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Reference conditions and nominal operation conditions:
- Input signal: 0...
0.01...1.2 In; 0...0.01...1.2 Un, for voltage, current,
frequency, power and energy
0...
0.02...1.2 In; 0...0.07...1.2 Un, for Pf and t factors,
frequency 15...45...65...500 Hz
sinusoidal input signal THD 8%
0.1...1.2 In; 0.1...1.2 Un; 47... 52 Hz, for THDU, THDI and
harmonics
- power factor - 1...0...1
- ambient temperature 0...
23...55°C
- air humidity 25...95% (no condensation)
- power supply 85... 253 V d.c. or a.c. 40... 400 Hz
- admissible peak factor:
- current 2
- voltage 2
- external magnetic field 0...40...400 A/m
- short duration overload (5 sec):
- voltage inputs 2 Un (max.1000 V)
- current inputs 10 In
- working position optional
- warm-up time 5 minutes
Additional errors in % of the basic error:
- input signal frequency < 50%
- ambient temperature changes < 50%/10C
Resistance against supply decays acc. to EN 61000-6-2
Standards fulfilled by the meter:
Electromagnetic compatibility:
- immunity acc. EN 61000-6-2
- emission acc. EN 61000-6-4
Safety requirements: acc. EN 61010-1
- insulation ensured by the housing dual
- insulation between circuits basic
- installation category III
- pollution degree 2
- maximal working voltage in relation to ground 600 V a.c.