Product Details
Dual-light Source Infrared CO₂ Sensor KGD - CM - 105
Product Introduction
KACISE Optoelectronic has once again made innovations in the field
of indoor environmental quality monitoring, bringing customers
solutions with better performance and lower costs. The dual-engine,
dual-light source infrared CO₂ sensor CM1109 based on the
non-dispersive infrared (NDIR) technology has higher precision,
better stability, and longer service life.
Product Features
- Dual-engine and dual-beam NDIR core technology.
- Small size, compact structure, and easy to install.
- High precision, high long-term operation stability, and long
service life.
- Matrix calibration within the entire measurement range and
temperature range.
Technical Parameters
Detection Range | 400 - 5000ppm (can be extended to 10000ppm) |
Power-on Stabilization Time | ≤ 30s |
Data Refresh Frequency | 1s |
Detection Accuracy | For residential use: ±(50ppm + 5% of the reading) For commercial
use (ventilation control, energy consumption reduction): ±(50ppm +
3% of the reading) For safety and metering use: ±(30ppm + 3% of the
reading) |
Operating Conditions | -10°C to 50°C, below 0 - 95%RH (non-condensing) |
Storage Conditions | -30°C to 70°C, below 0 - 95%RH (non-condensing) |
Operating Voltage | DC 5V±0.1V |
Average Operating Current | ≤45mA@(5V) |
Signal Output | ① UART_TTL(3.3V/5V) ② IIC ③ PWM |
Product Dimensions | W33H20.3D11.4(mm) (excluding pins) |
Company Profile
Xi'an Kacise Optronics Co.,Ltd. is a professional manufacturer of
measuring instruments , located in China xi’an City. Since 2008,
Xi'an Kacise focused on the development and production of pressure,
level and flow measuring instruments .

We have been specializing in manufacturing pressure, level and flow measuring instruments and related products for 10 years. Based on experienced technical
and management personnel, through efforts of our entire staff, we
have become a professional measuring instrument manufacturer and
solution provider. And we are continuously trying to improve
product quality.

Xi'an Kacise is qualified with ISO 9001-2008, GJB 9001B-2009, CE,
intrinsic safety explosion-proof and isolated safety
explosion-proof certificates, etc. which ensure that our products
comply with international standards.

Kacise sensors have already been exported to America, Spain,
Australia, Chile and 20 other countries and regions, and received
many favorable feedbacks. Our overseas distributers are also
increasing. We regard “reasonable prices, efficient production time
and good after-sales service” as our tenet, and hope to cooperate
with more customers for mutual development.

Our goal is simple: to sell the best products at the best prices,
and provides industry-leading customer service. We personally get
to know each of our customers, and we know how to discover the most
valuable part of our business , to help others achieve their goals.