1.2 Main characteristics
S12U16 meter have the following main characteristics: ?
Measurement of energy and demand.
? Active energy, reactive energy, apparent energy. ? Maximum
demand,cumulative maximum demand. ? Data storage and display.
? DLMS/COSEM Compliant.
63
* Instantaneous value and grid quality detection & record. *
Multi-tariff.
* 5 interfaces (Optical port, RS485, M-Bus, Uplink port, P1) *
replaceable battery and Internal battery or super capacitor
* Optical test output, electrical test output and second test
output.
* Anti-tempering: with standing of phase neutral inversion,
missing phases.
* No power reading with display key. * Local & remote
firmware upgrade. * Relay for connection/disconnection.
1.3 Meter performance
|
Meter Type
|
S12U16
|
|
Accuracy
|
Active
|
Class B/1
|
|
Reactive
|
Class 2
|
|
Standard
|
IEC62052-11/IEC62053-21/23
|
|
Connection
|
1P2W
|
|
Reference Voltage
|
220V
230V
240V
|
|
Current and Voltage
Connection
|
Direct
|
|
Rated Current
|
5(100)A
|
|
Rated Frequency
|
50/60Hz
|
|
Starting current
|
0.004Ib
|
|
Output Pulse
Ratio
|
Active
|
1000imp/kWh
|
|
Reactive
|
1000imp/kvarh
|
|
IP Rating
|
IP-54 indoor
|
|
Temperature
|
Operation
Range
|
-40°C--70°C
|
|
Limit Range
|
-40°C--85°C
|
64
|
for Storage
|
|
|
Limit Range
for
Transport
|
-40°C--85°C
|
|
Rel. Humidity
|
Manner over one year 95 %
Occasionally on other days 85 %
|
|
Operational voltage
|
Normal:0.8Un~1.15Un, Extended:0.6Un~1.3Un.
|
|
Max. Current
|
1.1 max current for 1 hour without meter damage.
|
|
LCD
|
Viewing distance: 2m
viewing angle: 6 o 'clock
|
Figure: Connect Diagram for single phase meter
| 
