Mass Flow Controllers from Dwyer Instruments, Inc.

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Dwyer Instruments, Inc.

Michigan City, IN

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Phone: 219-879-8000

Fax: 219-872-9057

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Series DH DigiHelic® Differential Pressure Controller
Ideal instrument for pressure, velocity and flow applications, achieving a 0.5% full scale accuracy on ranges from 0.25 in. w.c. to 100 in. w.c.

The DigiHelic® provides a 4-20 mA process output, 2 SPDT relays with adjustable dead bands, and selection of pressure, velocity or flow operation.

Series GFC - Gas Mass Flow Meter
Flow Range up to 1000 l/min, Pressures up to 500 psi, NIST Traceable

Series GFC Gas Mass Flow Controllers combine a straight tube sensor with a restrictor flow element to provide high accuracy and repeatability. Flow rates are virtually unaffected by temperature and pressure variations. Actual gas flow is displayed in engineering units on a 3-1/2 digit, 90° tiltable LCD readout. Units can be used with Series GFT Flow Totalizer for applications requiring totalization. Series GFC includes a NIST traceable certificate.

Gas mass flow controllers utilize an electromagnetic valve and PID electronics to maintain continuous control by comparing measured sensor signal set to flow rates. Setpoints can be adjusted with local potentiometers or remotely via 0 to 5 VDC or 4 to 20 mA analog signal.

Series DMF - Digital Mass Flow Controller
Programmable, RS485 Interface, up to 500 psig, ±1% Accuracy

Program, record, analyze, and control flow rates of various gases with Series DMF Digital Mass Flow Controller. Controllers are designed with straight tube sensors with restrictor flow elements to ensure laminar gas flow for accurate and repeatable results. Series DMF are unaffected by temperature and pressure variations.

Controllers can be programmed for various control functions including flow set point, totalizer, stop totalizer, totalize from preset flow, stop and preset total, auto zero, and more. Auto zero feature utilizes an automatic balancing circuit that virtually eliminates drift of zero and span. In addition, Series DMF controllers have two dry contact closures to operate pumps, valves, or other process equipment.

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