| |
EMA-90N 
EMA-90N Power meter with basic power qualty analysis
Network analyzers with basic energy quality analysis, color TFT display, harmonic analysis, 4 current channels, waveforms, event log
| Introduction |
| Range |
EMA |
| Product name |
EMA-90N |
| Product type |
Network analyzer |
| Technical characteristics |
| Device application |
Energy and power monitoring
Multi-tariff
Sub-billing
Gateway |
| Power quality analysis |
Up to the 63rd harmonic
Phasor diagram
Swell overvoltages
DIPs
Interruptions |
| Type of measurement |
True RMS
Active and reactive power
Apparent power
Current
Voltage
Energy
Power factor
Frequency
Total current harmonic distortion THD (I)
Total voltage harmonic distortion THD (V)
|
| Supply voltage |
90...250 VAC/DC
20...60 VAC/DC (optional) |
| Network frequency |
50 Hz
60 Hz |
| Rated current [In] |
5 A
1 A |
| Wiring connection |
1P
2P
3P + N
3P
3P balanced
ARON |
| Power consumption |
10 VA |
| Display type |
Color TFT display |
| Measurement current |
0,050...5 A with CT /5 A
0,010...1 A with CT /1 A |
| Measurement voltage |
30-400 V phase to neutral
50-690 V phase to phase |
| Frequency measurement range |
40-70 Hz |
| Sampling |
128 samples/period |
| Measurement refresh |
200 ms |
| Neutral current input |
Measured
Calculated |
| Accuracy class |
Class 1 active energy conforming to IEC 62053-22
Class 0.5S active energy conforming to IEC 62053-22 (optional)
Class 0.2S active energy conforming to IEC 62053-22 (optional) |
| Communication port |
RS485 |
| Communication protocol |
Modbus 4,8...115,2 kbauds |
| Number of outputs |
2 |
| Mounting mode |
Flush mount 96x96 mm |
| Standards |
CEI EN 61000-6-2:2006
CEI EN 61000-6-4:2007
CEI EN 61010-1:2013 |
| Weight |
450g |
| Environment |
| IP degree of protection |
IP40 on front
IP20 terminals |
| Relative humidity |
5...95% |
| Operating temperature |
-25...+70 °C |
| Storage temperature |
-30...+80 °C |
| Options |
| Amperometric inputs from CT 1 A |
| Amperometric inputs from pre-wired compact sensors |
| Amperometric inputs from Rogowski sensors |
| Number of digital inputs |
2
4 |
| Number of digital outputs |
2
4
6
8 |
| Number of analog outputs |
2
4 |
| Communication protocol |
Ethernet Modbus TCP/IP
SNMP
M-bus
Profibus DP |
| ConSight |
Web-based real-time energy measurement and analysis monitoring |
| Omologation |
RINA approved |
|
|