Page No.
22
5.-
TECHNICAL FEATURES
The electrical and mechanical design of the CIRWATT has incorporated all applicable
standards for electronic meters.
Power supply
Self supplied
Nominal voltage:
According to model:
Consumption:
< 2W
Frequency:
50 Hz or 60 Hz (according to model:)
Operating temperature:
-20 º C to + 60 º C
Voltage Measurement:
Connections:
3 or 4 wire in the same equipment
Reference voltage:
3 x 63.5/110V, 3 x 110/190V 3 x 127/220V 3 x 230/400V
(according to type)
Frequency:
50 Hz or 60 Hz
Current measurement:
Nominal current (base):
.../5A or .../ 1 A for direct measurement
Maximum current:
10 A or 20 A (2 x In) for indirect measurement
Accuracy: (According to model)
Active Energy:
Class 0.2S or 0.5S (IEC 60687)
Reactive energy:
Class 0.5S or 1 (IEC 61268)
Data memory:
Type:
FLASH (non volatile memory)
Setting
FIFO
Capacity:
Events:
512 events
Tariffs:
21 months per contract
Load curve:
213 days (hourly)
2nd Load curve:
53 days (1/4 hourly)
Battery:
Type:
Lithium
Life:
10 years (50% load)
Operation without battery nor
voltage:
Maximum 24 hours
Clock:
Type:
Quartz oscillator/Mains frequency
Accuracy:
< 0.5 s per day at 25 ºC
