Portable Multifunction calibrator high precision and multi-function calibrator,integrates AC\DC voltage source, AC\DC current source, DC resistance source, etc. It is portable and very suitable for on-site calibration 2. Features • DC volta

VLF hipot and VLF testing is as simple as an AC hipot on lower frequency output (at 0.1 Hz). The only way to field test high capacitance loads with AC voltage, like cables and motors/generators, is to use a VLF AC hipot. Lower the frequency, Lower w

Supplier of Single phase secondary current injection test set High current ac outout High current dc output AC/DC Current output unique feature, output 250Aac continuously for 120 seconds, could be used for testing motor overload relay easily. Also,

Portable CT ratio and phase displacement error testing equipment features: 1.Voltage input to the secondary side of the current transformer, excitation current and voltage measurement 2. Polarity Test: Determination of Subtractive and Additive Polari