9
Instruction Manual
CIRWATT B 101-102
2�3 - PARAMETERS MEASURED
The meter is able to measure the following parameters:
• Active energy imported, exported and reactive in all four quadrants.
• Active and reactive power.
• Effective voltage and current
• Power factor
2�4 - NOMINAL, MAXIMUM AND MINIMUM OPERATING CONDITIONS
2�4�1 - ELECTRICAL PARAMETERS
Reference voltage (U
ref
):
1 x 127 V o 1 x 230 V (depending on version)
Operating voltages:
minimum: 80% U
ref
maximum: 120% U
ref
Reference frequency:
50-60Hz
Power absorbed per phase:
< 2 W; <10 VA for Ib, U
ref
(no auxiliary features)
2�4�2 - ENVIRONMENTAL PARAMETERS
Minimum temperature:
-40 ºC (in compliance with metrological accuracy standards)
Maximum temperature:
+70 °C; 95% relative humidity (without condensation).
2�5 - BUILD CHARACTERISTICS
2�5�1 - GENERAL
The meter has a class-II protective insulating enclosure and double insulation.
As specified in Directives 2002/96/EC and 2002/95/EC, none of the materials or substances specified
therein are used. The materials used are fire retardant, halogen free and emit low quantities of opaque,
toxic or corrosive fumes.
The operation of the device is not affected by the presence of external magnetic fields.
The meter manufacturer guarantees a service life for the device of at least 15 years at a temperature
of 35 °C.
2�5�2 - ENVIRONMENTAL CHARACTERISTICS
The meter:
Degree of protection provided by enclosures Code IP53, CEI 60529:2001 standard.
It is protected against salt spray, UNE-EN 60068-2-11:2000 standard.
It is UV resistant, UNE-EN 60068-2-5:2000 standard.
