Pressure Transmitters

The low cost Series 673 Pressure Transmitter is a fixed range transmitter designed for harsh environments and suitable for high shock and vibration applications. Constructed of stainless steel, the Series 673 provides a 4 to 20 mA output signal with 0.25% accuracy. ...more

Series 634ES Transmitters sense a single pressure for air, compatible gas or liquid and provide 4-20 mA output signal. Positive pressure can be measured within an accuracy of ±0.5% of span. The Series 634ES uses an isolated piezoresistive pressure sensor to produce a resistance change across a wheatstone bridge. ...more

The Series 605 Magnehelic Indicating Transmitter provides for both visual monitoring and electronic control of very low differential pressure. ...more

The Series 636 Pressure Transmitter is a low cost, fixed range, stainless steel transmitter with ±0.30% accuracy. It is designed to continuously measure pressure for years in even the toughest environmental and media conditions ...more

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. ...more

Monitor differential pressure in air/liquid flow systems, HVAC automation, pneumatic systems and process control with the Series 647 Wet/Wet Differential Pressure Transmitter. Units are temperature compensated and provide a 4 to 20 mA output signal which can be interfaced with chart recorders, data loggers and computerized monitoring and contr ...more

The Series 636D Differential Pressure Transmitter can be used for measuring pressures of liquids, gases & vapors. All available ranges have an excellent 0.5% F.S. accuracy with a 4-20 mA Output standard or optional 1-5 VDC output. ...more

The Series 620 Pressure Indicating Transmitter is a 1/16 DIN instrument for measuring, controlling and indicating positive, negative or differential pressures of air and compatible gases. Pressure measurements are displayed on an easy-to-read 3-1/2 digit display and converted to a standard 4 to 20 mA output signal ...more

Low cost, durable sanitary pressure transmitter is designed to meet 3A standards allowing use in food, dairy, beverage and pharmaceutical industries. This unit features superior ±0.25% accuracy and 5:1 turndown. Calibration is quick and easy with field accessible zero and span adjustments. ...more

The Series 642 Pressure Transmitter uses high end ASIC technology to compensate for both linearity and thermal errors, providing an output with an accuracy of 0.1% of F.S. The 642 is therefore well suited for applications where precision measurement and control is an absolute must ...more

Series 637 Pressure Transmitters are durable and compact with all welded 316 stainless steel construction and exceptional ±0.25% accuracy. Four ranges are offered up to 0-300 psig (0-20 bar). ...more

The Series 603A Differential Pressure Transmitters combine ultra low ranges, low cost, high accuracy and rugged construction - ideal for a wide range of HVAC and industrial applications. These transmitters provide a standard 4-20 mA analog output signal in ranges as low as 0.2" w.c. ...more

The Series 7116B Spirahelic Pressure Indicating Transmitter simultaneously provides local indication on a large, easily read 4-1/2" (114 mm) analog scale while also converting that pressure into a standard two, three, or four-wire, 4-20 mA signal. ...more

The Series 3000SGT Photohelic Switch/Gage/Transmitter combines several critical control functions into a single, easy-to-install package. This versatile instrument starts with the universally accepted standard for reliable low air pressure measurement, the Dwyer Magnehelic Gage. ...more

The Series MS Magnesense Differential Pressure Transmitter is an extremely versatile transmitter for monitoring pressure and air velocity. ...more

Positive, negative and differential pressures can be measured within a full span accuracy of ±0.25 with the Series 616W Differential Pressure Transmitter. Units are enclosed in a polycarbonate case, rated NEMA 4X (IP66) and operate by sensing the pressure of air and compatible gases then sending a standard 4-20 mA output signal. ...more

The Dwyer Series 608 Differential Pressure Transmitters convert positive, negative (vacuum), or differential pressures of clean, dry air or other non-conductive, non-corrosive gases into a standard two wire, 4-20 mA output signal ...more

The Series 604D Minihelic differential pressure Indicating Transmitter combines visual monitoring with electronic control of low differential air or compatible gas pressures. This versatile device is ideal for building HVAC systems where local indication is needed during maintenance checks or when troubleshooting the system ...more

Series 645 Wet/Wet Differential Pressure Transmitters are designed for use with compatible gases and liquids which can be applied to both the pressure and reference ports. Quick response capacitance sensor delivers a 4 to 20 mA output signal proportional to differential pressure with ±.25% accuracy. ...more

Series 607 Differential Pressure Transmitter combines very low ranges with exceptional stability, reliability and either ±0.25% or ±0.5% accuracy for the most demanding applications. Ranges from 0-0.1" to 0-25" w.c ...more

The 619 Series Pressure Indicating Transmitter simultaneously provides local indication on a large, easily read 3-1/2 digit liquid crystal display while also converting that pressure into a standard 2-wire, 4-20 mA signal for ranges from 0-15 to 0-500 psi. ...more

Series DSGT Digital Indicating Transmitter is a versatile multi-function process gage that features an excellent 0.25% full scale accuracy. ...more

Series 621 Pressure Indicator is a 1/8 DIN measuring and controlling instrument designed for positive, negative or differential pressures of air and compatible gases. Pressure readings are displayed on a large 3-1/2 digit LCD display which unit simultaneously produces a standard 4-20 mA output signal. ...more

Versatility is the key with our Series 666 Rangeable Differential Pressure Transmitter. Up to 6 field selectable pressure ranges are available in a single model. Four dipswitches located inside the transmitter case make calibration simple and easy. ABS plastic housing provides environmental protection per NEMA 4 (IP65). ...more

The Dwyer Series 628 Pressure Transmitters are ideal for OEMs with 1% full scale accuracy sensors. The transmitter is also available in the general purpose stainless steel housing and the cast aluminum conduit housing. ...more