Ultrasonic oxygen sensor Gasboard 8500V-RH technical specification
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Ultrasonic oxygen sensor Gasboard 8500V-RH technical specification - 1

SPECIFICATION Product Name: Ultrasonic Oxygen Sensor Model No: Gasboard-8500V-RH Version: V0.1 Date: October 02, 2020

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Ultrasonic Oxygen Sensor Gasboard-8500V-RH Family portable oxygen concentrator, Medical concentrator, large oxygen concentrator. Family ventilator, medical ventilator. The binary gas (include oxygen) detection. Description: Gasboard-8500V-RH ultrasonic oxygen sensors are an economical gas sensor used to detect oxygen concentration in binary gases. By adopting ultrasonic detecting technology and principle of TOF (time of flight) measurement, Gasboard-8500V-RH sensors are very stable, maintenance-free, no drift, no need routine calibration and no-consuming parts, can continuous monitor with...

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Specifications Ultrasonic Oxygen Sensor Specifications Sensor Type Detection Method Ultrasonic Technology Detection Range① Resolution Response Time② Working Temperature Storage Temperature Working Voltage Average Working Current Communication Interface③ Analog Voltage Output③ Size Life Span Remark① PSA oxygen source oxygen concentration detection range 20.5%~95.6%. The max gas flow is 20L/min when the sensor is in mainstream. ② T90 is ≤5s at Gas flow 0.5L/min scenarios; T90 is ≤15s at gas flow 0.2L/min. ③ UART OUTPUT AND ANALOG VOLTAGE OUTPUT values are all with full temperature and...

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Drawing 1 Gasboard-8500V-RH Pin Definition Drawing 4.75-12.6V DC power supply input 4.75-12.6V DC power supply input Serial signal receiving (3.3V) Serial signal sending (3.3V) Connector Types Port

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Correspondence between Output Signal and Oxygen Concentration Drawing 2 Correspondence between Output Signal and Oxygen Concentration Corresponding Relations: O2 and Uout have a linear relationship, and the corresponding relationship is as below: O2 = 0% → Vout = 200mV O2 = 100% → Vout = 2300mV The corresponding oxygen concentration of the output signal can be calculated by the following formula: O2(%) =[Vout(mV) -200] /21 Example: When output Vout(mV)=800mV, O2(%) = (800-200)/21=28.57 The oxygen concentration is 28.57%.

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Reference Circuit Application Scenarios: output Drawing 3 Application Circuit Diagram UART :TTL 3.3V Input and Output Drawing 4 UART Communication Connection Circuit Diagram

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Communication Protocol  UART Communication Protocol 1 Protocol overview 1) Baud rate: 9600, DataBits: 8, StopBits: 1, Parity: No, Flow Control: No 2) The protocol data are hexadecimal data. For example, “46” is [70] in decimal; 3) [xx] is single byte data (unsigned, 0-255); In double byte, the high byte is in front of low byte. 4) The default is active sending, and the sending cycle is 0.5 seconds. If you need to read more other data, send the corresponding command directly to the host, and the host responds immediately. 2 Serial communication protocol formats PC send format Start symbol...

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Ultrasonic oxygen sensor Gasboard 8500V-RH technical specification - 9

Communication Protocol Response example: Response: 16 09 01 00 CD 00 00 00 C2 00 1E 33 Explanation: Hexadecimal convert into decimal: CD is 205; C2 is 194 O2 concentration =0*256 + 205=205 (20.5%) O2 temperature value =0*256+194=194 (19.4℃) 4.2 Read the software version number Send: 11 01 1E D0 Response: 16 09 1E DF1-DF8 [CS] Function: read version number for module firmware Explanation: DF1-DF8 refers to the ASCII code of particular version number. For example: when module version number is 0.02.016, response data: Hexadecimal convert into ASCII code: 4.3 Read sensor serial number Send: 11...

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Drawing 5 External Dimension (Unit: mm, Tolerance: ±0.2mm)

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Product Code ※ Product Type RH: Product Type ※ Structure Type V: Structure Serial Number ※ Product Application 8500: Oxygen Application ※ Product Category Gasboard: Ultrasonic Oxygen Sensor

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Consultancy & After-sales Service Contact number: 86 27-8162 8827 Address: Fenghuang No.3 Road, Fenghuang Industrial Park, Eastlake Hi-tech Development Zone, Wuhan, China Postal code: 430205 Fax: 86 27-8162 8821 Website: http://www.gassensor.com.cn E-mail: info@gassensor.com.cn

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