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Địa chỉ sản xuất:Tòa nhà 104, G11, Giai đoạn 4, Cơ sở trụ sở Thời đại, Số 30, Đường Lanxiang giữa, Quận Tianqiao, Jinan 
Địa chỉ đăng ký:Thành phố Haina, Số 555, Đường Meili, Đường Vành đai phía Tây thứ hai, Quận Saiyin, Jinan, Sơn Đông, Trung Quốc Tòa nhà 315, Số 22, Công viên trụ sở

Mining sulfur dioxide sensor has extremely high reliability and excellent long-term stability. The instrument is suitable for measuring sulfur dioxide concentration in various workplaces in coal mines. The instrument adopts infrared remote control adjustment, has no adjustment hole, and has good sealing performance. It is suitable for coal mines containing explosive mixtures but no corrosive gases that damage insulation. Explosion-proof type: mining intrinsically safe type, explosion-proof mark: Ex ia Ⅰ Ma.

[Technical indicators]:

Range: (0~20)ppm;

Intrinsically safe design, EMC protection design;

Waterproof and dustproof design reaches IP65 protection level;

Four-level alarm time and alarm point: can be set locally or by system;

Working voltage: (9~25V)DC; Working current: ≤50mA;

Output signal: RS485 as the main, frequency output as the auxiliary.