Wattmeter - power converter to RS485
- High precision
- Input/output galvanically isolated
- For measurement of DC (DC) and AC (AC) power
- TrueRMS method for AC power measurement
- Allows measurement of Voltage, Current, Power, Reactive Power, Apparent Power
- Frequency, Cos?, Energy bidirectional (DC only), Vpeak, Ipeak, THD
| Power supply | 12-24 Vac/dc |
| Control input | Analog signal |
| Output - relay | 0x |
| Communication Bus | RS485 |
| Producer | Pixsys |
Single-phase TrueRMS DC and AC current measurement transformer, complete with voltage measurement and power conversion available via industry standard RS485 ModBus. The characteristics of these transmitters ensure high accuracy temperature readings with a 12-bit precision A/D converter. The device is functionally and visually similar to standard active measurement transformers, but is capable of measuring DC and TRMS AC components of current and voltage. The wattmeter is configurable using RS485 and Pixsys EnergyMeter-Programmer. The following data can be obtained using RS485: Irms, Vrms, Watt, Var, Va, Vpk, Ipk, Frequency, Cos?, Energy bidirectional, THD.
| TECHNICAL PARAMETERS | |
|---|---|
| Dimensions | 46.1 x 63 x 26.3 mm |
| Power supply | 9...30 Vdc, overvoltage and overtemperature protection |
| Output | RS485 ModBus RTU |
| Measuring range | Current max 50Arms (±50A) Voltage max 800Vac / 1000Vdc |
| Accuracy | Voltage, Current, Power, Reactive power, Apparent power < 0.5% of range Frequency ±0.1 Hz Energy ±1% Vpeak, Ipeak ±5% of range |
| Measurements | True RMS (DC, 1...400Hz) |
| Sampling | 11000 samples in 1s |
| Hysteresis | 0.15% of range |
| Isolation | 3kV |
| Input impedance | 1 M? ±1% |
| Standards | EN61000-6-4/2006 + A1 2011; EN64000-6-2/2005; EN61010-1/2010 |
| Operating conditions | -15...+65°C 30...90% RH non-condensing |
| Overvoltage protection category | Cat III up to 600V; Cat II up to 1000V |
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