CIRCUTOR DHB Series - Manual (Page 50)

50
- input signal 0...0.005...1.2I
n
; 0.05...1.2U
n
for
current, voltage
0...0.1...1.2I
n
; 0...0.1...1.2U
n
; for
coefficients Pf
i
, t j
i
, j
frequency 45...66...100 Hz;
sinusoidal (THD  8%)
- power factor -1...0...1
- ambient temperature -25...23...+55°C
- storage temperature
-30...+70°C
- relative air humidity 25...95% ( inadmissible condensation )
- admissible peak factor of:
- current 2
- voltage 2
- external magnetic field 0...400 A/m
- short duration overload (5 s):
- voltage inputs 2Un (max.1000 V)
- current inputs 10 In
- work position any
- minimal distance between meters 1.5 cm
- power consumption:
- supply circuit < 6 VA
- in voltage/current circuit < 0.05 VA.
- input power 6 VA
Additional Errors in % of the basic error:
- from frequency of input signals
< 50%
- from ambient temperature changes < 50%/10°C
Standards Fulfilled by the Meter:
Electromagnetic Compatybility:
- noise immunity acc.to EN 61000-6-2
- noise emissions acc. to EN 61000-6-4
Safety Requirements: acc. to EN 61010-1 standard
l
isolation between circuits: basic,
l
installation category III,
l
pollution level 2,
l
maximal earth-to-phase voltage 600 V
l
altitude above sea level < 2000 m,
Preheating Time 15 minutes