14.2 SITRANS P320/P420 for differential pressure, gauge pressure, flow
and absolute pressure from the differential pressure series
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DSSUR[
PLQ
① Electronics side, display
(longer for cover with glass pane)
1)
② Connection end
③ Electrical connection:
●
M20 x 1.5 gland
●
½-14 NPT gland
● Han 7D/Han 8D plug
2) 3)
● M12 connector
2)3)
④ Harting adapter
⑤ Cover over buttons and nameplate with general information
⑥ Blanking plug
⑦ Safety catch
(only for "flameproof enclosure" type of protection)
⑧ Lateral ventilation for liquid measurement (standard)
⑨ Lateral ventilation for gas measurement (order option "K85")
⑩ Mounting bracket (optional)
⑪ Sealing plug, with valve (optional)
⑫ Process connection:
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/
4
-18 NPT (EN 61518)
1)
In addition, allow approx. 22 mm (0.87 inch) for the thread length when removing the covers
2)
Not with "flameproof enclosure" type of protection
3)
Not for "FM + CSA [IS + XP]" type of protection
Dimension drawings
14.2 SITRANS P320/P420 for differential pressure, gauge pressure, flow and absolute pressure from the
differential pressure series
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC 245
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