Your browser is not supported. For the best experience, you should upgrade to a modern browser with improved speed and security.
Click Here to sign up for 2017 Spring Training!

Carrier® - 33ZCSPTCO2LCD-01 Indoor Air Quality CO2 Sensor with LCD Display

Item: 33ZCSPTCO2LCD-01

Store Inventory

Sign in to see real-time inventory at the stores closest to you.
What’s the price?
Sign in for pricing.
Decrease quantity
Increase quantity

Product Info


The indoor air quality CO2 sensor is designed to monitor carbon dioxide (CO2) levels in the air and interface with the ventilation damper in an HVAC (Heating, Ventilation, and Air Conditioning) system. In addition, the sensor can be used solely for the purpose of monitoring and alarming.

The CO2 sensor uses infrared technology to measure the levels of CO2 in the air. These levels can be used as input to a Carrier controller to control the ventilation damper position and ensure an adequate level of outside air in the building.

  • Sleek, low profile
  • LCD display
  • Mounting plate with terminal block for easy installation and wiring
  • Compatible with US and European junction boxes
  • CO2 measurement range of 0 to 9999 ppm (default range of 0 to 2000 ppm)
  • Versatile sensor options including optional temperature sensor, ABC Logic ™ self-calibration, 4 to 20 mA or 0 to 5/10 V output
  • Solid, locking enclosure duct mounted for monitoring CO2 levels in return airflow
  • Quick, easy installation
  • Lightweight and durable
  • External mounting provides ease of sensor operation and maintenance
  • LCD allows for sensor verification at a glance


Weight3 Pound (lb.)
Width3.2 Inches (in)
Height1.07 Inches (in)
Country of OriginUSA
UPC or Barcode1P33ZCSPTCO2LCD-01
Hazardous MaterialNo
EPA Cert RequiredNo
Length4.58 Inches (in)
Product FamilyNo Family
Voltage24 VAC
Wire Gauge22 AWG

Equipment Part List

Shop Honeywell products