50/60Hz (automatic)
Resistance measurement
frequency
Single measurement time
Outside magnetic field and
electric field
Full automatic shift
Structural characteristic Clamp CT
Double insulationProtection rate
Length, width and height 285mm 85mm
56mm
Clamp surface dimension
Clamp surface mass
1160g (inclusive of battery)
Clamp jaw stretch size
Clamp jaw dimension
8
9
65mm 32mm
28mm
Shift
40A/m 1V/m
0.5s
1KHz
*Frequency of the current
being measured
V Clamp Meter Structure
1 Long clamp head: 65 32mm
2 Trigger: control the closure and open
of clamp jaw
3 Function keys
ke key: (described as key POWER)
power on and off/exit
SAVE key: data inquiry/wipe data
AL alarm function key: alarm function
on/off
Left/right arrow key: resistance/current
mode conversion
4 HOLD key: hold/unhold display/store
5 LCD
6 RS232 port
UT276A/278A OPERATING MANUALUT276A/278A OPERATING MANUAL