General Functions

Range

Accuracy

Type

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

4-bit LCD digital display

√

Jaw Size

108mm×148mm (can clamp φ108mm wires, or 160mm×4mm flat-steel ground wires)

√

Auto Range

√

RS-232 Data Transmission

√

Data Storage

99 groups

LCD Backlight

√

Data Hold

√

Overload Indication

OL

√

Auto Power-off

5 mins

√

Low Battery Indication

≤5.2V

√

Test Type

Clamp CT, integration method

√

General Characteristics

Power Supply

6V DC LR6 Alkaline dry battery×4

LCD Size

47mm×28.5mm

Product Color

Red and grey

Product Weight

1.5kg (with batteries)

Product Size

350mm×180mm×55mm

Standard Accessories

Batteries, RS232 data cable, PC software CD, toolbox

Standard Package

Gift box, user manual, toolbox

Standard Package Quantity

6pcs

Standard Package Size

610X375X320mm

Standard Package Gross Weight

35kg