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YJJ DM-OFC-B2 Ultrasonic Oxygen Concentration Flow Sensor TOF O2 Module Pressure Compensation
YJJ DM-OFC-B2 Ultrasonic Oxygen Concentration Flow Sensor TOF O2 Module Pressure Compensation
Specifications
Model Number :
DM-OFC-B2
Preheating :
3 minutes
Price :
Negotiable
Packaging Details :
Box pack
Response time T90 :
≤ 1s
Payment Terms :
L/C, D/A, D/P, T/T, Western Union
Flow range :
0 ~ 20 L/min
Place of Origin :
CHINA
Supply Ability :
1500
Concentration accuracy :
±1.5% FS
Flow accuracy :
±0.2 L/min
Flow resolution :
0.1 L/min
Delivery Time :
5-8 days
Concentration resolution :
0.1% VOL
Brand Name :
YJJ
Range :
20.5% ~ 95.6% VOL
MOQ :
1
Description

Product Description:

YJJ DM-OFC-B2 Ultrasonic Oxygen Concentration Flow Sensor TOF O2 Module Pressure Compensation

Features:

Electrical parameters- Supply voltage: DC 5V ~ 12V (typical DC12V)

- Average working current: ≤45mA

- Communication output: UART TTL 3.3V (9600 baud rate), customizable RS485

- Built-in: **Dual temperature + pressure compensation algorithm**, eliminating measurement deviation caused by intake pressure fluctuations

Environmental conditions

- Working temperature: 5℃ ~ 50℃

- Working humidity: 5~85% RH, **no condensation**

- Maximum tolerance pressure: 150kPa

- Sample gas requirements: Pre-filtering and desalination, no liquid water, large amounts of dust, other impurity gases are prohibited

- Service life: ≥10 years, no electrochemical consumable components, long-term free from frequent calibration

Physical specifications

- Dimensions: 120.5 × 22 × 22 mm

- Weight: 25g

- Gas path: Direct-through gas path, extremely low pressure loss, flexible installation for inlet and outlet gases

Product selling points (self-built website)

1. TOF ultrasonic technology, **collecting both oxygen purity + flow rate parameters simultaneously**, single module replaces two sensors

2. New addition of **pressure compensation**, still stable in pressure fluctuation conditions, suitable for HFNC high-flow equipment

3. Flow upper limit increased to 20L/min, covering the demand of large-flow oxygen generators

4. No consumable materials, long service life, significantly reducing maintenance and calibration costs

5. UART digital serial output, convenient for integration into embedded motherboards, ODM development / maintenance replacement are possible

Specifications:

Average operating current ≤ 40mA
Communication output UART TTL 3.3V
UART TTL 3.3V 5℃ ~ 50℃
Working humidity 5~85% RH
Maximum tolerance pressure 150kPa

YJJ DM-OFC-B2 Ultrasonic Oxygen Concentration Flow Sensor TOF O2 Module Pressure Compensation

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YJJ DM-OFC-B2 Ultrasonic Oxygen Concentration Flow Sensor TOF O2 Module Pressure Compensation

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Product Detail
Model Number :
DM-OFC-B2
Preheating :
3 minutes
Price :
Negotiable
Packaging Details :
Box pack
Response time T90 :
≤ 1s
Payment Terms :
L/C, D/A, D/P, T/T, Western Union
Contact Supplier
YJJ DM-OFC-B2 Ultrasonic Oxygen Concentration Flow Sensor TOF O2 Module Pressure Compensation

ShenzhenYijiajie Electronic Co., Ltd.

Verified Supplier
5 Years
guangdong, shenzhen
Since 2006
Business Type :
Manufacturer, Trading Company
Main Products :
Oxygen Gas Sensor, Electrochemical Gas Sensor, Gas Sensor
Total Annual :
900000-1000000
Employee Number :
50~80
Certification Level :
Verified Supplier
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