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VOLUME -25 NUMBER 2
Publication Date: 02/1/2010
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Special Features: Components and Distribution
Product Preview: Electronics West / MDM
February 2010 Issue
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Hermetic Switch Intros 2 Proximity Sensors
Mini reed switch sensors.
Chickasha, OK — Hermetic Switch, Inc. has introduced two new cylindrical (tubular) proximity sensors. The new products are the PRX+3800 (Form B) and PRX+3900 (Form C) magnetic sensors, which reportedly deliver all the advantages of reed switch sensing technology but with smaller physical dimensions than previously available.
The new sensors respond to the market need for components with smaller footprints, as size reduction trends continue in the systems and devices utilizing proximity sensors. They can be used in automation, control, or detection in a broad array of applications, including safety, security, alarm, equipment, machinery, manufacturing and processing systems — in industrial, commercial, medical, corporate, government or military applications.
Specific uses can vary widely and include any number of situations — such as extreme environments where reliable and potentially long-term proximity monitoring is desired but physical contact must be avoided.
The PRX+3800 is a Form B (SPST NC) reed switch contained in a temperature-resistant cylindrical (tubular) housing which has a nominal diameter of 0.125-in. (3.18mm) and is 0.750-in. (19.05mm) long. The PRX+3900 is a Form C (SPST) or change-over reed switch with similar housing and dimensions. Both sensors are based on the company's HSR-502R reed switch technology and operate using a permanent magnet or an electromagnetic coil.
The new sensors have an operating distance of 0.250-in.(6.35mm) and are rated at 2 watts. The maximum operating temperature is 105°C while the storage temperature range is -40 to +105°C. The sensors are insensitive to electrostatic discharge (ESD) which makes them especially suitable for applications where ESD is a concern. Custom wire and connector configurations are available.
Contact: Hermetic Switch, Inc., 3100 S. Norge Road, Chickasha, OK 73018
405-224-4046 fax: 405-224-9423 Web:
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