Oxygen transducer for mine
This product is a new generation of intelligent oxygen sensor, using standard signal output, and various power of domestic instrument and monitoring system, the oxygen concentration continuous monitoring flammable in the work environment. Has the characteristics of long communication distance, contact large output power, local display, sound and light alarm, infrared remote control to adjust, convenient to install and use.
Product features and uses:
GYH25 type oxygen sensor (hereinafter referred to as the instrument), the embedded micro controller technology, designed and manufactured according to the new standard, and various types of supporting the use of coal mine safety monitoring system, continuous online monitoring presence of oxygen gas concentration flammable combustible gas mixture in the environment. Has the functions and features of local display, sound and light alarm, infrared remote control to adjust, frequency signal output, digital signal output.
Working principle.
When the instrument is placed in the presence of oxygen environment, oxygen into the gas chamber through the instrument housing window, electrochemical sensor air chamber to diffusion reaction with oxygen, and the measured gas concentration is proportional to the electric signal. Signal by linear amplifier input A/D converter, the microprocessor for data processing, the digital display of the oxygen concentration, and the signal output circuit output signal, and other equipment. The alarm circuit instrument is composed of a buzzer, light-emitting diodes and a drive circuit, when the oxygen concentration is lower than the set alarm point, the instrument will give an alarm signal.
The main technical indicators:
Project technical indicators
Measuring range (0 ~ 25)%
The basic error ≤± 3%
The response time of <20s
The working power supply DC (9 ~ 24) V/50mA` (intrinsically safe power supply)
The output signal (200 ~ 1000) Hz, RS485 (baud rate)
Digital signal 2400bps
The transmission distance ≥2km
Alarm mode intermittent sound, light alarm, the alarm point can be adjusted continuously
Sound intensity ≥ 85dB
Explosion proof type Exibd I
Sensor life > 2 years (import electrochemistry)
Display mode: 4 bit LED
Dimensions 270 x 120 x 50mm
Weight 1kg
equipment FYF5 type mine remote control
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