Teledyne Analytical Instruments LXT-380, Instructions Manual

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LXT-380 Universal Transmitter Operation
Teledyne Analytical Instruments
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3.2.6 FAULT SCREENS
3.2.7 SENTINEL
®
SCREENS
The SENTINEL feature allows the Model LXT-380 transmitter to
provide Pre-pHault diagnostic information about the accuracy of a pH,
ORP or pION measurement. The SENTINEL displays a filled triangular
gauge that decreases proportionally to the degradation of the reference
electrode. A filled gauge indicates a properly functioning measurement
while the emptying gauge indicates the remaining life of the electrode.
This Pre-pHault diagnostic alerts the user to potential problems and
provides a visual indicator of the sensor’s remaining life before the
measurement actually fails.
The Model LXT-380 transmitter only displays the SENTINEL
functions when a Model SP3X SENTINEL sensor is connected. The
Model SP3X SENTINEL sensor uses Diagnostic electrodes designated
by Part #’s 20053XX, these electrodes use a triaxial connector with a,