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Digital insulation testing up to 10kV
The 1555 and redesigned Fluke 1550C insulation resistance testers, offer digital insulation testing up to 10kV, making them ideal for testing a wide range of high voltage equipment including switch gear, motors, generators and cables. Fluke insulation testers can now conduct the entire range of test voltages specified in IEEE 43-2000 with a best in class, 3 year warranty and CAT IV 600 V safety rating. With measurement storage and PC interface, the 1555 and 1550C are perfect tools for preventative or predictive maintenance programs designed to identify potential equipment failures before they occur.
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Fluke 1555/1550C Insulation Resistance Testers
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Lousy website.
Bad battery in Fluke 1550 MegOhmMeter&customer service, no help, no good review. could not even help with replacement parts.
September 6, 2012
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Features and benefits: - Test voltages up to 10 kV provides solutions for all applications
- CAT III 1000 V, CAT IV 600 V safety rating
- Voltage breakdown detection alerts the user that voltage is present and gives the voltage reading up to 600 V ac or dc for increased user safety
- Selectable test voltages in 50 V steps from 250 to 1000 V, and 100 V steps above 1000 V
- Measurements can be stored in up to 99 memory locations, with each location assigned a unique, user defined, label for easy recall
- Long battery life gives the user over 750 tests between charges
- Automatic calculation of Dielectric Absorption (DAR) and Polarization Index (PI) with no additional setup
- Guard system eliminates the effect of surface leakage current on high-resistance measurements
- Large digital/analog LCD for easy viewing
- Capacitance and leakage current measurement
- Ramp function for breakdown testing
- Resistance measurements up to 2TΩ
- Timer settings up to 99 minutes for timed tests
- 3-year warranty
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Electrical specifications
The tester’s accuracy is specified for one year after calibration at operating temperatures of 0 °C to 35 °C. For operating temperatures outside the range (-20 °C to 0 °C and 35 °C to 50 °C), add ± .25 % per °C, except on the 20 % bands add ± 1 % per °C.
Insulation resistance measurement
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Test voltage (dc)
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Range (dc)
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Accuracy (± reading)
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| 250 V |
< 200 kΩ
200 kΩ to 5 GΩ
5 GΩ to 50 GΩ
> 50 GΩ |
unspecified
5 %
20 %
unspecified |
| 500 V |
200 kΩ
200 kΩ to 10 GΩ
10 GΩ to 100 GΩ
> 100 GΩ |
unspecified
5 %
20 %
unspecified |
| 1000 V |
< 200 kΩ
200 kΩ to 20 GΩ
20 GΩ to 200 GΩ
> 200 GΩ |
unspecified
5 %
20 %
unspecified |
| 2500 V |
< 200 kΩ
200 kΩ to 50 GΩ
50 GΩ to 500 GΩ
> 500 GΩ |
unspecified
5 %
20 %
unspecified |
| 5000 V |
< 200 kΩ
200 kΩ to 100 GΩ
100 GΩ to 1 TΩ
> 1 TΩ |
unspecified
5 %
20 %
unspecified |
10000 V
(1555 only) |
< 200 kΩ
200 kΩ to 200 GΩ
10 GΩ to 2 TΩ
> 2 TΩ |
unspecified
5 %
20 %
unspecified |
| Bar graph range |
0 to 1 TΩ |
| Insulation test voltage accuracy |
-0 %, +10 % at 1 mA load current |
| Induced ac mains current rejection |
2 mA maximum |
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Charging rate for capacitive load
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5 seconds per μF
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Discharge rate for capacitive load
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1.5 s/μF
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Leakage current measurement
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Range: 1 nA to 2 mA
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Accuracy: ± (5 % + 2 nA)
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Capacitance measurement
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Range: 0.01 uF to 15.00 μF
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Accuracy: ± (15 % rdg + 0.03 μF)
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Timer
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Range: 0 to 99 minutes
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Resolution Accuracy:
Setting: 1 minute
Indication: 1 second
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Live circuit warning
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Warning Range:
30 V to 660 V ac/dc,
50/60 Hz
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Voltage Accuracy:
± (15 % + 2 V)
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General specifications
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| Display |
75 mm x 105 mm |
| Power |
12 V lead-acid rechargeable battery, Yuasa NP2.8-12 |
| Charger Input (AC) |
Charger Input (AC) 85 V to 250 V ac 50/60 HZ 20 VA |
| This Class II (double insulated) instrument is supplied with a Class 1 (grounded) power cord. The protective earth terminal (ground pin) is not connected internally. The extra pin is for added plug retention only. |
| Dimensions |
170 mm x 242 mm x 330 mm (6.7 in x 9.5 in x 13 in) |
| Weight |
3.6 kg (7.94 lb) |
| Temperature (operating) |
-20 ºC to 50 ºC (-4 ºF to 122 ºF) |
| Temperature (storage) |
-20 ºC to 65 ºC (-4 ºF to 149 ºF) |
| Humidity |
80 % to 31 ºC decreasing linearly to 50 % at 50 ºC |
| Altitude |
2000 m |
| Enclosure sealing |
IP40 |
| Input overload protection |
1000 V ac |
| Electromagnetic compatibility |
EN 61326 |
| Certifications |
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| Safety compliance |
CAT III 1000 V, CAT IV 600 V |
| Pollution degree |
2 |
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| Model Name | Description | Price List | Buy it | | FLUKE-1555/Kit |
10 KV INSULATION TESTER KIT
|  | | | FLUKE-1555 |
10 KV INSULATION TESTER
| | | | FLUKE-1550C/Kit |
5 KV INSULATION TESTER KIT
| | | | FLUKE-1550C |
5 KV INSULATION TESTER
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| CarePlans | Buy it | | G3P-Group2 |
- GOLD CarePlan.
- Models covered: 50 Series II (51 II, 52 II, 53 II, 54 II), 190 Series II (190-062/AM, 190-062/AM/S, 190-102/AM, 190-102/AM/S, 190-104/AM, 190-104/AM/S, 190-202/AM, 190-202/AM/S, 190-204/AM, 190-204/AM/S, 190-502/AM, 190-502/AM/S), 381, 705, 707, 709, 709H, 712, 714, 715, 717, 718, 719, 754, 787, 789, 810, 1550C, 1577, and 1587.
- Extends warranty from three to five years and includes five annual NIST traceable calibrations with data.
| |  | | G3P-Group3 |
- GOLD CarePlan.
- Models covered: 43B/003, 123/003, 124/003, 125/003, and 1555.
- Extends warranty from three to five years and includes five annual NIST traceable calibrations with data.
| | | | S3P-Group2 |
- SILVER CarePlan.
- Models covered: 50 Series II (51 II, 52 II, 53 II, 54 II), 190 Series II (190-062/AM, 190-062/AM/S, 190-102/AM, 190-102/AM/S, 190-104/AM, 190-104/AM/S, 190-202/AM, 190-202/AM/S, 190-204/AM, 190-204/AM/S, 190-502/AM, 190-502/AM/S), 381, 705, 707, 709, 709H, 712, 714, 715, 717, 718, 719, 754, 787, 789, 810, 1550C, 1577, and 1587.
- Extends warranty from three to five years.
| | | | S3P-Group3 |
- SILVER CarePlan.
- Models covered: 43B/003, 123/003, 124/003, 125/003, and 1555.
- Extends warranty from three to five years.
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| Test Leads, Probes and Clips | Buy it | | TL1550EXT | TL1550EXT, 25 Foot Extended Test Lead Set | | |
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