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Baseefa Ltd

Crowcon’s modular Gasmaster Control Panel monitors up to four gas detectors

17 December 2013

Crowcon’s new Gasmaster control panel has a modular design meaning users only need purchase the required number of input modules. It can easily be extended by adding more modules at a later date. Gasmaster monitors up to four gas detectors or four fire zones, all from a single location.

Simple to operate, the large multilingual LCD displays gas levels from all detectors simultaneously and allows quick and easy system adjustment and testing from the control panel. It can operate as a stand-alone unit or interface with any alarm or visual warning devices and control systems.

The menu system on Gasmaster is straightforward and intuitive, so configuring it to site requirements is simple. All operations on Gasmaster are carried out using the pushbutton control panel on the front of the unit, the action and robustness of which have been improved for ease of use.

In addition to standard 4-20mA-type gas detectors, Gasmaster can also be used with mV pellistor-type flammable gas detectors, which are significantly lower in cost than 4-20mA types, as they have no internal electronics, so require less hands-on maintenance. Sensor calibration is performed via the Gasmaster user interface: once commissioned, mV pellistor-type detectors do not need to be accessed until the sensor needs replacing – usually 3-5 years after installation. In addition, power to mV pellistor-type detectors is automatically cut if the gas reading exceeds 95% of the gas’ LEL (Lower Explosive Limit) to prevent sensor damage.

Event logging on Gasmaster allows diagnostic assessment of alarms or faults using a wide variety of parameters. It can also be used to support risk assessments and so help demonstrate compliance and pass audits.

Gasmaster provides as standard a wide range of analogue, relay and Modbus outputs and a ‘calibration due’ warning informs the user when a service is due on a gas or fire detector. An IP65 enclosure also means the control panel can be installed in potentially wet areas without requiring the additional cost of high-IP enclosures.

The great flexibility of configuration offered by Gasmaster, along with the impressive array of input and output options, and IP rating of 65, has application in many industries.


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