Product Details
Ultrasonic Oxygen Sensor KGD-GAS -427
Product Introduction
The KGD - GAS - 427 ultrasonic oxygen sensor is an economical and
practical sensor used to measure the flow rate and concentration of
oxygen in binary gases. This new - type oxygen sensor is developed
to meet market demands, featuring a compact size and wide - voltage
power supply, enabling more flexible applications.
Product Features
- Simultaneously measure oxygen concentration and flow rate
- Full - range temperature compensation
- Meet CMC, CE, EMC, and ROHS certification requirements
- Compact size for more flexible applications
- Long - term use with lifetime calibration - free
Technical Parameters
Item | Details |
Detection Principle | Ultrasonic measurement principle |
Detection Range | O₂ concentration: 0 - 100% (For PSA oxygen generator: 20.5% -
95.6%) |
O₂ flow rate: 0 - 10L/min |
Detection Accuracy | O₂ concentration: ±1.5%FS@(5 - 45)°C |
O₂ flow rate: ±0.2L/min@(5 - 45)°C |
Resolution | O₂ concentration: 0.1% |
O₂ flow rate: 0.1L/min |
Response Time | Concentration: ≤1.5s; Flow rate: ≤0.3s |
Operating Conditions | -5 °C - 50 °C, 0 - 95%RH (non - condensing) |
Storage Conditions | -20 °C - 60 °C, 0 - 95%RH (non - condensing) |
Operating Voltage | DC 4.75V - 12.6V; Ripple <50mA |
Average Operating Current | <35mA |
Signal Output | UART_TTL(3.3V) |
Product Dimensions | W100*H22*D30 (mm) |
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.