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Now compatible with Fluke Connect™ Mobile App
Evaluate the trends, eliminate the doubt
The Fluke 1550C insulation resistance tester offers digital insulation testing up to 5 kV, making them ideal for testing a wide range of high voltage equipment including switchgear, 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 1550C is the perfect tool for preventative or predictive maintenance programs designed to identify potential equipment failures before they occur.
The Fluke Connect™ mobile app is an easy to use, advanced wireless system for capturing and trending anomalies for troubleshooting, commissioning and preventative maintenance of insulation resistance applications.
Built with Fluke Connect™. See it. Save it. Share it.
The Fluke Connect™ mobile app saves time and increases productivity when you use your 1550C insulation tester. Capture readings up to 15 meters away on your smartphone, then use ShareLive™ video call to share test results with team members anywhere else in the world in real time. Graph readings over time to establish baseline, capture intermittent events. Add text and/or voice notes while you push or pull readings, images and notes directly to and from work orders.
- Test voltages to up 5 kV and save time by trending on the spot only with Fluke Connect™
- CAT III 1000 V, CAT IV 600 V safety rating
- Warning function alerts the user that line 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 V 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 2 TΩ
- Timer settings up to 99 minutes for timed tests
- 3-year warranty
- Free ACT calibration certificate
- IR3000FC wire less module
| 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 | ||
| Test voltage (DC) | Range | Accuracy (± reading) |
| 250 V | < 200 kΩ | Unspecified |
| 200 kΩ to 5 GΩ | 5 % | |
| 5 GΩ to 50 GΩ | 20 % | |
| > 50 GΩ | Unspecified | |
| 500 V | < 500 kΩ | Unspecified |
| 500 kΩ to 10 GΩ | 5 % | |
| 10 GΩ to 100 GΩ | 20 % | |
| > 100 GΩ | Unspecified | |
| 1000 V | < 200 kΩ | Unspecified |
| 200 kΩ to 20 GΩ | 5 % | |
| 20 GΩ to 200 GΩ | 20 % | |
| > 200 GΩ | Unspecified | |
| 2500 V | < 200 kΩ | Unspecified |
| 200 kΩ to 50 GΩ | 5 % | |
| 50 GΩ to 500 GΩ | 20 % | |
| > 500 GΩ | Unspecified | |
| 5000 V | < 200 kΩ | Unspecified |
| 200 kΩ to 100 GΩ | 5 % | |
| 100 GΩ to 1 TΩ | 20 % | |
| > 1 TΩ | Unspecified | |
| 10000 V (1555 Only) | < 200 kΩ | Unspecified |
| 200 kΩ to 200 GΩ | 5 % | |
| 200 GΩ to 2 TΩ | 20 % | |
| > 2 TΩ | Unspecified | |
| Bar graph range | 0 to 1 TΩ (1550C) – 0 to 2 TΩ (1555) | |
| Insulation test voltage accuracy | -0 %, +10 % at 1 mA load current | |
| Induced ac mains current rejection | 2 mA maximum | |
| Charging rate for capacitive load | 5 seconds per μF | |
| Discharge rate for capacitive load | 1.5 s/μF | |
| Leakage current measurement | Range: 1 nA to 2 mA | |
| Accuracy: ± (5 % + 2 nA) | ||
| Capacitance measurement | Range: 0.01 μF to 15.00 μF | |
| Accuracy: ± (15 % rdg + 0.03 μF) | ||
| Timer | Range: 0 to 99 minutes | |
| Resolution: Setting: 1 minute, Indication: 1 second | ||
| Live circuit warning | Warning range: 30 V to 660 V ac/dc, 50/60 Hz | |
| Voltage accuracy: ± (15 % + 2 V) | ||
| Software specifications | FlukeView Forms™ basic software requires a PC running Windows XP, Windows Vista , Windows 7 or Windows 8 | |
| General Specifications | ||
| Display | 75 mm x 105 mm | |
| Power | 12 V lead-acid rechargeable battery, Yuasa NP2.8-12 | |
| 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 | 269 mm x 277 mm x 160 mm (10.6 in x 10.9 in x 6.3 in) | |
| Weight | 3.7 kg (8.2 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 |  | |
| Safety compliance | IEC 61010-1: Overvoltage category II, pollution degree 2 | |
| IEC 61010-2-030: Measurement 600V CAT IIV / 1000V CAT III | ||
| IEC 61557-1, IEC 61557-2 | ||
| Fluke Connect™ compatible | Yes | |
Click on the links below for further information:
Free ACT calibration certificate with this product
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