1. [PRECISE AND RELIABLE MEASUREMENTS] Ensure accurate results with clamp head design and stable anti-interference technology.
2. [EASY OPERATION] No need to disconnect ground wires for safer and measurements.
3. [DATA STORAGE FUNCTION] Store up to 500 sets of measurement results for easy access and .
4. [MULTI-FUNCTIONAL] Features real-time clock, alarm function, and automatic shutdown for enhanced performance.
5. [WIDE APPLICATION] Ideal for telecommunications, power distribution lines, gas stations, and more for measuring grounding .
Spec:
The clamp-shaped ground tester is controlled by a microprocessor to accurately detect the ground . It uses a rapid filtering technology to minimize the interference. It is a commonly used and necessary instrument for telecommunication, electric power, meteorology, engine room, oil field, electromechanical installation and maintenance as well as industrial enterprise departments using electric power.
Features:
Easy to Operate: When measuring ground system with loop, there is no need to disconnect the ground wire without auxiliary electrode, safer and .
Clamp Head Design: Using iron and winding, stable, precise and strong anti-interference. Clamp Size: Φ1.26"(32mm), large jaws with double insulation for extra safety.
Data Storage Function: 500 sets of measurement results can be recorded, the "MEM" storage indication, flashing the "MEM" symbol indicating that the storage is full.
Multi Practical Functions: New design, panel operation with 6 buttons, better performance. With real-time clock, data storage, data access, alarm, automatic shutdown and other functions.
Widely Used: It is suitable for measuring all kinds of telecommunications, electric power, meteorology, machine room, oil field, power distribution lines, tower transmission lines, gas stations, factory grounding , rob and other grounding .
Specifications:
Model: ST4100 / ST4800 (Optional)
Material: ABS
Function: Grounding test, circuit test, leakage current test
Environmental Temperature and Humidity: 23℃ ± 5℃, lower than 75%RH
Power Supply: DC 6V, 4 * 1.5V AA dry battery (not included)
Measurement Method: Mutual feeling way
Range: 0.010Ω-500Ω (ST4100), 0.010Ω-1200Ω (ST4800)
Resolution: 0.001Ω
Current Range: 0.00mA-30.0A (ST4800)
Current Resolution: 0.01mA
Clamp/Holder Size: 55mm x 32mm
Time Clock Feature: Have
Ω + ASynchronous Display: Ω + AThe same screen display
Display Mode: 4-bit LCD display, black screen design
LCD Size: 46mm x 36mm
Measure Time: 1 Time/second
Data Storage: 500 groups, the "MEM" storage indication, flashing the "MEM" symbol indicating that the storage is full
Data Access: The "MR" symbol indicates when reviewing the data
Overflow Display: OL symbol indication when overrange overflow
Disturbed Test: Automatic identify the interference signal, indicating the "NOISE" symbol when the interference current is high
Alarm Function: Send an alarm prompt when the measured value exceeds the alarm set point
Cell Voltage: Battery power is displayed in real time
Auto Shut Off: It can be set to 5, 10, 15, 20 minutes, OFF, OFF means to cancel the automatic shutdown, the default is 5 minutes
Power Dissipation: 115mA
Working Temperature and Humidity: -10℃~40℃; lower than 80%RH
Storage Temperature and Humidity: -20℃~60℃; lower than 70%RH
Insulation : 20MΩ above (Between the circuit and the housing 500V)
Withstand Voltage: AC 3700V/rms (Between the circuit and the housing)
External Magnetic Field: <40A/m
External Electric Field: <1V/m
Suitable For Safety Regulation: IEC61010-1(CAT III 300V, CAT IV 150V, degree of pollution 2); IEC61010-031; IEC61557-1 ( )
Item Size: 295 * 85 * 58mm / 11.61 * 3.35 * 2.28in
Item Weight: 888g / 1.96lb
Package Weight: 1970g / 4.34lb
Package Size: 35 * 13 * 21cm / 13.78 * 5.12 * 8.27in
Package List:
1 * Earth Tester
1 * Aluminum Box/Cover
1 * Measuring Ring
1 * User Manual (English)
packing list:
1 * Earth Tester
1 * Aluminum Box/Cover
1 * Measuring Ring
1 * User Manual (English)
