Инструкция для HACH-LANGE SENSION+ MM340

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2. Use the to change the following settings. Confirm every entry.

Option

Description

Resolution

Select the resolution: 1, 0.1, 0.01 (default) or 0.001

Measure

Stability—select By stability Criterion: Fast (variation <
0.02 pH in 6 s), Standard (variation < 0.01 pH in 6 s) or Strict
(variation < 0.002 pH in 6 s). In continuous—enter the time
interval for the In continuous Acquis. interval (data storage or
printing data). By time—enter the time interval for data storage
or printing data.

Display mV Display mV—select YES or NO to show mV.

Limits

Limits—select YES or NO. YES: Enter the upper and lower
limits. An acoustic warning appears when the measurement is
out of limit. The report output shows an A next to the
measured value when the measurement was out of limit.

Isopotential Isopotential—change the Isopotential pH value in Data

introduction. Select Calculate to calibrate the probe again.

3. Push to start the measurement.

Note: If the measurement is not stabilizing after 120 seconds, the meter turns
automatically into the continuous measurement mode.

Advanced operation

Change the measurement units

The measurement units can be changed individually for each channel.

1. From the main menu use the or to select SYSTEM. Confirm.
2. Use the or to select Measurement units and confirm.
3. Select Channel 1 or Channel 2 and confirm.
4. Select ORP (mV), pH or ISE and confirm.

Use a sample ID

The sample ID tag is used to associate readings with a particular sample
location. If assigned, stored data will include this ID.

1. From the main menu use the   or   to select SYSTEM. Confirm.
2. Use the   or   to select Sample ID and confirm.
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.

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