Clamp Earth Resistance Tester
Brand
UNI-T
|
Model
UT-278A+
|
🇨🇳 China
UT-278A+ grounding resistance tester features high-resolution measurement capability up to 0.001Ω, allowing you to quickly assess the condition of the grounding system and improve inspection accuracy and safety.
Supports leakage current measurements up to 30A, making it suitable for power equipment, industrial systems, and on-site grounding inspection needs. With a dual-insulation design, it effectively reduces external interference to ensure stable and reliable measurement results.
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Price
NT$ 12,500
In Stock
Views: 107
Description
The UT-278A+ clamp earth resistance tester is a high-performance measuring instrument designed to measure grounding system resistance quickly and safely. The unit does not require disconnecting the grounding conductor or using auxiliary grounding electrodes, making it easy to operate. Its display resolution reaches 0.001Ω, and it can measure leakage current up to 30A, making it suitable for grounding tests on a wide range of electrical equipment. The clamp jaw features a double-insulated design that effectively filters environmental interference and ensures measurement accuracy, making it an ideal tool for electrical engineers and maintenance personnel.
Specifications
- Display Count1,999 Display
- Jaw OpeningØ32 mm
- Current1m~30 A (50/60Hz) ±(2.5%+1mA) at 0m~9mA
- Resistance0.001~1200 Ω ±(1%+0.01) at 0.01~0.099Ω
- Resistance Measurement FrequencyApprox. 1kHz
- Current Resolution1mA
- Resistance Resolution0.001Ω
Features
- Response TimeApprox. 1 second
- Current Limit Alarm1m~499m A
- Data Logging99 records
- Auto Power Off (APO)○
- Interference Warning○
- Data TransmissionNone
- Data Hold (HOLD)○
Attributes
- Operating Temperature0~40 °C / below 70%RH, non-condensing
- Storage Temperature-10~60 °C / below 80%RH, non-condensing
- Altitude Limitbelow 1,000 m
- Power Supply1.5V AA batteries x 4
- Dimensions285 x 85 x 56 mm
- Weight1,160g (including batteries)
- AccessoriesCarrying case, standard resistance ring, batteries, user manual, CD
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