Hach sensION+ User Manual page 8

Figure 8 EC5 screen display
1 Reference temperature
2 Main measurement units
3 Temperature
Navigation
Use the calibrate key to calibrate the probe. Use the measure key
take a sample measurement. Use the arrow keys
options or to change a value.
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.
8 English
4 Battery indicator
5 Measurement time (hh:mm:ss)
6 Main measurement value
(conductivity, salinity, TDS)
to scroll to other
Start-up
Turn the meter on and off
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
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the
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:
to
Disconnect time
< 5 minutes
5 to 15 minutes
> 15 minutes
N O T I C E
W A R N I N G
Polarization time
10 minutes
45 minutes
6 hours