DS21-H

  •  DS21-H
  •  DS21-H

Main Features

  • The unit is suitable for operation in potentially explosive areas
    • Zone 1 and 2 – Risk from vapours
    • Zone 21 and 22 – Risk from dust
  • The DS21 can be supplied with the following different pressure chambers:
    • Aluminium
    • Stainless steel 1.4305

About

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Technical Data

Product Code DS21-H
Brand Fischer
Measuring range ≥ 200 mbar, ≤ 6000 mbar, Differential pressure
Product category Differential Pressure Switch
Accuracy @ 25℃ typ. 2.5% FS
Output signal 1 Adjustable Microswitch, 2 Adjustable Microswitch
Industry Heat Transfer Oil Systems, Hot Water Systems
Electrical connections Cable socket screw terminal up to 1.5 mm2 with wire protection Contact material Ms gold-flashed Cable screw connection M20 x 1.5
Ambient temperature -10 °C … +60 °C
Material Aluminium Gk-AlSi10Mg, painted black Aluminium Gk-AlSi10MG with HART-COAT© Surface protection CrNi steel 1.4305
Assembly Wall mounting Mounting the control panel Direct mounting

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