XUAN VINH INVESTMENT CORPORATION

• XV0209 MQ-7 CO Carbon Monoxide Coal Gas Sensor Module
• Made in: China
• Price: Contact
• Status: In stock
• view: 2051

XV0209 MQ-7 CO Carbon Monoxide Coal Gas Sensor Module

MQ-7:
For home, carbon monoxide detection device environment. Suitable for carbon monoxide and gas detection.
Module Features:
Detection of concentration: 10-1000ppmCO
Loop voltage Vc: <=10V DC
Heater voltage Vh: 5.0V ±0.2V  ACorDC(high)
Load resistance: adjustable.
Heater  resistance RH: 31ohm ± 3 ohm(room temperature)
Heater power consumption PH: <=350mW
Standard test conditions:
Temperature: 20 degree ± 2 degree
Humidity: 65% ± 5% RH
Standard test circuit: Vc: 5.0V ± 0.1V; Vh(high):5.0V±0.1V
                                   Vh(low):1.5V±0.1V

1. The analog output voltage, the higher the concentration the higher the voltage.
2. The carbon monoxide detection with better sensitivity.
3. There are four screw holes for easy positioning;
4. Product Dimensions: 32 (L) * 20 (W) * 22 (H)
5. With a long service life and reliable stability
6. Rapid response and recovery characteristics 

Electrical properties:
Input voltage: DC5V power (current): 150mA
DO output: TTL digital 0 and 1 (0.1 and 5V)
AO output :0.1-0 .3 V (relatively clean), the highest concentration of voltage around 4V