Hach-Lange SENSION+ MM340 - Manual (Page 9)

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.
Option Description
Cal. frequency Calibration reminder—can be set between 0–7 days
(default daily). The display shows the remaining time to
the new calibration. Refer to
Set the calibration reminder
on page 10 for more information.
Display mV Display mV—select YES or NO to show mV.
Standard 220 mV Standard 220 mV—calibrate with a 220 mV standard
solution
To a X value To a X value—use a specific standard solution. Adjust
the value during the calibration.
Data introduction Data introduction Compensation—enter the
compensation value
Factory adjust Factory adjust—enter the compensation value
Calibration types
Different calibration types can be selected.
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 Calibration type.
Option Description
Technical buffers pH 2.00, 4.01, 7.00, 9.21 and 10.01 at 25 °C
(77 °F)
DIN19266 Buffers pH 1.679, 4.006, 6.865, 7.000, 9.180, 10.012 and
12.454
User Buffers Selected when the technical or DIN19266 buffers
are not used. Refer to
Technical buffer solutions
(DIN 19267) on page 18 for pH values of
specific buffer sets at varying temperatures.
Calibration to a X value To adjust manually any scale value of the
measured pH.
English 9