SST Sensing - a brand by Process Sensing Technologies (PST)

CozIR-AAmbient Air CO2 Sensor

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The CozIR®-A Ambient Air CO2 Sensor is designed to monitor CO2 in “breathable” air up to 10,000ppm, ideally suited for Indoor Air Quality (IAQ) applications in the Food & Beverage, Aerospace and Safety markets. The CozIR®-A Ambient Air CO2 sensor comes either cased or uncased – depending on the customers requirements. It has a variety of configurable options including voltage output, RH% and temperature sensing, making it suitable across a wide range of applications.

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Additionally the COZIR®-A consumes only 3mW in continuous operation, with two carbon dioxide measurements per second, and typically consume 50 times less power than any standard NDIR sensors.

The combination of low power consumption and instantaneous start-up time meets the demand for a sensor that will allow for real time monitoring of CO2 concentration levels and can be integrated into a battery or self powered wireless system. Optional temperature and humidity sensing are available on request.

The CozIR®-A is based on SmartIR 3.0 technology platform, which uses our patented LED technology and years of experience in solid-state NDIR sensors to deliver best-in-class power consumption, speed and performance.

We can supply an optional USB to TTL cable which gives users a fast, simple method to attach our sensors to the PC and directly view measurements.

  • Measure up to 1% CO2 concentration
  • Non-heating
  • RoHS compliant
  • Self-calibrating
  • Solid State
  • Vibration and shock-resistant
  • Digital (UART) output
  • Low power
  • Miniature size
Benefits
  • Ideal for very low power, battery and IoT application
  • Up to 50X lower power than typical NDIR CO2 sensors
  • Low maintenance
  • > 15-year product life
  • Fits neatly inside compact instruments
  • Suitable for wireless, portable, wearable and self-powered systems
  • Integrates with wireless IoT networks such as ZigBee, Wifi, LoRa, Bluetooth, SigFox and EnOcean
  • Ideal for integration into IAQ units which are battery-powered and wireless-enabled
  • Supports energy efficient smart homes

  • Measurement Ranges: 0-2000ppm, 0-5000ppm, 0- 10000ppm (0-1%)
  • Accuracy (typ.): ±(30ppm +3% of reading)
  • Time to 1st Reading: <1.2 seconds
  • Response Time: <20 seconds (Diffusion limited)
  • Sample Method: Solid-state LED NDIR Diffusion
  • Measurement Output: UART, Analogue (Optional)
  • Supply Voltage: 3.25V - 5.5V
  • Power Consumption (typ.): <3.5mW @ 3.3V
  • Dimensions and Weight: Ø40.4mm x 11.65mm, 19g - Uncased
  • Ø57mm x 17.25mm, 19g - Cased

CO2 Measurement Specifications

  • Operating Conditions - Temperature: 0°C to 50°C (Standard)
  • -25°C to 55°C (Extended)
  • Operating Conditions - Humidity: 0-95% RH, non-condensing
  • Storage Conditions - Temperature: -30°C to +70°C
  • Pressure Dependence: 500mbar - 1500mbar
  • Sensor Lifetime: >15 years
  • Environmental Compliance: RoHS and REACH
  • Aerospace
  • Food packaging
  • Horticulture & agriculture
  • Safety
  • Analytical instrumentation
  • Automotive
  • Building control/IOT
  • HVAC/DVC
  • Indoor air quality (IAQ)