New&original MQ-2 smoke sensor/Gas sensor

New&original MQ-2 smoke sensor/Gas sensor high quality best price fast delivery!

 New&original MQ-2 smoke sensor/gas sensor 

Features:

1. A wide range of detection range high sensitivity2.fast response recovery3.excellent stability4.long life simple drive circuit  

Application can be used in the family and the factory gas leakage monitoring device, suitable for liquefied gas, butane, propane, methane, alcohol, hydrogen, smoke and detection.

specifications

a. standard working conditionsB. Environmental conditionsC. Responsed. structure shape test circuit

Technical Data                                     

Model No. :MQ-2 Sensor Type: Semiconductor  Standard Encapsulation: Bakelite (Black Bakelite) Detection Gas : Combustible gas and smoke Concentration : 300-10000ppm(Combustible gas) Circuit:1.Loop Voltage   Vc    ≤24V  DC 2.Heater Voltage  VH    5.0V±0.2V ACorDC 3.Load Resistance    RL      Adjustable Character: 1.Heater Resistance     RH        31Ω±3Ω(Room Tem.)  2.Heater consumption     PH         ≤900mW  3.Sensing Resistance      Rs          2KΩ-20KΩ(in 2000ppm C3H8 )  4.Sensitivity       S        Rs(in air)/Rs(1000ppm  isobutane)≥5  5.Slope      α          ≤0.6(R5000ppm/R3000ppm CH4) Condition 1.Tem.  Humidity      20°C±2°C;65%±5%RH  2.Standard test circuit         Vc:5.0V±0.1V;  VH: 5.0V±0.1V  3.Preheat time  : Over 48 hours

Detection concentration range:

Liquefied gas and propane: 100 PPM - 10000 PPMButane: 300 PPM - 5000 PPMMethane: 5000 PPM - 20000 PPMHydrogen: 300 PPM - 5000 PPMAlcohol: 100 PPM - 2000 PPM

 

We recommend  you use 1000 PPM hydrogen or 1000 PPM butane to calibrationSensor.

Payment Methods

1: Western Union and Bank transfer only.

If you have any questions regarding our payment terms please contact us prior to purchase.

 

Fast shipping1>.We will make the shipment within three days after received the payment.

2>.Normally, we advise to ship the goodfs via DHL.

We also can ship to you by UPS, FedEx, EMS, TNT. Anyway, you can select which is your preferred ways.3>.We are not responsible for an item lost or damaged during transit therefore insurance is highly recommended although optional.

 

We have a large products in stock, welcome to contact us if you have any questions or requirements.

We pride ourselves on offering the highest quality items at the most competitive prices - fast.

New&original MQ-2 smoke sensor/Gas sensor