EK-C304B
EK-C304B Grounding Pile Type Clamp Earth Tester
EK Instruments EK-C304B — professional grounding pile type clamp earth tester for industrial electrical testing.
Product Overview
EK-C304B Grounding Pile Type Clamp Earth Tester
EK Instruments EK-C304B is a professional grounding pile type clamp earth tester. Designed for industrial electrical measurement and field testing. Built with precision engineering and reliable components for long-term stability.
Product Function
Precision 4-wire, 3-wire, and simple 2-wire method earth resistance
measurement; soil resistivity, earth
voltage, and AC/DC voltage
measurement.
Product Features
1.Compact and lightweight design, portable and easy to operate.
2.Fast measurement of soil resistivity.
3.Auxiliary ground stake judgement function; displays auxiliary stake resistance value during testing, avoiding errors caused by excessive auxiliary earth resistance.
4.Auxiliary stake alarm and voltage alarm functions.
Technical Specification
| DC 9V Alkaline dry battery (LR6 1.5VX6PCS) |
Measurement Method | Earth Resistance: Precision 4-wire method, 3-wire method, simple 2-wire method; Soil Resistivity: 4-pole method (Wenner method); AC/DC Voltage: RMS |
Earth Resistance Measurement | Range: 0.00Ω~30.00kΩ; Resolution: 0.01Ω; Accuracy: ±2%rdg±3dgt |
Soil Resistivity Measurement | Range: 0.00Ωm~9999kΩm; Resolution: 0.01Ωm; Accuracy: ρ=2πaR, ±2%rdg±3dgt (a: 1m~100m, π=3.14) |
AC/DC Voltage Measurement | Range: AC/DC 0.0V~600V; Resolution: 0.1V; Accuracy: ±2%rdg±3dgt |
Test Frequency | 128Hz/111Hz/105Hz/94Hz(AFC) |
Test Current | >20mA (sine wave) |
Display Screen | LCD display area: 58mm×46mm |
Meter Dimensions | 183mm×89mm×56mm |
Weight | Approx. 3.34kg (including accessories) |
Test Indicator | TESTING indicator lights up during earth resistance testing |
Auxiliary Stake Alarm | R P(S)R C(H) OK indicator light judges whether auxiliary stakes are properly connected, avoiding errors caused by excessive auxiliary earth resistance |
Voltage Alarm | When voltage > 36V, LIVE CIRCUIT indicator flashes and buzzer alarms |
Data Hold | "HOLD" symbol displayed when data holding |
Data Storage | 300 groups, "FULL" symbol indicates storage full |
Data View | "READ" symbol displayed when viewing data |
Measurement Time | Voltage to earth: about 3 times/s; Earth resistance, soil resistivity: about 5 s/time |
Auto Power Off | Auto power off after 10 minutes without operation |
Battery Voltage | Low battery symbol blinks when voltage drops to approx. 7.2V, reminding to replace battery |
Overload Protection | Earth resistance: between C(H)-E, P(S)-ES ports, AC 280V/3s |
Electromagnetic Features | IEC61010-4-3, RF electromagnetic field ≤1V/m |
Working Current | Backlight: 56mA Max; Standby: 20mA Max (backlight off); Measurement: 200mA Max (backlight off) |
Accessories | Tester: 1 PC; Ground stakes: 4 PCS; Test lines: 4 PCS; Simple test line: 2 PCS; LR6 battery: 6 PCS; Tool bag: 1 PC |
Applications: Power utility, industrial maintenance, electrical testing labs, field engineering services.
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Email Us
Jemma@ek-instruments.com