Digital Grounding Resistance Tester Soil Resistivity Meter with ETCR3000B LCD Display Data Storage Function

Shipping Policy : Battery Not Included During the Shipping LCD size: 124mm x 67mm (with backlight) Range: Grounding resistance: 0.00Ω to 30.00kΩ (automatic shifting) Soil resistivity: 0.00Ωm～9000kΩm (automatic shifting) Grounding voltage: AC 0~600V Resolution: Resistance: 0.01Ω Soil resistivity: 0.01 Ωm Voltage: 1V Accuracy: ±2%rdg±3dgt Data storage: 300 groups Measurement method: Grounding resistance: precision 4-wire, 3-wire measurement, simple 2-wire grounding resistance Soil Resistivity: Quadrupole Method (Winner Method) Ground-to-ground voltage: average rectification (between P(S)-ES interfaces) Data Mode: Average, Maximum, Minimum Line resistance check: automatic verification Measurement time: Voltage to ground: 0.33 seconds/time; Grounding resistance, soil resistivity: 5 seconds/time Number of measurements: 5000 or more (short-circuit test, test 1, stop 30 seconds and then test) Test frequency: 128Hz/111Hz/105Hz/94Hz (AFC) 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 Data retention: "HOLD" symbol display; Data Review: "READ" Symbol Display; Overflow display: "OL" symbol display Auxiliary grounding test: Auxiliary grounding resistance test function, 0.00KΩ to 30kΩ (100R+rC<50kΩ, 100R+rP<50kΩ) Interference judgment: Automatically identify the interference signal, the "NOISE" symbol indicates when the interference voltage is higher than 5V Alarm function: When the measured value exceeds the alarm setting value, the "beep - beep - beep - -" alarm prompt Insulation resistance: 20MΩ or more (500V between circuit and case) Pressure resistance: AC 3700V/rms (between circuit and housing) Power Supply: Battery No. 2 1.5V (LR14) x6 section（Battery not included in the package）

• ◆ The ETCR3000B earth resistance soil resistivity tester measures the grounding resistance using the precision 4-wire method, 3-wire method, and simple 2-wire method. Grounding resistance range: 0.00Ω～30.00kΩ, soil resistivity range: 0.00Ωm～9000kΩm, grounding voltage range: AC 0～600V.
• ◆ ETCR3000B grounding resistance soil resistivity tester consists of host, monitoring software, test lines, auxiliary grounding rods, and communication lines. Host large LCD display, white screen backlight. At the same time can store 300 sets of data
• ◆ Data upload function: With RS232 interface, software monitoring, storage data can be uploaded to the computer, save the print; 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;
• ◆ Data retention: "HOLD" symbol display; Data Review: "READ" Symbol Display; Overflow display: "OL" symbol display; Working environment: -10 °C ~ 40 °C; 80% rh below; Storage environment: -20 °C ~ 60 °C; 70% rh below; Line voltage: Measurement to ground voltage: AC 600V or less
• ◆ Overload protection: Grounding resistance: AC 280V/3 seconds between E-P and E-C ports; Electromagnetic characteristics: IEC61010-4-3, radio frequency electromagnetic field ≤ 1V/m; Suitable for safety regulations: IEC61010-1 (CAT III 300V, CAT IV 150V, pollution degree 2); IEC61010-031; IEC61557-1 (grounding resistance); IEC61557-5 (soil resistivity); JJG 366-2004.