UNI-T UT258A DC/AC Clamp Leaker Meter Sensitivity Leakage Current Tester  Ammeter Ampere Analog Meter Amperimetro Amperemeter Descriptions: UT258 Series AC/DC Clamp Leaker is specially designed for measurement of AC/DC current,leakage current(Applied under 600V AC), by adopting up-to-date CT technology and digital integration technology. The small clamp is suitable for line densely places (electric power measurement system, the high speed rail system, car circuit overhaul, and so on), non-contact measurement, to ensure safe operation. It is a product with relatively small size, high accuracy and perfect function compared with similar leakers in the world. The leaker could be widely applied in those fields as electricity, communications, meteorology, railroad, oilfield, construction, measurement, scientific & research teaching institutes, industrial and mining establishments. it is an essential tool for electrician safety testing. Special Functions: Display mode: Four digits LCD display Clamp Size: ?7mm Auto Range: √ RS-232 Interface: √ Date Storage: √ Set to Zero Function: Adust  “ZERO” key to return to zero, delete residual magnetism, then clamp the wire Date hold: √ Line Voltage: AC 600V Auto Power Off: 5 Minutes Low Battery Indication: Indicating the battery voltage is lower than 7.2V.Then the battery have to be changed Sampling Rate: 2 times/s Working Current: 10mA Specifications: Model: UT258A Current (A): 0mA?60.0A AC/DC±(2%+5) Resolution: mA  AC/DC       Frequency response: AC:45HZ?200HZ     General Characteristics: Power Supply: Zn-Mn dry battery,6F22,9V (not included) Product Color: Red + Grey Product Net Weight: 137g Product Size: 168mm * 65mm * 34mm Package Size: 20 * 9 * 6cm / 7.9 * 3.6 * 2.4in Package Weight: 331g / 11.6oz Package list: 1 * UNI-T UT258A DC/AC Clamp Leaker 1 * RS232 Interface Cable 1 * PC Software CD 1 * English Manual