Aquametrix AM-TBR Turbidimeter User Manual - Manual (Page 30)

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7.15. Desiccant Alarm
When the humidity detector in the AM-TBR indicates that the internal environment is close to the
point where humidity could cause condensation, the instrument will display DESC as a screen
warning.
If desired, a desiccant warning can:
1. Activate the alarms relays.
2. Can activate an alarm condition on the 4-20mA.
To activate the alarm relays when the desiccant fails, select set one or both alarms to Error (see
section 7.5).
To activate an alarm condition on the 4-20 mA set the ERLV to one of the three alarm states
(see section 7.3)
For either alarm modes to activate On must be selected in the DESC menu. The default for this
menu is OFF. Make selections using the and buttons then press the ↵ button to move to 4-
20 mA calibration.