Dwyer Instruments

These inexpensive manometers measure positive, negative and differential pressures. Dwyer Flex-Tube U-Tube Manometers combine the inherent accuracy of the simple "U" Tube with the durability of tough, long-lasting plastic construction. Series 1221 Manometer, the simplest, lowest cost basic U-gage. Series 1222 Manometer, alll the features of the 1221 plus magnetic clips. Series 1223 Manometer, t...

Dwyer pitot tubes, series 160 are constructed from corrosion resistant stainless steel for a lifetime of service. No correction factors or calibration required. Various standard sizes are available for use in small and large ducts.

The Minihelic is a small differential pressure manometer, suitable for many of the same applications as the Magnehelic gage where the greater accuracy, sensitivity, and higher and lower differential pressure ranges of the Magnehelic gage are not required. It can safely operate at total pressures up to 200 kPa. With the housing molded from mineral and glass filled nylon and the lens molded from...

Model 485B is a compact, hand-held instrument for measuring percentage of relative humidiy and temperature in °C or °F and also calculates dew point and wet bulb temperature. It will store up to 99 readings, ideal for technicians meeding to take multiple readings for later analyses.

The Series DPG has a high ±0.25% full scale accuracy. The 4 digit digital display will reduce the potential for errors in readings by eliminating parallax error commonly produced with analog gages. Series DPG is battery powered and has an auto-shut off to conserve battery life. Battery life, on average, will last 2000 hours. A 4 button key pad allows easy access to features without the need to...

The series DPGA is the only economic digital pressure gage with selectable engineering units on the market. With its 1% accuracy and digital push-button zero, the DPGA is the perfect choice for digitally monitoring the pressures of air and compatible gases.

The Series DPGW is the only economic digital pressure gage for liquids with the ability to select engineering units on the market. With its 1% accuracy and digital push-button zero, the DPGW is the perfect choice for digitally monitoring the pressures of compatible liquids and gases. The 4 digit digital display will reduce the potential for errors in readings by eliminating parallax error commo...

Dwyer Mark II series molded manometers are of the inclined and inclined-vertical types. The curved inclined-vertical tube of the Mark II manometers can be mounted on any vertical surface with the two mounting screws provided. Ranges available from 0-80 mmH2O and from -10 to + 700 Pa.

The MP Mini-Photohelic differential pressure switch/gage combines the time proven Minihelic II differential pressure gage with two SPDT switching setpoints. The Mini-Photohelic gage is designed to measure and control positive, negative, or differential pressures consisting of non-combustible and non-corrosive gases. Gage reading is independent of switch operation. This extremely compact switch...

The Rate-Master® flowmeter line of direct reading precision flowmeters incorporates many unique user features at moderate cost. These low cost flowmeters are ideal for general use.

V10 is esigned to provide an inexpensive, reliable unit to monitor the presence or absence of flow in a system. The V10 flow switch is used to monitor unattended equipment and protect it from costly damage. The V10 flow switch utilizes a rugged, hermetically sealed reed switch which is encapsulated in a polypropylene switch housing that fits into a standard heavy duty leak proof brass body or o...

The Dwyer Magnehelic can be mounted in different ways. By default, the instrument is equipped with all the accessories needed to mount the Magnehelic into a round hole in a panel. In addition, there are various accessories for mounting on a round tube, in a (system) wall, or with various brackets in a wall cabinet.

The Dwyer SAH Smart Air Hood is a revolution in the field of balometers. The patented design ensures minimal resistance and the balometer is pre-calibrated for each type of grid. This makes the SAH the most reliable balometer on the market. The hood can easily be clamped between the floor and the ceiling with the included telescopic rod. The readout device communicates wirelessly with the hood...

With the explosion-proof AT22000 series, the popular Magnehelic® differential pressure manometer is now also available in a flame proof ATEX housing. This manometer measures underpressure, overpressure, or pressure difference. Popular applications are filter monitoring, room pressure monitoring and flow monitoring of a fan.

De RH-R serie luchtvochtigheidstransmitters zijn geschikt voor toepassingen waarbij de ruimte beperkt is. De compacte sensor wordt beschermd door een verwijderbaar filter. De sensor kan tot wel 5 meter van de weerbestendige basis worden gemonteerd. De RH-R is ideaal voor klimaatkamers of montage in kanelen en luchtbehandelingskasten.

The Dwyer AVLV series is an air velocity transmitter for very low velocities below 2 m/s. The AVLV has universal inputs for monitoring equipment and the output range can be configured by local DIP switches. Process values can be monitored locally through the optional integral display or the portable remote display tool. The air velocity transmitter is suitable for quality intensive environments...

The Dwyer pressure monitor series RPMC is designed for critical applications with low differential pressures. The transmitter uses a capacitive pressure sensor to achieve extremely high accuracy. There is a choice between ± 0.25% or ± 0.5% RSS. The RPMC has the same dimensions as the Magnehelic which simplifies an upgrade in the field. The pressure monitor is suitable for applications requiring...

The Dwyer pressure monitor series RPMC is designed for critical applications with low differential pressures which must also be directly visible locally. The 4.3” full color touchscreen can be configured to measure positive or negative pressure in, for example, cleanrooms, hospitals, isolation rooms and laboratories. The Dwyer RSME Room Status Monitor is a complete solution featuring a touchscr...

The Dwyer pressure monitor series RPME is designed for critical applications with low differential pressures. The transmitter uses a piezo pressure sensor to achieve high accuracy. There is a choice between ±0.5% or ±1% RSS. The RPME has the same dimensions as the Magnehelic which simplifies an upgrade in the field. The pressure monitor is suitable for applications requiring strict pressure mon...

The Dwyer RSMC Room Status Monitor Series is designed for critical applications with low differential pressures that also require immediate local visibility. The 4.3” full color touchscreen can be configured to measure positive or negative pressure in, for example, cleanrooms, hospitals, isolation rooms and laboratories. The Dwyer RSME Room Status Monitor is a complete solution with a touchscre...

Model 1950 explosion proof pressure pressure switch combines the best features of the popular1900 series with an integral explosion-proof and weatherproof housing, making it an exceptional value for either application. It is CE, UL and CSA listed, FM approved for use in Class I, Div 1, Groups C and D, Class II Groups E, F, and G and Class III hazardous atmospheres (NEMA 7 & 9), Raintight NEMA 3...

The Model 1950G Explosion-Proof Switch combines the best features of the popular Dwyer® Series 1950 Pressure Switch with the benefit of natural gas compatibility. Units are rain-tight for outdoor installations, And are ATEX approved CE ATEX II 2G Exd IIB+H2 T6. Adjustment to the set point of the switch can be made without disassembly of the housing.

Dwyer Magnehelic gage for high accuracy, guaranteed within 2% of full scale and for the wide choice of 81 models available to suit your needs precisely. Using Dwyer's simple, frictionless Magnehelic gage movement, it quickly indicates low air or noncorrosive gas pressures, either positive, negative (vacuum) or differential. The design resists shock, vibration and over-pressures. No manometer fl...