Hach-Lange SENSION+ pH31 - Manual (Page 11)

3. Use the or to select
Option Description
Automatic A consecutive number will be automatically assigned to every
sample.
Manual A keyboard or a barcode scanner is required to enter the
sample ID name before taking a measurement (maximum
15 characters).
Select the data output
Data can be stored or transferred to a printer or to a PC.
1. From the main menu use the or to select SYSTEM. Confirm.
2. Use the or to select Data Output and confirm.
3. Use the or to select
Option Description
Deactivated Select Deactivated if no printer or PC is connected.
For Printer Select Dot matrix printer or Thermal printer.
For Computer Select Terminal, LabCom or LabCom Easy. The LabCom
Software controls several modules, pH and conductivity
meters, automatic burettes, Samplers and so on from a
computer. The LabCom Easy software gets pH and
conductivity data from a PC.
Change the date and time
The date and time can be changed from the Date / Time menu.
1. From the main menu use the or to select SYSTEM. Confirm.
2. Use the or to select Date / Time and confirm.
3. Use the and to advance to the next step and use the or to
change a value. Confirm.
The current date and time will be shown on the display.
Adjust the display contrast
1. From the main menu use the or to select SYSTEM. Confirm.
2. Use the or to select Display contrast and confirm.
3. Use the and to adjust the contrast of the display and confirm.
Adjust the temperature
The temperature measurement can be adjusted at 25 °C (77 °F) and/or
85 °C (185 °F) to increase accuracy.
1. Put the probe and a reference thermometer in a container of water at
approximately 25 °C and allow the temperature to stabilize.
2. Compare the temperature read by the meter with that of the
reference thermometer. The difference is the adjustment value for
the meter.
Example: reference thermometer: 24.5 °C; meter: 24.3 °C.
Adjustment value: 0.2 °C.
3. Enter the adjustment value for the 25 °C reading:
a. From the main menu use the or to select SYSTEM. Confirm.
b. Use the or to select Readjust temp. and confirm.
c. Use the or to select 25 °C and confirm.
d. Use the arrow keys to enter the adjustment value for 25 °C.
Confirm.
4. Put the probe and a reference thermometer in a container of water at
approximately 85 °C and allow the temperature to stabilize.
5. Compare the temperature from the meter with that of the reference
thermometer. The difference is the adjustment value for the meter.
a. Use the or to select 85 °C and confirm.
b. Use the arrow keys to enter the adjustment value for 85 °C.
Confirm.
c. Select Save changes and confirm.
English 11