Target: formaldehyde, benzene, carbon monoxide, hydrogen,alcohol, ammonia, smoke of cigarette, essence
Model: ZP01-MP503
Detection range: Output 0-3 grade pollution signal
Detection principle: Module,semiconductor
Characteristics: Calibrated before shipment, (10S-4Min)with auto-preheating function, faulty auto-check
Size: 24×20×16
Working conditions: Working voltage 5±0.2V
Output TTL level
Response time≤20s

ZP01-MP503 Manual download
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ZP01-MP503 air-quality module adopts flat surface semiconductor gas sensor. The module has very high sensitivity to volatile organic gases such as formaldehyde, benzene, carbon monoxide, ammonia, hydrogen, alcohol and smoke of cigarette, essence &etc. The module has been aging, debugged, adjusted and calibrated. So it has good consistency and high sensitivity.


Air cleaner, fresh-air system, intelligent integrated ceiling, air quality monitor, ventilator, air-condition.


  • High sensitivity and good long-term stability
  • Calibrated before shipment
  • 10 seconds to 3 minutes with auto-preheating function
  • Faulty auto-check, low power consumption
  • Long lifespan, high cost-effective


Sensor Air quality sensor
Target Gas formaldehyde,benzene,carbon monoxide,hydrogen,alcohol,ammonia, smoke of cigarette, essence, etc.
Physical Interface XH2.54-4P terminal sockets
Output Data 0~3 grade pollution signal
Working Voltage 5.0±0.2V DC (No voltage reverse connect protection)
Output Data TTL level (200ohm protected resistance inside)
Working Current ≤60mA
Warm Up Time ≤3 min
Response Time ≤20s
Recovery Time ≤60s
Operating Temperature 0~50℃
Operating Humidity ≤95%RH
Storage Temperature -20~60℃
Storage Humidity ≤60%RH
Size 24×20×16mm(L×W×H)
Weight ≤ 20g
Sensitivity Attenuator ≤1%/year

* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.

Technical Support:

Customized technical design and function, LOGO and package are available without extra charge (including molding fee) for mass volume.

The sensors don't have sleeping mode. It can be set in program if needed.

All Winsen products go through strict inspections and tests to make sure they are 100% qualified before shipping out.

The sensor has been fully tested (not calibrated) before leaving the factory. However, after transportation and storage, the environment conditions change, and the surface of the sensor absorbs moisture, mixed gas, pollution matters, etc. It is recommended that customers perform aging and calibration after sensors become stable according to the program and use occasions of the whole device.

15﹪-90﹪RH without condensation,greater or less than this range or long-term high temperature and high humidity will affect the life of the sensor.

Our sensors are certified with CE, 3C, ROHS, anti-explosion, fire prevention, and coal mining safety according to different applications. And we provide assistance for new certification.

Many factors can cause the sensor to fail such as broken wires in transportation, poisoning, falling off of the sensitive material, damage to the heating wire (device), etc. Please find specific cause in each category with Winsen’s aftersales.

Winsen provides professional consultation and service before and after sales. We will recommend the best fitting sensor for your demand. If you have any problem, don’t hesitate to email us to

Due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. But we will reply to your inquiry in 24 business hours.