Name: TSPD003
Brand: TRUSEE
SKU: TSPD003
Availability: OutOfStock

规格

Product Introduction

TSPD003 is a CO2 gas detection sensor based on Photoacoustic Spectroscopy (PAS) technology. It integrates a black body chip, a high-sensitivity microphone, and an MCU controller. The black body chip emits infrared light at a specific wavelength. Inside a relatively sealed photoacoustic cell, the infrared light is absorbed by CO2 gas molecules, generating a weak pressure signal. The high-sensitivity microphone detects the pressure changes in the photoacoustic cell, and after processing by the built-in MCU algorithm, outputs the current CO2 gas concentration.

TSPD003 features a compact size. An external MCU can communicate with TSPD003 via the I2C interface or UART interface to read the CO2 concentration output or adjust the device configuration.

Features

PAS (Photoacoustic Spectroscopy) technology
CO2 concentration range: 0ppm to 32000ppm
Accuracy: ±30ppm ±3% of reading (400~5000ppm)
Communication interface: I2C/UART
Dimensions: 16.8 x 17.5 x 8.1 mm3
Operating temperature range: 0 to 50°C

Applications

HVAC / Fresh air systems
Home appliances
Smart home
Air purification
Smart cabin
Agricultural planting
Industrial environmental monitoring

Specifications Table

Parameter	Value
Parameter	Value
Supply Voltage (VDD)	3.0 to 3.6 V
Black Body Supply Voltage (VDDH)	7 V
Black Body Peak Current (ICCH)	85 mA
Accuracy (Acc)	±30ppm ±3% of reading (400~5000ppm)
Sampling Time (Tsample)	5 to 3600 s
Response Time (T63)	60 s
Resolution (Res)	1 ppm
Operating Temperature (Tamb)	0 to 50 °C
Storage Temperature (Tstorage)	5 to 40 °C (<90% RH)
Communication Interface	I2C (100~400kHz) / UART (115200 baud)
Dimensions	16.8 x 17.5 x 8.1 mm3

To learn more, please download the PDF.