Startup; Operation; Setup For Conductivity; Setup For Dissolved Oxygen - Hach sensION+ Manual Del Usuario

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Startup

Turn the meter on and off
N O T I C E
Make sure that the probe is connected to the meter before the meter is turned on.
Push and hold
to turn on or turn off the meter. If the meter does not
turn on, make sure that the batteries are properly installed.
Note: The meter is set to automatically power off after 5 minutes of inactivity to
maximize the battery life.

Operation

W A R N I N G
Chemical exposure hazard. Obey laboratory safety procedures and wear all of
the personal protective equipment appropriate to the chemicals that are handled.
Refer to the current material safety data sheets (MSDS) for safety protocols.
Setup for pH
The meter is ready for pH or ORP calibration without additional setup.

Setup for dissolved oxygen

Before calibration or measurement for dissolved oxygen, the probe must
be polarized and the settings for atmospheric pressure and salinity must
be entered.
Polarize the electrode
If the probe or batteries are disconnected, connect the probe or install
the batteries and wait for polarization:
Disconnect time
< 5 minutes
5 to 15 minutes
> 15 minutes
10 English
Polarization time
10 minutes
45 minutes
6 hours
Change the settings
The settings for dissolved oxygen measurements can be changed when
a dissolved oxygen probe is used. Push
1. Push
. The first setting is shown.
2. Quickly use the arrow keys to change the value. Wait for the next
setting to be shown and change any additional values:
Option
Description
Atmospheric pressure in mbar (default: 1013 mbar)
SAL
Salinity in g/L NaCl (default: 0 g/L)
Aut: automatic (only in model MM156)
SEn
Select the DO sensor model: 5120 or 5130
Note: The salinity value can be found from a conductivity measurement. Refer
to
Table 3
on page 17.

Setup for conductivity

The settings for conductivity measurements can be changed when a
conductivity probe is used. Push
1. Push
. The first setting is shown.
2. Quickly use the arrow keys to change the value. Wait for the next
setting to be shown and change any additional values:
Option Description
CEL
Electrode type: platinum (default) or titanium.
Note: This option is not available on all meters.
CAL
The number of standards for conductivity calibration. Select one
standard (default). Select the standard nearest to the expected
measurement range.
tC
Temperature compensation: 0 to 9.99%/°C (default: 2%/°C)
tr
Reference temperature: 20 or 25 °C (default: 25 °C)
F
TDS calculation factor: 0.01 to 4.44 (default: 0.64)
to view the current settings.
to view the current settings.

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