DS21 Differential Pressure Switch
DS21 Differential Pressure Switch
DS21 Differential Pressure Switch
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Ordering Code<br />
<strong>Differential</strong> <strong>Pressure</strong><br />
<strong>Switch</strong> <strong>DS21</strong><br />
Range Max. static pressure<br />
# # # 0<br />
�21D<br />
0 . . . 400 mbar 6 bar ............................................ > 8 3 ................................................................> 156<br />
0 . . . 0.6 bar 10 bar ............................................ > 0 1 ................................................................> 015<br />
0 . . . 1 bar 16 bar ............................................ > 0 2 ................................................................> 025<br />
0 . . . 1.6 bar 16 bar ............................................ > 0 3 ................................................................> 035<br />
0 . . . 2.5 bar 16 bar ............................................ > 0 4 ................................................................> 045<br />
0 . . . 4 bar 16 bar ............................................ > 0 5 ................................................................> 055<br />
0 . . . 6 bar 16 bar ............................................ > 0 6 ................................................................> 065<br />
Application<br />
Thermal oil DIN 32727..................................................................................... > T ........................................................................................> T<br />
Hot water / Flow 100........................................................................................ > W ........................................................................................> W<br />
<strong>Pressure</strong> Chamber<br />
Aluminium ............................................................................................................... > A ................................................................................> A<br />
Aluminium HART COAT ® ....................................................................................... > D ................................................................................> D<br />
Chrome-nickel-steel 1.4305.................................................................................... > W ................................................................................> V<br />
<strong>Pressure</strong> Connection<br />
Female thread G1/4.........................................................................................................> 0 1 ................................................................................................> R<br />
Cutting ring fitting of steel for 6 mm tube .......................................................................> 2 0 ................................................................................................> 6S<br />
Cutting ring fitting of steel for 8 mm tube .......................................................................> 2 1 ................................................................................................> 8S<br />
Cutting ring fitting of steel for 10 mm tube .......................................................................> 2 2 ................................................................................................> 10S<br />
Cutting ring fitting of steel for 12 mm tube .......................................................................> 2 3 ................................................................................................> 12S<br />
Cutting ring fitting of 1.4571 for 6 mm tube....................................................................> 2 4 ................................................................................................> 6V<br />
Cutting ring fitting of 1.4571 for 8 mm tube....................................................................> 2 5 ................................................................................................> 8V<br />
Cutting ring fitting of 1.4571 for 10 mm tube....................................................................> 2 6 ................................................................................................> 10V<br />
Cutting ring fitting of 1.4571 for 12 mm tube....................................................................> 2 7 ................................................................................................> 12V<br />
<strong>Switch</strong>ing Elements<br />
1 adjustable microswitch...................................................................................................................> A ........................................................................> K1<br />
2 adjustable microswitches...............................................................................................................> B ........................................................................> K2<br />
Electrical Connection<br />
Prewired terminal box ............................................................................................................................. > K ........................................................................................................> K<br />
GGL approved model, 3 m supply cable H07 RNF ................................................................................ > Z ........................................................................................................> Z<br />
Technische Änderungen vorbehalten • Subject to change without notice • Changements techniques sous réserve<br />
Fischer Mess- und Regeltechnik GmbH • Bielefelder Str. 37a • D-32107 Bad Salzuflen • Tel. +49 5222 9740 • Fax +49 5222 7170 • eMail: info@fischermesstechnik.de • www.fischermesstechnik.de
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