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Electrochemical Formaldehyde Sensor FS00509

  • High Accuracy
  • Electro-chemical Sensor
  • High Sensitivity with rapid response
  • Interference resistance
  • Simulation signal output
  • 10 years lifetime
  • Reliable service for sustainable cooperation

Electrochemical Formaldehyde Sensor FS00509 Introduction

The FS00509 formaldehyde sensor is a fuel cell type electrochemical sensor that uses a high-performance microprocessor and has both digital and analog voltage outputs, making it easy to use. The module uses precise automated calibration and detection equipment to minimize human interference, ensuring accurate and consistent data even during large-scale production. This small and finely designed formaldehyde sensor is convenient for integration and is suitable for portable product applications.

Electrochemical Formaldehyde Sensor FS00509 Features

1.High accuracy, high consistency, high solution

Data detection accuracy: ≤10% reading

Minimum solution: 0.001 mg/m³

Batch consistency: ≥90%


2.Wide detection range

The detection range is expandable, the normal detection range is 0~1.5mg/m³


3.Long service life:

The lifetime is up to 2 years (in the air)


4.High detection frequency

The data updates once per second by default.


1. Air quality monitoring equipment
2. Portable instrumentation
3. Fresh air ventilation system, air purifier
4. Air conditioners, smart home equipment
5. Hospitals, hotels, schools and other public places

Electrochemical Formaldehyde Sensor FS00509 Specifications

Parameter type

Parameter index

Detection Type


Detection Range

0~1.5mg/m³ (Extendable)

Interference Gas


Detection Accuracy

Min Solution


Data Accuracy

≤10% Reading

Batch Consistency


Operation Voltage

DC 3.7V~6.0V

Operation Current

≤100mA (@5V power supply)

Standby Current

≤10mA (@5V power supply)

Warm-up Time

2 min

Detection Frequency

The data is updated once per second (Default)

Output Methods

Default Output

UART (3.3V_TTL Voltage level)


DAC(0.4~2V)、PWM (Default off)

Service Life

2 Years (in the air)

Reference Dimension

23.0×25.5×5.5 mm

Operation Temperature


Operation Humidity

15%RH~99%RH (Non-Condensation)

Storage Temperature


Storage Humidity

0~99%RH (Non-Condensation)

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