Professional High Voltage Insulation Tester GM 3123 With Auto Discharge Function

1. Insulation resistance tester:
| Rated voltage | 250V | 500V | 1000V | 2500V | 
| Test range | 0.0~99.9MΩ 100~499MΩ  |  					0.0~99.9 MΩ 100~999 MΩ  |  					0.0~99.9 MΩ 100~999 MΩ 1.00~1.99GΩ  |  					0.0~99.9 MΩ 100~999 MΩ 1.00~9.99GΩ 10.0~99.9GΩ  |  				
| Open circuit voltage | DC 250V +30%, -0%  |  					DC 500V +30% -0%  |  					DC 1000V +20% -0%  |  					DC 2500V +20% -0%  |  				
| Rated current | 0.5MΩloading 0.5mA~0.55mA  |  					0.5MΩ loading 1mA~1.2mA  |  					2.5MΩ loading 1mA~1.2mA  |  					2.5MΩ loading 1mA~1.2mA  |  				
| Short- circuit current  |  					Approx. 1.3mA | |||
| Accuracy | ±5%rdg±3%dgt | |||
30~600V (Resolution 1V)
| DV | AV | |
| Measuring range  |  					±30~±600V | 30~600V(50/60Hz) | 
| Resolution | 1V | |
| Accuracy | ±2%rdg±3dgt | |
| Technology parameter | Technology index | 
| Display | Max. 999 counts LCD display(1000 counts only at 1T is displayed)Bar graph/ max. 36 point.  |  				
| Over range indication | OL mark appears on insulation resistance range. LO mark appears on voltage's range.  |  				
| Auto- ranging | Range shifts to upper range: 1000 count Range shifts to lower range: 95 counts (merely on the insulation resistance range)  |  				
| Sample rate | 0.5~ 10 times/sec | 
| Operable altitude | Less than 2000m (Indoor use) | 
| Operation circumstance | Temperature 0~40℃, humidity <= 85% | 
| Storage circumstance | Temperature -20~ 60℃, humidity <= 90% | 
| Overload protection | Insulation resistance : AC 1200V/ 10s Voltage : AC 720V/ 10 s  |  				
| Voltage resistance | AC8320 (50/60Hz)/ 5 second (between electrical circuit and enclosure)  |  				
| Insulation resistance | 1000M of more/ DC 1000V (between electrical circuit and enclosure)  |  				
| Power supply | DC12V (8x1.5V LR14 battery) | 
| Battery's life | Approx. 15 hours | 
| Dimension | 153x96x220mm | 
| Weight | 1032g (without batteries and test wires) | 
FAQ
Auto- discharge function to make, the operation safe.LCD Back-light.Digital readout display.Live circuit warning symbols with audio sounds.Auto- power off function (in 10 minutes without operation)Timer measurement function.Low battery indicationSuitable for 12V DC adapter (12V/1A)