Hach Lange SensION+ MM 378, Руководство пользователя

Страница: 14 / 520

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. Select Channel 1 or Channel 2 and confirm.
d. Use the or to select 25 °C and confirm.
e. Use the arrow keys to enter the adjustment value for 25 °C.
Confirm.
Option Description
Channel 1 Select Parameter 1 or Parameter 2 . Parameter 1 the
temperature is measured by the pH probe. Parameter 2 the
temperature is measured by the conductivity cell.
If one of the parameters is not used, the meter automatically
assigns the temperature of the other parameter. If no A.T.C. is
detected, the temperature value must be entered manually
Channel 2 The temperature for Channel 2 is measured by the DO probe or
manually entered.
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.
Change the stirring settings
The stirring speed can be changed during calibration and during a
measurement.
1. Use the or to change the stirring speed during calibration and
during a measurement.
Turn the stirrer on or off
The stirrer 1 works with Channel 1 and 2 (Stirrer 1). A second stirrer can
be connected to channel 2 (Stirrer 2). For the stirrer 2 activation refer to
the following steps.
1. From the main menu use the or to select SYSTEM. Confirm
with .
2. Use the or to select Stirrer N.2 and confirm with .
3. Use the or to select YES to turn the stirrer 2 on.
Note: Select NO to turn the stirrer 2 off.
Change the temperature units
The temperature units can be changed to Celsius or Fahrenheit.
1. From the main menu use the or to select SYSTEM. Confirm.
2. Use the or to select Temperature units and confirm.
3. Use the or to select between Celsius or Fahrenheit and confirm.
Data logger
Display data
The Display data log contains Measurement data, Electrode report and
Calibration data. The stored data can be send to a printer or to a PC.
When the data log becomes full (400 data points), the oldest data point
is deleted when a new data point is added.
1. Use the and to select Channel 1 or Channel 2 and confirm.
2. From the main menu use the or to select DATA LOGGER and
confirm.
3. Use the or to select Display data and confirm.
4. Use the or to select
Option Description
Measurement data Measurement data—stores automatically each time a
sample is measured
14 English