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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.

Technical specifications
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.

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