Ground resistance range | 0.01 Ω ~ 3000 plus or minus 1.5% RDG + 3 DGT Ω precision |
Ground resistance resolution | 0.01Ω |
Ground voltage range | 0~600V AC accuracy ±1.5% RDG ± 3DGT |
Ground voltage resolution | 0.01V |
Benchmark conditions | Under 23 ℃ + / - 5 ℃, 75% rh (auxiliary grounding resistance 100 Ω plus or minus 5%, over the ground voltage & lt;
10 v) |
Function | Ground resistance measurement, ground voltage measurement, low resistance measurement |
Power supply | 1.5V(LR14) alkaline battery has 6 units |
Backlight | Controllable grey screen backlight, suitable for dim place |
Measuring method | Precise three-wire measurement, simple two-wire measurement |
Measurement Method | Ground resistance: Rated current converter method,128Hz; Voltage to earth: mean rectification |
Test current | More than 20 MA (test wire) |
Line resistance check | Avoid the error caused by incomplete insertion of the test wire into the instrument interface or bad contact or replacement of the extended test wire by the user, so as to make the measurement of ground resistance more accurate. |
Display mode | 4 bit large LCD display, grey and white screen backlit |
Measuring instructions | LED flashing indicator and LCD counter display during measurement |
LCD size | 108*65mm |
Meter size | 240*188*85mm |
Test line length | 3 pieces: red 15m, yellow 10m, green 5m 1 each |
Simple test line | 2 pieces: yellow 1.5m, green 1.5m 1 piece each |
Auxiliary ground rod | 2pcs |
Measuring time | Voltage to ground: about 3 times per second;
Ground resistance: about 5 seconds/time |
Line voltage |
|
Data stored | 500 sets, flashing a "FULL" symbol to indicate that the storage is FULL |
Figures refer to | Data lookup function: "MR" symbol display |
Overflow shows | Over - range overflow function: "OL" symbol display |
Alarm function | When the measured value exceeds the alarm set value, an alarm prompt will be issued |
Battery voltage | Battery voltage is insufficient, low power symbol is displayed. |
Automatic shutdown | "APO" indicates that it will automatically shut down after 15 minutes of power on |
Power consumption | Standby: 40mA Max(backlight off) |
Power on backlight: 43mA Max |
Measurement :120mA Max(backlight off) |
Weight | Meter: 1230g (including batteries) |
Test line :610g(including simple test line) |
Auxiliary grounding rod: 360g(2 pcs) |
meter bag: 271g |
Working temperature and humidity | - 10 ℃ to 40 ℃;
Below 80% rh |
Storage temperature and humidity | - 20 ℃ ~ 60 ℃;
Below 70% rh |
Overload protection | Grounding resistance :E-H,E-S AC 280V/3 SEC between ports |
Insulation resistance | More than 10 m Ω (circuit between the shell and 500 v) |
Pressure | AC 3700V/ RMS (between circuit and housing) |
Magnetic properties | Iec61010-4-3, wireless frequency electromagnetic field ≤1V/m |
Safety level | IEC1010 IEC61010-1, - 2-31, IEC61557-1, 5, IEC60529 (IP54), pollution, etc. 2, the CAT Ⅲ 300 v |
