Balometer DBM620 | Balometer DBM620 Sauermann

The balometer DBM 620 is a specific flow meter for measuring the flow rate of the air leaving or entering a ventilation outlet within the airflow system of a building. Some balometers can also measure the temperature and relative humidity of the air stream along with its flow rate, as well as the atmospheric pressure of the room.

Modern balometers measure the velocity and flow rate of an air stream using a differential pressure measurement system, which is very reliable and accurate for this type of application. This technique uses a measuring grid with many holes through which the pressure is measured in comparison to the atmospheric pressure, and provides an average flow rate over the entire measuring area.

Air Changes per Hour (ACPH) metric is the first of its kind to be included in a Balometer
Easily swap between 5 different hood configurations
SmartKap App allows for easy reading and export of data
Also functions as autonomous micromanometer with Pitot tube attachment
Lighter and smaller than previous models
Extendable tripod eliminates the need for ladders in most environments






Measuring range : From 40 to 3500 m3/h
Accuracy : 3% of the measurement ±10 m3/h
Resolution : 1 m3/h


Measuring range : From 0.2 to 10 m/s
Accuracy : ±3% of the measured value ±0.04 m/s
Resolution : 0.01 m/s up to 3 m/s and 0.1 m/s abov

TEMPERATURE (on the base)

Measuring range : From 0 to 50°C
Accuracy  : 2% of the measured value ±0.1 °C
Resolution : 0.1°C

TEMPERATURE THERMOCOUPLE (on the micromanometer)

Thermocouple type : K, J, T, S
Measuring range
K : from -200 to 1300°C
J : from -100 to 750°C
T : from -200 to 400°C
S : from 0 to 1760°C
Accuracy  : K, J, T : from -200 to 0 °C : ±0.4°C ±0.3 % of reading
from 0 to 1300 °C : ±0.4°C S : ±0.6 °C
Resolution : 0.1°C


Measuring range : From -2500 to +2500 Pa
Accuracy  : ±0.2% of reading ±2Pa
Resolution : From 0.001 to 0.1 Pa



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