wtw NitraLyt NOA, Руководство по эксплуатации, Страница: 7 / 10

NitraLyt
®
NOA; NitraLyt
®
NOA/AT Maintenance
17 ba75408e04 12/2005
Maintenance
In the case of increased response times or drifting measured values,
store the electrode in the standard solution ES/NO3_ISA-50 (ordering
information, see section A
CCESSORIES
) for several hours.
Subsequently, recalibrate.
Cleaning
Storage
1 to 2 days Attach the wet cap to the combined electrode with the exchange
electrode screwed in. Before doing so, wet the foam padding in the wet
cap with ES/NO3_ISA-50 standard solution (ordering information, see
section A
CCESSORIES
).
More than two days Uninstall the exchange electrode and store the components as follows.
Reference electrode:
Screw in the blind plug, wet the foam padding in the wet cap with
deionized water and plug on the wet cap.
Exchange electrode:
Screw the exchange electrode into the nut up to the stop. Before doing
so, wet the foam padding in the watering cap with ES/NO3_ISA-50
standard solution (ordering information, see section A
CCESSORIES
).
Subsequently, plug the exchange electrode into the wet watering cap.
Contamination Cleaning
Coarse contamination on the
junction of the NitraLyt
®
NOA
reference electrode
Carefully brush off contamination
under running water using a soft
toothbrush.
Contamination on the
membrane of the
NitraLyt
®
NOA/AT exchange
electrode
Splash the electrode with water.
Remove coarse contamination using
a soft toothbrush under running
water.