Winsen MH-Z14 NDIR CO2 SENSOR

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SKU: rz24313457 Category: Gas and Dust Sensor

Description

MH-Z14 NDIR Infrared gas module is a common type, small size sensor, using non-dispersive infrared (NDIR) principle to detect the existence of CO2 in the air, with good selectivity, non-oxygen dependent and long life. Built-in temperature sensor can do temperature compensation; and it has digital output and analog voltage output. This commons type infrared gas sensor is developed by the tight integration of mature infrared absorbing gas detection technology, Precision optical circuit design and superior circuit design.

MH-Z14 NDIR Infrared gas module, CO2 Gas sensor module, is a common type, small size sensor, using non-dispersive infrared (NDIR) principle to detect the existence of CO2 in the air, with good selectivity, non-oxygen dependent and long life.

Applications:

MH-Z14 NDIR Infrared gas module is applied in the HVAC
Indoor air quality monitoring, industrial process
Safety and protection monitoring
Agriculture and animal husbandry production process monitoring

Features:

High sensitivity, High resolution
Low power consumption
Output modes: UART, analog voltage signal, PWM wave
Quick response
Temperature compensation, excellent linear output
Good stability
Long lifespan
Anti-water vapor interference
No poisoning

specifications:

Product: CO2 SENSOR
Model: MH-Z14 NDIR CO2
Working voltage: 4.5 V ~ 5.5V DC
Average current: < 85 mA
Interface level: 3.3 V
Measuring range: 0~5%VOL optional
Output signal: PWM, UART, 0.4-2V DC
Preheat time: 3min
Response Time: T90 < 90s
Working temperature: 0℃ ~ 50℃
Working humidity: 0~95%RH
Weight: 15 g
Lifespan: >5 year
Dimension: 57.5×34.7×16mm（L×W×H）

Packages Includes:

1 x Winsen MH-Z14 NDIR CO2 SENSOR

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Shipping & Delivery

Shipping and Delivery Policy

1. Shipping Process:

Orders are processed within 1-2 business days after payment confirmation.
Delivery time varies based on location and selected shipping method, typically ranging between 3-7 business days.
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6. No Return Policy for Opened/Soldered Products:

We do not accept returns for products that have been opened, used, or soldered.
Ensure you verify product compatibility before purchase, as returns will only be accepted for unopened and unused items in their original packaging.

7. Refund Policy:

Refunds will be issued only for canceled orders before shipment or wrong/damaged items received (subject to investigation).
No refunds or replacements for products that have been tampered with, soldered, or physically damaged by the customer.

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Working Pressure Range	0.5~2.0Bar
Working Voltage	3.3～5.5V DC
Output Signal	I2C , UART (0~3V) , analog voltage
Lifespan	＞2 years (in air)
Working Humidity Range	0-99% RH (non-condensing)
Working Temperature Range (°C)	-20°C ~ +50°C
Product Dimensions	32mm x 27mm/1.26 x 1.06 inch
Response Time ( μS)	＜5S
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Module Power	+5.00V
Working Temperature Range (°C)	5-70℃
Product Dimensions	40mm X 27mm(1.57″x1.06″)
Measuring Range	– 2000mV—2000mV
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Working Current	＜5mA
Output Signal	I2C , UART (0~3V) , analog voltage
Compatibility	Arduino , ESP32 , Raspberry pi
Lifespan	>2 years (in the air)
Working Humidity Range	15～90%RH (non-condensing)
Working Temperature Range (°C)	-20～50℃
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