Fluke 1550C

Quickly configure, start, and stop tests remotely, a safe distance away from any operating, energized equipment, using Fluke Connect and a smartphone
Real time trending gives you easy-to-see visual cues, rather than hard to read, rapidly changing values
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
Selectable test voltages in 50 V steps from 250 to 1000 V, and 100 V steps above 1000 V
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
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
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