UNI-T 278A+ Clamp Earth Ground Tester

Specifications

• Earth Ground Resistance (Ω)
• 0.01~0.099Ω: ±(1%+0.01)
• 0.1~0.99Ω: ±(1%+0.01)
• 1~49.9Ω: ±(1%+0.1)
• 50~99.5Ω: ±(2%+0.5)
• 100~199Ω: ±(3%+1)
• 200~395Ω: ±(6%+5)
• 400~590Ω: ±(10%+10)
• 800~1200Ω: ±(25%+30)
• Leakage Current (A)
• 10mA~99mA: ±(2.5%+5mA)
• 100mA~299mA: ±(2.5%+10mA)
• 3A~30A: ±(2.5%+0.5A)
• Features
• Display Count: 4 digits LCD display
• Jaw Opening: 32mm
• Resistance Measurement Frequency: ＞1kHz
• Single Measurement Time: 1 second
• Current Limit Alarm: 1mA~499mA
• Current Measurement Frequency: 50Hz/60Hz
• RS-232: √
• Visual and Audible Alarm: √
• Jamming Signal Recognition: √
• Over-Range Display: √
• Data Storage: 99

General Characteristics

• Power: 1.5V battery (LR6) x 4
• Display: 47mm x 28.5mm
• Product Color: Red and grey
• Product Net Weight: 1160g
• Product Size: 285mm x 85mm x 56mm

Standard Accessories

• Batteries
• Test Ring
• Tool Box

Standard Individual Packing

• Gift Box
• English Manual