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DH-010 | Differential pressure controller | selectable engineering units: 100.0" w.c. | Dwyer Instruments

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Dwyer Instruments DH-010 Documents

Instruction Manual DH Quick Set-up Sheet Digihelic® Modbus® Register List Series DH Catalog Page More Info

Overview

Details for DH-010

0/100" Digihelic Diff # Ctrl [DH-010] by Dwyer Instruments Dwyer Instruments DH-010 Digihelic Differential Pressure Controller is a highly accurate and versatile instrument designed for precise measurement and control of differential pressure. Featuring a 0-100" water column (0-2500 Pa) measurement range, this controller offers exceptional precision and reliability. The DH-010 utilizes a piezoresistive silicon sensor for accurate and stable pressure readings. Its compact design and intuitive user interface make it easy to install and operate. With a bright digital display, the controller provides clear and concise readings of both measured pressure and control setpoints. The DH-010 offers a wide range of adjustable control functions, including proportional band (P), integral time (I), and derivative time (D). This allows for precise control of pressure levels and ensures stable operation even in demanding applications. Key Features: - 0-100" water column (0-2500 Pa) measurement range - High accuracy and reliability - Piezoresistive silicon sensor - Compact and user-friendly design - Bright digital display - Adjustable control functions (P, I, D) Applications: - HVAC systems - Clean rooms - Medical facilities - Industrial equipment - Laboratory environments Our HVAC supply store offers the best prices and fast shipping for your DH-010 controllers. Order now and experience the precision and control that Dwyer Instruments is known for!

Series DH Digihelic® Differential Pressure Controller

3 in 1 Instrument: Gage, Switch and Transmitter, Square Root Extractor for Air Flow

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. 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 application's 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.

NIST CALIBRATION available in Product Configurator.

Product Applications

SCFM duct flow
Industrial ovens air flow
Filter status
Clean room pressurization
Fume hood air flow
Surgical and medical room pressurization
Damper and fan control

3-in-1 instrument allows the reduction of several instruments with one product, saving inventory, installation time and money
Velocity of flow modes, a square root output coincides with the actual flow curve for greater precision
Power usage of 120/220 VAC or 24 VDC provides flexibility to incorporate device in control panel
Secure menu program provides access to device operation only for the right skill level
Modbus® communications supports Process and HVAC system integration and control

Specifications

Series: DH Digihelic® Differential Pressure Controller
Category/Type: Pressure
Type: Differential Pressure
Series: DH Digihelic® Differential Pressure Controller
Service: Air and non-combustible; 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 year.
Pressure Limits: Ranges ≤ 2.5 in w.c. = 2 psi; 5": 5 psi; 10": 5 psi; 25": 5 psi; 50":5 psi; 100": 9 psi.
Temperature Limits: 32 to 140°F (0 to 60°C).
Compensated Temperature Limits: 32 to 140°F (0 to 60°C).
Thermal Effects: 0.020%/°F (0.036/°C) from 77°F (25°C).
Power Requirements: High voltage power = 100 to 240 VAC; 50 to 400 Hz or 132to 240 VDC. Low voltage power = 24 VDC ±20%.
Power Consumption: Low voltage power = 24 VDC - 130 mA max;High voltage power = 100 to 240 VAC; 132 to 240 VDC - 7VA max.
Output Signal: 4-20 mA DC into 900 Ω max.
Zero & Span Adjustments: Accessible via menus.
Response Time: 250 ms.
Display: 4 digit LCD 0.4" height. LED indicators for set point and alarm status.
Electrical Connections: Screw terminals.
Process Connections: Compression fitting for use with 1/8" ID X 1/4" OD tubing(3.175 mm ID x 6.35 mm OD). Optional barbed fitting for 3/16" ID tubing.
Enclosure Rating: Face designed to meet NEMA 4X (IP66).
Mounting Orientation: Mount unit in horizontal plane.
Size: 1/8 DIN.
Panel Cutout: 1.772 x 3.620 in (45 x 92 mm).
Weight: 14.4 oz (408 g).
Serial Communications: Modbus® RTU; RS485; 9600 Baud.
Agency Approvals: CE; UL.
: SWITCH SPECIFICATIONS
Switch Type: 2 SPDT relays.
Electrical Rating: 8 amps at 240 VAC resistive.
Set Point Adjustment: Adjustable via keypad on face.