| Technical Specification |
| Function | Insulation resistance test, AC/DC voltage test |
| Power Supply | DC1.5V LR14X6PCS dry battery continues stand by above 100h |
| Rated Voltage | ETCR3480A: 50V;250V;500V;1000V;2500V ETCR3480B: 50V;250V;500V;1000V;2500V;5000V |
| Output Voltage Accuracy | (5%~10%)±10V |
| Insulation Resistance Range | ETCR3480A: 0.1MΩ~200GΩ; ETCR3480B: 0.1MΩ~1000GΩ |
| Voltage Range | AC/DC 0V~750V |
| Output Shout Circuit Current | ≥2mA |
| Max Capacitive Load | 1uF |
| Dielectric Absorption Ratio Test (DAR) | YES |
| Polarization Index Test（PI) | YES |
| Shift | Turn the shift rotary knob to select the appropriate gear |
| Backlight | Controllable off-white backlight, suitable for dark places |
| Display Mode | 4 digital LCD display, contrast clear |
| Measurement indication | LED flicker and buzzer ring in measurement |
| LCD Size | 128mmX75mm ; Display area: 124X67mm |
| Meter Dimension | 212mmX175mmX85mm |
| Test Wires | High voltage bar test wire: Red 1PCS; Probe test wire: Black 1PCS; Alligator clip test wire: 1PCS; Alligator clip: 1PCS |
| Test Time | The single test time is 1 min. During the test, the user can stop automatically or automatically stop after 1 min, and the screen display measurement data |
| Battery Voltage | Battery voltage symbol display, when battery voltage is low will remind to replace the battery in time |
| Automatic Discharge | Automatic release the voltage of the measured object, During discharging, symbol flash. Discharge completion symbol extinguish |
| Auto Shutdown | 15 minutes after boot up, the meter shuts down automatically without any operation |
| Power Consumption | Standby: about 40mA(backlight off); Start up with backlight: about 50mA; Measurement: about 100mA(backlight off) |
| Weight | 2.4kg |
| Working Temperature and Humidity | -10℃~40℃; below B29880%RH |
| Storage Temperature and Humidity | -20℃~60℃; below 70%RH |
| Suitable Safety Standard | IEC61010-1(CAT Ⅲ 300V, CAT IV 150V, Pollution 2) |
