250 V, 500 V, 1000 V | 500 V, 1000 V | 500 V, 1000 V | 50 V, 100 V, 250 V, 500 V, 1000 V | 250 V to 5000 V | 250 V to 10,000 V |
| Insulation resistance range | 0.01 MΩ to 2 GΩ | 0.01 MΩ to 600 GΩ | 0.01 MΩ to 2000 GΩ | 0.01 MΩ to 10 GΩ | 250 kΩ to 1 TΩ | 250 kΩ to 2 TΩ |
| PI/DAR | ||||||
| Auto discharge | ||||||
| Timed ramp test (Breakdown) | ||||||
| Pass/fail comparison | ||||||
| Est. # of IRT tests | 1000 | 1000 | 2000 | 2000 | Various | Various |
| Voltage > 30 V warning | ||||||
| Memory | With Fluke Connect App | |||||
| Remote test probe | ||||||
| Lo ohms/earth-bond continuity | 200 mA source (10 mΩ resolution) | 200 mA source (10 mΩ resolution) | ||||
| Display | Digital LCD | Digital LCD | Digital LCD | Digital LCD | Digital LCD/ analog display | Digital LCD/ analog display |
| Hold/lock | ||||||
| Multimeter features | ||||||
| AC/DC volts | Note: Not all product features and specifications are listed in this table. For more complete information, see individual product data sheets. Footnotes: |
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| Current | ||||||
| Resistance | ||||||
| Continuity beeper | ||||||
| Temperature (contact) | ||||||
| Lo-pass filter2 | ||||||
| Capacitance | ||||||
| Diode test | ||||||
| Frequency | ||||||
| MIN/MAX | ||||||
| Other features | ||||||
| Backlight | ||||||
| Software | Fluke Connect compatible | FlukeView® Forms Basic | Fluke View® Forms Basic | |||
| Battery | 4 AA (NEDA 15A or IEC LR6) | 4 AA (NEDA 15A or IEC LR6) | 4 AA (NEDA 15A or IEC LR6) | 4 AA (NEDA 15A or IEC LR6) | Rechargeable | Rechargeable |
Click on a category to view a selection of compatible accessories with the Fluke 1503/EX-LEAD Extended Lead Insulation Resistance Meter Kit.
| 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 |
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|
|
|
|
|
|
|---|---|---|---|---|---|---|
| Two in one tools | Stand-alone tools | |||||
| Insulation test features | 1587 FC | 1577 | 1503 | 1507 | 1550C | 1555 |
| Test voltages | 50 V, 100 V, 250 V, 500 V, 1000 V | 500 V, 1000 V | 500 V, 1000 V | 50 V, 100 V, 250 V, 500 V, 1000 V | 250 V to 5000 V | 250 V to 10,000 V |
| Insulation resistance range | 0.01 MΩ to 2 GΩ | 0.01 MΩ to 600 GΩ | 0.01 MΩ to 2000 GΩ | 0.01 MΩ to 10 GΩ | 250 kΩ to 1 TΩ | 250 kΩ to 2 TΩ |
| PI/DAR | ||||||
| Auto discharge | ||||||
| Timed ramp test (Breakdown) | ||||||
| Pass/fail comparison | ||||||
| Est. # of IRT tests | 1000 | 1000 | 2000 | 2000 | Various | Various |
| Voltage > 30 V warning | ||||||
| Memory | With Fluke Connect App | |||||
| Remote test probe | ||||||
| Lo ohms/earth-bond continuity | 200 mA source (10 mΩ resolution) | 200 mA source (10 mΩ resolution) | ||||
| Display | Digital LCD | Digital LCD | Digital LCD | Digital LCD | Digital LCD/ analog display | Digital LCD/ analog display |
| Hold/lock | ||||||
| Multimeter features | ||||||
| AC/DC volts | Note: Not all product features and specifications are listed in this table. For more complete information, see individual product data sheets. Footnotes: |
|||||
| Current | ||||||
| Resistance | ||||||
| Continuity beeper | ||||||
| Temperature (contact) | ||||||
| Lo-pass filter2 | ||||||
| Capacitance | ||||||
| Diode test | ||||||
| Frequency | ||||||
| MIN/MAX | ||||||
| Other features | ||||||
| Backlight | ||||||
| Software | Fluke Connect compatible | FlukeView® Forms Basic | Fluke View® Forms Basic | |||
| Battery | 4 AA (NEDA 15A or IEC LR6) | 4 AA (NEDA 15A or IEC LR6) | 4 AA (NEDA 15A or IEC LR6) | 4 AA (NEDA 15A or IEC LR6) | Rechargeable | Rechargeable |
Click on a category to view a selection of compatible accessories with the Fluke 1503/EX-LEAD Extended Lead Insulation Resistance Meter Kit.
