◆ How it works The device is suitable for the environment of methane and coal dust explosion hazard places, and the sensor is used with the ZPW3.7-Z mine intrinsically safe wireless automatic wine dust reduction device host. The sensor is the use of infrared rays emitted by the human body, enhanced by the Fresnel filter and gathered on the infrared induction source, the infrared induction source uses pyroelectric components, after receiving the human body signal, the charge is released outward, and the sensor detects and amplifies the electrical signal and transmits it to the host controller. ◆ Product features It has the characteristics of size, compact structure, high detection sensitivity and easy installation. ◆ Technical parameters Product model: ZPW-3.7R Operating voltage: 3.7V DC Ambient temperature: 0°C°C~+40°C Explosion-proof mark: ExiblMb Explosion-proof certificate: CCCMT22.0423 Safety sign number: MFB090085 External power supply: Ui: 3.7V, li: 0.5A, Li: 0mF, Ci: 2.4μF Related equipment: ZPW3.7-Z mine intrinsically safe wireless automatic wine dust suppression device host
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