| Withstanding Voltage |
AC 3700V, 1 minute (between CT core and CT handle) |
| Insulation Resistance |
More than 100MΩ (between CT core and CT handle) |
| Storage Temperature |
-10℃～60℃, < 80% (without condensation) |
| Size and Weight |
Measuring CT:90.5(W)×165(H)×38(D)mm, approx.460g
Injection CT:90.5(W)×165(H)×38(D)mm, approx.440g
Main unit:190(W)×140(H)×42 (D)mm, approx.800g |
| Operating Temperature |
0℃～40℃, < 85%RH ( without condensation) |
| Power supply |
Ni-Cad battery (1.2V × 5) |
| Power consumption |
Approx. 380mA(Earth resistance measurement) |
| Safety standard |
IEC 61010-1, IEC61010-2-032
Installation CAT II 600V or CATⅢ 300V |
| Limitation of circuit voltage |
Less than 500V |
| Accessories |
Measuring CT:1
Injection CT:1
Battery charger:1
Carrying case:1
Subsidiary lead wire:1
Instruction manual:1 |
| Display |
LCD, 16 letters/characters × 2 lines
with contrast adjuster |
| Measuring function |
Earth Resistance, AC Current (Load and Leakage) |
| A/D Conversion |
Dual slope integration mode |
| Over range indication |
"OVER" on LCD |
| Data hold indication |
"DH" mark on LCD |
| Low battery indication |
"B" mark on LCD |
| Battery life |
Approx.400 times measurements under full charged condition (Subject to the times of charging and discharging) |
| Sampling |
Approx. 2 times/sec. for AC current |
| Auto power off function |
Approx. 5 minutes after power on |
| Measuring time |
Approx. 30 second for earth resistance |
| Accuracy(Earth resistance) |
(23℃ ± 5℃, 85% RH or less)
Range/Resolution/Accuracy
10Ω/0.01Ω/0.1～1Ω :±0.1Ω、1～10Ω :±0.5Ω
300Ω/0.1Ω/10～50Ω :±2.0Ω、50～150Ω :±5.0Ω、150～200Ω :±20Ω、200～300Ω :±30Ω |
| Accuracy(AC current) |
(23℃ ± 5℃, 85% RH or less)
Range/Resolution/Accuracy
200mA/0.1mA/3% rdg ± 8dgt
2000mA/1mA/2% rdg ± 8dgt
20A/0.01A/2% rdg ± 8dgt |
| Measuring CT |
φ34mm with 2.5m lead |
| Injection CT |
φ34mm with 2.5m lead |
| Injection signal |
Approx. 160mVp-p, Auto sweep 4KHz～200kHz |
| Battery charger |
AC200V～240V (50/60Hz) |
| Memory function |
200 measuring data can be stored and displayed |