Single Pressure Transmitters are sensors with an electrical transmission output for remote indication of pressure. Ideal for OEMs, process applications, water processing, and industrial pressure applications.

Series 626 & 628 Industrial Pressure Transmitter

Complete Offering of Ranges, Connections and Outputs

The Series 626 Pressure Transmitters possess a highly precise 0.25% full scale accuracy piezo-resistive sensor contained in a compact, rugged, NEMA 4X (IP66) stainless steel general purpose housing or cast aluminum conduit housing.

The Series 628 Pressure Transmitters are ideal for OEMs with 1% full scale accuracy sensors. The corrosion resistant 316L stainless steel wetted parts allow the Series 626 and 628 transmitters to measure the pressure in a multitude of processes from hydraulic oils to chemicals. The Series 626 and 628 are available in absolute and pressure ranges with a variety of optional outputs, process connections and electrical terminations to allow you to select the right transmitter for your application.

Note: The standard conduit housing (-CH) has been phased out, see the conduit box housing (-CB) for the replacement model.

Product Applications

Compressors
Pumping Systems
Irrigation System Pressure
Industrial Process Monitoring
Hydraulic

Models & Ordering

Model	Description
626-07-CB-P1-E5-S1	Industrial pressure transmitter, conduit box housing, 1/4" male NPT, 1/2" female NPT conduit connection, 4-20 mA, range 0-15 psig
626-08-CB-P1-E5-S1	Industrial pressure transmitter, conduit box housing, 1/4" male NPT, 1/2" female NPT conduit connection, 4-20 mA, range 0-30 psig
626-09-CB-P1-E5-S1	Industrial pressure transmitter, conduit box housing, 1/4" male NPT, 1/2" female NPT conduit connection, 4-20 mA, range 0-50 psig
626-10-CB-P1-E1-S8	Industrial pressure transmitter, conduit box housing, 1/4" male NPT, 3' cable, 0-10V, range 0-100 psig
626-10-CB-P1-E5-S1	Industrial pressure transmitter, conduit box housing, 1/4" male NPT, 1/2" female NPT conduit connection, 4-20 mA, range 0-100 psig
626-11-CB-P1-E5-S1	Industrial pressure transmitter, conduit box housing, 1/4" male NPT, 1/2" female NPT conduit connection, 4-20 mA, range 0-150 psig
626-12-CB-P1-E5-S1	Industrial pressure transmitter, conduit box housing, 1/4" male NPT, 1/2" female NPT conduit connection, 4-20 mA, range 0-200 psig
626-13-CB-P1-E5-S1	Industrial pressure transmitter, conduit box housing, 1/4" male NPT, 1/2" female NPT conduit connection, 4-20 mA, range 0-300 psig
626-14-CB-P1-E5-S1	Industrial pressure transmitter, conduit box housing, 1/4" male NPT, 1/2" female NPT conduit connection, 4-20 mA, range 0-500 psig

Series 673 Pressure Transmitter

±0.25% FS Accuracy, 4-20 mA Signal, Ranges to 1000 psi

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. Use the Series 673 in industrial OEM equipment, hydraulic systems, HVAC equipment, industrial engines and compressor control.

Product Applications

OEM
Hydraulic systems
HVAC equipment
Industrial engines
Compressors

Models & Ordering

Model	Description
673-1	Pressure transmitter, range 0-1 psi.
673-10	Pressure transmitter, range 0-1000 psi.
673-13	Pressure transmitter, range -14.7 to 30 psig.
673-14	Pressure transmitter, range -14.7 to 100 psig.
673-2	Pressure transmitter, range 0-2 psi.
673-3	Pressure transmitter, range 0-5 psi.
673-4	Pressure transmitter, range 0-10 psi.
673-5	Pressure transmitter, range 0-25 psi.
673-6	Pressure transmitter, range 0-50 psi.
673-7	Pressure transmitter, range 0-100 psi.
673-8	Pressure transmitter, range 0-200 psi.
673-9	Pressure transmitter, range 0-500 psi.

Series 636 Fixed Range Pressure Transmitter

Stainless Steel, Explosion-proof, Accuracy ±0.30%, 4 to 20 mA or 1 to 5 VDC Signal

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. Transmitters are explosion-proof, (FM approved) and meet NACE standards for off-shore applications.

Product Applications

Off-shore
Process applications

Models & Ordering

Model	Description
636-0	Fixed range pressure transmitter, range 0-15 psi (0-1 bar).
636-1	Fixed range pressure transmitter, range 0-30 psi (0-2 bar).
636-2	Fixed range pressure transmitter, range 0-100 psi (0-7 bar).
636-3	Fixed range pressure transmitter, range 0-300 psi (0-20 bar).

Series 679 Weatherproof Pressure Transmitter

±0.25% FS Accuracy, Compatible with Corrosive Materials, 4-20 mA Output

The Series 679 Pressure Transmitter is compatible with a wide range of gases and liquids, and is specially designed for weatherproof service NEMA 4 (IP56). The Model 679 can measure pressures with an accuracy of ±.25%. This model provides a 4-20 mA output and is field adjustable.

Models & Ordering

Model	Description
679-0	Weatherproof pressure transmitter, range 0-25 psi, overpressure 100 psi.
679-1	Weatherproof pressure transmitter, range 0-50 psi, overpressure 150 psi.
679-2	Weatherproof pressure transmitter, range 0-100 psi, overpressure 300 psi.
679-3	Weatherproof pressure transmitter, range 0-250 psi, overpressure 500 psi.
679-4	Weatherproof pressure transmitter, range 0-500 psi, overpressure 1000 psi.
679-5	Weatherproof pressure transmitter, range 0-1000 psi, overpressure 2000 psi.
679-6	Weatherproof pressure transmitter, range 0-3000 psi, overpressure 4500 psi.
679-7	Weatherproof pressure transmitter, range 0-5000 psi, overpressure 7500 psi.
679-8	Weatherproof pressure transmitter, range 0-10000 psi, overpressure 12000 psi.

Series 681 Sanitary Pressure Transmitter

No Liquid Fill Diaphragm, Sanitary Clamp Fitting

The Series 681 Sanitary Pressure Transmitter is designed to meet 3A standards for applications in food, dairy, beverage and pharmaceutical processing, liquid level control, and sanitary pipelines. The unit is fully sealed to withstand high pressure wash-down in Clean-in-Place (CIP) and Sterilize-in-Place (SIP) installations. The Series 681 is designed with a unique, no liquid fill diaphragm and a Sanitary Clamp pressure fitting for easy installation with negligible clamping effect. A conduit fitting, shielded cable with vent tube and sealed screws for zero and span adjustment combine to make the Series 681 completely watertight.

Product Applications

Sanitary process applications
Food and beverage processing
Water processing
Dairy processing
Pharmaceutical processing

Models & Ordering

Model	Description
681-02	Sanitary pressure transmitter, range 0-1 psi, 60 psi overpressure, 2" sanitary clamp connection.
681-101	Sanitary pressure transmitter, range 0-300 psi, 1000 psi overpressure, 1-1/2" sanitary clamp connection.
681-12	Sanitary pressure transmitter, range 0-2 psi, 100 psi overpressure, 2" sanitary clamp connection.
681-22	Sanitary pressure transmitter, range 0-5 psi, 150 psi overpressure, 2" sanitary clamp connection.
681-32	Sanitary pressure transmitter, range 0-10 psi, 150 psi overpressure, 2" sanitary clamp connection.
681-42	Sanitary pressure transmitter, range 0-15 psi, 150 psi overpressure, 2" sanitary clamp connection.
681-52	Sanitary pressure transmitter, range 0-30 psi, 150 psi overpressure, 2" sanitary clamp connection.
681-62	Sanitary pressure transmitter, range 0-60 psi, 150 psi overpressure, 2" sanitary clamp connection.
681-72	Sanitary pressure transmitter, range 0-100 psi, 150 psi overpressure, 2" sanitary clamp connection.

Series 682 Industrial Pressure Transmitter

±0.13% F.S. Accuracy, External Adjustments, 4-20 mA Output

The Series 682 Industrial Pressure Transmitter is designed to withstand environmental effects such as shock, vibration, temperature, and EMI/RFI. The electronics and capacitive sensor are packaged in a welded stainless steel housing and meets NEMA 4 (IP65) protection ratings.

Product Applications

Off-road equipment
Hydraulic systems
Compressor control
Industrial engines
Industrial refrigeration

Models & Ordering

Model	Description
682-0	Industrial pressure transmitter, range 0-25 psi, 100 psi overpressure.
682-1	Industrial pressure transmitter, range 0-50 psi, 150 psi overpressure.
682-2	Industrial pressure transmitter, range 0-100 psi, 300 psi overpressure.
682-3	Industrial pressure transmitter, range 0-250 psi, 500 psi overpressure.
682-4	Industrial pressure transmitter, range 0-500 psi, 1000 psi overpressure.
682-5	Industrial pressure transmitter, range 0-1000 psi, 2000 psi overpressure.
682-6	Industrial pressure transmitter, range 0-3000 psi, 4500 psi overpressure.
682-7	Industrial pressure transmitter, range 0-5000 psi, 7500 psi overpressure.
682-8	Industrial pressure transmitter, range 0-10000 psi, 12500 psi overpressure.

Series IS626 Intrinsically Safe Pressure Transmitter

For Use In Hazardous Locations

The Dwyer Series IS626 Intrinsically Safe Pressure Transmitter can be used to accurately measure compatible gases and liquids compatible with its 316/316L Stainless Steel wetted parts. Series IS626 full scale accuracy is 0.25%. Designed for industrial environments with a NEMA 4X (IP66) housing, this transmitter resists most effects of shock and vibration. Models are available with a 3' cable or M-12 4 pin connection.

The IS626 is UL listed for use in Hazardous (Classified) Locations. The protection method is by Intrinsic Safety,"ia". It was investigated by UL under UL Standard 913 Sixth Edition and CSA Standard No. 157-92.

Models & Ordering

Model	Description
IS626-07-GH-P1-E1-S1	Intrinsically safe pressure transmitter, 15 psi pressure range, 4-20 mA output, 1/4" NPTM, general purpose housing.
IS626-08-GH-P1-E1-S1	Intrinsically safe pressure transmitter, 30 psi pressure range, 4-20 mA output, 1/4" NPTM, general purpose housing.
IS626-09-GH-P1-E1-S1	Intrinsically safe pressure transmitter, 50 psi pressure range, 4-20 mA output, 1/4" NPTM, general purpose housing.
IS626-10-GH-P1-E1-S1	Intrinsically safe pressure transmitter, 100 psi pressure range, 4-20 mA output, 1/4" NPTM, general purpose housing.
IS626-13-GH-P1-E1-S1	Intrinsically safe pressure transmitter, 300 psi pressure range, 4-20 mA output, 1/4" NPTM, general purpose housing.

Series FDT Flush Diaphragm Transmitter

Non-liquid Filled, ±0.5% F.S.O. Accuracy, SS Wetted Parts

The Series FDT Flush Diaphragm Transmitter is designed for highly cyclical conditions. Flush sensor feature prevents any potential inaccuracies due to build-up or blockage which is a typical problem found in most non-flush transmitter sensors.

Product Applications

OEM
Hydraulic systems
Process systems

Series 672 Low Pressure Transducer

Single Pressure Connection, Ranges Down to 10 in w.c.

The Series 672 Low Pressure Transducer is a perfect solution to any application where a very accurate low pressure transducer is necessary. Using variable capacitance technology, the Series 672 is designed to measure pressures as low as 10 in w.c. up to 400 in w.c., very low ranges for a single connection pressure transducer. The 672 also features a 0.25% F.S. accuracy. Use the Series 672 in liquid level, flood warning, waste water, clean room, and open channel flow applications.

Product Applications

Liquid level
Flood warning
Waste water
Clean room
Open flow applications

Models & Ordering

Model	Description
672-1-A	Low pressure transducer, 0-10" w.c., 4-20 mA output.
672-2-A	Low pressure transducer, 0-15" w.c., 4-20 mA output.
672-3-A	Low pressure transducer, 0-25" w.c., 4-20 mA output.
672-4-A	Low pressure transducer, 0-50" w.c., 4-20 mA output.
672-5-A	Low pressure transducer, 0-100" w.c., 4-20 mA output.
672-6-A	Low pressure transducer, 0-150" w.c., 4-20 mA output.
672-7-A	Low pressure transducer, 0-200" w.c., 4-20 mA output.
672-8-A	Low pressure transducer, 0-300" w.c., 4-20 mA output.
672-9-A	Low pressure transducer, 0-400" w.c., 4-20 mA output.

Series 628CR Pressure Transmitter

±1.0% FS Accuracy, NEMA 4X (IP66)

The Series 628CR Pressure Transmitter contains a low cost ceramic sensor housed in a compact, rugged, NEMA 4X (IP66) stainless steel body. Ideal for the budget conscious OEM's that require high levels of performance, reliability and stability at an unbeatable price. The 628CR housing is small and lightweight for optimum compatibility with OEM systems. The design allows for a variety of pressure ranges from 30 to 500 psi and optional electrical connections allowing you to select the right transmitter for your application.

Product Applications

Pump Monitoring
Compressors
Irrigation Equipment
HVAC
Pneumatic Systems

Models & Ordering

Model	Description
628CR-08-GH-P1-E1-S1	Ceramic transmitter, 30 psi, GH housing, 1/4" NPTM, 3' cable, 4-20 mA.
628CR-08-GH-P1-E4-S1	Ceramic transmitter, 30 psi, GH housing, 1/4" NPTM, DIN-C, 4-20 mA.
628CR-10-GH-P1-E1-S1	Ceramic transmitter, 100 psi, 1/4" NPTM, 3' cable, 4-20 mA.
628CR-10-GH-P1-E4-S1	Ceramic transmitter, 100 psi, 1/4" NPTM, DIN-C, 4-20 mA.
628CR-13-GH-P1-E1-S1	Ceramic transmitter, 300 psi, 1/4" NPTM, 3' cable, 4-20 mA.
628CR-13-GH-P1-E4-S1	Ceramic transmitter, 300 psi, 1/4" NPTM, DIN-C, 4-20 mA.
628CR-14-GH-P1-E1-S1	Ceramic transmitter, 500 psi, 1/4" NPTM, 3' cable, 4-20 mA.
628CR-14-GH-P1-E4-S1	Ceramic transmitter, 500 psi, 1/4" NPTM, DIN-C, 4-20 mA.

Series 3200G Explosion-proof Pressure Transmitter

HART® Communication, Push Button Configuration, Rangeability (100:1)

The Mercoid® Series 3200G Smart Pressure Transmitter is a microprocessor-based high performance transmitter, which has flexible pressure calibration, push button configuration, and programmable using HART® Communication. The Series 3200G is capable of being configured with the zero and span buttons, a field calibrator is not required for configuration. The transmitter software compensates for thermal effects, improving performance. EEPROM stores configuration settings and stores sensor correction coefficients in the event of shutdowns or power loss. The Series 3200G is FM approved for use in hazardous (Classified) locations. The 100:1 rangeability allows the smart transmitter to be configured to fit any application.

Product Applications

Water and wastewater
Chemical and petrochemical
Pulp and paper
Oil and gas
Food and beverage

Models & Ordering

Model	Description
3200G-1-FM-1-1-LCD	Smart pressure transmitter, range -14.5 to 21 psi with LCD display.
3200G-2-FM-1-1-LCD	Smart pressure transmitter, range -14.5 to 217 psi with LCD display.
3200G-3-FM-1-1-LCD	Smart pressure transmitter, range 0 to 725 psi with LCD display.
3200G-4-FM-1-1-LCD	Smart pressure transmitter, range 0 to 3600 psi with LCD display.
3200G-5-FM-1-1-LCD	Smart pressure transmitter, range 0 to 8500 psi with LCD display.

Series 644 High Accuracy Pressure Transmitter

±0.05% FS, <±0.25% FS Total Error Band

The Series 644 Industrial Pressure Transmitter is a robust transmitter designed for high accuracy pressure applications. Boasting an accuracy of ±0.05% FS RSS (<±0.25% TEB), the 644 is intended for precise measurements in the critical applications of calibration technology, hydraulic/pneumatic controls, and many more laboratory and industrial settings. The Series 644 offers multiple measurement options with two output choices (VDC or mA) and ten psig pressure ranges (optional 0 to 15 psia). The robust and compact all stainless steel Series 644 is available with either a 1/4" male NPT, or 7/16"-20 male SAE process connections. Each transmitter is provided with an 11 point NIST traceable calibration certificate.

Product Applications

Calibration equipment
Test benches
Pulp and paper mills
Hydraulic/pneumatic controls
Transportation
Power generation

Series DPT Digital Pressure Transmitter with Switches

Two Solid State Switches, LED Display

The Series DPT Digital Pressure Transmitter with Switches combines a large, 14-segment LED display with two programmable solid state switches into one compact unit. A unique, 3-way rotating design allows the DPT to meet specific installation requirements without any retrofitting. The display and electrical connection can be rotated independently to maximize visibility while still orienting the electrical connection in the best position for the cable connector. Large, ergonomically designed push buttons allow for quick/easy programming and thin-film piezoresistive sensor technology guarantees long-term reliability and stability.

Product Applications

Calibration
Hydraulics and pneumatics
Machine tools
Compressors and pumps
Machine building

Models & Ordering

Model	Description
DPT-A00	Digital pressure transmitter, range -14.5 to 0 psig, 4-20 mA output.
DPT-A01	Digital pressure transmitter, range 0 to 15 psig, 4-20 mA output.
DPT-A02	Digital pressure transmitter, range 0 to 25 psig, 4-20 mA output.
DPT-A03	Digital pressure transmitter, range 0 to 30 psig, 4-20 mA output.
DPT-A04	Digital pressure transmitter, range 0 to 50 psig, 4-20 mA output.
DPT-A05	Digital pressure transmitter, range 0 to 100 psig, 4-20 mA output.
DPT-A06	Digital pressure transmitter, range 0 to 160 psig, 4-20 mA output.
DPT-A07	Digital pressure transmitter, range 0 to 200 psig, 4-20 mA output.
DPT-A08	Digital pressure transmitter, range 0 to 300 psig, 4-20 mA output.
DPT-A09	Digital pressure transmitter, range 0 to 500 psig, 4-20 mA output.
DPT-A10	Digital pressure transmitter, range 0 to 1000 psig, 4-20 mA output.

Series HATX High Accuracy Pressure Transmitter

±0.05% FS Accuracy, 0.01% Repeatability FS, NIST Certificate Included

HATX Pressure Transmitter combines high accuracy with exceptional stability and reliability for environmental tests and measurements. All models come with NIST certificates and are available in barometric, absolute, and gage ranges. These transmitters are ideal for a variety of applications such as weather data systems, laser interferometers, altimeter setting indicators, and engine test cells. Series HATX transmitters consume a very low amount of power and possess an exceptionally fast warm-up and response time. With its excellent consistency and great performance, the HATX transmitter is well suited for the most demanding of applications.

Series TPT Industrial Pressure Transmitter

17-4PH SS Wetted Parts, Packard Electrical Connection

The Series TPT Pressure Transmitter is the ideal choice for all types of industrial pressure applications. Machined from a solid piece of 17-4PH SS, the TPT provides a leak proof, all metal system without O-rings, welds, or organics exposed to the pressure media. Its design allows for stable operation when subject to shock and vibration. Utilizing piezo-resistive technology with digital compensation and temperature correction, the TPT gives high accuracy and stability under harsh environmental conditions. Available in ratiometric and 4 to 20 mA outputs.

Product Applications

OEM
Hydraulic systems
HVAC equipment
Industrial engines
Compressors

Models & Ordering

Model	Description
TPT-C01	Industrial pressure transmitter, 0-100 psi, 4-20mA.
TPT-C02	Industrial pressure transmitter, 0-250 psi, 4-20mA.
TPT-C03	Industrial pressure transmitter, 0-500 psi, 4-20mA.
TPT-C04	Industrial pressure transmitter, 0-1000 psi, 4-20mA.
TPT-C05	Industrial pressure transmitter, 0-2500 psi, 4-20mA.
TPT-C06	Industrial pressure transmitter, 0-5000 psi, 4-20mA.
TPT-R01	Industrial pressure transmitter, 0-100 psi, ratiometric.
TPT-R02	Industrial pressure transmitter, 0-250 psi, ratiometric.
TPT-R03	Industrial pressure transmitter, 0-500 psi, ratiometric.
TPT-R04	Industrial pressure transmitter, 0-1000 psi, ratiometric.
TPT-R05	Industrial pressure transmitter, 0-2500 psi, ratiometric.
TPT-R06	Industrial pressure transmitter, 0-5000 psi, ratiometric.

Series IWP Industrial Weatherproof Pressure Transmitter

Exceptional Reliability for Harsh Environments

The Series IWP Pressure Transmitter provides an exceptional value solution to pressure measurement in industrial conditions requiring high-performance, stability and long service life. The precise operation under dirty and wet conditions, make the Series IWP an ideal choice for petroleum, chemical and metallurgical industry applications.

Product Applications

Harsh industrial environments
Process
Chemical
Petroleum
Metallurgical

Models & Ordering

Model	Description
IWP-00	Industrial weatherproof pressure transmitter, 30 psig
IWP-01	Industrial weatherproof pressure transmitter, 50 psig
IWP-02	Industrial weatherproof pressure transmitter, 100 psig
IWP-03	Industrial weatherproof pressure transmitter, 200 psig
IWP-04	Industrial weatherproof pressure transmitter, 300 psig
IWP-05	Industrial weatherproof pressure transmitter, 500 psig
IWP-10	Industrial weatherproof pressure transmitter, 30 psia

Series 3400 Smart Pressure Transmitter

HART® Communication, Push Button Configuration, Rangeability (Up to 100:1)

The Series 3400 Smart Pressure Transmitter is a microprocessor-based high performance transmitter, which has flexible pressure calibration, push button configuration, and is programmable using HART® Communication. The Series 3400 is capable of being configured with the zero and span buttons (a field calibrator is not required for configuration). The transmitter software compensates for thermal effects, improving performance. EEPROM stores configuration settings and stores sensor correction coefficients in the event of shutdowns or power loss. The Series 3400 can be configured to be ATEX or IECEX approved for use in hazardous (classified) locations. The rangeability allows the smart transmitter to be configured to fit most applications.

Product Applications

Water and wastewater
Chemical and petrochemical
Pulp and paper
Oil and gas
Food and beverage

Models & Ordering

Model	Description
3400-AL-10-NM-2	Smart pressure transmitter, range 0-15 psi
3400-AL-13-NM-2	Smart pressure transmitter, range 0-100 psi
3400-AL-20-NM-2	Smart pressure transmitter, range 0-2300 psi
3400-AL-23-NM-2	Smart pressure transmitter, range 0-4350 psi