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
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) |