GYH25 oxygen sensor for mine
An oxygen sensor, 1.GYH25 technology, used in instruments, alarms, scientific instruments, etc., can solve the problems of short working time, reduced safety performance, poor sensitivity and stability, and achieve simple structure, flexible operation and convenient use. Effect
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[0021] The present invention will be further described below in conjunction with accompanying drawing.
[0022] As shown in the figure, the GYH25 oxygen sensor for coal mines includes a housing 1 and an oxygen monitoring device 2. The housing 1 is provided with a handle 3. The housing 1 includes an upper housing 4 and a lower housing 5. The upper housing 4 is connected to the lower housing 5. The lower housings 5 are connected by a support arm 6, and the upper housing 4 is provided with a display window 7 and an alarm window 8. The lower housing 5 includes a sensor placement chamber 9 and two sides of the sensor placement chamber. A gas monitoring chamber 10, the gas monitoring chamber 10 is evenly provided with a number of ventilation holes 11;
[0023] The support arm 6 is a circular structure, and the support arm 6 includes a connecting arm 15 and a clamping arm 16. The cross-sectional shape of the connecting arm 15 is rectangular. One end of the connecting arm 16 is fixe...
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