Description
The Sauermann DBM 620 is a highly accurate multi-function air balancing hood designed for HVAC professionals. It covers a wide 10 to 1181 liter per second measurement range with an impressive +/- 3% accuracy. The Sauermann DBM 620 is your go-to solution for fast, reliable, and accurate airflow measurements. Whether you’re working with HVAC systems, industrial ventilation, or air distribution, the DBM 620 provides the essential tools to optimize your air balancing efforts and improve energy efficiency.
The DBM 620 housing communicates with the smartphone or tablet via wireless connection. This allows measured values reading and viewing of reports directly on your mobile device screen, via the dedicated SmartKap mobile application.
What Can it Measure ?
- Air velocity
- Air flow
- Atmospheric pressure
- Differential pressure
- Humidity
- Temperature
Key Features
- 10 to 1,181 liters per second air flow measurement range with +/- 3% impressive accuracy
- Measures lower than some competitive hoods on the market
- 30 hours battery life
- Operates off 4 x AA batteries
- Bluetooth connectivity
- SmartKap application allows for easy reading and export of data
- Lighter and smaller than previous models
- Air changes per hour (ACPH) metric which is the first of its kind to be included in an air balancing good
- Measurement units include °F, °C, % RH, Pa, m/s, mbar, l/s, hPa, ft/min, m³/h, inWg, cfm
- Easy to swap between 5 different hood configurations
- Detachable micro manometer for pressure measurements with pitot tube attachment
- Extended tripod eliminates the needs for ladders in most environments
- IP40 rated
- Auto shut off
- Data logging capabilities
- User friendly

The Sauermann DBM 620 is engineered to measure a wide range of airflow, from low to high velocities, and accommodates a variety of grille sizes and shapes. This flexibility makes it ideal for a variety of ventilation applications. Built with high-quality materials, the DBM 620 is tough and reliable, designed to withstand the rigors of everyday use in the field. Whether you’re working in a commercial building or an industrial setting, this unit is built to last.
Why Choose the Sauermann DBM 620?
When it comes to achieving perfect air balance in ventilation systems, precision is paramount. The Sauermann DBM 620 delivers high-performance measurement capabilities combined with ease of use, making it an essential tool for HVAC professionals, engineers, and technicians. Whether you are balancing airflows, verifying system performance, or troubleshooting airflow issues, the DBM 620 is the perfect tool for the job. With its blend of accuracy, durability, and convenience, you can count on it to deliver the results you need, every time.










