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OCS-3FRL1.0 Winpower for Ventilators and Oxygen tank Detect 0-100% 0-20L/min Have Humidity Compensation Ultrasonic Oxygen Sensor

OCS-3FRL1.0 Winpower for Ventilators and Oxygen tank Detect 0-100% 0-20L/min Have Humidity Compensation Ultrasonic Oxygen Sensor

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Specifications

Brand Name
NONE
High-concerned chemical
None
Origin
Mainland China
Output
Digital Sensor
Theory
Ultrasonic Sensor
Type
Gas Sensor
is_customized
Yes
Use
Gas Sensor
Material
Mixture
Product name
Ultrasonic Oxygen Sensor 3FRL1.0
Detecting Gas
Oxygen
Function
Detect oxygen purity and flow (HFNC)
Application
PSA oxygen concentrator,HFNC,Pure oxygen + air
Feature
long life (more than 5 years), measurement stability, high accuracy.
Output signal
9600bps UART 3.3V TTV level
The spacing time of UART data
500ms
Color
Black+Blue
Weight
27g
Size
79mm x 24mm x 22mm ( L x W x H)

Product Description

Note!!!

Sealing: 21%-95.6/21%-99.9%
Unsealed: 21%-95.6%/0%-99.9%


The adapter default is Chinese specification, but the adapter will be configured according to the delivery address: American specification, European specification, British specification.

Product overview

Product performance description

OCS-3FRL_1.0 is a multifunctional oxygen sensor based on ultrasonic technology, with built-in humidity and atmospheric pressure compensation, which can be used for the detection of air-oxygen mixed gas or Pure oxygen, and built-in atmospheric pressure compensation to adapt to the altitude.

Features

ØHigh accuracy
ØStrong anti-interference ability
ØHigh precision, good long-term stability
ØNo user calibration, life is more than 5 years
ØTemperature and humidity compensation, atmospheric pressure compensation
Application scene
ØMolecular sieve oxygen generator
ØHFNC、 detection of oxygen concentration in the environment

Technology Characteristics

Size and Connectors

Product use tutorial

In general connections, sensors, wires, LCD and PSU are required.The PSU connects the LCD to the power supply, and the cable connects the LCD to the sensor (J2 port).
It can detect that the oxygen concentration in the air is 21% .

UART communication parameters

Packing&Shipping

Small box (42*30*24cm) : 30 PCS/layer *5 layers =150PCS
Large box (two small boxes inside, 50*32*44cm) : 150*2=300PCS
Big box net weight: 5KG
Gross weight: 7.2KG

Company Introduction

Winpower Technology Co., Ltd. is headquartered in the innovative city of Shenzhen, is a research and development, production, marketing in one of the rapid development of national high-tech enterprises.
As an international integrated supplier of gas sensors, we have been committed to developing high-quality and reliable products to meet the needs of various customers.

Our Services & Strength

Pre-Sales Service
* Inquiry and consulting support.
* Sample testing support.
* View our Factory.
After-Sales Service
* Training how to instal the machine, training
how to use the machine.
* Engineers available to help customers settle
problems in time.

FAQ

Q: Are you a factory or trading company?
A:We are a Professional Manufacturer for ultrasonic oxygen sensors.
Welcome to our company, our company, show room and factory in same place.

Q. What is your trading term?
A:1. Payment term: T/T, or PAYPAL for small amount .
2. Lead time: normally in 2-30 days after receiving the payment.
3. Sample policy: Samples are always available for each model. Samples can be ready in 2-5 days once payment received.
4. Shipping: send by EXPRESS
5. Discounts: We offer discount for big quantity.

Q: How to purchase your product?
A:Quotation → PI → Confirm PI → Arrange payment →Producing → Shipping

Q: Can you provide the OEM service?
A: Yes

Q. Where is your company?
A: 2nd floor, 6# Building, Zone A, Baosheng Industry Zone, No.6 Tangbian Road, Bainikeng Village, Pinghu, Longgang District,
Shenzhen City, Guangdong Province, P.R.China. Welcome to our company.


Pros & Cons

Pros

  • Long service life of over 5 years, ensuring long-term reliable use
  • High measurement accuracy and stability with built-in humidity compensation for precise readings
  • Versatile compatibility with multiple oxygen system types including PSA concentrators and HFNC
  • Digital 9600bps UART 3.3V TTL output for easy integration with monitoring systems

Cons

  • Detection range varies by sealing type: sealed models cover 21%-95.6%/21%-99.9% while unsealed models support 0%-99.9% oxygen purity
  • No official brand name listed, which may be a concern for buyers seeking branded components
  • Only supports 3.3V TTL UART output, limiting compatibility with some higher-voltage systems
  • Default adapter is Chinese spec unless adjusted for your delivery region, requiring extra setup for some users

Common Questions

What material is this ultrasonic oxygen sensor made of?

It is constructed from a mixture of materials as specified in the product specs.

What are the physical dimensions and weight of this sensor?

The dimensions are 79mm x 24mm x 22mm (L x W x H) and it weighs 27g.

What devices or systems is this sensor compatible with?

It is compatible with PSA oxygen concentrators, HFNC, and pure oxygen + air mixture setups.

What is the intended usage of this sensor?

It is designed to detect oxygen purity and flow for high-flow nasal cannula (HFNC) and related oxygen delivery systems, with humidity compensation for accurate readings.

What shipping adapter specifications are included with this sensor?

The included adapter will be configured based on your delivery address, with options for American, European, British, or default Chinese specifications.

Product information last updated on April 3, 2026