Description

✅ Key Features:

• Clamp-On Design for quick and easy earth resistance measurement.

• No Auxiliary Rods Required, ideal for use in live environments.

• High Accuracy with resistance measurement starting from 0.01Ω.

• Leakage Current Measurement up to 30A.

• Auto Range selection for user convenience.

• Large Backlit LCD Display for clear readings even in low light.

• Data Hold & Memory Storage (up to 300 records).

• Alarm Functions for resistance threshold and open jaw detection.

• Auto Power-Off and low battery indicator for energy efficiency.

• Double Insulated Design for added safety.

📊 Specifications:

• Earth Ground Resistance Ranges:

  • 0.01Ω to 1200Ω

  • Accuracy varies from ±1% to ±25% depending on range

• Leakage Current Measurement:

  • 0mA to 30A

  • Accuracy: ±(2.5% + varying offset depending on range)

• Display Count: 4000

• Jaw Opening: 32mm

• Measurement Frequency: >1kHz

• Current Measurement Frequency: 50/60Hz

• Data Storage: 300 groups

• Power Supply: 4 × 1.5V AA (LR6) batteries

• Display Size: 47mm × 28.5mm

• Dimensions: 285mm × 85mm × 56mm

• Weight: Approx. 1.16kg

🧰 Applications:

• Ground system checks in industrial and commercial installations

• Electrical safety inspections

• Lightning protection system evaluations

• Power distribution system maintenance

📦 Package Includes:

• UT278A Clamp Earth Ground Tester

• Test ring

• 4 × AA batteries

• Carrying case

• User manual