HOT!!!!!!!GVLY-ZKZ-3T series Speed Monitoring Device

1:ISO standard 2:RS-485 Communication mode, MODBUS protocol 3:Fo power plant monitoring system services

                 GVLY-ZKZ-3 and GVLY-ZKZ-3T series speed monitoring device

Product Description

GVLY-ZKZ-3 and GVLY-ZKZ-3T series speed monitoring device external speed pulse sensor, the PT voltage transformer signal, the speed of the real-time monitoring of hydro-generating unit, the unit speed point output switch signal and the unit speed analog signalservice to open automatically ,shut down and power plant monitoring system.

Main Technical Parameters

Measurement signal large ones	One Pulse signal and one PT signals (or permanent magnet machines signal)
Measuring frequency range	0.05~100Hz
Measurement accuracy	Non-linearity <1% , the speed dead zone <0.02%
Switch output signal	Speed value signal: 8-way, every point by the user in the given range of tuning
Peristaltic monitoring signal	A setting, speed for 4 minutes in 0.05% ~ 1% Ne contact closure.
Devices power failure alarm signal	1 setting, abnormal contact closure
Analog output	4 ~ 20mA (corresponding to the rotational speed of the unit 0% Ne to 200% Ne)
Communication mode	RS-485 communication, MODBUS protocol.
Output contact capacity	0.2A/250VAC,0.2A/30VDC
Work environment	Temperature 0 ~ 60 °C, Humidity <85%
Dimension	160 × 80 × 250mm panel mounting
Hole size	152 X 76 mm
Power supply	DC110~340V or AC85~265V/50Hz

HOT!!!!!!!GVLY-ZKZ-3T series Speed Monitoring Device