Specifications

Range

Accuracy

Model

?

UT278A

Earth Ground Resistance (?)

0.01?-0.099?

±(1%+0.01)

0.1?-0.99?

±(1%+0.01)

1.0?-49.9?

±(1%+0.1)

50?-99.5?

±(2%+0.5)

100?-199?

±(3%+1)

200?-395?

±(6%+5)

400?-590?

±(10%+10)

600?-800?

±(20%+20)

800?-1200?

±(25%+30)

Leakage Current (A)

0mA-9mA

±(2.5%+1)

10mA-99mA

±(2.5%+5)

100mA-299mA

±(2.5%+10)

0.30A-2.99A

±(2.5%+0.1)

3.0A-9.9A

±(2.5%+0.3)

10.0A-20.0A

±(2.5%+0.5)

3A-30A

±(2.5%+0.5)

Features

Display Count

4 bit LCD digital display

?

Auto Range

?

?

Jaw Capacity

?

32mm

Single Measure Time

1s

?

Resistance Measurement Frequency

?1kHz

?

Current Measurement Frequency

50Hz/60Hz

?

Resistance Limit Alarm

1?-199?

?

Current Limit Alarm

1mA-499mA

?

RS-232

?

?

Beeper and Light Alarm

?

?

Jamming Signal Recognition

?

?

Over-Range Display

?

?

Low Battery Indication

?

?

Data Logging

?

99

General Characteristics

Power

1.5V Alkaline Battery (5#) X4

LCD Size

47mm X 28.5mm

Product Color

Red and grey

Product Weight

1160g

Product Size

285mm X 85mm X 56mm

Standard Accessories

Batteries, Test Ring, Tool Box

Standard Individual Packing

Gift Box, User Manual

Standard Quantity Per Carton

6pcs

Standard Carton Measurement

610mm X 375mm X 320mm

Standard Carton Gross Weight

25kg

Optional Accessories

RS232 Interface Cable, PC Software CD