New Old Stock

Dwyer DH3-003 Digihelic Differential Pressure Controller 0-0.5 New Old Stock

Dwyer DH3-003 Digihelic Differential Pressure Controller 0-0.5 New Old Stock
Dwyer DH3-003 Digihelic Differential Pressure Controller 0-0.5 New Old Stock
Dwyer DH3-003 Digihelic Differential Pressure Controller 0-0.5 New Old Stock
Dwyer DH3-003 Digihelic Differential Pressure Controller 0-0.5 New Old Stock
Dwyer DH3-003 Digihelic Differential Pressure Controller 0-0.5 New Old Stock

Dwyer DH3-003 Digihelic Differential Pressure Controller 0-0.5 New Old Stock

Up for sale is one (1) Dwyer Instruments Series DH3 Digihelic® Differential Pressure Controller, model DH3-003, new in original box with instructions and hardware included. This is genuine factory-new old stock - the DH3 series has been discontinued by Dwyer and is no longer available through normal distribution channels, making NIB examples increasingly hard to find. Model: DH3-003 Range: 0-0.5 w. This is a true 3-in-1 instrument combining a digital display gauge, two SPDT control relay switches (SP1/SP2 with adjustable deadbands), and a scalable 4-20 mA process transmitter output - all in the classic Photohelic® round gauge housing. Ideal for pressure, velocity, and flow applications including HVAC filter monitoring, duct static pressure, damper control, and fan control.

Die-cast aluminum housing with backlit 4-digit LCD and front-panel programming via MENU, SP/AL, RST, and arrow keys. Power: 12-28 VDC or 12-28 VAC Output: 4-20 mA into 900 ohms max Accuracy: ±1% full scale Connections: DB-9 style connector on rear. Box has writing from inventory tracking.

Manuals and hardware included as shown.


Dwyer DH3-003 Digihelic Differential Pressure Controller 0-0.5 New Old Stock