GSZ 300
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GSZ 300 Gas Detector zirconium oxide Gas detector with zirconium oxide sensor, for indoor and outdoor use, designed for monitoring oxygen levels. Fast response time, long service life and minimal calibration requirments make the GSZ 300 an ideal reliable gas sensor in all industrial sectors. • Continuous monitoring for oxygen depletion and enrichment • High accuracy concentrations • Long service life • Low cross-sensitivity to other gases • IP54 (B) and IP65 (T) variants available • Protected against dusty and dirty environments Further fields of application: • Air Quality Monitoring • Food Industry • Greenhouses • Fruit and Vegetable Storage • Biogas Facilities • Medical Equipment • Laboratory Instruments Sensor Technology Gas Sensor GSZ 300 is designed for the monitoring of oxygen depletion and enrichment comply with occupational exposure limits (AGW). The zirconium oxide sensor has a long service life of at least 5 years, long-term stability and has a low cross sensitivity to other gases. It is suitable for use in harsh industrial environments - and with our especially developed waterproof housing, is ideal for use in food processing or wet areas. Sensor Connection We recommend a stable 24 V DC power supply to operate the gas sensors GSZ 300. The allowed voltage range is 18 to 36 V DC. The sensor may be connected using a shielded cable with two twisted pairs, i.e. JY(St)Y 2 x 2 x 0.8 mm, using the wires: Red: +24 V DC, Terminal 1 White: Sensor output 4 - 20 mA, Terminal 2 Black: 0 V, Terminal 3 Yellow: PE/Shield, Terminal 4 We recommend twisting the supplementary earth wire and the yellow wire at the control unit and connecting those two to sensor terminal 4 (PE). At the sensor end the supplementary wire is to be connected to the enclosure, making sure that the bare wire does not touch any of the electronic parts. If the sensor box is mounted on a steel structure connected to PE, the supplementary wire and terminal 5 should not be connected to the enclosure. We control GASES - since 1978 HAMBURG

Waterproof? Of course! Gas sensors for all your requirements! The innovative design of the housing, makes installation simple and quick, as well as enabling their use indoors and outdoors. SCENTY® Gas Sensors are the first choice for safe monitoring technology. All gas sensors of the SCENTY® Series are available in a weather-resistant housing made of glass-fibre reinforced polyester. The diffusion measuring heads developed by HTK are absolutely waterproof and therefore particularly suitable for use in the food industry! The cover screws of the housing are made of corrosion-free polyamide and...

Assembly instructions Everything at a glance Decommissioning If the sensor is out of operation for longer than 4 weeks, it must be checked after one week of operating time with test gas and recalibrated if necessary. Further information on installation heights and the dimensions of our sensor housings and our Stainless steel protective cover can be found in our Data Sheet “Gas Sensor Mounting Instructions'*. Technical Data Highest reliability and maximum performance, various measuring ranges and special designs for special applications in a compact housing. The list is not exhaustive....