Key facts
- Brand
- SENSIRION
- Model
- CMOSens EM1
- Category
- Other Electronics
- Industry
- Industrial
- Documents
- 3
- Languages
- EN · ZH
- Last added
- 2012-05-02
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Sensirion CMOSens EM1 Mass Flow Meter User Manual
The CMOSens EM1 is a gas mass flow meter based on Sensirion's CMOSens® sensor technology. It offers a wide measurement range, fast response, and integrated temperature compensation for accurate gas flow measurement in industrial and laboratory applications.
The manual covers product overview, technical specifications, electrical interfaces (RS‑232 and SPI), configuration commands, safety guidelines, mechanical dimensions, ordering information, and regulatory compliance. It guides users through installation, wiring, calibration, and operation of the device. This manual is written in Chinese.
Sensirion CMOSens EM1 specifications
| Flow range | 0.05 l/min up to 200 l/min |
|---|---|
| Accuracy | 3% m.v. with 1:100 dynamic range |
| Supply voltage | 7 to 18 VDC |
| Electrical output | RS232 / SPI |
| Maximum operating pressure | 8 bar (116 psi) |
| Temperature sensor range | 0-60 °C / 32-140 °F |
| Operating temperature (ambient/gas) | 0-50 °C / 32-122 °F |
Source: Sensirion CMOSens EM1 Mass Flow Meter for Gases Datasheet
All Sensirion CMOSens EM1 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What flow range does the Sensirion CMOSens EM1 cover?
One single device covers a range of 0.05 l/min up to 200 l/min, depending on the type.
From: Sensirion CMOSens EM1 Mass Flow Meter for Gases Datasheet
What interfaces does the EM1 provide?
Mass flow and temperature data are accessed through an RS232 or SPI interface.
From: Sensirion CMOSens EM1 Mass Flow Meter for Gases Datasheet
Which digital interfaces are available on the EM1?
The device provides both RS‑232 and SPI digital interfaces for data and temperature readout.
What is the maximum flow rate this meter can measure?
The device can achieve a maximum flow of up to 200 ln/min.
What voltage range does the mass flow meter require for operation?
The unit requires a supply voltage between +7 and +18 VDC.