Taking Measurements - Hach ORBISPHERE 3658 Manuel D'utilisation Simplifié

Calibrates the analyzer against a reference sample. This button can be locked out from
the Hach 3658 PC program
Stores a measurement value into memory
Backlights the LCD for approximately three minutes. Push repeatedly to increase the
backligth to the maximum value and back to minimum.
Toggles between gas concentration and temperature measurement displays in
measurement mode, increases or decreases the storage number during storage or
memory view, or sets a calibration value during calibration
You can access other instrument functions by pushing one of the following keys while also pressing
the power button:
Selects dissolved or gaseous measurement phase. Refer to
on page 16.
Start automatic data acquisition. Refer to
Start memory storage view .Refer to
Starts continuous purge mode. Refer to
Display program identification information
Once you have completed the installation and start-up procedures defined in
the analyzer can be operated independently, making measurements as a portable carbon dioxide
gas analyzer.
You may store these measurement values for later analysis via the Hach 3658 program (on your
personal computer) or the memory view mode (on the instrument). The Hach 3658 program
operation is described in detail throughout the manual, where relevant.

4.2 Taking measurements

To start the analyzer, press the POWER switch (located bottom left of the keyboard). When you turn
power on, the instrument displays the software version number briefly, and then starts a series of
start-up tests. This process should take only a few minutes, during which time a [tSt] message is
10 English
Automatic data acquisition
Viewing stored measurements
Continuous purge
Gas measurement phase
on page 11.
on page 12.
on page 25.
Installation on page 6,