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Dwyer Dh-004 Pressure Controller


Dwyer Instruments Magnehelic Gauges -  Dwyer Dh-004 Pressure Controller

30% 30 percent off rrp

Department: Dwyer Instruments Magnehelic Gauges
  Dwyer Dh-004 Pressure Controller
   
  DWYER DH-004 PRESSURE CONTROLLER The Series DH Digihelic Differential Pressure Controller is a 3 in 1 instrument possessing a digital display gage, control relay switches, and a transmitter with current output. Combining these 3 features allows the reduction of several instruments with one product, saving inventory, installation time and money. The Digihelic controller is the ideal instrument for pressure, velocity and flow applications, achieving a 0.5% full scale accuracy on ranges from 0.25 to 100 in. w.c.
The Digihelic controller allows the selection of pressure, velocity or volumetric flow operation in several commonly used engineering units. Two SPDT control relays with adjustable dead bands are provided along with a scalable 4-20 mA process output. In velocity of flow modes, a square root output is provided on the 4-20 mA signal to coincide with the actual flow curve. The Series DH provides extreme flexibility in power usage by allowing 120/220 VAC and also 24 VDC power which is often used in control panels.

Programming is easy using the menu key to access 5 simplified menus which provide access to: security level; selection of pressure, velocity or flow operation; selection of engineering units; K-factor for use with flow sensors; rectangular or circular duct for inputting area in flow applications; set point control or set point and alarm operation; alarm operation as a high, low or high/low alarm; automatic or manual alarm reset; alarm delay; view peak and valley process readings; digital damping for smoothing erratic process applications; scaling the 4-20 mA process output to fit your applications range; Modbus communications; and field calibration.

With all this packed into one product it is easy to see why the Digihelic controller is the only instrument you will need for all your pressure applications.
Manufacture: Dwyer
Weight: Service: Air and non-combustible, non-conducting compatible gases. Wetted Materials: Consult Factory. Housing Material: ABS plastic, UL approved 94-V-0. Accuracy: 0.5% at 77°F (25°C) including hysteresis and repeatability. Stability: < 1% per ye
Dwyer
Code#:
DH-004
MyTub Code#: 300218
PDF File: Download pdf brochure 0.28mb
 
rrp£1088.51
save£326.55
price£761.96

inc vat£914.35

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Overall a good service. I would recommend it to others and use it again. Website is clear and easy to follow, the different part number was clearly shown as the correct replacement for what I needed. The part availability request was answered promptly the request for a suitable fitter took a little longer but was still OK. Delivery time was reasonable, but it did arrive one day early good, but would have been annoying if Id made special arrangements for accepting the delivery. My only criticism is of the confirmation emails. Some were sent in duplicate, which would have been confusing if Id had several different items on order. And one confirmation of despatch arrived after the part had been delivered and fitted!
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Dwyer Dh-004 Pressure Controller