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¬
Alarm LED
The Alarm LED provides visual indication of when the control limit has been
exceeded. The control limit can be set for a “too high” or a “too low” alarm.
See section 0.
-
Limit Control
Adjust this control to the Dissolved Oxygen value at which the Alarm LED
and (optional) relay output are activated. See section 0.
®
Zero Calibrate Control
Adjust this control to calibrate the
mini
CHEM
-DO
2
in an Oxygen-free
solution. See section 4.1.
¯
Span Calibrate Control
Adjust this control to calibrate the
mini
CHEM
-DO
2
in air, or against a
Winkler titration. See section 4.1.
°
Function Switch
The Function Switch is used to select the mode of operation. See section 2.
±
Display Window
The
mini
CHEM
-DO
2
has a large, easy to read LCD display. The units of
measurement are clearly shown in the window beneath the display.
Æ
Terminal Cover
The terminal cover provides easy access to all of the connections, (optional)
relay output fuse, configuration jumpers and user-adjustable trimmers. The
cover is water resistant to IP65.
