DS21 Differential pressure measuring and switching device

  •  DS21
  •  DS21

Main Features

  • Switching outputs 1 or 2 micro-switches with 1-pin changeover contact.
  • Anzeige Indicator with measurement scale
  • Rated pressure of themeasuring system 25 bar

About

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Technical Data

Product Code DS21
Designation Differential pressure measuring and switching device
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, Cable connector screw terminal up to 1.5 mm2 with wire protection Contact material Ms nickel-plated Cable screw connection M20 x 1.5, Number cable 4 x 0.75 mm2 YSLY-JZ strand end with clip, wire ID 1,2,3, green/yellow
Media temperature -10 °C … +85 °C *
Ambient temperature -10 °C … +70 °C
Process connection Inner thread G¼ Cutting ring screw connection in steel for 6, 8, 10, 12 mm pipe Cutting ring screw connection in stainless steel 1.4571 for 6, 8, 10, 12 mm pipe
Material Aluminium Gk-AlSi10Mg, painted black Aluminium Gk-AlSi10MG with HART-COAT© Surface protection CrNi steel 1.4305
Protection IP 55 or IP 65 in compliance with DIN EN 60529
Assembly Wall mounting Mounting the control panel

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