Fluke 1555 10 kV Insulation Tester Kit
The Fluke 1555 is a handheld instrument for digital insulation testing on equipment to check if the insulation is still performing as it should. It is typically used to identify weakening in cables, motors, generators, switchgear, and other electrical equipment before it develops into an operational shutdown.
What is special about the 1555 is that it can test with DC voltage up to 10 kV. This makes it relevant when working with higher test voltages than smaller insulation testers. At the same time, it can display insulation resistance up to 2 TΩ, and it also measures leakage current and capacitance. In practice, this means you don't just get a simple yes/no answer, but also a better impression of how the insulation behaves under load.
The instrument also has a ramp function for breakdown testing, where the voltage is gradually increased to see when the insulation fails. This is useful for troubleshooting and for checking systems where you want to uncover weaknesses early. In addition, it warns if there is already mains voltage on the test object, so you don't start a test on a live circuit.
Fluke Connect compatibility makes it possible to start and stop the test remotely and monitor the development over time. This is especially practical in preventive maintenance, where you want to compare measurements and see if the insulation changes from time to time.
As a kit, it comes with test leads with alligator clips, heavy-duty alligator clip leads, infrared adapter with interface cable, power cord, quick reference card, installation guide for the USB-IR cable, hard IP67 case, and calibration certificate. This means you get a complete solution that is ready for fieldwork and storage between tasks.
If you need an insulation tester for higher test voltages and for working on larger electrical systems, this is a very relevant model. If the task, however, needs to be solved at lower voltages, or the measurement range is less demanding, a smaller model may be sufficient.
You can read more here:
See datasheet from the manufacturer
Specifications
- Digital insulation testing with DC voltage up to 10 kV
- Insulation resistance up to 2 TΩ
- Measures capacitance and leakage current
- Ramp function for breakdown testing
- Warning for presence of line voltage up to 600 V AC/DC
- Fluke Connect compatible
- Safety category: CAT III 1000 V and CAT IV 600 V
- Supplied as a kit with accessories, hard case, and calibration certificate
- Three-year warranty
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