The GPI-800 Series safety tester series offer an economical solution for the most frequently used electrical safety requirement, the AC withstanding test. The GPI-800 Series provide a reliable and accurate test environment for the operator through a number of safety-oriented features, such as a zero turn-on switch, remote control functions, and a PASS/FAIL signal output. In addition to the basic AC Withstanding test, the GPI-825 feature Insulation Resistance testing. With a 500VA of AC capacity for the GPI-825, there is ample headroom for testing a wide range of electrical equipment and components. The simple and robust GPI-800 Series can be used effortlessly in almost any real world application. Output voltage: DC 500V/1000V. Resistance: 1 to 2000MO. Resistance accuracy: 1 to 500MO: +/- (5 percent reading 2counts), 501MO to 2000MO: +/- (10 percent reading 2counts). Test time: 1 to 180sec or Continual. Arc Detection: 0.3 to 100mA, 0.3 to 20mA (GPI-826). Digital display: V, A, Time. Voltage: 3-1/2 digits 0.39" LED. Current: 3-1/2 digits 0.39" LED. Timer: 3 digits 0.39" LED. Power Source, 100 MHz Bandwidth:115 +/- 10 percent or 230V +/- 10 percent, 50/60 Hz (factory setting) AC. Measures 330mm width by 149mm height by 446mm depth.