UNI-T UT253A 1200A Auto Range LCD Display Large Jaws Leakage Current  Clamp Meters Clamp Leaker Voltmeter Meter W/RS232 Data Hold             UT253 series are large current high precision leakage clamp meters that can measure up to 2000A. Its large 80mm×80mm jaw is able to clamp up to 96mm cables or & 64258;at-steel ground wires. UT253' s intelligent design can measure leakage current, three-phase voltages and display them on the screen simultaneously. Applications: The meter is widely used in electric power, communications, meteorology, railway, oil field, construction, metrology, R&D institutes, mining, ect.   Features   1. Auto range; RS-232 2. LCD backlight; Data hold 3. Over-range display 4. Auto power off 5. Low battery indication   Specifications               Specifications      Range      UT253A      UT253B              Leakage current (A)      0mA& 65374;300A      ±(1.5%+3)      ±(1.5%+3)              300A& 65374;1200A      ±(2%+3)      ±(2%+3)              1200A& 65374;2000A            ±(3%+3)              Voltage (Freq.)      √      √              Resolution      0.01mA      0.1mA              AC voltage (V)      0.00V& 65374;600V      ±(1.5%+3)      ±(1.5%+3)              Frequency: 50Hz/60Hz      √      √              Resolution      0.01V      0.01V              Features              Display mode            128 dots×64 dots LCD              Clamp size      80mm×80mm              Data logging            200      200              Test mode      Clamp CT, integration      √      √              General Characterisitics              Power      1.