• Gossen Metrawatt
  • Camille Bauer

Characteristic Values

U1289 U1381 U1387 U 1389 U1281
Item number U1289 U1381 U1387 U1389 U1281
Product details page Details Details Details Details Details
Pulse output None (only with bus connection) Electrical None (only with bus connection) Electrical None (only with bus connection) Electrical None (only with bus connection) Electrical None (only with bus connection) Electrical
Interpulse period > 30�ms > 30�ms > 30�ms > 30�ms > 30 ms
Relative humidity < 75% annual average < 75% annual average < 75% annual average < 75% annual average < 75% annual average
Interference emission EN 55022: Class B EN 55022: Class B EN 55022: Class B EN 55022: Class B EN 55022: Class B
Burst 2�kV 2�kV 2�kV 2�kV 2 kV
Overload capacity
Sampling rate Continuous, 32 per period Continuous, 32 per period Continuous, 32 per period Continuous, 32 per period Continuous, 32 per period
Protection IP 20 IP 20 IP 20 IP 20 IP 20
Power consumption Voltage path, total including supply: < 2�VA Voltage path, total including supply: < 2�VA Voltage path, total including supply: < 2�VA Voltage path, total including supply: < 2�VA Voltage path, total including supply: < 2 VA
Rated insulation voltage Input: 300�V AC
Output: Feature V1, V2: 50�V�DC (S0 and bus)
Output: Feature V3, V4: 230�V�AC (pulse)
Input: 300�V AC
Output: Feature V1, V2: 50�V�DC (S0 and bus)
Output: Feature V3, V4: 230�V�AC (pulse)
Input: 300 V AC
Output: Feature V3, V4: 230 V AC (pulse)
Output: Feature V1, V2: 50 V DC (S0 and bus)
Material Lexan polycarbonate per UL94 V0 Lexan polycarbonate per UL94 V0 Lexan polycarbonate per UL94 V0 Lexan polycarbonate per UL94 V0 Lexan polycarbonate per UL94 V0
LCD
Limit frequency 45Hz - 65Hz 45Hz - 65Hz 45Hz - 65Hz 45Hz - 65Hz 45Hz - 65Hz
Pulse output U(ext) Max. 40�V (375�V with feature V3,V4) Max. 40�V (375�V with feature V3,V4) Max. 40�V (375�V with feature V3,V4) Max. 40�V (375�V with feature V3,V4) Max. 40 V (375 V with feature V3,V4)
Pulse output
Minimum current rating (Imin) 0.1A 0.01A 0.01A 0.01A 0.1A
Voltage input ? 2.5 sq. mm with wire end ferrule or ? 2 x 1.5 sq. mm without wire end ferrule ? 2.5 sq. mm with wire end ferrule or ? 2 x 1.5 sq. mm without wire end ferrule ? 2.5 sq. mm with wire end ferrule or ? 2 x 1.5 sq. mm without wire end ferrule ? 2.5 sq. mm with wire end ferrule or ? 2 x 1.5 sq. mm without wire end ferrule ≤ 2,5mm sq. mm with wire end ferrule or ≤ 2 x 1.5 sq. mm without wire end ferrule
Display range 0Bit - 9999999Bit 0Bit - 9999999Bit 0Bit - 9999999Bit 0Bit - 9999999Bit 0Bit - 9999999Bit
Pulse duration 30 ms 30 ms 30 ms 30 ms 30 ms
Max. altitude 2000m 2000m 2000m 2000m 2000m
Weight < 0.5 kg < 0.5 kg < 0.5 kg < 0.5 kg < 0.5 kg
Interface / bus connection LON LON
M-Bus
L-Bus
L-Bus
M-Bus
LON
LON
L-Bus
M-Bus
LON
M-Bus
L-Bus
Mechanical data
Type 7-segment characters 7-segment characters 7-segment characters 7-segment characters 7-segment characters
Electrical safety
EMC
Protection class II II II II II
Phase sequence/phase Blinks in case of error Blinks in case of error Blinks in case of error Blinks in case of error Blinks in case of error
Power consumption
So pulse output, �, tariff input ? 2.5 sq. mm with wire end ferrule or ? 2 x 1.5 sq. mm without wire end ferrule ? 2.5 sq. mm with wire end ferrule or ? 2 x 1.5 sq. mm without wire end ferrule ? 2.5 sq. mm with wire end ferrule or ? 2 x 1.5 sq. mm without wire end ferrule ? 2.5 sq. mm with wire end ferrule or ? 2 x 1.5 sq. mm without wire end ferrule ≤ 2,5mm sq. mm with wire end ferrule or ≤ 2 x 1.5 sq. mm without wire end ferrule
Accuracy of reactive energy 2 2 2 2 2
Conducted interference 10 V 10 V 10 V 10 V 10 V
Operation site Indoors Indoors Indoors Indoors Indoors
Surge voltage 6�kV, 1.2/50��s 10+/10- surges 6�kV, 1.2/50��s 10+/10- surges 6�kV, 1.2/50��s 10+/10- surges 6�kV, 1.2/50��s 10+/10- surges 6kV, 1,2/50µs 10+/10- surges
Display refresh Approx. 6�s Approx. 6�s Approx. 6�s Approx. 6�s Approx. 6 s
Ambient conditions
Measuring ranges
Power supply
Starting current 20mA 2mA 2mA 2mA 20mA
Electrostatic discharge 15�kV 15�kV 15�kV 15�kV 15 kV
Main display 7-place, height: 6�mm 7-place, height: 6�mm 7-place, height: 6�mm 7-place, height: 6�mm 7-place, height: 6 mm
Voltage path 2/3-wire meter: < 2 VA
4-wire meter: < 1 VA per phase (including supply power)
2/3-wire meter: < 2 VA
4-wire meter: < 1 VA per phase (including supply power)
2/3-wire meter: < 2 VA
4-wire meter: < 1 VA per phase (including supply power)
Permissible deviation -0,75 -0,75 -0,75 -0,75 -0,75
Pulse run generator constants With direct connection: 1000 pulses per kWh With transformer connection: 1000 pulses per kWh With transformer connection: 1000 pulses per kWh With transformer connection: 1000 pulses per kWh With direct connection: 1000 pulses per kWh
Reference current (Iref) 5A 1A 1A 1A 5A
Dimensions (W x H x D) Height: ? 90�mm
Overall depth: ? 75�mm
Width: 125.5 +0.5�mm
Height: ? 90�mm
Overall depth: ? 75�mm
Width: 125.5 +0.5�mm
Height: ≤ 90mm
Overall depth: ≤75 mm
Width: 125.5 +0.5 mm
Mounting type Top-hat rail per DIN EN 50022 or wall mounting Top-hat rail per DIN EN 50022 or wall mounting Top-hat rail per DIN EN 50022 or wall mounting Top-hat rail per DIN EN 50022 or wall mounting Top-hat rail per DIN EN 50022 or wall mounting
External supply Auxiliary voltage: 24 V � 10%
Current consumption: < 1 W
Auxiliary voltage: 24 V � 10%
Current consumption: < 1 W
Auxiliary voltage: 24 V ± 10%
Current consumption: < 1 W
Switching current Max. 27�mA (100�mA with feature V3, V4) Max. 27�mA (100�mA with feature V3, V4) Max. 27�mA (100�mA with feature V3, V4) Max. 27�mA (100�mA with feature V3, V4) Max. 27 mA (100 mA with feature V3, V4)
Insulation test current Input <-> output / housing: 4�kV AC
Output <-> housing: Feature V1, V2: 500 V (S0 and bus)
Output <-> housing: Feature V3, V4: 4 kV (pulse)
Input <-> output / housing: 4�kV AC
Output <-> housing: Feature V1, V2: 500 V (S0 and bus)
Output <-> housing: Feature V3, V4: 4 kV (pulse)
Input <-> output / housing: 4 kV AC
Output <-> housing: Feature V1, V2: 500 V (S0 and bus)
Output <-> housing: Feature V3, V4: 4 kV (pulse)
Auxiliary display 8-place, height: 5�mm 8-place, height: 5�mm 8-place, height: 5�mm 8-place, height: 5�mm 8-place, height: 5�mm
Overload capacity All meters: Continuous, 1.15�Ur and Imax
Direct connection: 5 x 3 sec.: Ur and 100 A (interval: 5 min.)
Direct connection: 5 x 3 sec.: 1 x 1 sec.: Ur and 250 A
All meters: Continuous, 1.15�Ur and Imax
Current transformer connection: 0.5�s 20 x Imax
Current transformer connection: continuous,10 x Imax
All meters: Continuous, 1.15 Ur and Imax
Direct connection: 5 x 3 sec.: Ur and 100 A (interval: 5 min.)
Direct connection: 5 x 3 sec.: 1 x 1 sec.: Ur and 250 A
Storage temperature -25°C - 70°C -25°C - 70°C -25°C - 70°C -25°C - 70°C -25°C - 70°C
Current input Solid wire ? 16 sq. mm, without wire end ferrule Solid wire ? 16 sq. mm, without wire end ferrule Solid wire ? 16 sq. mm, without wire end ferrule Solid wire ? 16 sq. mm, without wire end ferrule Solid wire ≤ 16 sq. mm, without wire end ferrule
Internal power supply 80 to 115% Ur 80 to 115% Ur 80 to 115% Ur 80 to 115% Ur 80 to 115% Ur
Electrostatic fields 10�V/m under load
30�V/m at idle
10�V/m under load
30�V/m at idle
10 V/m under load
30 V/m at idle
Power consumption per current path At Imax: < 1�VA (direct)
Where Iref < 0.02 VA (direct)
Where Imax < 0.03 VA (transformer)
Where Iref < 0.001 VA (transformer)
Where Imax < 1 VA (direct)
Where Iref < 0.02 VA (direct)
Error message Highlighted in color for severe errors Highlighted in color for severe errors Highlighted in color for severe errors Highlighted in color for severe errors
Operating temperature range -25°C - 55°C -25°C - 55°C -25°C - 55°C -25°C - 55°C -25°C - 55°C
Type of meter Electronic Electronic Electronic Electronic Electronic
Nominal current (In) 65A 6A 6A 6A 65A
Max. current (Imax) 65A 6A 6A 6A 65A
Nominal voltage (Un) N-L 100V - 500V 100V - 500V 100V - 500V 100V - 500V 100V - 500V
Nominal voltage (Un) L-L 100V - 500V 100V - 400V
Frequency
Accuracy class B B B B B
Pole type Not applicable Not applicable Not applicable Not applicable Not applicable
Model Direct measurement Measurement transformer Measurement transformer Measurement transformer Direct measurement
Energy type Effective power and blind power Blind power Blind power Blind power Effective power and blind power
Suitable for Purchase Purchase Purchase Purchase Purchase
Tariff type Multi-tariff Multi-tariff Multi-tariff Multi-tariff Multi-tariff
Tariff control Internal/external Internal/external
Measuring type load profile
Escapement mechanism
Calibrated x x x x x
Approval Measuring Instruments Directive Measuring Instruments Directive Measuring Instruments Directive Measuring Instruments Directive Measuring Instruments Directive
Pulse type S0 S0 S0 S0 S0
Pulse rate 1Imp/kWh (kvarh) - 1000Imp/kWh (kvarh) 1Imp/kWh (kvarh) - 10000Imp/kWh (kvarh) 1Imp/kWh (kvarh) - 10000Imp/kWh (kvarh) 1Imp/kWh (kvarh) - 10000Imp/kWh (kvarh) 1Imp/kWh (kvarh) - 1000Imp/kWh (kvarh)
Type of indication Digital Digital Digital Digital Digital
Width in number of modular spacings 7 7 7 7
Type of interface LON bus LON bus LON bus LON bus LON bus
EEC40 signature
With lock code
Degree of protection (IP) Other Other Other Other Other
Magnetic field and line frequency 0.5�mT 0.5�mT
Number of positions total (counter)

Dialogue, Information and Actions: