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oxygen concentrator sensor
- 20000 Piece / Pieces per Month
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Product Details
Type: | Breathing Apparatus | Brand Name: | longfian | Model Number: | JAY-110 |
Place of Origin: | Hebei, China |
Product Description
Specifications
1.Long life&Fully calibrated;2.Excellent long term stability;
3.Digital output&serial interface;
PRODUCT SUMMARY:
PRINCIPLE-The speed of ultrasonic wave through a gas is a function of its effective molecular weight and the temperature of the gas. If the gas consists of only two variable components, nitrogen and oxygen, the oxygen concentration is a function of the effective molecular weight and the molecular weight of oxygen and nitrogen. Accordingly, the oxygen concentration of the gas can be calculated by measuring the temperature and propagation delay of the ultrasonic wave across the two transducers while the gas passes between the transducers.
USOM-100 module uses advanced digital signal processing and ultrasonic technology to accurately measure the transmission speed of sound wave in the gas mixture, so it can accurately calculate the gas concentration. The module uses diffusion measurement, thus the flow change has little effect on the measurement. Digital signal output is adapted to microcontroller applications.
APPLIACATIONS:
1.Oxygen concentrators
2.Purity detect of O2/N2 mixed gas
3.Gas analyzers
PRODUCT SPECIFICATIONS:
Measurement Rang | 20.8%~96.0% (O2/N2 dry mixed gas) |
Measurement Accuracy | ±2% |
Repeatability | Less than ±1% FS |
Resolution | 0.1% O2 increments |
Ambient Temperature | 5~45°C |
Response Time t90 | Less than 30 seconds |
Sample Gas Pressure | 0~20kPa |
Sample Gas Temperature | 5~45°C |
ELECTRICAL CHARTACTERISTICS:
Parameters | Values |
Supply Voltage | DC 5V±0.5V |
Supply Current | Less than 60mA |
Serial Interface(TTL) | Baudrate 19200 Data Bits 8 Stop Bits 1 Parity None |
Connector | 2.54mm pitch XH Wafer(4 Pins) |
SERIAL INTERFACE
USOM-100 module uses serial interface to receive commands and transmit data, which is ideal for microcontroller applications. User can send the following
command via the serial interface to the module, and the concentration can be read from the receive data.
Send command:
0x55 | 0xAA | 0x7E | 0x02 | 0x4F | 0x43 | 0x94 | 0x0E | 0x0D |
Return data format:
0x55 | 0xAA | 0x7E | 0x04 | 0x4F | 0x43 | MSB | LSB | SUM | XOR | 0x0D |
Return data consist of 11 bytes, of which 7, 8-byte is value for the concentration, it is 10 times of its real value in %. The 9, 10-bytes are SUM and XOR values from 4 to 8 byte. For example, the return data is
0x55 | 0xAA | 0x7E | 0x04 | 0x4F | 0x43 | 0x03 | 0xB4 | 0x4D | 0xBF | 0x0D |
0x03B4=948, then the concentration is 94.8%
Contact Us
- Longfian Scitech Co., Ltd.
- Contact nameJade Guo
- Phone86-137-22257756
- Address2F&3F, East Section, Building 12, Power valley pioneer park, NO.369 Huiyang street , 071051,Baoding, Hebei Province,China Baoding,Hebei
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