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How to choose a suitable dew point instrument to optimize the quality of compressed air
Date: 2025-12-16Read: 10

如何选择合适的露点仪器,以实现压缩空气质量的优化


We can help you easily measure the quality of dry compressed air, and Vaisala offers a variety of ideal instruments for different applications.

Vaisala sensor technology can cover the entire dew point range, and optimized instruments using these technologies can be used in almost all compressed air systems. No matter what the critical dew point of your system is, whether you are a demand side or a supply side, or if you have special application and instrument requirements. Extending the service life of compressed air systems, improving process quality, and reducing costs is easier than ever before.


Vaisala DRYCAP ® And HUMICAP ® Sensor technology ensures accurate and reliable measurements, as well as good long-term stability and rapid response. All Vaisala sensors are resistant to pollutants such as water splashes, environmental humidity, compressor oil, and chemical impurities. They also have the advantages of quick response time from wet to dry and minimal drift, with calibration intervals of up to 2 years. DRYCAP ® Polymer sensors have automatic calibration function. This automatic calibration function indicates potential drift to the measuring electronic device through regular heating of the sensor for automatic offset correction, thereby maintaining the required accuracy.


如何选择合适的露点仪器,以实现压缩空气质量的优化
DM70 handheld device suitable for spot checks and on-site calibration

Dewpoint meter -70...+60 ° C Td, with an accuracy of ± 2 ° C

Quick response - only takes a few minutes

• Easy to use

Multi language menu (EN, DE, ES, FI, FR, JA, RU, SV, ZH)

• Data recording and transmission to computer via MI70 Link software

• Compatible with DMT132, DPT146, DMT143, DMT242, DMT152, DMT340


如何选择合适的露点仪器,以实现压缩空气质量的优化
DMT143 and DMT143L (long) suitable for dryer applications

70 . ...+30 ° C Td, with an accuracy of ± 2 ° C

Small size, suitable for compact industrial dryer applications

• Stable and economically efficient

Trigger LED alarm when dew point level is exceeded

• Pressure up to 50 bar

•DRYCAP ® Sensor Technology