Endress+Hauser Promag 50 Installationsanleitung Seite 2

Replacing exchangeable measuring electrodes
Confirmation whether the spare part is permitted to be used with the measuring device
The spare parts set and Installation Instructions are used to replace a faulty unit with a functioning unit of the same type. 
Use genuine parts from Endress+Hauser only.
Only original spare parts supplied by Endress+Hauser shall be used with the measuring device. Therefore, before use, check whether
the spare part set is compatible with the measuring device.
A spare parts overview label is located in the connection compartment cover of the measuring device. If there is no label or the spare
part is not listed the appropriate spare part can also be identified via W@M Device Viewer.
How carrying out such a check via W@M Device Viewer is described below:
1. www.endress.com/deviceviewer
2.
Ser. No.:12345
Overview of the personnel authorized to carry out repair
Authorization to carry out repair depends on the approval of the measuring device. The table shows the respective group of persons for each.
NOTICE
The person who carries out the repair is responsible for safety during the work, the quality of work completed and safety of the device 
after repair.
Approval of the measuring device
without approval
with approval (for Ex. IECEx, ATEX, CSA)
1 Trained customer technician
2 Service technician authorized by Endress+Hauser
3 Endress+Hauser (send measuring device back to manufacturer)
2
3.
=
?
4.
A0022408
www.endress.com/deviceviewer
1.
Enter the serial number (Ser. No.), search for product data and click
2.
on „spare parts".
Display of all suitable spare parts.
3.
Check the order number of the spare part.
4.
Does the order number of spare part correspond to the order number in 
the spare part list?
= Yes, the spare part can be used.
= NO, the spare part may not be used.
Group of persons authorized to carry out repair
1, 2, 3
1, 2, 3
Endress + Hauser