UNI-T UT257A Superlarge Caliber Leakage Clamp Meter UT-257A
UT257A Superlarge Caliber Leakage Clamp Meter is well designed and manufactured for measuring AC leakage current, current, voltage, adopt the latest CT technology and digital integrated technology. Its large caliber 108mm×148mm can clamp electric cable of 108mm diameter, or 160mm×4mm flat cable and steel earth wires. It has the biggest caliber and widest current range all over the world, particularly suitable for leakage current measurement of cable and transformer earth steel. Full automatically and LCD display, all the data are displayed in the screen, which is very clear and convenient. The meter is widely used in electric power, communication, meteorology, railway, oil field, architecture, measuring, teaching research unit, industrial mining enterprises, etc.
Specification Range Best Accuracy
Model UT257A
Leakage Current and Current (A) Range 0.0mA~499A ±(2%+5)
500A~999A ±(3%+5)
1000A~2999A ±(4%+5)
Resolution 0.1mA
Test Range AC 0.0mA~3200A √
Special Functions
Display Mode Four Digits LCD Display √
Clapm Size 108mm×148mm (can clamp electric cable of 108mm diameter, or 160mm×4mm flat cable and steel earth wires) √
Auto Range √
RS-232 √
Data Storage 99Groups
LCD Backlight √
Date Hold √
Overload Protection OL √
Auto Power Off 5Minutes √
Low Battery Indication ≤5.2V √
Test Model Clamp CT, integral mode √
General Characteristics
Power Supply 6V DC(LR6×4 alkaline dry batteries)
LCD Size 47mm×28.5mm
Product Color Red + Grey
Product Weight 1.5Kg(Included Batteries)
Product Size 350mm×180mm×55mm
Standard Accessaries Batteries, RS232 Interface Cable, Software CD, Toolbox
Standard Individual Packing Gif Box, English Manual, Warranty Card
Standard Quatity Per Carton 4PCs
Standard Carton Measurement 564mm×428mm×270mm
Standard Carton Gross Weight 23.3Kg
package including:RS232 Interface Cable,Software CD,Toolbox