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Les langues disponibles
Les langues disponibles
RN221N
6
Maintenance
No special maintenance work is required on the device.
7
Return
The measuring device must be returned if it is need of repair or a factory calibration, or if the
wrong measuring device has been delivered or ordered. Legal specifications require Endress
+Hauser, as an ISO-certified company, to follow certain procedures when handling products
that are in contact with the medium.
To ensure safe, swift and professional device returns, please refer to the procedure and
conditions for returning devices provided on the Endress+Hauser website at
http://www.endress.com/support/return-material
8
Disposal
The device contains electronic components and must therefore be disposed of as electronic
waste. Comply with local disposal regulations.
9
Technical data
The unit creates a safe galvanic isolation between all current circuits.
9.1
Input
Power supply, nominal
16.7 V ±0.2 V (at I = 20 mA)
Endress+Hauser
U/I diagram
25,0
22,5
20,0
16,7
15,0
4 5
0
Loop current (mA)
15
10
20
Maintenance
25
A0031205-EN
19
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