Sound warning device GX-A1+

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The universal gas warning device for surface-mounted fixed installation is suitable for different gases depending on the sensor. It provides the operating voltage required for the sensor, regulates the heating current required for some sensors and evaluates the sensor voltage returned by the sensor and displays it on its illuminated plain text display. Based on the different voltages, the GX-A1+ recognises five different states, including the pre-alarm from 2.0 volts and the main alarm from 2.5 volts, in which not only the potential-free changeover relay assigned to the alarm switches, but the entire warning device makes itself clearly audiovisually noticeable with a loud alarm tone and flashing display illumination. There are sensors for city and natural gas, refrigerants (HFC) and carbon dioxide in two measuring ranges; a separate set GX-A1+CO is available for carbon monoxide, as the TÜV-tested CO sensors are addressed and evaluated differently. POSSIBLE APPLICATIONS Detection of town, natural and liquid gases Methane, butane, propane, ethanol Gastronomy, CO2 bottles, dispensing systems Dry ice processing and storage Detection of refrigerants such as R-32, R-404a, R-410a, etc. Delivery time: 2-3 workdays DESCRIPTION The new GX-A1+ is the direct successor of the long-proven GX-A1. It is an evaluation device for gas sensors that change an analogue voltage when gas is detected. If necessary, the old GX-A1 can be replaced directly by the new GX-A1+ without changing the installation. All previous connections are in the same positions. The alarm is triggered visually by the flashing display light and acoustically by a loud piezo sound generator. In addition,