Carbon Dioxide Detector 'Dräger Polytron 8720IR'
Carbon dioxide detection alarm suitable for harsh outdoor environments in industry and commerce.
The "Dräger Polytron 8720IR" is a high-performance explosion-proof gas detector that detects carbon dioxide in vol.% or ppm. Equipped with the high-performance infrared "Dräger PIR7200 sensor," it is not damaged even if submerged. In addition to a 3-wire 4-20mA analog output with relay, Modbus and various fieldbuses are also available, making it possible to integrate into any control system. 【Features】 ■ Highly efficient, stable, and robust ■ Quick and easy remote evaluation of the detector's status ■ Common platform design and common operating system ■ Three relays for controlling external devices ■ Safe and robust housing For more details, please refer to the catalog or feel free to contact us.
basic information
**Main Specifications** ■ Type ・ Pressure-resistant explosion-proof type "d" model ・ Combination of safety increased explosion-proof type "d/e" model ■ Target Gas: Carbon Dioxide ■ Measurement Range: 0–10 vol.% (standard) / 0–2,000 ppm / 0–30 vol.% (customizable) ■ Display: Backlit graphic LCD; 3 status LEDs (green/yellow/red) ■ Electrical Specifications ◎ Analog Signal Output ・ Normal operation: 4–20 mA ・ Maintenance: Constant current 3.4 mA / 4 mA ±1 mA 1 Hz modulation; (adjustable) ・ Fault: <1.2 mA ◎ Digital Signal Output: HART, PROFIBUS PA, FOUNDATION Fieldbus H1, Modbus RTU ◎ Power Supply: 10–30 VDC, 3-wire ◎ Power Consumption (maximum): No relay 330 mA (24V) / With relay 350 mA (24V) *For more details, please refer to the catalog or feel free to contact us.*
Price range
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Applications/Examples of results
【Usage】 ■Detection of carbon dioxide, etc. *For more details, please refer to the catalog or feel free to contact us.
