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Home / Computer Hardware, Monitors & Peripherals / Formaldehyde Sensor Module ZE08-CH2O, Compact Low-Power High-Precision Detector

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Detection Gas Formaldehyde (CH2O)
Operating Voltage 5.0V DC
Interface Type UART / TTL
Measurement Range 0 - 5 ppm
Resolution 0.01 ppm
Response Time < 30 seconds
Preheat Time < 3 minutes
Operating Temperature -20°C to 50°C
Module Dimensions 20 x 20 x 10 mm
Expected Lifespan > 5 Years

5 reviews

A

Anonymous

Apr 16, 2026

Rating: 5/5

Low power draw

Great for battery powered monitoring stations. Very efficient and does not drain the cell quickly.

A

Anonymous

Apr 05, 2026

Rating: 3/5

Needs calibration

Works well but required manual calibration out of the box for my specific environmental needs.

A

Anonymous

Mar 15, 2026

Rating: 5/5

Perfect for IoT Integration

Integrated this into my ESP32 project easily. Readings are consistent and the UART communication is straightforward.

A

Anonymous

Feb 24, 2026

Rating: 4/5

Good accuracy

Compared well against a professional meter. Warmup time is accurate as described in the specs.

A

Anonymous

Feb 18, 2026

Rating: 5/5

Compact and reliable

Small footprint makes it easy to fit into tight enclosures for my custom air monitoring box.

5 FAQ

Q: What is the default baud rate?

A: The default baud rate for communication is 9600 bps.

Q: Is there a datasheet available?

A: Yes, you can download the full datasheet from the product resources section on our website.

Q: Can this connect to Raspberry Pi?

A: Yes, it can connect via the UART interface using the GPIO pins on the Raspberry Pi.

Q: Does it detect benzene or other VOCs?

A: No, this sensor is specifically tuned for Formaldehyde detection.

Q: Is calibration equipment included?

A: No, calibration equipment is sold separately. Please refer to the manual for calibration procedures.

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