Roche cobas b 123 - ISE Sensors

Roche Diagnostics
44 Instructions for Use · Version 13.0
2 General description cobas b 123 POC system
Consumable information
ISE sensors
ISE sensors measure Na
+
, K
+
, Ca
2+
, and Cl
-
electrolyte values.
Figure 2-21 ISE sensor
Na
+
, K
+
, Ca
2+
, Cl
-
sensors These sensors consist of electrolyte-sensitive membranes. Their measurement is
potentiometric.
Reference sensor The reference sensor uses a reference solution, containing a high KCl concentration,
to compare electrolyte concentrations for each sample.
A Cl
-
sensor E Na
+
sensor
B pH sensor (ISE) F Conductivity contact
C Ca
2+
sensor G ISE reference sensor
D K
+
sensor
E
F
C
D
A
B
G