Prix FOB
Obtenir le dernier prix( Negotiable )
|10 Piece Minimum Order
Pays:
China
N ° de modèle:
MQ-4
Prix FOB:
( Negotiable ) Obtenir le dernier prix
Localité:
-
Prix de commande minimale:
-
Commande minimale:
10 Piece
Packaging Detail:
inner: plastic foam; outside: paper carton
Heure de livraison:
within 3 days
Capacité de Fournir:
300000 Piece per Month
Payment Type:
PayPal, Western Union, T/T
Groupe de produits :
-
Personne àcontacter Lucky
299 Jinsuo Road, Zhengzhou, Henan
Application:Â
Gas
leak detector for houses/ workshops/ commercial
building
use;
Fire/ safety detection system, and gas leak
alarm.
Â
Features:
High
sensitivity
Fast
respond
Stable and long life
Simple drive circuit
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Specification:
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| Model No. | MQ*4 | ||
| Sensor Type | Semiconductor | ||
| Standard Encapsulation | Bakelite (Black Bakelite) | ||
| Detection Gas | Natural gas/ Methane/ Flammable gas | ||
| Concentration |
********0ppm ( Natural gas / Methane) |
||
| Circuit | Loop Voltage | Vc | ≤*4V DC |
| Heater Voltage | VH | 5.0V±0.2V ACorDC | |
| Load Resistance | RL | Adjustable | |
| Character | Heater Resistance | RH | *1Ω±3Ω(Room Tem.) |
| Heater consumption | PH | ≤**0mW | |
| Sensing Resistance | Rs | 2KΩ**0KΩ(in ***0ppm CH4 ) | |
| Sensitivity | S | Rs(in air)/Rs(***0ppm CH4)≥5 | |
| Slope |  α | ≤0.6(R***0ppm/R***0ppm CH4) | |
| Condition | Tem. Humidity | *0°C±2°C, *5%±5%RH | |
| Standard test circuit |
Vc:5.0V±0.1V                   VH: 5.0V±0.1V |
||
| Preheat time | Over *8 hours | ||
| Pays: | China |
| N ° de modèle: | MQ-4 |
| Prix FOB: | ( Negotiable ) Obtenir le dernier prix |
| Localité: | - |
| Prix de commande minimale: | - |
| Commande minimale: | 10 Piece |
| Packaging Detail: | inner: plastic foam; outside: paper carton |
| Heure de livraison: | within 3 days |
| Capacité de Fournir: | 300000 Piece per Month |
| Payment Type: | PayPal, Western Union, T/T |
| Groupe de produits : | - |
