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Shipped by HKNDT INSTRUMENTS LIMITED
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Product Introduction

Main Functions & Features
General Specification
| Function | 2/3/4-pole measurement for earth resistance, soil resistivity, earth voltage |
| Power Supply | DC 7.4V 2600mAh rechargeable lithium battery, the battery is fully charged about 8.4V |
| Backlight | Controllable white screen backlight, suitable for use in dim place |
| Display Mode | 4-digit max LCD display, white screen backlight |
| Measurement Instruction | The LED flash during the measurement, the LCD count backward, and the progress bar chart indicate |
| LCD Display Domain | 124mm×67mm |
| Measurement Range | Earth resistance: 0.00-30.00k; Soil Resistivity: 0.00m-9000km; Earth Voltage: 0V-600V |
| Measurement | Precision four, three-wire measurement, simple two-wire measurement method to measure earth resistance |
| Measuring Method | Earth resistance: rated current transformer method, measuring current 20mA Max; Soil resistivity: Quadrupole Method (Winner Method); Earth voltage: average rectification (between P(S)-ES interface) |
| Test Frequency | 128Hz/111Hz/105Hz/94Hz(AFC) |
| Test Current | >20mA(Sine wave) |
| Open Circuit Test Voltage | AC 40V max |
| Test Voltage Waveform | Sine wave |
| Electrode Spacing Range | Range can be set 1m-100m |
| Measurement Range Gear Shift | Earth Resistance: 0.00-30.00k Fully automatic shifting; Soil Resistivity: 0.00m-9000km Fully automatic shifting |
| Standard Test Line | 4 pieces: red 20m, black 20m, yellow 10m, green 10m each 1 piece |
| Simple Test Line | 2 pieces: red 1.6m, black 1.6m each 1 piece |
| Auxiliary Earth Rod | 4 pieces: 9mm×230mm (about 935g) |
| Measurement Time | Earth voltage: about 3 times/second; Earth resistance, soil resistivity: about 15 seconds/time |
| Line Voltage | Measurement below AC 600V |
| Interface | With USB interface, software monitoring, storage data can be uploaded to the computer, saved and printed |
| USB Line | 1 USB communication line, 1.5m long |
| Memory | 300 groups, flashing "FULLsymbol indicates that the storage is full |
| Data Hold | Data holding function: HOLD" symbol display |
| Data Access | Data access function: READ" symbol display |
| Overflow Display | Over-range overflow function: OL" symbol display |
| Interference Test | Automatically identify the interference signal, and the NOISE symbol indicates when the interference voltage is higher than 5V |
| Auxiliary Earth Test | With auxiliary earth resistance value test function,0.00K~30k(100R+rC<50k,100R+rP<50k) |
| Alarm Function | 300 groups, flashing "FULLsymbol indicates that the storage is full |
| Alarm Threshold Setting Range | Resistance: 0-9999; Voltage:0.0V-600.0V |
| Automatic Shutdown | Automatically shut down after 10 minutes of power on |
| Battery Voltage | When the battery voltage drop to about DC 7.2V±0.1V, the low battery voltage symbol is displayed to remind the meter that it need to be charged. |
| Working Current | Standby: about 20mA (backlight off); Power on when turn on backlight: about 45mA (turn off the backlight 25mA); Measurement: about 100mA (backlight off) |
| Tester Size | 280mm×260mm×160mm |
| Weight | Tester: About 2306g(include battery);total weight: about 6.3kg(include accessory) |
| Overload Protection | Measuring earth resistance: AC 280V/3 seconds between C(H)-EP(S)-ES ports |
| Protection Level | IP65 (closing) |
| Insulation Resistance | Above 20M(500V between the circuit and the housing) |
| Withstand Voltage | AC 3700V/rms(Between the circuit and the housing) |
| Electromagnetic characteristic | IEC61326 (EMC) |
| Suitable Safety Regulation | IP65(close the case) |
| Suitable Safety Regulation | IEC61010-1(CAT 300VCAT IV 150Vpollution level 2);IEC61010-031;IEC61557-1(Earth resistance);IEC61557-5(Soil resistivity);JJG 366-2004 |
| Working Temperature & Humidity | -10-40; below 80%RH |
| Storage Temperature & Humidity | -20-60; below 70%RH |
| Accessories | Tester: 1PC; Ground Rod: 4PCS; Test wires: 4PCS; Simple test wire: 2PCS; USB data transmission cable: 1PCS; Tester bag: 1PCS; Special charger: 1PCS |