Hach-Lange SENSION+ pH31 - Manual (Page 8)

Figure 4 Single screen display
1 Sample ID 4 Sample temperature (ºC or ºF)
2 Measurement unit and value (pH,
ORP (mV))
5 Visual measurement timer
3 Measurement mode or time and
date
Navigation
Use the to return to the previous menu. Use the measure key to
take a sample measurement or to confirm options. Use the arrow keys
to scroll to other options or to change a value. To change the
parameters use the arrow keys and . Refer to each task for specific
instructions.
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 to turn on or turn off the meter. If the meter does not turn on,
make sure that the AC power supply is properly connected to an
electrical outlet.
Change the language
The display language is selected when the meter is powered on for the
first time.
1. Use the or to select a language from a list.
2. Confirm with . The measurement screen shows DATA OUTPUT.
3. Select Deactivated if no printer or PC is connected and confirm.
Refer to Select the data output on page 11 for more information
about Data Output.
Standard operation
Calibration
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.
Calibration settings
The calibration settings contain Calibration type, Calibration frequency
and Display options.
1. From the main menu use the or to select CALIBRATION.
Confirm.
2. Use the to enter the calibration menu.
3. Use the or to select the following options:
Option Description
Stability C.: Criterion by stability—select Fast, Standard or Strict.
Calibration type Calibration type—select Technical buffers,
DIN19266 Buffers, User Buffers, To a X value, data
introduction or Theoretical calibration. Refer to
Calibration types for more information.
8 English