Инструкция для HACH-LANGE SENSION+ MM340

(скачивание инструкции бесплатно)

Формат файла: PDF

Доступность: Бесплатно как и все руководства на сайте. Без регистрации и SMS.

Дополнительно: Чтение инструкции онлайн

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. Select Channel 1 or Channel 2 and confirm. The temperature for

channel 1 is measured by the conductivity cell and channel 2 is
measured by the pH probe. If no Conductivity cell is connected,
the temperature value must be entered manually or the
temperature measured in channel 2 can be applied to the meter.

d. Use the or to select 25 °C and confirm.
e. 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.

Change the stirring settings

The magnetic stirrer can be turned on and the stirring speed can be
changed in the Stirring menu.

1. From the main menu use the   or   to select SYSTEM. Confirm.
2. Use the   or   to select Stirring and confirm.
3. To turn on/off the stirrer push  .
4. When the stirrer is turned on, use the   or   to change the stirring

speed in %.

Note: 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.

12 English