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Digital Earth Ground Resistance Tester

Price:
Negotiable
minimum:
Total supply:
Delivery term:
The date of payment from buyers deliver within days
seat:
Shanghai
Validity to:
Long-term effective
Last update:
2024-01-06 10:30
Browse the number:
75

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RuiDu Mechanical and Electrical (Shanghai) Co., Ltd

Contactaixin: wrindu(Mr.): Email:
telephone:
phone:; Arrea:
Shanghai
Address:
No.500 Jianyun Road, Pudong New Area, Shanghai; Website:
http://www.hvtesters.com/ http://wrindu.dgqiaoshengsp.com/

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OVERVIEW

digital earth ground resistance tester excels in on-site ground resistance measurement, employing 3-wire or 2-wire methods with unique . Ensuring enduring precision and stability, its robust, waterproof (IP65) design with anti-collision features makes it ideal for outdoor use.Â Its large-capacity rechargeable lithium battery adds to its suitability for construction sites, widely applied across electric power, telecommunications, meteorology, oil fields, construction, lightning protection, and industrial electrical equipment.

CHARACTERISTIC

Precise On-Site Assessments:

Â - The digital earth ground resistance tester meter utilizes advanced technology, employing both 3-wire and simplified 2-wire methods for accurate measurements on location.

Unmatched Accuracy and Durability:

Â - Featuring unique line resistance verification, this tool ensures exceptional accuracy while resisting interference and adapting to various environmental conditions, ensuring long-term stability and precision.

User-Friendly Interface and Data Management:

Â - With an LCD, white screen backlight, and an intuitive bar graph indicator, users enjoy ease of use. The tester manages up to 400 sets of data, simplifying the process of recording and analyzing measurements.

Comprehensive Assessment Capabilities:

Â - Providing real-time indications for maximum, minimum, and average values, the tester offers multidimensional data evaluation for comprehensive assessments. Its ability to retrieve historical data facilitates easy access to past records.

Versatile Applications Across Industries:

Â - This versatile digital earth ground resistance tester meter finds application in diverse industries such as power, telecommunications, construction, meteorology, lightning protection, and industrial electrical equipment, catering to professional ground resistance measurement needs.

FAQ

Qï¼š How do you test earth ground resistance?

Aï¼š

1. Fall-of-Potential Test:

Procedure: Equilateral triangle stakes, measure voltage drop.

Calculation: R = Voltage Drop / Current.

2. Four-Pole Testing:

Enhancement: Adds an extra potential electrode.

3. Clamp-On Testing:

Tool: Specialized clamp-on tester.

Method: Measures magnetic field.

4. Wenner 4-Wire Method:

Setup: Four equally spaced electrodes.

5. Soil Resistivity Testing:

Objective: Evaluate soil resistivity for grounding system design.

Qï¼š What is the earth resistance tester?

Aï¼š An earth resistance tester is a tool that measures how well electrical grounding systems can dissipate currents into the ground, ensuring safety and preventing electrical hazards. It typically uses the fall-of-potential method, involves multiple electrodes, and is portable and digital for accurate readings. Regular testing is essential for maintaining a reliable grounding system.

Qï¼š What is an acceptable earth ground resistance value?

Aï¼šÂ The acceptable earth ground resistance value isn't universally standardized. Generally:

- NFPA and IEEE recommend aiming for 5.0 ohms or less.

- NEC suggests ensuring system impedance to ground is below 25 ohms (as per NEC 250.56).

Specific industry guidelines and local regulations might influence the acceptable resistance value.

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