7
8
Phase location angle ( PG = acos(PF) )
Range
Accuracy
Resolution
Measurement conditions
The minimum measurement current is 10A.
The minimum measurement voltage is 45V.
Measurement current is less than 10A or
measurement voltage is less than 45V.
Only for reference
The maximum permissible overload protection voltage
600V
r.m.s
The maximum permissible overload protection current
1000A
r.m.s
Electric energy (kWh)
~
Range
Accuracy
Resolution
The maximum permissible overload protection voltage
600V
r.m.s
The maximum permissible overload protection current
1000A
r.m.s
Phase sequence judgment (only UT243 has this function)
Phase
sequence
judgment
Positive sequence detection
Negative sequence detection
Default phase detection
Testing conditions: (50Hz~60Hz)
ACV: The minimum value is 30V and the maximum
value is 500V.
Testing conditions: (50Hz~60Hz)
ACV: The minimum value is 50V and the maximum
value is 500V.
Other functions:
Display: 4 bits of LCD with the maximum counting of 9,999 and multiplex display
Range selection: Automatic rangelOver-range display:
OL
Automatic shutdown function: Machine will power off automatically for operation failure within
period designated by measurement ending (except electric energy gear); Automatic power-off
period also shall be set under setup mode.
Measurement function of the maximum/minimum value (of voltage, current, active power and
inactive power measurement)
Measurement function of total three-phase power
Measurement of total harmonic distortion rate and single-harmonic component
Data retention function
White backlight function
Storage function: The maximum value is 999 groups for single/continuous record of data
readback
USB interface communication function
Sampling speed: twice/second
Power: 4 alkaline batteries of 1.5V
Storage temperature
-20
70
Dimension
303x112x39(mm)
Weight: 601g
/Altitude
2000m
UT241/242/243 OPERATING MANUAL
UT241/242/243 OPERATING MANUAL