Pressure Switches suit mobile and off-highway applications.

Press Release Summary:

Series PS98 features polysilicon strain gauge teamed with custom ASIC to provide thermal-compensated pressure sensing, which actuates solid-state relay or transistor switch. Pressure sensing electronics range from 0-6,000 psi. Repeatability is within 0.25% of full set point range. Switch actuation and de-actuation set points are customer-specified and set at factory. Units require 24 Vdc and operate from -40 to 260°F.

Original Press Release:

Gems Introduces Completely Solid-State PS98 Pressure Switch

PLAINVILLE, CT. Answering industry's demand for solid-state switches, Gem Sensors is now introducing the PS98 Series of pressure switches using transducer technology. PS98 Series pressure switches feature a polysilicon strain gauge teamed with a custom ASIC to provide accurate, thermal-compensated pressure sensing. The sensing results are used to actuate a solid-state relay or transistor switch. With no moving parts, the solid-state construction resists the damage that shock and vibration can cause to mechanical switch units and is designed to deliver more than 100 million switch actuation cycles. This makes the PS98 Series ideal for off-highway, mobile or other demanding applications.

Gems uses its proven Chemical Vapor Deposition (CVD) technology to produce extremely stable polysilicon strain gauges. CVD manufacturing methods bond a polysilicon strain gauge bridge layer to a stainless steel diaphragm at the molecular level to produce a sensor with superior long-term drift. Repeatability is within 0.25% of the full set point range. The PS98 pressure switches are an ideal alternative to electromechanical types when switch action exceeds 50 cycles/minute and a broad frequency response is needed.

A modular design allows for a wide range of configurations. In addition to pressure sensing electronics that range from 0 to 6000 psi (0 to 400 bar), the PS98 Series offers a broad selection of pressure connections and several electrical termination options, including DIN plugs and IP68 cables. Switch actuation and de-actuation set points are customer-specified and set at the Gems factory. Operating temperatures range from -40°F to 260°F (-40°C to 125°C). Power requirement is 24VDC. Switch body (minus pressure port and electrical termination) is less is 2.7" long and 1.5" in diameter.

Smarter Products, Better Solutions is how Gems Sensors is shaping the future of fluid sensing. For 50 years, the company has been the preferred supplier to thousands of companies serving the OEM, MRO, Process, Environmental, and Marine industries because of its innovative approach to sensor design, applications, and problem solving to meet customer-specific needs. Gems Sensors is a leading global manufacturer of liquid level, flow, and pressure sensors and solid-state relays and barriers.

For more product information, contact Gems Sensors, One Cowles Road, Plainville, Connecticut 06062. Phone: (800) 378-1600.

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