UT273 Clamp Earth Ground Tester (Discontinued)

Key Features:

• Non-Invasive Testing: Measures ground resistance without disconnecting circuit ground lines or using auxiliary electrodes.

• High Accuracy: Measures resistance from 0.01Ω with a resolution of 0.001Ω.

• Auto Range: Automatically selects the appropriate measurement range for ease of use.

• Data Functions: Includes data hold, data recall, and storage for up to 30 measurements.

• LCD Backlight: Ensures clear visibility in low-light conditions.

• Alarm Functions: Resistance limit alarm and low battery indication.

• Auto Calibration: Ensures accurate measurements over time.

• Auto Power-Off: Conserves battery life by automatically turning off the device when not in use.​

Specifications:

• Earth Ground Resistance (Ω):

  • 0.01–0.099Ω: ±(1% + 0.01)

  • 0.1–0.99Ω: ±(1% + 0.01)

  • 1–49.9Ω: ±(1.5% + 0.1)

  • 50–99.5Ω: ±(2% + 0.5)

  • 100–199Ω: ±(3% + 1)

  • 200–395Ω: ±(10% + 5)

  • 400–590Ω: ±(20% + 10)

  • 600–1000Ω: ±(25% + 20)

• Display Count: 10,000

• Jaw Opening: 28mm

• Data Storage: 30 groups

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

• Display Size: 47mm × 28.5mm

• Product Dimensions: 293mm × 90mm × 66mm

• Net Weight: Approximately 1.32kg

Applications:

• Electrical Installations: Assessing the grounding resistance of electrical systems.

• Lightning Protection Systems: Ensuring effective grounding for safety.

• Industrial Equipment: Verifying grounding integrity in machinery and equipment.

• Maintenance and Inspection: Routine checks of grounding systems in various facilities.