Start-Up; Operation - HACH LANGE senslON Manual Del Usuario

Figure 8 EC5 screen display
1 Data transfer icon
2 Measurement units
3 Temperature
4 Battery indicator
Navigation
Use the calibrate key to calibrate the probe. Use the measure key
to take a sample measurement. Use the arrow keys
other options or to change a value. Use the datalog key
view data or to send data to a computer.
Some options require that a key be pushed and held or that multiple
keys be pushed at the same time. Be sure to look at the display during
tasks as the screens change quickly. Refer to each task for specific
instructions.
5 Measurement time (hh:mm:ss)
6 Measurement value (conductivity,
salinity, TDS)
7 Reference temperature
to scroll to
to save or

Start-up

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
Polarization time
10 minutes
45 minutes
6 hours
English 9