eBay

Description:
MH-Z14A CO₂ gas sensor is a general intelligent small sensor, using the non-dispersive infrared (NDIR) principle to detect carbon dioxide in air, and has a good selectivity and no oxygen dependence, long service life.It has built-in temperature compensation, as well as digital output, analog output and PWM output, convenient to use.This is a high-performance sensor combined with infrared absorption gas detecting technology, precision optical path design, excellent circuit design.

Features:

Gas chamber adopts gold plating processing, waterproof and anti-corrosion, long service life.
High sensitivity, low power consumption, excellent stability, resistant to moisture.
Temperature compensation, remarkable linear output(the more CO₂, the higher voltage).
It provides a serial port (UART), analog (DAC) and PWM waveform output.
Widely used for heating and refrigeration equipment, air purification equipment, air quality monitoring equipment, fresh air system at smart home and school.

Specifications:
Working Voltage: DC4-6V
Working Current: 50mA (average); 100mA(peak)
Detection Range: 0-5000ppm
Accuracy: ±50ppm
Preheat Time: 180S
Analog Output Voltage: 0.4-2V (linear output)
Digital Output: Serial data output (9600, N, 8, 1)
Response Time: ≤30S
Operating Temperature: 0~60℃
Operating Humidity: 0~90%RH
Storage Temperature: -20~60℃
Size: 5.7*3.5*1.5cm/2.24*1.38*0.59in

Package Includes:

1 x Carbon Dioxide Sensor

1 x Cable

We accept PayPal .
We ship item to your PayPal verified address.
Payment must be received within 3 days from the date of purchase.

All the items will be dispatched within one business day by Airmail after the payment is clear.

Most times you will receive your order within 10-30 business days after we transfer your package to the delivery company. We cannot guarantee the delivery timeframe if the post office has any unexpected delays due to holiday, weather, customs, or other conditions. Some countries like Russia, Brazil, or some European countries may take up to 50 days or longer for delivery.

We appreciate your patience if you haven't received items in 30 days(Russian customers may need more patience by reason of the local delivery system and/or customs). If you are concerned in any way, please feel free to contact us via ebay message instead of leaving negative/neutral feedback or opening a dispute. We will do our best to solve any problem(resend or refund any missing item).

Customs duty is obligation and liability of citizens in your country, so buyer should be responsible for any tax and custom duty incurred. Generally, the delay or failure delivery is sometimes caused by the policy of different customs.

1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties.
2. duties,taxes,and charges are not included in the item price or shipping fee.
3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase.
4. All disputes arising from the duties will be submitted to ebay for solution.

1. Any questions, pls. contact us via ebay message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails.

2. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5 " in very area
3. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy.

We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.

https://image-us.ziopt.com/upload/third_resource/image/shipc73.jpg