HL-CO2D Series air duct carbon dioxide transmitter

HL-CO2D series air duct carbon dioxide transmitter is used to measure carbon dioxide in wind ducts in building automation systems. The signal output can provide voltage and current signal types to adapt to the different
requirements of various control systems. Models with RS-485 communication support Modbus protocol, making system integration easier. With relay control output, 3 levels of control points are optional, and has a 7-day ABC selfcalibration function.
Download
Specifications Application

Specifications

Model Measuring range Signal output Measuring accuracy Working voltage Working temp.&humidity Display Protection level
HL-TP22B1250VD 0~250Pa/0~500Pa/0~1250Pa(default) 0~10V ±1%FS DC15~30V -20~50℃
0~90%RH
(no-condensing)		 √ IP65
HL-TP22B1250AD 4~20mA √
HL-TP22B1250V 0~10V
HL-TP22B1250A 4~20mA

APPLICATION

RELATED SOLUTIONS

Data center
Data center
Smart Hospital Solution
Smart Hospital Solution
HaiLin Industrial Park Building Energy Management Solution
HaiLin Industrial Park Building Energy Management Solution
Hotel Building Automation Solution | HaiLin Controls
Hotel Building Automation Solution | HaiLin Controls

RELATED NEWS

News HVAC Controls Wholesale: How to Vet a China Manufacturer Before Your First Container Order
On July 17, 2026
HVAC Controls Wholesale: How to Vet a China Manufacturer Before Your First Container Order
A structured 3-stage guide for HVAC distributors to evaluate Chinese manufacturers, including factory screening, quality control verification, sample testing, and commercial terms negotiation.
Learn More
News UL, CE and BTL Certified HVAC Controls: Why Certifications Matter for Global Distributors
On June 11, 2026
UL, CE and BTL Certified HVAC Controls: Why Certifications Matter for Global Distributors
Understand UL, CE, BTL, FCC, and RoHS certifications for HVAC controls. Market requirements by region, how to verify certificates, and common procurement pitfalls.
Learn More
News Fan Coil Thermostat Buyer’s Guide: 2-Pipe vs 4-Pipe Systems Explained
On May 29, 2026
Fan Coil Thermostat Buyer’s Guide: 2-Pipe vs 4-Pipe Systems Explained
Learn how 2-pipe and 4-pipe fan coil systems affect thermostat selection. Includes valve matching, changeover logic, power options, and a project-type selection matrix.
Learn More

RELATED PRODUCTS

We value your privacy

We use cookies to enhance your browsing experience, serve personalised ads or content, and analyse our traffic. By clicking "Accept All", you consent to our use of cookies.