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Oliver IGD has announced the latest addition to its range of sensors with the release of the Tocsin 102 PID (photo-ionisation) Atex-certified detector.

The Tocsin 102 PID is capable of detecting more than 400 chemical substances allowing it to be part of any detection system covering VOCs, hazardous materials, WMDs, toxic gases, bio-threats, trace gases and process escapes.

The Tocsin 102 is a low-cost and easy-to-fit device with a small size, 50mm diameter x 80mm length, allowing the device to be placed close to sources of risk.

It weighs 510g and can be combined with many passive sampling options for inline applications.

With most devices utilising a pump for sample collection and the understood lifetime issue of the photo-ionisation lamps, Oliver IGD provides an alternative as the Tocsin 102 is designed as a normal diffusion device requiring no pump or moving parts considerably reducing breakdowns and maintenance requirements.

Being a diffusion device the atmosphere is not forced to the detector, with a pump that reduces lamp contamination; this enhances the self-cleaning capability and further reduces the requirements for maintenance and personnel intervention.

The Tocsin 102 also has an in-built duty-cycle option.

This enables customers to initiate an alternating period of detection and rest, extending lamp and sensor lifetime.

The user-set duty cycle will be overridden by any gas levels being detected above a user-set threshold level and the device will then move into continuous detection until the gas levels fall below the threshold for a period of time, again set by the user.

The Tocsin 102 PID will be available in analogue (4-20mA) and addressable versions, with an industrial Tocsin 103 analogue and addressable version being released soon.


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