UT273+ Clamp Earth Resistance Tester

UT273+ Clamp Earth Resistance Tester

The UT273+ Clamp Earth Resistance Tester is a professional grounding resistance measurement instrument designed for electrical engineers, maintenance technicians, and safety inspectors. This device allows users to measure earth resistance quickly and safely without disconnecting the grounding system. As a result, it simplifies grounding system inspection and improves maintenance efficiency.

Moreover, the UT273+ Clamp Earth Resistance Tester uses advanced clamp measurement technology to measure ground resistance directly from the earth conductor. Therefore, technicians can perform measurements without auxiliary electrodes or breaking the ground circuit. This makes the device extremely useful in industrial environments where shutting down electrical systems is not practical.

In addition, the tester is capable of measuring earth resistance and leakage current simultaneously. Consequently, it becomes a valuable tool for diagnosing grounding system problems and detecting potential safety hazards in electrical installations.

Advanced Ground Testing Technology

The UT273+ Clamp Earth Resistance Tester is specifically designed for fast and reliable grounding resistance measurement. It works by clamping around the ground conductor and injecting a test signal through the grounding loop. As a result, the tester calculates the earth resistance accurately without requiring additional probes or ground rods.

Furthermore, the device provides high measurement accuracy and stable performance, even in complex grounding networks. Because of its clamp design, it is especially suitable for testing grounding systems in power distribution networks, lightning protection systems, telecommunications sites, and industrial electrical installations.

Another advantage of this instrument is its large clamp jaw design, which allows technicians to measure thicker grounding conductors commonly found in industrial facilities.

Key Features

• Non-Contact Ground Resistance Measurement
  Measures grounding resistance without disconnecting the grounding conductor.

• Earth Resistance Measurement Range
  Measures grounding resistance accurately across a wide range.

• Leakage Current Measurement
  Detects leakage current in grounding systems.

• Large Clamp Jaw Design
  Allows testing of thick grounding conductors.

• Backlit LCD Display
  Ensures clear readings even in low-light working conditions.

• Data Hold Function
  Allows technicians to freeze measurement values for easy recording.

• Automatic Range Selection
  Provides fast and accurate measurement results.

• Portable and Durable Design
  Suitable for field testing and industrial environments.

Applications

The UT273+ Clamp Earth Resistance Tester is widely used in many electrical safety applications, including:

• Grounding system inspection

• Lightning protection system testing

• Power distribution grounding measurement

• Telecommunication tower grounding tests

• Electrical safety inspections

• Industrial plant grounding maintenance

• Renewable energy grounding systems

Technical Specifications (Datasheet)

• Model: UNI-T UT273+

• Product Type: Clamp Earth Resistance Tester

• Earth Resistance Measurement Range: 0.01Ω – 1200Ω

• Leakage Current Measurement: 0.00mA – 30A

• Clamp Jaw Diameter: ≈32mm

• Display: LCD with backlight

• Data Storage: Supported

• Measurement Method: Clamp-on ground loop measurement

• Safety Rating: CAT III 300V

• Power Supply: Battery powered