Dwyer Instruments, Inc.

Differential Pressure Switch/Gage saves panel space.
Electrical Equipment & Systems

Differential Pressure Switch/Gage saves panel space.

Series MP Mini-Photohelic combines Minihelic II® differential pressure gage with 2 SPDT switching setpoints. It measures and controls positive, negative, or differential pressures consisting of non-combustible and non-corrosive gases. Gage reading is independent of switch operation. Switching status is visible by LED indicators located on front and rear of gage. Compact size makes unit suitable...

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Rotary Paddle Level Control seals process connection.
Agricultural & Farming Products

Rotary Paddle Level Control seals process connection.

Series PLS Paddle Level Switch monitors levels of bulk material in pneumatic conveying and dust collection systems. Incorporating magnetic drive technology, control head is completely sealed from process to prevent material or dust from entering. Weatherproof switch has motor shut-off when paddle stalls to prevent motor burnout. Slip clutch design prevents damage to motor and drive mechanism from...

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Level Controller uses 1/4 in. dia stainless steel probes.

Level Controller uses 1/4 in. dia stainless steel probes.

Series LLC Conductivity Level Controller provides single or dual point liquid level control. It combines solid-state electronics, plug-in design, LED monitoring, surge protection, low voltage sensor, and either 8-pin octal or DIN mounting options. User selects required number of probes and probe length in 1 ft increments. Probes can also be cut to specific length requirement. Unit is suited to...

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Submersible Level Transmitter delivers high accuracy.
Electrical Equipment & Systems

Submersible Level Transmitter delivers high accuracy.

Series SPT measures hydrostatic pressure and sends 4-20 mA or 0-5 V output signal proportional to liquid level with ±0.25% accuracy. Suited for liquid levels sensing in tanks, wells, ponds, flood channels, and landfills, product is constructed of 17-4 PH stainless steel with ABS plastic nose cone. Circuitry protects against noise, voltage spikes, and static discharge. Measuring range is 0-15...

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Level Indicators measure liquid levels inside tanks.
Mining, Oil Drilling, Refining Products & Equipment

Level Indicators measure liquid levels inside tanks.

Series VR View-Rite and Series MVR Mini View-Rite require no external power and mount externally on vessel to be monitored to permit visual indication of level inside tank. Custom built to specific application requirements, maximum indication length is 96 in. Series VR is composed of 316 L stainless steel and has tube diameter of 2 -½ in., while Series MVR has 1 -¼ in. tube diameter and is...

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Flow Switch suits flow/no-flow applications.
Electrical Equipment & Systems

Flow Switch suits flow/no-flow applications.

Series P4 Shuttle Flow Switch monitors water-based liquids with fixed set points from 0.1-1.5 gpm. It features Ryton R4 housing and piston, 316 SS spring, and Viton® O-ring. User can choose from normally open or normally closed SPST or SPDT hermetically-sealed reed switch technology. Inlet and outlet ports are 9/16 in.-18 UNF-2B thread with optional 1/8 in. and -¼ in. NPT or -½ barbed adapters.

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Adjustable Flow Switches suit water, oil, or gas, applications.
Electrical Equipment & Systems

Adjustable Flow Switches suit water, oil, or gas, applications.

Explosion proof Series AFS, offered in brass or 316 stainless steel, offers infinite number of flow settings at pressures up to 1,000 psig. Switches are field adjustable using flat blade screwdriver, and adjustment is set-screw-locked for tamper-free operation. Each unit has SPDT switch rated at 20 VA, 24 in. 18 AWG polymeric lead wires or conduit electrical connection, and -½ in. female NPT...

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Polypropylene Flow Switch fits most piping requirements.
Electrical Equipment & Systems

Polypropylene Flow Switch fits most piping requirements.

Series P3 incorporates piston design consisting of hermetically sealed SPST NO reed switch. Inlet and outlet port can be 3/8 in. male NPT or -¼ in. male Quick Disconnect. Quick Disconnect acetal adapter is user selectable for straight through flow or with shut off valve. Shut off valve will stop line flow when adapter is removed from switch, and flow will resume when adapter is reconnected.

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