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MFM2040U Digital Gas Flow Sensor

Post Date:

2019/01/22 17:28:21

Expired Date:

2019/04/22 23:59:59

Trade Leads Category:

Flow Sensors

Company Info

Shenzhen Week Technology Ltd.
Contact Person: Yan Zhang
Address: 16 Floor, Building #3, Zhongke Mansion, Gaoxin South 1St Rd, Hi-Tech Park, Nanshan
State/Province: GUANGDONG
Country/Region: China (mainland)
Zip/Post Code: 518067


MFM2040U Digital Gas Flow Sensor DESCRIPTION
MFM2000 series is a gas flow sensor with low pressure drop capable of measuring medical gases up to 45 lpm. It is configured to be customizable with different flow inlet and outlet configurations.

MFM2040U Digital Gas Flow Sensor FEATURES
• Low Pressure Drop Flow Sensor
• High Accuracy +/-2.5% Reading
• Calibrated and Temperature Compensated for Air
• Low Power Consumption
• Digital I2C
• Made for Medical Applications 
• Calibrated for Air, and O2

MFM2040U Digital Gas Flow Sensor FLOW PERFORMANCE
Measurements performed with air at 23°C, 1 Atm, 50% RH, at 3.3V DC power supply, unless otherwise specified. Calibration conditions for standard liters per minute slm: 20°C, 1013mbar.

Parameter Condition Min Typical Max Unit
Flow Range Calibration gas: Air 0.04   40 SLM
Calibrated Temperature Range   0   50 °C
Operating Temperature Range   -40  10 85 °C
Storage Temperature Range   -40    105 °C
Accuracy 25ºC +/-2ºC   +/-2.5   % Reading
Temperature Error 0-50ºC   +/-2.5   reading/°C
Resolution I2C   15   bit
Sampling Time     7.5   ms
Power Consumption
@ Recommended Heater
Power at zero Flow
    7.0 mA
PD     650 uA
Pressure Drop Max flow without mesh     60 Pa
Max flow(with mesh screen)     200 Pa
Operating Pressure Range Absolute 0.7   1.3 Bar
Operating Overpressure Absolute   +/-0.2   Bar
Averaging 10 frames running window averaging
Wetted Materials
PES (Medical grade: biocompatible; ISO 10993 or USP Class VI), FR4, Silicon
Nitrite, Silicon, Epoxy, Gold.
Standards RoHS, REACH, ISO15001, ISO10993-1, ISO10993-5,UL94 V0, IEC

Parameter Condition Min Typical Max Unit
Supply DC Voltage DC 2.7 3.3 5.5 V
Power Consumption
@ Recommended Heater Power at
zero Flow
    7.0 mA
PD     650 uA
Data format Scaling Factor
User read count value from register 0,
then multiply by 1.25 to get actual
flow rate in sccm.
1.25 sccm

Specification Condition Min Typical Max Unit
Burst Pressure Over ambient 1     Bar