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3 -
2.4 Accuracy
Voltage
0·5% of range maximum
Current
0·5% of nominal
Frequency
0·2% of mid-frequency
Power factor
1% of unity (0.01)
Active power (W)
±1% of range maximum
Reactive power (VAr)
±2% of range maximum
Apparent power (VA)
±1% of range maximum
Active energy (Wh)
Class 1 IEC 62053-21
2.5 Environment
Operating temperature
-25°C to +55°C*
Storage temperature
-40°C to +70°C*
Relative humidity
0 to 90%, non-condensing
Altitude
Up to 2000m
Warm up time
1 minute
Vibration
10Hz to 50Hz, IEC 60068-2-6, 2g
Shock
30g in 3 planes
*Maximum operating and storage temperatures are in the context of typical daily and seasonal
variation.
3. Start Up Screens
The first screen lights up all display segments
and can be used as a display check
The second screen indicates the firmware
version number
The interface performs a HELLO to welcome
After a short delay, the screen will display active energy measurements.
4.Measurements and display
The buttons operate as follows:
Summary of Contents for SDM120C
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