JT-JD-D63C home combustible gas detector
JD-D65NA type independent optical smoke fire detector is a newly developed wireless detector with NB.
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- Commodity name: JT-JD-D63C home combustible gas detector
JD-D65NA type independent optical smoke fire detector is a newly developed wireless detector with NB.
The gas-sensitive material used by the JT-JD-D63C domestic combustible gas detector is tin dioxide (SnO2), which has a low conductivity in clean air. When there is combustible gas in the environment of the detector, the conductivity of the detector increases with the increase of the combustible gas concentration in the air. A simple circuit is used to convert the change in conductivity into an output signal corresponding to the concentration of the gas. And the detector has high sensitivity to methane and strong anti-interference ability to alcohol and some other interfering gases.
Main Features
Good sensitivity to methane
Long service life
Easy to use, after sale worry-free
Simple driving circuit
Key words:- JT-JD-D63C home combustible gas detector
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Product type JT-JD-D63C Product type Semiconductor gas sensor Standard package Plastic sealing Detection gas Methane Detection concentration 300 ~ 10000ppm Standard
Circuit
ConditionLoop voltage Vc 5.0 V± 0.1 V DC Heating voltage VH 5.0 V± 0.1 VACorDc Load resistance RL Adjustable Standard test
Test conditions
Lower gas sensitivity
Element special
Sex < / td >Heating resistance RH 28Ω main 3Ω (room temperature) Heating power consumption PH ≤ 1W Sensitivity S Rs(in air)/Rs(in 5000ppm methane)≥ 5 Output voltage Vs 2.5V ~ 4.0V(in 5000ppm CH4) Concentration slope aα ≤ 0.6 (R5000ppm/R1000ppm CH4) Standard test
Test conditionsTemperature, humidity 20 ℃ & plusmn; 2RC; 55% % 5%RH Standard test circuit Vc: 5.0 V± 0.1 V. VH:5.0V soil 0.1V Warm up time Not less than 48 hours Oxygen content 21%(not less than 18%, oxygen concentration will affect transmission
Initial value, sensitivity and repeatability of the sensor, at low oxygen
Please consult when using under gas concentration)Life 10 years
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