Double Clamp Earth Resistance Tester Ground Resistance Tester with Soil Resistivity 0.01Ωm～9000kΩm DC Resistance 0.01Ω~30.00kΩ Grounding Voltage 0.1V to 100.0V Data Storage 2000 Group

Shipping Policy : Battery Not Included During the Shipping LCD size: 124mm x 67mm (with backlight) Current clamp diameter: Φ68mm Range: Selection method measurement: 0.01Ω to 3000Ω Double forceps measurement: 0.01Ω-100Ω Two three four-wire method measurement: 0.01Ω ~ 30.00kΩ Soil resistivity: 0.01Ωm～9000kΩm DC resistance: 0.01Ω~30.00kΩ Grounding voltage: 0.1V to 100.0V AC current: 0.01mA～600A Resolution:Resistance: 0.01Ω; Soil resistivity: 0.01 Ωm; Current: 0.01mA; Voltage: 0.1V Highest accuracy: ±2%rdg±3dgt Measurement methods: Two three four-wire method measurement: pole-changing method, measuring current 20mA Max Selectivity Measurement: Polarization Method, Measuring Current 20mA Max Double forceps measurement: non-contact mutual inductance measurement method, test current 1mA Max Soil Resistivity: Quadrupole Method (Winner Method) Ground-to-ground voltage: average rectification (between P(S)-ES interfaces) AC current: clamp-type current transformer measurement Test frequency: 128Hz/111Hz/105Hz/94Hz (AFC) Data Mode: Average, Maximum, Minimum Line resistance check: automatic verification Measurement time: Voltage to ground: about 0.5 seconds/time AC current: about 0.5 seconds/time Grounding resistance, soil resistivity: about 5 seconds/time Number of measurements: 5000 or more (short-circuit test, test 1, stop 30 seconds and then test) Short circuit test current: AC 20mA max; Open circuit test voltage: AC 40V max Test voltage waveform: Sine wave Electrode spacing range: Can be set from 1m to 100m Line voltage: Measurement to ground voltage: AC 600V or less Auxiliary grounding test: Auxiliary grounding resistance test function, 0.00KΩ to 30kΩ (100R+rC<50kΩ, 100R+rP<50kΩ) Power Supply: Battery No. 2 1.5V (LR14) x6 section（Battery not included in the package)

• ◆ Double clamp grounding resistance tester can measure grounding resistance (range: 0.01Ω～30.00kΩ), soil resistivity (range: 0.01Ωm～9000kΩm), grounding voltage (range: 0.1V～100.0V) through various methods, Earth line leakage current, AC current (range: 0.01mA～600A), tester using precision 4-wire method, 3-wire method and simple 2-wire method, selection method, double clamp method to measure the grounding resistance
• ◆ The large-caliber current clamp design can measure the grounding system using a large grounding conductor; it can measure the arbitrary grounding resistance value of various complicated grounding conditions, and measure the ground connection without disconnecting any connecting ground. Electrodes to maximize the convenience of measurement. Automatically identify the interference signal, the "NOISE" symbol indicates when the interference voltage is higher than 5V
• ◆ Fouble clamp grounding resistance tester consists of host, current clamp, monitoring software, test line, auxiliary grounding bar, and communication line. Host large LCD display, white screen backlight, bar graph indication at a glance. automatic shutdown, with historical data read, view, save, report, print and other functions.Data retention: "HOLD" symbol display; Data Review: "READ" Symbol Display; Overflow display: "OL" symbol display; Interference judgment:
• ◆ Data Storage: 2000 Group; Data upload function: With RS232 interface, software monitoring, storage data can be uploaded to the computer, save the print; Automatic shutdown: 15 minutes automatic shutdown; Low battery: When the battery voltage drops to about 7.5V, the battery voltage is low and the symbol is displayed to remind you to replace the battery;Alarm function: When the measured value exceeds the alarm setting value, the "beep - beep - beep - -" alarm prompt
• ◆ Overload protection:Grounding resistance: AC 280V/3 seconds between E-P and E-C ports; Insulation resistance: 20MΩ or more (500V between circuit and case); Pressure resistance: AC 3700V/rms (between circuit and housing); Electromagnetic characteristics: IEC61010-4-3, radio frequency electromagnetic field ≤ 1V/m; Suitable for safety regulations: IEC61010-1 (CAT III 300V, CAT IV 150V, pollution level 2); IEC61010-031; IEC61557-1 (grounding resistance); IEC61557-5 (soil resistivity); JJG 366-2004