Electric Test Equipments
Combo high voltage DC proof testers/megohmmeters allow testing dielectric strength & insulation resistance with one instrument, saving money, size & weight
• Rugged, reliable and contains all functions needed for periodic electrical maintenance testing & retest of recently installed electrical apparatus
• Insulation Resistance at any rated output voltage up to 7,500 GΩ
• Dual-range voltmeter and five-range ammeter with 0-1µA low scale setting & 10nA resolution for leakage current measurements
• Full-wave rectified bridge circuit, with DC ripple < 2.5% RMS
• Regulated input for accurate, reliable results – ideal for field use…±1% stability with ±10% line change
• Built-in HV discharge solenoid/ resistors…2.5, 5.0 & 7.5kJ for post-test internal shorting
• Rugged industrial case with cushion grip handles
• Output current limited to 10mA
• Built-in test lead storage
• Surge & transient protected
• Continuous Duty Cycle
• Rugged industrial case with cushion grip handles
• Built-in “zero-start” and external safety interlocks
• Insulated Return and Guard circuit to bypass stray or unwanted leakage current during testing