S11

Manufacturer:: SenseAir

SenseAir S11 NDIR CO2 Sensor

Specifications

Product Introduction

Senseair Sunrise is a miniature sensor module for battery-powered applications. It gives full control over integration of sensor into a host system, flexibility in changing of CO₂ measurement period and power consumption.

Features

  • Wide supply voltage range enables a variety of battery options
  • Adjustable measurement period by host
  • Adjustable ABC (Automatic Baseline Correction) period by host
  • Ultra-low power consumption

Applications

  • Battery-powered indoor air quality monitors
  • Portable CO₂ detectors
  • HVAC and building automation
  • Smart home and IoT devices
  • Educational and research equipment

Specifications Table

Target gas Carbon dioxide (CO₂)
Operating principle Non-dispersive infrared (NDIR)
Operating range 0 – 50℃, 0 – 85% RH (non-condensing)
Measurement range 400 – 5000 ppm; extended up to 10000 ppm
Accuracy [CO₂] ±(30 ppm + 3% of reading)
(extended range: ±10% of reading)
Pressure dependence 1.6% reading per kPa deviation from normal pressure
RMS noise (filtered) 0.7 ppm @ 400 ppm, 25℃
1.8 ppm @ 3000 ppm, 25℃
RMS noise (unfiltered) 7 ppm @ 400 ppm, 25℃
20 ppm @ 3000 ppm, 25℃
Power supply 3.05 – 5.5 V
Peak current < 125 mA
Steady state current during sampling 85 mA
Average current (typical) 38 μA
Measurement setting Default: 16 s, 8 samples (adjustable by host)
Dimensions (L × W × H) 33.5 × 19.7 × 11.5 mm
Life expectancy > 15 years
Storage temperature -40 – 70℃
Weight 5 g
Communication interface UART / I²C

To learn more, please download the PDF.

Datasheet: