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Dwyer Products Now Shipping in 5 Days or Less

Shop Dwyer instruments that ship in 5 days or less. In-stock Magnehelic, Photohelic, and Flotect models ready for immediate dispatch. Fast-ship Dwyer gauges, switches, and transmitters — trusted quality, faster delivery.

Low Differential Pressure Gauge – No Power Needed, IP67

The Low Differential Pressure Gauge offers a power-free, durable design for accurate pressure readings in various environments. Ideal for hospitals and temporary units.

Photohelic® Switch/Gages, Differential Pressure, 25 psig Max, Compact

The Photohelic® Switch/Gages offer precise differential pressure monitoring with easy-to-read analog displays. Compact and durable, they are suitable for various applications.

Explosion-Proof Differential Pressure Switch, Weatherproof, 0.03-20 inH2O

The Series 1950 Explosion-Proof Differential Pressure Switch features a durable weatherproof housing, external set point adjustment, and is ideal for HVAC and process applications.

Mini Flow Switches for 1/2 to 2 in Pipelines, Brass or SS Body

The Series V10 Mini Flow Switches monitor flow in 1/2 to 2-inch pipelines. Available in brass or stainless steel, they ensure reliable performance for various applications.

Humidity & Temp Transmitter, 2%-5% Accuracy, Polymer Sensors, Series RHP

The Series RHP Humidity & Temperature Transmitter features polymer sensors with 2%-5% accuracy, ideal for various applications like air economizers and pool monitoring.

Sight Flow Indicators, Brass/316 SS, Single/Double Windows, Rotating Impellers

Discover the Sight Flow Indicators series, featuring durable brass or 316 SS construction. Available in single or double windows with rotating impellers for versatile use.

Compact Flotect® Flow Switch – Weatherproof, NEMA 4, Fits 1/2 to 2 in Pipes

The Compact Flotect® Flow Switch is a weatherproof, NEMA 4 device designed for 1/2 to 2-inch pipes, ensuring reliable flow monitoring for liquids, gases, and air.

Dwyer Mounting Options: Brackets & Magnets for Easy Installation

Explore Dwyer Mounting Options, featuring versatile brackets and magnets for effortless installation of your Dwyer products. Perfect for any setup!

Magnehelic® Transmitter for Low DP Monitoring in HVAC, 4-20 mA Output

The Series 605 Magnehelic® Transmitter offers easy visual monitoring of low differential pressure in HVAC systems, featuring a clear dial and reliable 4-20 mA output.

MSX Magnesense® Differential Pressure Transmitter, 32 Ranges, Dual Output

The MSX Magnesense® Differential Pressure Transmitter offers 32 pressure ranges and dual outputs, ideal for building control in various applications. Easy to install and read.

Self-Powered Current Switches for Fans & Pumps, LED, Split Core, Adjustable

Discover the Self-Powered Current Switches for Fans & Pumps, featuring a split core design and adjustable settings, perfect for efficient LED control.

Pro Differential Pressure Transmitter - 32 Ranges - NIST Options

The Pro Differential Pressure Transmitter offers 32 configurable ranges for precise monitoring in critical environments. Ideal for building performance and air flow applications.

Flow Switch, LED Indicators, Adjustable Flow Rate, NO/NC Outputs

The Series TDFS2 Thermal Dispersion Flow Switch features adjustable flow rates and LED indicators for easy monitoring. Ideal for boilers, chillers, and liquid transfer systems.

Vertical Level Switches for Water, Oil & Chemicals – Precise Control

The Series F6 & F7 Vertical Level Switches offer reliable control for water, oil, and chemicals. Easy to install, they provide precise level indication for various applications.

A3000 Photohelic® Switch/Gages for Pressure Measurement up to 25 psig

The A3000 Photohelic® Switch/Gage combines reliable pressure measurement and control for air and compatible gases, ideal for HVAC and clean room applications.

Differential Pressure Transmitter for Air/Gases, 4-20 mA Output

The Series DM DigiMag® Differential Pressure Transmitter measures air and gas pressure with a 4-20 mA output. Its easy calibration and compact design simplify installation and use.

Duct & Immersion Temp Sensor for Air/Water in Building Automation

Monitor air or water temperatures easily with the Series TE Duct & Immersion Temperature Sensors, designed for building automation and efficient installation.

Digital Temp Switch for Heating/Cooling - Ideal for Refrigeration & Medical

The Series TS2 Digital Temperature Switch is a user-friendly device designed for precise temperature control in refrigeration and medical applications.

Immersion Temp Probes for Water Monitoring with Stainless Steel Thermowells

Monitor hot and chilled water lines with the Series I2-1 Immersion Temperature Probes. Featuring stainless steel thermowells for easy sensor replacement, ideal for HVAC systems.

Compact Low Differential Pressure Gauge – No Power Needed, Dependable and Low Cost

Discover the Compact Low Differential Pressure Gauge, a reliable and affordable solution for various applications. Its small size and clear design make it easy to use and read.

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