3 Phase voltage meter
1. Multi function LCD Meter
2. 3 Phase Voltmeter
3. 0.5%FS accuracy, RS485 communication
4. CE, ISO
Toky DW9L series 3 phase multi-function power meter with following features:
1) To measure: Voltage, Current, Active Power, Reactive Power, Power Factor, Frequency (Hz), Kwh, 4 Quadrant Energy, etc. Total 28 electrical parameters;
2) 240*160 dot big LCD for display.
3) Two On-Off Input / Output, with remote control RS485 Modbus communicatoin and measurement function;
4) Isolation between Input and Output signal;
5) True effective value measuring;
6) Two alarm output for Voltage, Current, Power Factor, Active Power, Reactive Power;
7) Transformed analog output 4-20mA for voltage, current, active power, reactive power, frequency, power factor;
8) With RS485 communication function (Modbus RTU protocol);
9) With power down memory function for KWH / KvarH.
| Model | Alarm | Analog | Communication | Pulse Output | ON/OFF Output |
| DW9L-A30B | NO | NO | NO | YES | YES |
| DW9L-A38B | NO | NO | RS485 | ||
| DW9L-RC30B | 2 | NO | NO | ||
| DW9L-RC38B | 2 | NO | RS485 | ||
| DW9L-DC30B | 2 | 4-20mA | NO | ||
| DW9L-DC38B | 2 | 4-20mA | RS485 |
| Connection | 3 Phase 3 Wires, 3 Phase 4 Wires |
| Rated voltage value | AC 50-260V Phase Voltage / AC 50-450V Line Voltage |
| Voltage overload | Continuous: 1.2 times Instantaneous: 2 times/10S |
| Consumption of voltage | <1VA (each phase) |
| Voltage imdepance | ≥ 300K Ω |
| Voltage accuracy | RMS measure, accuracy class 0.5 |
| Rated current value | AC 0.025A -- 5A |
| Current overload | Continuous: 1.2 times Instantaneous: 10 times/10S |
| Consumption of current | <0.4VA (each phase) |
| Current imdepance | <20mΩ |
| Current accuracy | RMS measure, accuracy class 0.5 |
| Frequency | 45-60Hz, accuracy 0.1Hz |
| Power | Active / Reactive / Apparent power, accuracy 0.5%F.S. |
| Energy | Accuracy for Active Power and Reactive Power : 1%F.S. |
| Display | LCD display |
| Power supply range | AC/DC 100--240V (85--265V) |
| Power supply consumption | ≤7VA |
