• Gossen Metrawatt
  • Camille Bauer

Characteristic Values

U189B U189A U181A
Item number U189B U189A U181A
Product details page Details Details Details
Pulse output 2 pulse outputs Electrical 2 pulse outputs Electrical 2 pulse outputs Electrical
Interpulse period 50±2ms 50±2ms 50±2ms
Relative humidity Max. 80% without condensation Max. 80% without condensation Max. 80% without condensation
Nominal voltage +/- 20% +/- 20% +/- 20%
Overload capacity
Protection classes Front panel: IP 51, terminals: IP 20 Front panel: IP 51, terminals: IP 20 Front panel: IP 51, terminals: IP 20
Power consumption Max. 7.5 VA Max. 7.5 VA Max. 7.5 VA
LCD
Pulse output
Minimum current rating (Imin) 0.01A 0.01A 0.25A
Pulse duration 50±2ms 50±2ms 50±2ms
Tariff input voltage Max. 276 V AC-DC Max. 276 V AC-DC Max. 276 V AC-DC
Interface / bus connection None (only with bus connection) None (only with bus connection) None (only with bus connection)
Mechanical data
Electrical safety
Starting current 2mA 2mA 20mA
EMC
Power consumption
Accuracy of reactive energy 2 2 2
Ambient conditions
Measuring ranges
Power supply
Switching voltage Max. 250 V AC-DC Max. 250 V AC-DC Max. 250 V AC-DC
Number / type 2 / passive, optically isolated 2 / passive, optically isolated 2 / passive, optically isolated
Pulse run generator constants 1000 pulses per kWh 1000 pulses per kWh 1000 pulses per kWh
Reference current (Iref) 1A 1A 5A
Tariff input number / type 1 / active, optically isolated 1 / active, optically isolated 1 / active, optically isolated
Switching current Max. 100 mA Max. 100 mA Max. 100 mA
Storage temperature -25°C - 75°C -25°C - 75°C -25°C - 75°C
Internal power supply From measuring voltage From measuring voltage From measuring voltage
Operating temperature range -25°C - 55°C -25°C - 55°C -25°C - 55°C
Type of meter Electronic Electronic Electronic
Max. current (Imax) 6A 6A 80A
Nominal voltage (Un) N-L 230V - 400V 230V - 400V 230V - 240V
Nominal voltage (Un) L-L 240V - 415V 240V - 450V
Frequency 50Hz - 60Hz 50Hz - 60Hz 50Hz - 60Hz
Accuracy class B B B
Model Measurement transformer Direct measurement Direct measurement
Tariff type One-tariff One-tariff One-tariff
Measuring type load profile
Escapement mechanism
Calibrated x x x
Approval Measuring Instruments Directive Measuring Instruments Directive Measuring Instruments Directive
Type of indication Digital Digital Digital
Width in number of modular spacings 2 2 2
Type of interface None None None
EEC40 signature
With lock code

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