UNI-T UT278A+ Clamp Earth Ground Tester, Auto Range, 4 digits LCD display, Jaw Opening: 32mm

MeterTo MeterTo mainly offers instruments and tools. Please confirm the product is offered by our store MeterTo when purchasing, otherwise we can't ensure the quality and after-sale service. 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: YES Visual and audible alarm: YES Jamming signal recognition: YES Over-range display: YES Data storage: 99 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) 600~800Ω ±(20%+20) 800~1200Ω ±(25%+30) Leakage current (A): 0mA~9mA ±(2.5%+1mA) 10mA~99mA ±(2.5%+5mA) 100mA~299mA ±(2.5%+10mA) 0.3A~2.99A ±(2.5%+0.1A) 3A~9.9A ±(2.5%+0.3A) 10A~20A ±(2.5%+0.5A)

• Grounding resistance measurement in electricity, telecommunication, meteorology, oilfield, architecture and industrial electric equipment
• Resistance limit alarm
• Auto calibration; Auto power off.
• Auto range & Data hold;
• Comes in an Attractive Black Carry Case Bag which is well padded from inside.