JCB4 (X) portable methane detection alarm adopts a high protection design, achieving the industry's advanced IP68 protection level, expanding the product's usage environment, and can always sense gas concentration in high humidity environments

The CD4 (X) multi parameter gas analyzer, equipped with a 32-bit microprocessor and imported sensors, can simultaneously measure four gases: methane (CH4), oxygen (O2), carbon monoxide (CO), and hydrogen sulfide (H2S).

KJD3.7 intrinsically safe handheld terminal for mining is a high-performance terminal designed specifically for wireless communication systems in explosion-proof areas of coal mines. The terminal is a mining intrinsic safety equipment with a protection level of IP65, an explosion-proof type of intrinsic safety, and a coal mine explosion-proof mark of Ex ib I Mb. The terminal device is easy to carry and can be directly fastened to a person's waist belt; In terms of operation, it is relatively simple and compared to ordinary civilian