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Vacuum gauges DVR 3

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Keterangan Produk


The DVR 3 is a fully electronic vacuum gauge with ATEX approval for use in areas with potentially explosive atmospheres (ATEX category 2). The DVR 3 has an integrated vacuum sensor made of alumina ceramic with outstanding corrosion resistance and superior long-term stability. A particular advantage is its cordless, battery-powered operation. Its simple operation and the combined digital / analog vacuum reading for precise readout and quick trend detection, respectively, make the DVR 3 very versatile.

Performance features

  • large analog and digital vacuum display
  • mains independent power supply unit BVE 9V, with ATEX approval, mercury and cadmium free
  • enhanced battery life due to automatic shutdown and variable sampling rate
  • high reliability, low emission level near detection limit, high degree of immunity to electromagnetic interference for use in industrial environments
  • capacitive alumina ceramic diaphragm vacuum sensor with excellent chemical resistance, accuracy and long term stability

Technical data

Technical dataUnit
II 2G Ex ia IIC T4
Upper measuring limit mbar/torr 1080 / 810
Lower measuring limit mbar/torr 1 / 1
Measurement principle
Ceramic diaphragm (alumina), capacitive, gas indep., absolute pressure
Measurement uncertainty
< +- 1 mbar/hPa/torr / +- 1 digit (after adjustment, constant temp.)
Temperature coefficient
< 0.07 mbar/hPa/0.05 torr /K
Ambient temperature range (operation) °C 10 - 40
Ambient temperature range (storage) °C -10 - 60
Max. media temp. for continuous operation °C 40 / 80
Automatic switch-off
User-selectable: 1-1000 min (default 15 min) or continuous operation
Measurement cycle
User-selectable: Automatic or 1 x per 3s, 1 x per 1s, 3 x per 1s
Material of outer housing
Robust plastic housing (conductive) with good chemical resistance
Degree of protection
IP 40
Power supply
Power supply unit BVE 9 V, ATEX - certification II 2G EEx ia IIC T5
Typical battery lifetime
8.000 h, stand-by: 40.000 h
Dimensions (L x W x H) mm 116 x 116 x 66
Weight kg 0.43
CE mark

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