26 GAS DETECTION
Connected Safety solution TeamLink G999L
The primary task of portable gas detection devices is to provide early warning of dangerous gas concentrations. However, the effective range of the visual and audible alarms is limited to the person carrying the device as well as persons in the immediate vicinity.
The Connected Safety solution TeamLink G999L integrates the gas monitors of up to 10 team members into a safety network that provides important information in the event of an alarm, as for example real-time
alerting of the team leader including information on the cause and continuous information on the hazard situation on site for the rescue teams.
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One of the most popular transmitters now with an approval for Ex zone 2
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The transmitters of the 22 series from GfG are used in thousands of applications worldwide. One of the most popular models, the CC22 for monitoring
combustible gases and vapours, is now available as CC22ex in a version for use in Ex zone 2.
The transmitter
CC22ex with its flameproof sensor is used to detect combustible gases and vapours in ambient air down to the lower explosion limit under atmospheric conditions. Customers can choose from a variety of sensors, from A for ammonia to X for xylene. The CC22ex has a digital RS485 interface. Communication is based on the Modbus (RTU) protocol.
The transmitter CC22ex doesn’t feature a display. Various operating states are signalled via a three-coloured status LED. A green LED essentially signals readiness for operation in normal measuring mode. A yellow LED essentially signals a special state such as a fault or service operation. The red LED signals that the measuring range has been exceeded in measuring mode.
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Reliably detect O2
Whether in industrial safety environments, in areas classified as confined space or in cases of emergency, the ability to reliably measure oxygen concentration and provide warning of abnormal conditions is a critical requirement.
Since the late 1970s electrochemical sensors based on consumable lead anodes have been the de facto standard for most applications. It‘s a proven method that works reliably on the principle of a galvanic cell in most environments, but it has its limits.
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Three major challenges exist: • Extremes in temperature and humidity • Coping with venting requirements • The increase in volume
As a solution to these problems even under the harshest of conditions, GfG now offers a new series of lead- free smart sensors, which offer long operating life for a wider temperature and humidity range. In addition, they meet latest legal requirements regarding lead-free products and restrictions of hazardous substances. Contact your local account manager to find out more about the new generation of sensors.
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Those who work underground deserve the best equipment
Gases have always been sources of greatest danger underground. Mining-specific terms for the various hazard situations, such as firedamp or blackdamp, can be found in almost every language.
Since its foundation, GfG has been committed to the health and safety of miners. The new Polytector III G999M, with its ability to monitor up to 7 gases, successfully continues this tradition.
Designed for the demanding conditions underground, the r G999M multi-gas detector not only offers state-of-the-art gas detection technology, but also integrated safety functions such as a pump to evaluate confined spaces and a radio module to transmit alarms and measured values to the team leader or the control centre. It goes without saying that it comes with the necessary M1 Ex zone 0 certification.
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A versatile controller to fit any “simple” task
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Sometimes a small and seemingly simple gas warning system is all it takes to ensure safety and comply with legal requirements. But when it comes to potentially dangerous gases, it rarely is truly easy.
GfG’s new fixed gas monitoring controller GMA22-M provides the functionality and versatility needed to address every task that doesn’t ask for a fully-fledged gas detection solution.
Up to 4 transmitters can be connected to the GMA22-M. Unlike with typical on-site, stand-alone solutions, measuring points can be remotely monitored with the GMA22-M. The installation site depends on the requirements of the respective task. The device intended for wall mounting can be installed as close as next to the entrance door of the room to be monitored or as far as one kilometre away at the control centre.
Selecting the GMA22-M as controller provides customers with the complete range of GfG transmitters and sensors to choose from. Configuration of the measuring point designations, the detector type, the type of gas and measuring range as well as individual or specified alarm thresholds can easily be programmed for each measuring point.
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even under tropical conditions
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