UNI-T UT278B Ground Pile Clamp Earth Resistance Tester

UNI-T UT278B Ground Pile Clamp Earth Resistance Tester

The UNI-T UT278B is a handheld ground pile clamp tester that centers on simplicity and reliability for on-site earth resistance checks. Its most notable design element is the large, 2.4-inch color display, which presents measurements clearly and makes menu navigation intuitive, even in direct sunlight or low-light conditions. The unit’s molded housing incorporates a hinged, 68 mm-wide jaw that opens easily to encircle grounding rods or conductors without requiring disconnection streamlining routine inspections. Internally, the UT278B combines a rechargeable lithium-ion battery pack with real-time power monitoring, so users can trust it will remain powered through long field sessions; recharging is achieved via a standard USB socket when convenient.

Onboard electronics employ fast-filtering algorithms to isolate actual ground resistance readings from stray noise, ensuring that displayed values are stable within one second of measurement. Stored data can be transferred seamlessly to a PC via USB, allowing for straightforward record-keeping and trend analysis. At under 1 kg, the tester balances weight and ruggedness: its reinforced insulation and over-voltage protection safeguard both the operator and the instrument in demanding environments.

Overall, the UT278B presents a refined blend of ergonomic handling and modern display technology to expedite earth resistance diagnostics without added complexity.

Features:

• 2.4-inch color LCD.
• Earth resistance measurement.
• Leakage current measurement.
• Current measurement.
• Grounding voltage measurement.
• Alarm function (visual/audible).
• USB data transfer (stored data upload).
• Built-in rechargeable lithium battery.

Specifications:

Applications:

• Power Distribution Systems.
• Lightning Protection Systems.
• Industrial Equipment.
• Telecommunication Installations.
• Construction and Facility Maintenance.
• Railway and Transportation Systems.
• Field Service and Diagnostics.

Package Include:

• 4x  1.5 V LR6 (AA) Batteries
• 1x Test Ring
• 1x English User Manual
• 1x Carrying Case (Tool Box)
• 1x Gift Box (Outer Packaging)

UNI-T  UT278B Documents:

• Datasheet 
• User Manual