HT2051: power unit

• High protection grade with differential relay, inner temperature control system, power circuit continuity control system
• Limit contact voltage control for operator’s safety
• Digital display of voltage and current
• Manual and automatic (with HT2052) operating mode in the genera-tion of sequences (0, 1, 2) of test current (max. 35A)
• High output power
• Synchronization with control unit HT2052

HT2052: voltage unit

• Input impedance selection: 1M , 1k from keyboard
• Setting of fault earth current/test current relationship
• Setting of step/contact voltage threshold values
• Manual and automatic (with unit HT2051) operating modes
• Compensation of disturbance voltages on meas. (Erbacher method)
• Voltage measurement Earth resistance measurement
• Clock function
• In-built serial printer for totally/partially printing results
• Storage of more than 350 measures
• Connection to PC by means of in-built RS-232 port
• Software in Windows environment for analyses from PC of stored results

• 1 winding system with 4mm2 cable, L=100m
• 3 metal probes, L=1m
• 1 cable 4mm2, L=10m with alligator clips
• 1 cable 4mm2, L= 3m with alligator clips
• 1 hammer, 1.5kg
• Couple of test leads for HT2052
• 2 weight, 25kg
• TOPVIEW Windows software + RS-232 serial cable
• Carrying bag for accessories
• ISO9000 calibration certificates
• User manuals