Our company's products are designed for integration into medical devices such as ventilators, oxygen concentrators, and anesthesia machines to accurately monitor gas flow and oxygen concentration. These sensors are also highly effective in various healthcare applications, including breath analysis, exhalation detection, body temperature monitoring, and blood pressure measurement. Our advanced product range includes medical-grade flow sensors, ultrasonic oxygen sensors, MEMS-based breath sensors, photoconductive CO₂ sensors, thermopile temperature sensors, pressure sensors, and medical electrochemical sensors, providing reliable performance tailored for medical use.

Gas Flow and Medical Oxygen Monitoring Sensors

In critical healthcare applications, monitoring gas flow and oxygen levels is essential for patient safety and treatment efficacy. Our sensors enable accurate flow and oxygen concentration monitoring in respiratory devices

O2 Sensor

  • Excellent repeatability and stability
  • Low power consumption, high precision
  • Wide linear range
Parameter MED-O2-LA MED-O2-LB
Model MED-O2-LA MED-O2-LB
Gas Detected Oxygen (O₂) Oxygen (O₂)
Range 0-100% O₂ 0-100% O₂
Sensitivity 8-15mV (in air) 8-15mV (in air)
Response Time (T90) <15s <15s
Repeatability <2% of output value <2% of output value
Output Linearity Full-scale linearity Full-scale linearity
Interface P/N 5520257-2 3.5mm TRS Interface
Temperature Range -20℃~50℃ -20℃~50℃
Humidity Range 0%~99% RH (non-condensing) 0%~99% RH (non-condensing)
Pressure Range 0.5 Bar - 2.0 Bar 0.5 Bar - 2.0 Bar
Service Life 1.5x10⁶ %O₂ hours (20℃); 0.8x10⁶ %O₂ hours (40℃) 1.5x10⁶ %O₂ hours (20℃); 0.8x10⁶ %O₂ hours (40℃)

Application

Applied to oxygen concentrator control devices and oxygen monitoring in medical equipment such as breathing and anesthesia in the medical industry

Ultrasonic oxygen sensor

  • High precision, good stability and good consistency
  • LED indicators
  • Small size, long life
  • Real-time response, calibration-free
Parameter US1001 US1010
Model US1001 US1010
Detection Method Ultrasonic Ultrasonic
Gas Detected Oxygen Oxygen
Concentration    
Measurement Range 21%~95.6% 20.5%~95.6%
Measurement Accuracy ±1.5%FS @(5~45)℃ ±1.5%FS @(5~45)℃
Resolution 0.10% 0.10%
Response Time ≤1.5s T90 (customizable to ≤0.1s) ≤1.5s T90 (customizable to ≤0.1s)
Flow    
Measurement Range 0~10L/min 0~10L/min
Measurement Accuracy ±0.2L/min @(5~45)℃ ±0.2L/min @(5~45)℃
Resolution 0.1L/min 0.1L/min
Response Time ≤1.5s T90 (customizable to ≤0.1s) ≤1.5s T90 (customizable to ≤0.1s)
Operating Voltage 4.5~13.2V 4.5~13.2V
Average Current ≤30mA ≤30mA
Operating Environment 0~55℃; 0~95%RH (non-condensing) 0~55℃; 0~95%RH (non-condensing)
Storage Environment -30~65℃; 20~95%RH (non-condensing) -30~65℃; 20~95%RH (non-condensing)
Output Signal UART (3.3V) UART (3.3V)
Dimensions    
Standard Model 120mm30mm20mm (LWH) 78.2mm30mm20mm (LWH)
Long Screw Model 120mm30mm30.4mm (LWH) 78.2mm30mm30.4mm (LWH)
Weight 25g 20g
Lifetime ≥5 years ≥5 years

Application

Applied to household oxygen concentrators, medical oxygen concentrators, etc.

Flow Sensors

  • High accuracy and high measurement repeatability
  • High sensitivity
  • Extremely low starting flow
  • Modular design
Specification FR20 FR03H FR08-H0A
Diameter ∅20mm DN3 DN8
Full Scale Value (SLM) - 1/2/3/4/5 50L/min (preferred), 100L/min (optional)
Max Flow Rate 200L/min @20℃, 101.325kPa - -
Measurement Accuracy 9L/min~200L/min ±2.5%; 0~9L/min ±0.5%FS ±(2+0.5FS)% ±(2+0.5FS)%
Operating Pressure ≤200kPa ≤200kPa Customizable
Operating Temperature 0℃~50℃ 0℃~50℃ 0℃~50℃
Output Type Digital IIC or linear analog voltage Linear 0.5V~4.5V (customizable) Linear 0.5V~4.5V (customizable)
Operating Voltage DC4.9V~14V DC5V~14V DC5V~14V
Operating Current ≤30mA ≤10mA ≤20mA
Electrical Interface PH2.0-5P connector 2.54mm-5P or PH2.0-5P terminal (optional) PH2.0-5P terminal
Storage Temperature -20℃~80℃ -20℃~80℃ -20℃~80℃
ΔPmax ≤1000Pa ≤600Pa ≤2400Pa @ 50L/min 0℃, 101.325kPa
Measurement Medium Dry, clean, non-corrosive gases Dry, clean, non-corrosive gases Dry, clean, non-corrosive gases

Application

Suitable for gas flow detection in the fields of critical respiratory, transport ventilator, industrial process control, air and environmental protection, etc.

Temperature Measurement and Control Sensors

Temperature control is essential in various healthcare applications, particularly for detecting fever, monitoring core body temperatures, and managing thermal conditions in medical devices.

Digital Thermopile Temperature Sensor

  • TO-46 package
  • High sensitivity, fast response
  • Good stability, high filter transmittance
  • NTC high precision
Parameter Unit Min Typical Max
Sensitive area of thermopile mm2 / 0.7x0.7  /
Field of view Degree   54  
Power supply range V 2.6   5.5
Power current Ua / / 300
Working temperature range -20 / +85
Storage temperature range -40 / +125
ESD rated power V / ±4000 /
Filter wavelength range um 5.5 / 14
Temperature measurement range -20   250
Temperature measurement accuracy / ±1℃ for below 100℃ range;±2% for over 100℃ /

Application

Non-contact temperature measurement; infrared thermometers such as ear temperature and forehead temperature; continuous temperature control of the production process; temperature measurement and control of household appliances (microwave ovens, hair dryers, air conditioners, etc.); human presence detection;

Thermopile Temperature Sensor

  • TO-46 package
  • High sensitivity, fast response
  • Good stability, high filter transmittance
  • NTC high precision
Specification MRT-511 MRT-311
Model MRT-511 MRT-311
Chip Size 1.1 × 1.1 mm 1.1 × 1.1 mm
Field of View (FOV) 95° (greater than 50%) 95° (greater than 50%)
Noise Voltage 500K, 1Hz, 25℃ 38 nV/Hz¹/²
Noise Equivalent Power 0.27 nW/Hz¹/² 0.23 nW/Hz¹/² (500K, 1Hz, 25℃)
Time Constant 10 ms ≤13 ms
Detectivity 1.0 × 10⁸ cmHz¹/²/W 1.5 × 10⁸ cmHz¹/²/W

Application

Applied to non-contact temperature measurement, non-contact measurement of infrared body temperature such as ear temperature and forehead temperature, continuous temperature control in the production process, temperature measurement and control of household appliances (microwave ovens, hair dryers, air conditioners, etc.), and human presence detection.

Breath Detection Sensors

Breath monitoring plays an important role in assessing respiratory health and diagnosing various conditions. Our breath detection sensors are suited for breath analysis, monitoring exhalation levels, and identifying gas components in exhaled air.

MED-H2 H2 Sensor
MED-2CO CO Sensor
MED-NH3 NH3 Sensor
MED-NO NO Sensor
  • Low power consumption, high precision
  • Wide linear range
  • High sensitivity, strong anti-interference ability
  • Excellent repeatability and stability
Specification MED-H2 MED-NH3 MED-NO MED-2CO
Model MED-H2 MED-NH3 MED-NO MED-2CO
Detected Gas Hydrogen (H₂) Ammonia (NH₃) Nitric Oxide (NO) Carbon Monoxide (CO)
Detection Range 0–200 ppm 0–10 ppm 0–300 ppb 0–200 ppm
Sensitivity (3.0 ± 0.5) nA/ppm (0.22 ± 0.03) μA/ppm (1.0–3.0) nA/ppb (200 ± 65) nA/ppm
Response Time (T90) < 30 s < 60 s < 15 s < 30 s
Zero Output (Clean Air) < ±2 ppm (equivalent H₂) < ±2 ppm (equivalent NH₃) / < ±2 ppm (equivalent CO)
Zero Drift < +10 ppm (equivalent H₂) (-10℃~+50℃) < 10% over 6 months / < +10 ppm (equivalent CO) (-10℃~+50℃)
Repeatability < ±3% of output < 2% of output < 5% of output < ±3% of output
Linearity Within ±5% Within ±5% Linear Within ±5%
Stability (Avg. Decay/Month) < 2% / / < 2%

Application

Used for respiratory analysis and intestinal disease diagnosis, ammonia detection in the medical industry, medical field, detection of nitric oxide concentration in exhaled breath, design of respiratory analysis (exhaled CO detection for evaluating smoking cessation status) low hydrogen cross-interference

Refrigerated Lead Selenide Infrared Photoconductive Sensor

  • High detection rate
  • Quick response TO-8 package
  • Stable cooling Window can be customized
Item Typical Unit
Photosensitive area 2*2 mm
Response wavelength range 1~5 um
Peak wavelength 3.8 um
Response Time 20 us
Peak responsivity 4*104 V/W
Peak Normalized Detection Rate 1*1010 cm·Hz½/W
Dark resistance 0.5~5
Operating temperature -30~70

Application

Applied to 13CO2 breath analyzer; carbon emission gas detection; infrared spectroscopy analysis.

Hydrogen Sulfide Sensor

MED-GE01
  • Low power consumption, high precision
  • Wide linear range
  • High sensitivity, strong anti-interference ability
  • Excellent repeatability and stability
Parameter Value
Detected Gas Hydrogen Sulfide (H2S)
Repeatability <3% of output value
Measurement Range 0~5 ppm
Linearity of Output Linear
Maximum Measurement Limit 20 ppm
Zero Drift (-20℃~40℃) ≤0.2 ppm
Sensitivity 40-200 nA/ppm
Temperature Range -20℃~50℃
Resolution ≤0.05 ppm
Humidity Range 15%~90% RH, non-condensing
Response Time (T90) ≤50 seconds
Pressure Range Standard atmospheric pressure ±10%
Load Resistance (Recommended) 1kΩ
Lifespan 5 years (in air, 18℃~25℃)

Application

It is widely suitable for the detection of hydrogen sulfide concentration in exhaled gas and ambient gas.

MEMS Breath Gas Sensor

  • MEMS technology, solid structure,highly sensitive to hydrogen sulfide, alcohol, acetone, etc.
  • Small size, low power consumption, fast response & recovery
  • Simple driving circuit, good stability, long life
Part No. GM-512B
Sensor Type MEMSBreath SmellGas Sensor
Standard Encapsulation Ceramic
Detection Gas H2S, Alcohol, and acetone gas
Detection Range 0.5~50ppm (H2S)
Standard Circuit Conditions Loop Voltage VC ≤24V DC
Heater Voltage VH 2.5V±0.1V AC or DC (high temp.)
Load Resistance RL Adjustable
Sensor character under standard test conditions Heater Resistance RH 80Ω±20Ω (room temperature)
Heater consumption PH ≤50mW
sensitive materials resistance RS 10KΩ~100KΩ(in 5ppmH2S)
Sensitivity S R0(in air)/Rs(in 5ppmH2S)≥2
Standard test conditions Temp. Humidity 20℃±2℃;55%±5%RH
Standard test circuit VH: 2.5V±0.1V (high temp.) VC: 5.0V±0.1V

Application

Applied to Mini Breath Detector

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