Hf-scientific MicroTOL Online Turbidimeter Uživatelský manuál stáhnout pdf (Strana 30)

MICRO TOL (5/10) 24

Rev. 4.8

7.15 Desiccant Alarm

When the humidity detector in the Micro TOL 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:

• Activate the alarms relays.

• 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 Configuring the Alarms).

To activate an alarm condition on the 4-20 mA set the ERLV to one of the three alarm

states (see section 7.3 Configuring the Error Level)

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 t and u buttons then press the ↵ button

to move to 4-20 mA calibration.

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Hf-scientific MicroTOL Online Turbidimeter Uživatelský manuál Strana 30