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Standex Electronics Announces New ATEX Optocoupler

Excellent for intrinsically safe circuits and harsh environments


Cincinnati, OH – December 4, 2013 — Standex Electronics, a manufacturer of custom and standard reed switches, reed sensors, reed relays, and magnetics announces their new ATEX optocoupler for intrinsically safe circuits. The optocoupler series are tested and certified for extreme/harsh environments such as potentially explosive atmospheres so they will not become an ignition point when subjected to short circuits or adjacent component failures. Markets the optocouplers will benefit include, but are not limited to oil & gas production, refinery, fracking, bio energy, mining, geothermal, medical, test and measurement, and others.

Optocouplers are electronic components which use light waves to provide electrical isolation while transferring an electrical signal. Standex Electronics’s optocouplers have a number of different uses and applications, which include: control technology, network engineering, automation technology communication systems, measurement and data acquisition systems, control and connection equipment, and heating technology. Additional applications are counting systems, speed indication, rotation measurement, seismic instrumentation, temperature monitoring and measurement, and medical ESD protection.

The main features that the optocouplers offer are their galvanic separation between input and output circuits, analog & digital signal transfer is possible, there are marginal coupling capacities between input and output, only minor output delay times compared to relays, and they have a long life due to their nonabrasive mechanical wear. Their isolation resistance between input & output is up to 10e+13 Ω, their magnetic fields do not impact operation, a photodiode makes for very short cycle times (nanoseconds) with more than 10MHz possible, and there are input and output differences up to 20 KV. Also, Standex Electronics’s optocouplers are able to invert the output signal during transfer, there is a lifetime factor increased by a factor of 10 if the LED is used with less than 50% of the nominal current, and they are resistant against voltage drop.

About Standex Electronics

Standex Electronics is a worldwide market leader in the design, development and manufacture of standard and custom electro-magnetic components, including magnetics products and reed switch-based solutions.

Our magnetic offerings include planar, Rogowski, current, and low- and high-frequency transformers, and inductors. Our reed switch-based solutions include Meder, Standex and OKI brand reed switches, as well as a complete portfolio of reed relays, and a comprehensive array of fluid level, proximity, motion, water flow, HVAC condensate, hydraulic pressure differential, capacitive, conductive, and inductive sensors.

We offer engineered product solutions for a broad spectrum of product applications in the automotive, medical, test and measurement, military and aerospace, as well as appliance and general industrial markets.

Standex Electronics has a commitment to absolute customer satisfaction and customer-driven innovation, with a global organization that offers sales support, engineering capabilities, and technical resources worldwide.

Headquartered in Cincinnati, Ohio, USA, Standex Electronics has eight manufacturing facilities in six countries, located in the United States, Germany, China, Mexico, the United Kingdom, and Canada.

For more information on Standex Electronics, please visit us on the web at

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Julie Dargie
Standex Electronics
+1-508-295-0771 ext. 111
Brian Siegel
Standex Electronics


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