Section 2 Operation; Operational Controls And Indicators - Hach 2100P ISO Manual

Portable turbidimeter
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SECTION 2 OPERATION

2.1 Operational Controls and Indicators

Key
Description
Power key turns instrument on and off. If no keys are pressed for 5.5
I
minutes, the instrument turns off automatically.
O
Performs a measurement. To conserve battery power, the lamp turns
READ
on only when
seconds after the key is pressed. After the reading is displayed, the
lamp turns off and the reading continues to be displayed. After a
measurement is taken, there is a 4-second recovery time before
another can be started. If
the display will flash but the lamp will not turn on until the recovery
time is complete. If no key strokes occur for 5.5 minutes, the meter
turns off.
Hold this key for continuous reading if the meter is not in the Signal
Averaging mode. After the initial delay, the reading is updated every
1.2 seconds.
is pressed. A reading is displayed about 12
READ
is pressed during the recovery time,
READ
19

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