Thermohygrometer BZ20M

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BZ20M thermohygrometer

Perfect climate control in cross-needle design

You'll find it hard to find a quicker and simpler way to control indoor climate values. And hardly a prettier solution, either – it is a treat for the eyes... The thermohygrometer BZ20M is surrounded by a high-end stainless steel housing. With a diameter of 130 mm and the special scale design it can be easily read even at a larger distance.

Thanks to the ingenious needle arrangement you can tell by one look when the climate values are within the optimum range. For as long as the pointers for room temperature and humidity cross above the field marked in grey, your room climate is just perfect.

The measuring device BZ20M is the first choice whenever an equally precise and quick check of an healthy indoor climate is required; such examples include office spaces, training and conference rooms or, more privately, living and bedrooms. The humidity measuring range of the hygrometer covers all values between 20 and 100 % RH with a measurement accuracy of ± 3 % RH.

The high quality mechanical measurement technology "made in Germany" speaks for itself, but it also says something for the thermohygrometer BZ20M: The mechanism is employed to measure the change in length of a specially pre-treated synthetic fibre that expands in humid conditions and contracts when it is dry. The length variation is converted into a rotary motion using levers and axes and visualized by means of a needle. The display of the maintenance-free hygrometer can easily be calibrated and amended by way of a zero correction.

Another convincing argument for the reliability of the measuring device with cross-needle design is its bi-metal thermometer. The figures clearly speak in favour of the BZ20M as well: In the temperature measuring range between -10 and 40 °C it captures values with a measurement accuracy of merely ± 2 °C. 

A few practical benefits:

  • High-quality mechanical measurement technology "made in Germany"
  • Special cross-needle scale design
  • Simple readability allowing a quick interpretation of the measured values
  • Incl. calibration option

Application examples from practical experience:

BZ20M – used at the office
BZ20M – used in the library
BZ20M – application in a hotel

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Details

Technical data
General information
  Article number 3.510.205.013
Air temperature [°C]
  Min. measuring range [°C] -10
  Max. measuring range [°C] 40
  Resolution [°C] 1
  Accuracy ± [°C] 2
  Accuracy [°C] 2
Air temperature [°F]
  Min. measuring range [°F]
  Max. measuring range [°F]
  Resolution [°F]
Relative humidity (%)
  Min. measuring range [%] 20
  Max. measuring range [%] 100
  Resolution [%] 2
  Accuracy ± [% RH] 3
  Accuracy -10 °C - 40 °C - 20 % - 100 % [%] 3
Housing design
  Stainless steel
Surrounding conditions
  Operation - min. temperature [°C] -20
  Operation - max. temperature [°C] 50
  Operation approx. - max. relative humidity (non-condensing) [%] 100
  Storage - min. temperature [°C] -20
  Storage - max. temperature [°C] 50
  Storage - max. relative humidity (non-condensing) [%] 100
Standard scope of delivery
Standard scope of delivery
  Device
  Operating manual
Ascertainable measured values and functions
Functions and features
  Measurement of air temperature and relative humidity

 Serienausstattung

 optional erhältlich

 nicht verfügbar

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