DwyerOmega
Pressure, temperature, humidity, airflow, flow, level and gas detection instruments, matched to specific applications from data centres to refineries.
DwyerOmega brings together two long-established American instrument makers. Dwyer Instruments is known for differential pressure, airflow and HVAC measurement, including the Magnehelic® gauge. OMEGA Engineering is known for temperature sensors, process measurement and data acquisition. The group also includes FCI, SOR, Michell, Miljoco, Weiss and other specialist brands. Ronsor Engineering is an authorised DwyerOmega distributor, for the full range.
Our main DwyerOmega lines
- Magnehelic® differential pressure gauges: the Series 2000 Magnehelic, the high-accuracy 2000-HA, the compact Minihelic II and the Series 605 indicating transmitter.
- Pressure transmitters: 626/628 industrial transmitters; Mercoid 3100D, 3100MP and 3200G smart HART transmitters; Omega PX309 and PX409; PX509-IS, PX835 and PX880 for hazardous areas; the sanitary PX3005K; and Magnesense MSX, 616KX and 645 wet/wet differential pressure transmitters.
- Magmeters: the flanged FMG480 and FMG490, the IEF insertion magmeter for 4 to 36 in pipes and the FMG80A for low chemical flows.
- Pressure gauges: Miljoco, Weiss and Dwyer industrial and process gauges, such as the PGH, Miljoco P4520L, Miljoco P4098LY-SS, Weiss NF602 and Dwyer SGZ.
- Level and flow switches: F6/F7 vertical level switches, and the V4 and V6 Flotect flow switches.
- Flowmeters: RM Rate-Master variable area flowmeters and PFT paddlewheel flow sensors.
Also available
- Pressure and differential pressure gauges, including the Magnehelic®, plus pressure transmitters and pressure switches
- Humidity and dew point instruments, including Michell dew-point hygrometers and analysers
- Air velocity and airflow measurement, flow meters and flow switches
- Level switches and sight flow indicators
- Gas detection and oxygen analysers, liquid analysis (pH, ORP, conductivity, DO) and particle and air quality monitors
- Process controllers and panel meters, temperature transmitters, valves, regulators and positioners and automation components
Find the right model for your application
Start from the system you’re working on, for example a chiller plant, a cleanroom, rack-level cooling in a data centre or a lift station. Each application page shows every measuring point and the specific models suited to it. Not sure where to start? Try the Product Finder.
Built to order
DwyerOmega instruments are ordered from the factory to your specification: range, output, process connection, materials and approvals. Tell us the model number or the duty, and we’ll confirm the configuration and lead time.
Browse by application
Combustion, Furnaces & Boilers
Gas Processing & Chemicals
Process Vessels & Skids
Pumps, Tanks & Storage
Water & Effluent Treatment
Bulk Solids & Powders
Cleanrooms & HVAC
Cooling & Heating Water
Power, Safety & Control
All DwyerOmega models by product type
Air Velocity & Airflow Measurement

Dwyer Series 641 Air Velocity Transmitter
Measures Air Flow Velocity; Heated Mass Flow Sensor; 16 Field Selectable Ranges

Dwyer Series AVLV Air Velocity Transmitter
Measures Air Velocity or Volumetric Flow; Accuracy 1% or 2%; Voltage Outputs & Optional BACnet/Modbus Protocols

Dwyer Series AVUL Air Velocity or Volumetric Flow Transmitter
Measures Air Velocity; 3% or 5% Accuracy; Current & Voltage Outputs; Optional BACnet & Modbus Protocols
Automation & Control Components

Dwyer Series-VBS Compact Vibration Switch for RMS Monitoring, Adjustable Set Point & Delay
Compact vibration switch; adjustable RMS velocity & delay; 4‑20 mA output

Omega Series AS-667 B&K Vibro Low Frequency Accelerometer
General Purpose Measurements on Rotating Machinery; 4-20 mA Loop Powered; IP66/IP67; 316 SS; M12 4 Pin Male

Omega Series VBT-1 Vibration Transmitter with 4-20 mA output
Vibration Transmitter; 10 to 1000 Hz; 4-20 mA Loop Powered; IP68 (NEMA 6); 316 SS; M12 4 Pin Female

Omega Series VT-110 Compact Vibration Velocity Transmitter
Monitor Vibration in Harsh Industrial Environments; 4- 20 mA Loop Powered; IP67; M12 Female Connector
Flow Meters

Dwyer FMG480 Series Magmeter with Integrated Display, Pulse & 4 to 20 mA Output
FMG480 flanged electromagnetic flowmeter for water and conductive liquids, 3 to 12 in: ±0.75% of reading, integrated display,...

Dwyer FMG490 Series Magmeter w/Remote Display and Pulse & Optional 4 to 20 mA Output
FMG490 flanged electromagnetic flowmeter, 3 to 12 in, with a remote display for meters in pits or awkward spots: ±0.75% of...

Dwyer Series IEF Insertion Electromagnetic Flow Transmitter
Dwyer Series IEF insertion magmeter for 4 to 36 in pipes: 0–6 m/s, ±0.5% of reading at the calibrated velocity, analog, pulse and...

Dwyer Series RM Precision Flowmeters: 2", 5", 10" Scales, NIST Calibration available
Dwyer RM Rate-Master polycarbonate flowmeters for gases and liquids: direct-reading 2, 5 or 10 in scales, ±2% to ±4% full scale,...

Dwyer Series-PFT Paddlewheel Flowmeters for Liquid Monitoring, Brass/316 SS, 4-20 mA Output
Dwyer PFT paddlewheel flow sensor for water-based liquids in 1-1/2 to 40 in pipes: one adjustable insertion sensor, pulse or 4-20...

Omega Series FMG80A Low Flow Magmeter
Omega FMG80A low-flow magmeter, 1/4 to 3/4 in, all-plastic PVDF body for chemical injection and pulsating metering pumps: ±1% of...

Dwyer CP-CN-CT-CX Coolpoint Vortex Meter; Water & Glycol
4-20mA, Solid State Relay Output; 316L SS & Brass Body; PEEK Sensor; FKM Seal

Dwyer IEFB Insertion Thermal Energy Meter; Adj. 4"-36" Pipes
Current-Voltage-Pulse Outputs, Alarms; Optional BACnet & Modbus; 10', 20', 50' Sensor Leads

Dwyer Series LFM Flowmeters for GPM & LPM – 3 to 11 in – For Chill & RO Water Systems
Polycarbonate flowmeter with dual, direct reading scales measuring in both GPM and LPM, different scale lengths are available

Dwyer Series MM Custom Mini-Master® Flowmeters for Gas/Liquid, High Chemical Resistance
Series MMA is a 2" (51 mm) scale flowmeter, optional metering valve, high chemical resistance, can be easily disassembled for...

Dwyer Series VF Acrylic Flowmeters for Gas/Liquid, 2" & 4" Scales, NIST Options
Direct reading, precision machined, clear acrylic body flowmeters suitable for both gas and liquid applications

Omega Series AM-2250TX Multi-Variable pH, ORP, Conductivity & Flow Loop Powered Transmitter
Multi Variable Controller (pH, ORP, Contacting Conductivity, Flow); Two 4-20 mA Outputs; 3 Dry Contact Relay Outputs; NEMA 4X...

Omega Series FTB Turbine Flow Meter
Hard-alloy thrust bearing for accuracy and wear resistance; rugged, easy install; low minimum flow; low pressure loss; high...
Flow Switches

Dwyer Series V6 Flotect Mini size Flow Switch for 1/2" to 2" Pipes
Dwyer V6 Flotect compact vane flow switch for liquids, gases and air in 1/2 to 2 in pipes: weatherproof and explosion-proof, up to...

Dwyer Series-V4 Flotect Flow Switches: Weatherproof, Explosion-Proof, Low Flow Protection
Dwyer V4 Flotect vane flow switch for pipes 1-1/2 in and up: weatherproof and explosion-proof, up to 5000 psig, for loss-of-flow...

Dwyer Series FS2 Vane Flow Switch for Boilers & Heaters, Adjustable 1-8 in Pipes
Vane Flow Switch for Boilers/Heaters; Reliable Low‑Flow Trip

Dwyer Series TDFS2 Thermal Dispersion Flow Switch (Non-Mechanical, Low Pressure Drop, Large Pipes)
Measure Flow Above or Below User Set Flow Rate; Normally-Open & Normally-Closed NPN Outputs; LED Indication
Gas Detection & Oxygen Analysers

AII GPR-7100 Hydrogen Sulphide (H2S) Analyzer
4-20 mA analog output; Hazardous Area certified

AII GPR-7500 (A)IS Hydrogen Sulphide (H2S) Analyzer
certified for use in flammable gas streams; 4-20 mA output, 0-2000 ppmV

AII Ultra Trace (ppb) Oxygen Analyzer - AII (Analytical Industries Inc) PI2-MS
Provides Accurate, Stable, and Dependable Oxygen Readings at Both ppb and Low ppm Levels

Dwyer Series CMS300 Carbon Monoxide Transmitter & Switch (0 to 300 PPM)
Selectable Current or Voltage Output; Jumper Selectable SPDT Relay Contact

Dwyer Series CMT200 Carbon Monoxide Transmitter (0 to 200 PPM)
Selectable Current or Voltage Output, Electrochemical Sensor

Dwyer Series GSTA/GSTC Carbon Monoxide & Nitrogen Dioxide Gas Transmitters
Electrochemical Sensor; Universal Current & Voltage Outputs; Optional Modbus & BACnet Communications & Display

Dwyer Series GSTA/GSTC-D Carbon Monoxide & Nitrogen Dioxide Duct Mounted Gas Transmitter
Electrochemical Sensor; Universal Current & Voltage Outputs; Optional Modbus & BACnet Communications & Display

Dynament FGD10A Flameproof Fixed Gas Detectors
Ex d gas detector with 3 alarm relays; non-intrusive mag-pen menu; detects hydrocarbons, hydrogen, or toxic gases.

Dynament FGD10B Flameproof Fixed Gas Detectors
Ex d gas detector in IP65 aluminium / SS housing; accepts plug-in handheld configurator; detects hydrocarbons, hydrogen, or toxic...

Dynament Platinum Series - Hydrocarbon Infrared Gas Sensors
Platinum IR Hydrocarbon Sensor; Measures CH₄ from 0‑100%v

Dynament Standard Series - Hydrocarbon Infrared Sensors
Standard IR Hydrocarbon Sensor; 4-20mA output, Measures CH₄ from 0‑100%v
Humidity & Dew Point Instruments

Dwyer CDTR Carbon Dioxide, Humidity, Temp Transmitter
Wall/duct mounted; 0-2000/5000 PPM; Optional LCD & relay output

Dwyer CDTR CO2, Humidity, Temp Transmitter or Sensor
North American/European Enclosure; Wall/Duct Mount; Optional LCD & Relay

Dwyer CDTR CO2, Humidity, Temp Transmitter/Sensor
Wall/duct mounted; 0-2000/5000 PPM; Optional LCD & relay output

Dwyer RHP-E/N Wall Mount Humidity, Temp, Dew Point Transmitter
Outputs: 4-20mA, VDC, RTD, Thermistor; RH Accuracy: +/- 2%, 3%, or 5%; Optional LCD

Dwyer Series RHP-E/N Wall Mount RH/Temperature/Dew Point Transmitter
Wall Mount RH/Temperature/Dew Point Transmitter with Analog Current/Voltage RH & Dew Point Outputs; Active/Passive Temperature...

Dwyer Series RHPLC Wall Mount Humidity & Temperature Transmitter (No Display)
Analog Humidity & Temperature, Optional Thermistor, RTD or 3% NIST Certificate

Dwyer Series RHPX Humidity & Temperature Transmitter with Solar Radiation Shield
RH & Temperature Combo (Optional Absolute RH/Dew Point/Enthalpy); mA/VDC Output Signals; 2% & 3% Accuracy; Solar Radiation Shield

Dwyer Series RHPX Humidity and Temperature Transmitter
Measures RH/Absolute RH/Dew Point; 2% & 3% Accuracies; Passive Temperature Sensors; Indoor/Outdoor Enclosures

Dwyer Series RHPX Outdoor Humidity & Temperature Transmitter
RH & Temperature Combo (Optional Absolute RH/Dew Point/Enthalpy); mA/VDC Output Signals; 2% & 3% Accuracy; Outdoor Enclosure

Explosion Proof Moisture Transmitter - Easidew PRO XP
Explosion-Proof Moisture Transmitter; -110 to 20°Cdp; ±1°Cdp Accuracy; 2-Wire 4-20 mA; Rated to 450 bar

Michell CDP301 - Portable Dew-Point Tester
Self-contained rechargeable battery; ±0.5 ˚C (±0.9 °F) accuracy measurement

Michell Condumax II - Hydrocarbon Dew-Point Analyzer
0.5°C (0.9°F) hydrocarbon dew-point accuracy; for natural gas processing

Michell Easidew EA2 - Dew-Point Transmitter
Dew point or ppmV moisture content output; Accuracy ±2 °Cdp (±3.6°Fdp)

Michell High-Precision Chilled Mirror Hygrometer Michell S8000 RS
Offering Low-Drift Readings of Dew Point

Michell Intrinsically Safe Dew-Point Transmitter - Easidew I.S.
Intrinsically Safe Dew-Point Transmitter; -110 to 20°Cdp; ±2°Cdp Accuracy; 2-Wire Loop Powered; 316 SS Sensor

Michell Intrinsically Safe Field Display
Intrinsically Safe Field Display\t4-Digit 4-20 mA Loop-Powered Display; Optional Backlight & Dual Alarms; ATEX, IECEx, UKCA & FM;...

Michell QMA601 - Process Moisture Analyzer
Explosion proof; range of 0.1-2000 ppmv, Sensitivity 0.01 ppmv

Michell Self-Calibrating Trace Moisture Analyzer - Michell QMA401
Low Maintenance Quartz Microbalance Technology

Michell Ultra-Pure Moisture Hygrometers Michell Pura
Hygrometers For Trace Moisture in Pure Gases

Transmitter for Moisture Analysis - Michell Easidew PRO I.S.
Intrinsically Safe Moisture Transmitter; -110 to 20°Cdp; ±1°Cdp Accuracy; 2-Wire 4-20 mA; Rated to 525 barg
Level Switches

Dwyer Series F6-F7 Vertical Level Switches for Water, Oil & Chemicals
Dwyer F6/F7 vertical float level switches for water, oils and chemicals: hermetically sealed reed switch, many float materials, up...

Dwyer F6/F7 Horizontal Mount Level Switch, Multi-Material
Open/Closed circuits; Water, oils & chemicals compatible; Through wall mounting

Dwyer LV600-Series Pump Up/Pump Down Level Control Float Switches (UL & CSA Approved)
1.5-100 ft CableLength; IP68 Enclosure; SPDT Contact; Rated to 75 PSI @ 21C (70F)

Dwyer Series L10 Mini Brass & Stainless Steel Float Switches for Liquid Control
Magnetic Reed Switch; Side Mount; N/O or N/C Selectable Contact; Optional Float/Body Materials; IP66 (NEMA 4X)

Dwyer Series L8 Flotec Liquid Level Float Switches
General Purpose applications; Horizontal Mount; Excellent Chemical Resistance; SPDT Snap Switch; Optional Weatherproof Enclosure

Dwyer Series-CFS2 Liquid Level Control Float Switch & Pump Control (CE, UL/CSA Approved)
10-70 ft Cable Length; IP68 Enclosure, SPDT or SPST N/O or N/C Contact, Rated to 14.5 PSI (1 Bar)

Dwyer Series-FSW2 Cable Float Level Switch
10-100 ft cable length; IP68 enclosure; SPDT or SPST N/O or N/C contact; rated to 29 PSI

Dwyer Series-L4 Magnetic Float Switch for Tank Level Control – No Moving Parts
Magnetic float switch; leak‑proof body; SPDT; detects tank high/low level

Dwyer Series-L6 Compact Flotect® Level Switch – Magnetic Actuation for Liquid Control
Compact liquid level switch; SPDT; installs in-wall; up to 2000 psig

Omega Series LVN10-20 Vertical Mounted Liquid Level Switch
Liquid Level Switch; Reversible Switch Action; Reed Switch; IP68 (NEMA 6) Rating; Brass Stem; BUNA-N Float Material

Omega Series LVN90 Side Mount Liquid Level Switches
Sealed SPST Switch; Side Mount; N/O or N/C Selectable Contact; Optional Float/Stem Materials; IP68 (NEMA 6)

Omega Series LVSW-701 Single Point Ultrasonic Liquid Level Switch
Single Point Ultrasonic Level Switch; 316 Stainless Steel; Mounts in any Direction; SPDT Selectable contact; 1A switch Rating

Omega Series LVSW-710/720 Compact Ultrasonic Point Level Switch
Solid State Liquid Level Switch; Small Size; N/O SPST Relay, 1A Switch Rating; 316L SS Wetted Materials

Omega Series LVU150 Submersible Ultrasonic Level Switch
Submersible Ultrasonic Level Switch; Selectable SPST N/O or N/C Relay; 1A Contact Rating; IP68 (NEMA 6)

Omega Series LVV110 Vertical Buoyancy Level Switch Sensors
Filling Baffle with Self Flushing Design; Sealed SPDT N/O or N/C Selectable Contact; Eliminates Surface Chatter; IP68 (NEMA 6)
Liquid Analysis (pH, ORP, Conductivity, DO)

Dwyer DOTX45-Series 2-Wire Isolated Dissolved Oxygen Transmitter
2‑Wire Isolated DO Transmitter; 4‑20 mA, Temp Compensation

Dwyer PHCN-961-Series Panel and Wall Mount pH Controllers
Panel/Wall‑Mount pH Controller; Dual Relay, Large LCD

Omega CDE-45P 2-Wire Isolated Conductivity Transmitter System
PEEK Sensor Body Construction; Electrode Coating Rejection Diagnostic; Universal Mounting Configurations; Accuracy Detail 0.3% of...

Omega PHE-5460 Flat Surface In-Line pH/ORP Electrodes
For 3/4", 1", or 2" pipe tees; Acryl Gel standard for high temperature; Flat surface; CPVC ORP; Fittings required

Omega Series CDTX45 2-Wire Isolated Conductivity Transmitter System
Isolated Conductivity Transmitter System; 2-Wire 4-20 mA Output; 4 Titanium Electrodes; High Chemical Resistance; NEMA 4X...

Omega Series PHTX-100 Loop Powered Indicating pH/ORP Meter & Transmitter
Isolated pH/ORP/Temperature Meter & Transmitter System; Two-Wire 4-20 mA Output; IP65 (NEMA 4X); Wall & Panel Mounted

Omega Series PHTX45 2-Wire Isolated pH/ORP Transmitter System
Isolated pH/ORP Transmitter System; Two-Wire 4-20 mA Output; IP65 (NEMA 4X); Universal Mounting Configurations
Particle Analysers & Air Quality Monitors

Dwyer CDTV CO2 & VOC Transmitter (Simultaneously Monitored)
Duct/Wall Mount; Optional LCD Display & Relay; Optional RTD/Thermistor Temp Output

Dwyer Series CDSN Wall Mounted Carbon Dioxide Transmitter
Includes ABC Logic; Barometric Pressure Adjustment; Selectable Current or Voltage Output

Dwyer Series CDT Carbon Dioxide/Temperature Transmitter (DSA School Compliant)
Wall Mounted; Current, Voltage & Relay Outputs (CO2) & Active or Passive Temperature Outputs

Dwyer Series CDTA Communicating Carbon Dioxide Detector (Wall Mount with Optional LCD)
Monitors CO2, RH, Temperature, Temperature Set Point & Override; BACnet MS/TP & Modbus RTU Communication Protocols

Dwyer Series CDTC CO2 Sensor with Optional LCD Display
Wall Mount CO2, Temp, Temp Set Point & Override; BACnet MS/TP & Modbus RTU Protocols

Dynament Dual-Gas Methane/Carbon Dioxide Infrared sensors
Dual‑Gas IR Sensor; Measures CH₄ + CO₂ Simultaneously

Dynament Low Power Dual-Gas Methane/Carbon Dioxide Infrared sensors
Low‑Power Dual‑Gas IR Sensor; Battery Friendly, CH₄/CO₂
Pressure & Differential Pressure Gauges

Dwyer 2000-HA High Accuracy Magnehelic Differential Gauge
Dwyer Magnehelic 2000-HA high-accuracy differential pressure gauge: ±1% full-scale accuracy for air and non-corrosive gases, for...

Dwyer Series 2-5000 Minihelic II Differential Pressure Gage (2 19/32" (65.88 mm) Diameter)
Dwyer Minihelic II compact differential pressure gauge (65.88 mm dial) for air and compatible gases, ±5% full scale, up to 30 psig...

Dwyer Series 2000 Magnehelic Differential Pressure Gages (4 1/2" / 114.3 mm Diameter)
Dwyer Magnehelic 2000 differential pressure gauge for air and non-corrosive gases: ±2% full-scale accuracy, IP67, no power needed;...

Dwyer Series SGZ 2.5" Pressure Gage (0-160 psi, 316 SS, 1/4" NPT)
Dwyer SGZ 2.5 in industrial pressure gauge, 316 SS wetted parts and 304 SS case: dual psi/bar scale, ±1.5% full scale, glycerin...

Miljoco P2598L 2.5" SS Glycerin-Filled Pressure Gauge
Miljoco PLF2598L 2.5 in glycerine-filled pressure gauge with stainless case and brass internals, for pumps, compressors and...

Miljoco P4098LY-SS Industrial Gauge
Miljoco P4098LY-SS 4 in industrial pressure gauge with 316 SS wetted parts and stainless case: ±1% (Grade 1A), dry or...

Miljoco P4520L Process Gauge
Miljoco P4520L 4.5 in process gauge with solid-front polypropylene case and stainless wetted parts: ±0.5% (Grade 2A), dry or...

Miljoco P6098LY-SS Industrial Gauge
Miljoco P6098LY-SS 6 in industrial pressure gauge with 316 SS wetted parts: ±1% (Grade 1A), dry or glycerine/silicone filled, easy...

Miljoco Series P4598L 4.5" Contractor's Bourdon Tube Pressure Gauge (Lead-Free Wetted Parts)
Miljoco P4598L 4.5 in contractor's pressure gauge with stainless case and lead-free brass socket: ±1% (Grade 1A), NSF/ANSI 61 and...
Miljoco Series PSF4098LY 4.5" Stainless Steel Silicone Filled Industrial Pressure Gauge
Miljoco PSF4098LY-SS 4 in silicone-filled industrial pressure gauge, 316 SS wetted parts: ±1% (Grade 1A), for vibrating machinery...

PGH Industrial Pressure Gauges with Temperature Compensation
PGH heavy-duty industrial process gauge, 4.5 in: ±0.5% full scale, 316 SS Bourdon tube and connection, temperature compensated,...

Series-UGY Process Pressure Gauges
Series UGY 4.5 in liquid-filled process pressure gauge: ±0.5% accuracy, resists vibration, pulsation and shock, ranges to 20,000...

Weiss LF251 2.5" Liquid SS Gauge; +/-2% Accuracy; PSI/kPa
Weiss LF251 2.5 in liquid-filled gauge with stainless case: psi/kPa dial, vacuum, compound and pressure ranges, panel or direct...

Weiss LF442Z Liquid Filled Pressure Gauge, Zytel Nylon Case
Weiss LF442Z 4 in liquid-filled pressure gauge in a Zytel nylon case with 316 SS internals: ±1% (Grade 1A), vacuum to 10,000 psi.

Weiss NF402 Series 4" Industrial Gauge with 304 SS Stainless Steel Case
Weiss NF402 4 in dry (non-filled) industrial pressure gauge with 304 SS case and 316 SS internals: ±1% accuracy, ranges to 10,000...

Weiss NF602 Dry Pressure Gauge, Stainless Steel Case
Weiss NF602 6 in dry pressure gauge with 304 SS case and 316 SS internals: ±0.5% (Grade 2A), vacuum to 15,000 psi, tempered glass...

Weiss Series 4CTS/4CTA Stainless Steel Stem or Surface Mounted HVAC Pressure Gauges
Weiss 4CTS (stem) and 4CTA (surface) 4 in HVAC pressure gauges: ±1% (Grade 1A), dual psi/kPa scale, 0–15 to 0–300 psi, vacuum and...

Dwyer DM-1000 Digital Differential Pressure & Flow Gages
Monitor Pressure or Air Flow; Air & Compatible Gases; Accuracy +/- 1% or 2% (Range Dependent); Supply: 9V Battery or 9-24 VDC

Dwyer Series DH Digihelic 3-in-1 Differential Pressure Controller
Digital Display Gage, Control Relay Switches & Transmitter Current/Voltage Outputs, LCD Display, 1/8 DIN Panel Mount

Dwyer Series DHC Digihelic 3-in-1 Differential Pressure Controller
Digital Display Gage, Control Relay Switches & Transmitter Current/Voltage Outputs

Dwyer Series EDA Electronic Pressure Control, Weatherproof, Adjustable SPDT, LED, Backlit Display
Weatherproof Electronic Pressure Controller; Adjustable SPDT & LED Display

Miljoco Series 1300 Coil syphons for use with Gauges and Steam Lines
Steam Syphons; Welded Steel or Seamless Brass; 1/4" or 1/2" NPT Male Threads; Temperature and Pressure Ratings Model Dependent
Pressure Switches

Dwyer 1950G Explosion-Proof Differential Pressure Switch
One SPDT Relay; 1/8" FNPT; Weather Proof; Dry Gases

Dwyer Series 1831 DPDT Low Differential Pressure Switch
DPDT Switch & Manual Reset; Use in High Duct Static Cutout Installations

Dwyer Series 1900 Compact Low Differential Pressure Switch (SPDT Contact)
Monitors Air/Non-Combustible Gases; Set Point 0.07" to 20"wc (1.8 to 508 mm); +/- 3% Repeatability

Dwyer Series 1950 Explosion-Proof Differential Pressure Switch
SPDT 1C Relay; 1/8" NPT; Air/Non-Corrosive Dry Gases

Dwyer Series 3000MR/MRS Photohelic Switch/Gage
Combines Differential Pressure Gage with Low & High Set Points; NIST Cal Available

Dwyer Series ADPS (HVAC) / EDPS (Plenum Rated) Differential Pressure Switches (SPDT Contact)
Monitors Air & Non-Combustible Gases; Set Points 0.08" to 20"wc; +/- 3% Repeatability

Dwyer Series DX Wet to Wet Differential Pressure Switch; Use in most Gas/Water Based Solutions
SPDT Snap Switch; Contact Rating 5A @ 125/250 VAC, 5A Resistive @ 30 VDC; NEMAA 4X (IP65) Rated

Dwyer Series EDPS Adjustable Differential Pressure Switch
Easy pressure adjustment with gauge; Low cost for BAS/HVAC duct control; Relay contact for DDC integration; Filter monitoring,...

Dwyer Series-A1F OEM Weatherproof Pressure Switch, 316 SS, 15 A for Pumps & Motors
Weatherproof Pressure Switch; 316 SS, 15 A Contacts

Dwyer Series-A6 Durable Pressure Switches – Polyimide Diaphragm – 1/4 in NPT Male
Durable Pressure Switch; Polyimide Diaphragm, ¼" NPT

Dwyer Series-CXA Water Pump Pressure Switch, Easy Set Point, 1/4 in NPT, for Wells
Water Pump Pressure Switch; Tool‑Free Setpoint, ¼" NPT

Dwyer Series-DA Bourdon Tube Pressure Switches with External Adjustments for HVAC & Pumps
Bourdon Tube Pressure Switch; Field‑Adjustable for HVAC & Pumps
Pressure Transmitters

Dwyer 626/628 SS316L Industrial Pressure Transmitters
Dwyer 626/628 industrial pressure transmitters with 316L stainless wetted parts: 626 ±0.25% or 628 ±1% full scale, 4-20 mA or...

Dwyer Series 3100MP Smart Pressure Transmitter for Flow & Level
Dwyer (Mercoid) 3100MP smart differential pressure transmitter for flow and level: ±0.075% accuracy, 100:1 rangeability, HART,...

Dwyer Series 605 Magnehelic® Differential Pressure Indicating Transmitter
Dwyer Series 605 Magnehelic indicating transmitter: a Magnehelic dial plus a 2-wire 4-20 mA output, for low differential pressure...

Dwyer Series 616KX Low Differential Pressure Transmitter (Small Size; Din Rail Mount)
Dwyer Series 616KX compact low differential pressure transmitter: 0–0.1 to 0–40 in w.c., ±0.25% to ±2% accuracy, DIN rail or wall...

Dwyer Series 645 Wet/Wet Differential Pressure Transmitters, ± 0.25% Accuracy, 4-20 mA
Dwyer Series 645 wet/wet differential pressure transmitter for liquids and gases: ±0.25% accuracy, 0–1 to 0–100 psid, 4-20 mA,...

Dwyer Series DM DigiMag® Differential Pressure Transmitter
Dwyer Series DM DigiMag differential pressure transmitter for air: fits a Magnehelic cut-out, 4-20 mA, ±1% accuracy, push-button...

Dwyer Series DM-2000 Differential Pressure Transmitter (Optional Digit Display)
Dwyer Series DM-2000 differential pressure transmitter for air: fits a Magnehelic cut-out, 4-20 mA, ±1% accuracy, optional...

Dwyer Series IDPT Industrial Low Differential Pressure Transmitter
Dwyer Series IDPT industrial low differential pressure transmitter: 0–0.25 to 0–10 in w.c., ±0.5% or ±0.25% accuracy, 4-20 mA or...

Dwyer Series MSX Magnesense Differential Pressure Transmitter (Round)
Dwyer Series MSX Magnesense differential pressure transmitter: 32 field-selectable ranges, ±1% FSO, current or voltage output,...

Dwyer Series MSX Pro Magnesense Differential Pressure Transmitter (Rectangular)
Dwyer Series MSX Pro Magnesense differential pressure transmitter: ±0.5% FSO, 32 field-selectable ranges, current or voltage...

Dwyer Series-3100D Smart Differential Pressure Transmitter, HART®, Hazardous Area
Dwyer (Mercoid) 3100D explosion-proof smart differential pressure transmitter: ±0.075% accuracy, 100:1 turndown, HART, for flow,...

Dwyer Series-3200G Explosion-Proof Pressure Transmitter, HART®, FM Approved, 100:1 Range
Dwyer (Mercoid) 3200G explosion-proof smart gauge pressure transmitter: ±0.075% accuracy, 100:1 turndown, HART, ranges to 8500...

Omega PX3005K Sanitary, Rangeable, Pressure Transmitters with Display
Omega PX3005K sanitary pressure transmitter to 3-A standards: flush diaphragm, Tri-Clamp, ±0.2% span, 4-20 mA, IP67 316 SS...

Omega PX509-IS High Accuracy, Intrinsically Safe Pressure Transmitters
Omega PX509-IS intrinsically safe pressure transmitter: ±0.08% accuracy, 4-20 mA, FM approved for Class I-III Div 1 and Zone 0,...

Omega PX880 Industrial, Intrinsically Safe Pressure Transmitters
Omega PX880 industrial pressure transmitter in welded 316 SS: ±0.2% accuracy, 4-20 mA, 5:1 turndown, FM and CSA intrinsically safe...

Omega Series PX309 General Purpose Stainless Steel Pressure Transducers
Omega PX309 all-stainless pressure transducers: 0–1 to 0–10,000 psi, gauge, absolute, compound or vacuum, ±0.25% accuracy, mV,...

Omega Series PX409 Configurable, High Accuracy Pressure Transducers for Air, Gases & Fluids
Omega PX409 high-accuracy differential pressure transducers, wet/dry and wet/wet: ±0.08% or ±0.05% BSL, mV, voltage or 4-20 mA...

Omega Series PX409 High Accuracy Pressure Transducers
Omega PX409 high-accuracy pressure transducers: ±0.08% BSL, 10 in H₂O to 5000 psi, mV, voltage or 4-20 mA output, 5-point NIST...

Omega Series PX835 Intrinsically Safe Pressure Transmitters with ATEX Rating
Omega PX835 pressure transmitter for hazardous areas: explosion-proof, ATEX flameproof and intrinsically safe, vacuum to 10,000...
Process Controllers & Panel Meters

Dwyer 40T2 Digital Temp Controller, 999°F/537°C, Modbus
Digital temp controller; RTD, TC, thermistor, current, voltage inputs; 3-digit LED; Modbus; Alarm; IP65

Dwyer CNPT Platinum Series Temperature, Process and Strain Controllers
High Accuracy Inputs; LED Display; USB 2.0 Host Communications; Optional Serial & Ethernet

Dwyer Series 16B 1/16 Din Temperature/Process Controller (Two Outputs for Dual Loop Control)
Dual Control Output, RS-485 Communication, Universal Inputs

Dwyer Series 16G, 8G, 4G Temperature/Process Loop Controllers
Universal Input, Dual Output, On/Off PID or Fuzzy Logic Output Control

Dwyer Series 4B 1/4 Din Temperature/Process Controller (Dual Control Output)
Dual LED Displays; Two Alarms; RS-485 Modbus ASCII/RTU Communication Protocol

Dwyer Series CNI 1/8" DIN Dual Display, Temperature, Process & Strain PID Controllers
Single Loop; High Accuracy; RS232/RS422/RS485 ASCII & Modbus Selectable Communication Protocols

Dwyer Series-DPC Duplex Pump Controller for Auto Sequencing & Longevity, LED Indicators
Dual‑Loop PID Process Controller; 4‑Relay, 4‑20 mA / RS‑485 Interfaces

Dwyer Series-MPM 1/8 DIN Digital Panel Meter, Dual Display, 4-20 mA/0-10 V, NEMA 4X
Programmable Panel Meter; 6‑Digit LED, Scalable 4‑20 mA / Relay Output

Dwyer Series-QPC Quadraplex Pump Controller for 4 Pumps - Alternating, Reliable, LED Ind.
Quad Pump Controller; Lead‑Lag Alternation, Up to 4 Pumps, Alarms
Sight Flow Indicators
Temperature Transmitters
Valves, Regulators & Positioners

Dwyer Series 2000VA-3000WA High-Flow Control Valves – 50:1 Rangeability – Brass, Iron, SS
High‑Flow Control Valve; Balanced Cage for Precise Control

Dwyer Series MGO Gear Operators for Valves & Dampers, Cast Iron, Self-Lubricating, Weatherproof
Cast‑iron gear operator; self‑lubricated; locks valve/damper position

Dwyer Series SAE Butterfly Valves for Hydraulic Shut-off, 25 psi, O-ring Seal, Detent Lock
Low‑cost SAE flange butterfly valve; 25 psi hydraulic shut‑off; detent lock

Dwyer Series WE01 2-Piece SS Ball Valve, Reinforced PTFE, 316 SS, Custom Actuators, Flow Control
2‑Piece SS Ball Valve; RPTFE Seats, 1000 WOG

Dwyer Series WE04 SS Flanged Ball Valve for Gas/Liquid Control, Custom Actuator Options
Stainless Flanged Ball Valve; Full Port for Gas/Liquid

Dwyer Series WE20 Butterfly Valves with Cartridge Seat for Low Torque Seal, Gas/Liquid Control
Lug/wafer butterfly valve; cartridge seat; EPDM/PTFE liner; 2–12″ sizes

Series-Mark Series Mark Position Indicators/Switches/Transmitters | Dwyer
Rotary/Linear Valve Position Indicator; Switch, Transmitter & HART® Options; Weatherproof, Explosion-Proof & IP68 Submersible

