WFET-1000D Voltage Quality Monitor
General introduction:
WFET-1000D voltage quality monitor is of network type, high precision and wide range, suitable for power system and online voltage quality monitoring device, which is an ideal accessory product in automatic acquisition system and quality monitoring and management system of supply voltage.
| Items | Indexes |
| Standard | Q/GDW 1819-2013, DL/T500-2009, GB/T12325-2008 |
| Communication protocol | Uplink: Q/GDW 1819-2013 protocol Guangdong power grid corporation voltage monitoring system communication protocol Guizhou power grid company voltage monitoring system communication protocol |
| Communication mode | Remote:1 channel Ethernet, 1 channel GPRS or 4G |
| Local:1 channel RS-232, 1 channel RS-485, 1 channel USB, 1 channel infrared interface | |
| Power supply | AC85V～400V |
| Working temperature | Working temperature:-40℃～+70℃, relative humidity:≤95% |
| Overall power consumption | Non-transmission state apparent power≤5VA, active power≤3W |
| Output interface | 5V second pulse output (50mA drive capability) |
| Storage capacity | 128MB FLASH |
| Measuring accuracy | Voltage measurement range:0.1Un~1.2Un, accuracy of voltage effective value:0.5 ℅ |
| Measurement circuit | Reference voltage: single phase,100V/220V/380V, three-phase three-wire:3×100V, three-phase four-wire:3×220V/380V |
| 1～3 channel measurement circuit | |
| Clock | Clock error≤0.5s/d, power-off continuous operation for 10 years |
| Reliability | MTBF≥7.6×104h |
| Structure | Wall mount installation, length×width×height:230mm×160 mm×65mm |
Main features
1. WFET-1000D voltage quality monitor is of high compatibility, wide voltage measuring range, single-phase and three-phase compatible design, easy installation by simple settings.
2. Abundant communication interface, supporting Ethernet, RS-232, RS-485, GPRS, 4G and other interface.
3. Security encryption: our monitor has passed the national CAC encryption authentication and accessed to the national network system for the record.
WILLFAR as a reliable voltage quality monitor manufacturer, mainly manufacture meter data management instrument, there are main products like electrical power data logger, data concentrator, data collector, applied for precision data logging, electric power monitoring, data management and data transmission. To serve daily life much better, WILLFAR company also provides custom meter data management and electrical energy efficiency management solutions in client demands.
