M20 (R)
Salient features
- LCD display with backlight
- Site Programmable CT and PT ratio
- True RMS measurement
- Password protection
- Bargraph for percentage current
- Optional features
- RS485modbus/TCP modbus/Ethernet modbus
computer interface - Maximum demand with relay contact
- RS485 computer interface
- Harmonic measurement (total & individual)
- Autoranging
- Universal auxiliary supply
- Real Time Clock (RTC)
- Time Of Use energy (TOU)
Applications:
- Control panel
- Distribution system
- Generator sets
- Motor control
- Test bench
- Energy management
- Process control & SCADA
Description
| Model | M20 plus |
| Class Accuracy | 0.5 |
| phase | 3 phase 4 wire / 1 phase 2 wire / 3 phase 3 Wire |
| Display | LCD |
| Auxiliary Voltage | 90-270 V AC/DC |
| Frequency | 45-65 Hz |
| Measurement Accuracy | 1% |
| Voltage | ±0.5% |
| Current | ±0.5% |
| Frequency accuracy | ±0.1% |
| Power factor | |
| Unbalances | Yes |
| Import/Export | Yes |
| THD Measurement | Yes |
| Individual Harmonics | Upto 31 level over RS485 |
| Total harmonics | Yes |
| Active Power | ±0.5% |
| Active Energy | ±1% |
| Apparent Power | ±1% |
| Reactive Power | ±2% |
| Reactive Energy | ±2% |
| Voltage Measurement Range | 10-300VAC Line to Neutral / 10-500 VAC Line to line |
| Current Measurement Range | 0.015A-6A AC Direct 32A(opt.) |
| Digital Input/Output | 4 potential free contact relay |
| Analog Input | No |
| Temp Sensor | No |
| Real Time Clock | Yes |
| Maximum Demand Controller | Yes |
| Voltage and current disturbance (Sag and Swell) | Yes |
| Degree of Protection | IP51 |
| Dual Source | Yes |
| Communication | Modbus RS485 |
| Baud Rate | 4800 to 38400 bps |
| Sampling Rate | 64 |
| Compliance Safety and EMC | IEC 61010-1 (Safety) , IEC 61000 4-2,4-3,4-6,4-8,4-4,4-11 (EMC) |
| Power Monitoring Device | IEC 61557-12 |
| Data Logger | No |
| Burdan | 3 VA Max. for aux supply for 0.2 VA for voltage and current |
| Weight | 350 gms |
| Ambient | -10-55 C |
