KROHNE OPTISENS PH 8390 EN - Manual (Page 36)

5
SERVICE
36
OPTISENS PH 8390
www.krohne.com 03/2012 - 4001930601 MA OPTISENS PH 8390 R01 en
The following figure shows the aging effects:
5.2 Spare parts availability
The manufacturer adheres to the basic principle that functionally adequate spare parts for each
device or each important accessory part will be kept available for a period of 3 years after
delivery of the last production run for the device.
This regulation only applies to spare parts which are subject to wear and tear under normal
operating conditions.
5.3 Availability of services
The manufacturer offers a range of services to support the customer after expiration of the
warranty. These include repair, maintenance, technical support and training.
Figure 5-1: Aging effects of electrode
1 Horizontal shift of slope
2 Vertical shift of slope
3 Decrease of slope
INFORMATION!
The life time of a pH electrode can lie anywhere between 6 weeks and 2 years. The life time
expectation depends heavily on the application. The right choice of the electrode type is very
important.
INFORMATION!
For more precise information, please contact your local representative.
.book Page 36 Monday, March 19, 2012 1:52 PM