GYH25 type oxygen sensor

测量范围：

（0～4～100）%CH4

响应时间：

不大于20s

工作电压：

DC 18V

Oxygen sensor
1. Overview
The oxygen sensor is an intrinsically safe electronic sensor that adopts electrochemical principles, intelligent control by an embedded microcontroller, and a three-digit digital tube display. It is mainly suitable for continuous measurement of oxygen concentration in explosive gas environments such as coal mine underground mining working faces, return air tunnels, and electromechanical chambers. The instrument can measure and display the instantaneous concentration of oxygen, alarm when it exceeds the limit, and output a frequency signal proportional to the measured oxygen content. The instrument has the characteristics of wide measuring range, stable performance and high reliability. It can be used with various coal mine safety monitoring systems and power outage instruments.
2. Technical parameters
, measuring range (
, basic error
(when, not greater than
(
when~, not greater than the measuring range< br/>, the alarm point can be set arbitrarily within the measurement range (the factory default setting is)
, alarm error
, alarm mode and effect, sound alarm, one meter away from the axial distance of the sound source, The sound intensity is not less than
, the sensor resolution
, the response time
, and the working voltage~.