Pressure Switch + Transmitter
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WP401B 2-relay Alarm Tilt LED Digital Cylindrical Pressure Switch
WP401B Pressure Switch combines cylindrical structural pressure transmitter with 2-relay inside tilt LED indicator, providing 4~20mA current signal output and switch function of upper & lower limit alarm. Corresponding lamp will blink when an alarm is triggered. Alarm thresholds can be set via built-in keys on site.
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WP501 Series Intelligent Switch Controller
WP501 Intelligent Controller features a big round aluminium casing terminal box with 4-digit LED Indicator and 2-relay providing ceiling & floor alarm signal. The terminal box is compatible with sensor component of other WangYuan transmitter products and can be used for pressure, level and temperature control. H & L alarm thresholds are adjustable over the whole measurement span in succession. Integrated signal light will up when measured value touches alarm threshold. Besides alarm signal, the switch controller can provide regular transmitter signal for PLC, DCS or secondary instrument. It also has explosion proof structure available for hazard area operation.
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WP501 Pressure transmitter & pressure Switch with local display LED
WP501 Pressure Switch is the intelligent display pressure controller combining with pressure measure, display and control together. With the integral electric relay, the WP501 can do much more than a typical process transmitter! In addition to monitoring the process, the application may call for providing an alarm or shutting down a pump or compressor, even actuating a valve.
WP501 Pressure Switch is reliable, sensitive switches. Its compact design and combination of set-point sensitivity and narrow or optional adjustable deadband, offers cost-saving solutions for a variety of applications. The product is used flexibly and easily calibrated, can be used for pressure measure, display and control for power station, tap water, petroleum, chemical-industry, engineer and liquid pressure, etc.
