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| MegOhmMeter (Model 1550B) |
| Manufacturer: Fluke |
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The Fluke 1550B is a digital insulation tester capable of testing switchgear, motors, generators and cables at up to 5000 V DC. It can be used for a wide range of tests: from simple spot checks to timed tests and breakdown tests. Measurement storage and PC interface software make it ideal for preventive maintenance. Heavy-duty leads, probes and alligator clips fit in the custom carrying case, for a rugged field testing kit.
General Features:
- Test voltages of 250V, 500 V, 1000 V, 2500 V, and 5000 V
- Capable of testing in 50V increments between 250V and 1000V and 100V increments between 1000V and 5000V
- Measures 0 to 1 Tera-Ohm
- Warning voltage function alerts the user that line voltage is present and gives the voltage reading up to 600 V AC or DC
- Guard system eliminates the effect of surface leakage current on high-resistance measurements
- Large digital/analog LCD shows detailed measurement data
- Cable or insulation capacitance
- Leakage current
- Ramp function (0-5000 V DC) for breakdown testing
- Timer 1 to 99 minutes
- Polarization index and dielectric absorption calculated automatically
- 99 memory locations store all measurements parameters
- Includes FlukeView Forms Basic Software and Optical Interface cable for easy download to a Windows (R) PC
- Two year warranty
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| Specifications |
| Test Voltage 250 V DC |
| Range: |
200 kÙ to 5 GÙ |
| Accuracy: |
5% |
| Range: |
5 GÙ to 50 GÙ |
| Accuracy: |
20% |
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| Test Voltage 500 V DC |
| Range: |
200 kÙ to 10 GÙ |
| Accuracy: |
5% |
| Range: |
10 GÙ to 100 GÙ |
| Accuracy: |
20% |
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| Test Voltage 1000 V DC |
| Range: |
200 kÙ to 20 GÙ |
| Accuracy: |
5% |
| Range: |
20 GÙ to 200 GÙ |
| Accuracy: |
20 |
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| Test Voltage 2500 V DC |
| Range: |
200 kÙ to 50 GÙ |
| Accuracy: |
5% |
| Range: |
50 GÙ to 500 GÙ |
| Accuracy: |
20% |
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| Test Voltage 5000 V DC |
| Range: |
200 kÙ to 100 GÙ |
| Accuracy: |
5% |
| Range: |
100 GÙ to 1 TÙ |
| Accuracy: |
20% |
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| Short circuit current |
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| Bar graph |
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| Insulation test voltage |
| Accuracy: |
0% to 10% at 1 mA load current |
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| Induced AC mains current rejection |
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| Charging rate for capacitive load |
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| Leakage current |
| Range: |
1 nA to 2 mA |
| Accuracy: |
±(5% + 2 nA) |
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| Capacitance measurements |
| Range: |
0.01 µF to 15.00 µF |
| Accuracy: |
±(15% rdg + 0.03 µF) |
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| Live circuit indicator |
| Range: |
30 V to 600 V (AC/DC, 50/60 Hz) |
| Accuracy: |
±(5% + 2V) |
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| Timer |
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1 - 99 minutes |
| Settable: |
1 minute increments |
| Indication: |
1 second resolution |
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| Ramp |
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0% to 100% of selected test voltage, or until breakdown |
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| Environmental Specifications |
| Operating Temperature |
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-20°C to +50°C (-4°F to 122°F) |
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| Storage Temperature |
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-20 °C to +65 °C (-4°F to 149°F) |
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| Humidity (Without Condensation) |
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80% at 31 °C (87.8°F), 50% at 50 °C (122°F) |
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| Dust/water resistance |
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| Operating Altitude |
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| Safety Specifications |
| Safety Rating |
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EN 61010-1, CAT III 600V, EN61557, Parts 1 & 2 |
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| EMI immunity |
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| Mechanical & General Specifications |
| Size |
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170mm x 242mm x 330 mm (6.7" x 9.5" x 13.0") |
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| Weight |
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4 kg (with battery) (8.8 lbs) |
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| Batteries |
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12 V, lead-acid, rechargeable |
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| Warranty |
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| Battery Life |
| Test voltage: |
Number of tests |
| 250 V: |
4100 |
| 500 V: |
3600 |
| 1000 V: |
3200 |
| 2500 V: |
2500 |
| 5000 V: |
1500 |
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| Shock & Vibration |
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| Charger input |
| AC: |
85 to 250 V AC, 50/60 Hz, 50 VA |
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Part Number: 
