language

English

English English Español Español Français Français Русский Русский العربية العربية Deutsch Deutsch Türkçe Türkçe Bahasa Indonesia Bahasa Indonesia Italiano Italiano
language

English

English English Español Español Français Français Русский Русский العربية العربية Deutsch Deutsch Türkçe Türkçe Bahasa Indonesia Bahasa Indonesia Italiano Italiano

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
Hotel Building Automation Solution

RELATED NEWS

News DDC Controller: How It Works in HVAC Systems
On October 25, 2026
DDC Controller: How It Works in HVAC Systems
A DDC controller helps HVAC systems maintain indoor comfort while keeping equipment operation under control. In commercial buildings, temperature swings, unnecessary equipment runtime, and constant manual adjustments can…
Learn More
News Motorized Valve: Types, Uses & FCU Selection Guide
On October 15, 2026
Motorized Valve: Types, Uses & FCU Selection Guide
When a room stays too warm even though the fan coil unit is running, the problem may not be the thermostat. Water flow through the coil could be…
Learn More
News CO₂ Sensor for HVAC: Demand Controlled Ventilation and Why Sensor Accuracy Matters
On September 22, 2026
CO₂ Sensor for HVAC: Demand Controlled Ventilation and Why Sensor Accuracy Matters
A CO₂ Sensor can help an HVAC system respond to changes in occupancy instead of running the same ventilation rate all day. Think about a meeting room that…
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.