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| Function： | ground resistance measurement, ground voltage measurement low value resistance measurement |
| Resistance range： | 0.01Ω-3000Ω |
| Voltage range： | 0.01V~600V AC |
| Measurement method： | precision three-wire measurement, simple two-wire measurement |
| Line voltage： | measure below AC600V |
| Data Storage： | 500 Groups |
| Function | Ground resistance test, ground voltage test, low value resistance test |
| Ground resistance Range | 0.01Ω-3000Ω ; Resolution: 0.01Ω; Accuracy: ±1.5%rdg±3dgt |
| Ground voltage Range | 0.01V-600V AC ; Resolution:0.01V; Accuracy: ±1.5%rdg±3dgt |
| Base Condition | 23C±5°C, below 75% rh (Auxiliary grounding resistance 100Ω±5%, ground voltage<10V) |
| Power Supply | 1.5V (LR14) Alkaline Battery 6 Section |
| Backline | Controllable gray screen backlight, suitable for use in dim places |
| Measurement Mode | Precise three-wire measurement, simple two-wire measurement |
| Measurement Method | Grounding resistance: rated current change pole method, 128Hz; ground voltage: average value rectification |
| Wire Resistance Check | Avoiding the errors caused by the test line not being fully inserted into the instrument interface or being in poor contact or replaced the extended test line by the user, to make the ground resistance measurement more accurate |
| LCD Dimension | 108mm×65mm |
| Meter Dimension | L/W/H: 240mm×188mmx85mm |
| Test Line Length | 3 strips: Red 15m, Yellow 10m, Green 5m each 1 strip |
| Simple Test Line | 2 strips: yellow 1.5m, green 1.5m each 1 strip |
| Auxiliary Grounding Rod | 2 roots |
| Measure Time | Ground voltage: about 3times/second; Grounding resistance: about 5 times/second |
| Line Voltage | Measure ground voltage: below AC 600V |
| Data Review | "MR" symbol indication when reviewing data |
| Overflow Display | Exceed measurement range overflow function: “OL ” symbol display |
| Alarm Function | Alarm when the measured value exceeds the alarm setting value |
| Automatic shut-down | "APO" instruction, automatic shutdown after 15 minutes boot |
| Power Consumption | Standby 40 mA Max (backlight off), turn on backlight: 43 mA Max, measure: 120 mA Max (backlight off) |
| Weight | Instrument: 1230g (including battery), test line: 610g (including simple test line), auxiliary grounding rod 360g (2 roots), instrument bag: 271g |
| Working Temperature and Humidity | -10°C~40C; below 80% rh |
| Storage Temperature and Humidity | -20°C~60C; below 70% rh |
| Overload Protection | Grounding resistance: AC280V/3 seconds between E-H and E-S ports |
| Insulation Resistance | Above 10MQ (500V between circuit and case) |
| Pressure Resistance | AC 3700V/rms(between circuit and outside) |
| Electromagnetic Properties | EC61010-4-3, radio frequency electromagnetic field ≤1V/m |
| Suitable for Safety Regulations | IEC61010-1, IEC1010-2-31, IEC61557-1, 5、 IEC60529 (IP54), pollution degree 2、 CAT III 300V |
