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The Omni2 door warning sign and the Omni2/S slave alarm unit from Omniflex are designed to provide audible and visual warning to personnel when abnormal environmental conditions are present.

The door warning sign is mounted on a door or wall outside of the high-risk area, while the slave unit is used to expand alarm functionality to other areas. Both connect to environmental monitoring devices, such as gas detectors, level detectors and radiation detectors, to provide warning when a hazardous condition is present.

The Omni2/S slave is designed to be used as a repeat alarm for monitoring devices and is mounted inside the hazardous environment to warn personnel to leave. The Omni2 door warning sign is designed to be mounted on or adjacent to the door to stop access when a hazardous condition is present.

According to the company, the Omni2/S and the Omni2 provide a reliable alarm system to increase the safety of personnel and to meet the safety requirements of IEC61508 SIL2 critical applications, ensuring compliance with health and safety legislation.

Typical applications

  • Nuclear power sites for warning of airborne contamination and high radiation conditions
  • Water treatment plants for warning of chlorine, ammonia, hydrogen sulphide, methane and oxygen deficiency
  • Hospitals and healthcare for warning of high radiation conditions

Omniflex

The company was founded in 1965, formerly known as Conlog, specialising in process control, alarm/event management and instrumentation products and systems. In 1997, the original instrumentation business division of the company changed its name to OMNIFLEX Ltd.

The company was founded in 1965, formerly known as Conlog, specialising in process control, alarm/event management and instrumentation products and systems. In 1997, the original instrumentation business division of the company changed its name to OMNIFLEX Ltd.

Omniflex works across all business sectors including pharmaceuticals, hospitals, oil, gas, nuclear, water, electrical distribution and energy monitoring.

The company has its offices in the UK, South Africa, and Australia, and the company’s products are sold on five continents. Product ranges include well-known brands such as OMNI SIL alarm annunciators, OMNITERM SIL signal conditioning, MAXIFLEX intelligent remote terminal units (RTU) and I/O systems and the MAXILARM/Omni 4000 alarm/event management systems.

We bracket ourselves as a ‘remote monitoring specialist’, using data acquisition systems, with better than 1mS timestamp at the IO point (from several I/O up to thousands of I/O),  alarm event management including multiplexing systems, telemetry systems, Data2Desktop using standard web browsers, over varying forms of media and high-integrity (SIL1) annunciator systems.

A particular area that Omniflex is also very strong in is obsolescence issues on old legacy alarm annunciators systems. We have, in most cases, a solution for replacement of Rochester, Highland and Robinson’s annunciator systems. Our alarm annunciator systems have been substantiated by Sellafield for and on behalf of all the nuclear operators.

An area that we can offer customers significant cost savings is through the use of our CONET networking technology, which is supported by many of our RTU / PLC products. Using our CONET network technology allows existing installed cabling to be used therefore significant cabling/installation costs can be avoided. A typical example of this whereby our customer in the nuclear industry used our CONET technology, retained their existing cabling and infrastructure, saved them in the region of £1m on cabling and scaffolding.

As a worldwide supplier, OMNIFLEX provides technical training, back-up and application engineering support to a variety of industry partners including local distributors, value-adding resellers and systems integrators, to provide superior levels of service to the end user.

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