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.

• Test voltages to up 5 kV
• 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

• 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

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