Earth-ground Tester
Description:
Earth resistance tester
Features:
Measuring Range and Accuracy ( at 23 o C and 45-75%RH )
Current Consumption ( typical Value with battery voltage of 12V )
- Capable of measuring earth voltage.
- Data hold , MAX / MIN function.
- Auto power off function:
The timer operates automatically about 3 minutes when the '' Test Button Switch '' are pressed to keep the tester power on. - Automatic warning when resistance of auxiliary earth.
- Spikes is in excess of tolerance.
Measuring Range and Accuracy ( at 23 o C and 45-75%RH )
Function | Measuring range | Accuracy | Overload Protection |
Earth Voltage | 0 ~ 399.9V (50Hz, 60Hz) | +/- (1%rdg+4dgts) | 400Vrms / 1 minute |
Earth Resistance | 0 ~ 39.99Ω | +/- (2%rdg+0.2Ω) | 250Vrms / 10 seconds |
0 ~ 399.9Ω | +/- (2%rdg+3dgts) | ||
0 ~ 3999Ω |
Current Consumption ( typical Value with battery voltage of 12V )
Range | ON |
40 W / 400 W /4000 W | 42mA |
Earth V | 22mA |
General Specification | |
Safety Standard | IEC1010-1 overvoltage category III , IEC 61557 |
Display | 3 3/4 digit liquid crystal display with a maximum reading of 3999. |
Insulation Resistance | More than 5M W between the circuit and the housing case when measured with 500VDC |
Withstand Voltage | 3700CV AC for 1 minute between the circuit and the housing case. |
Timer (Auto power off) | about 3 minutes. |
Dimensions | 190(L) x 140(W) x 77(H)mm |
Weight | Approx. 800 (with battery) |
Power Source | Eight 1.5V 01t AA Size Battery. |
Over range Indication | " OL " will be shown on the LCD Penal when out of range measurement is made. |
Operating Temperature and Humidity | 0 ℃ to 40 ℃ (32 ℉ to 104 ℉ ) , below 80% RH |
Storage Temperature | -10 ℃ to 60 ℃ (14 ℉ to 140 ℉ ) |
Accessories | Test leads Auxiliary-->1 Set , Auxiliary earth spikes-->2 Pieces, Neck strap-->1Piece, Batteries, AA, R - 6P or equivalent-->8 Piece |