Delete A Group; Add A Location To A Group; Sizes Function; Data Management - Hach MET ONE 3400 User Manual

Delete a group

1. On the Counter Navigation screen, push GROUP.
2. In the Group Settings Management window, select a group.
3. Push DELETE.

Add a location to a group

1. On the Counter Navigation screen, push GROUP.
2. In the Group Settings Management window, select a group.
3. Push SETTINGS.
4. Push ADD LOCATION.
5. Navigate to the needed location and select it, then push OK.
Note: Push the UP or DOWN arrow to change the order of locations in the Group Settings screen. Refer to
Change the order of locations

Sizes function

If a selected channel has not been calibrated, particle counts will be based on interpolation. A maximum of ± 15%
size error and a ± 30% counter error can occur when samples are taken at an interpolated size point.
The Sizes function is a separate option that must be enabled by the manufacturer. The icon
will not show on the Counter Navigation screen if this option has not been purchased. Customized
channel sizes can be selected at time of order.
With the Sizes function enabled, the particle counter can be configured for the particle sizes that
*
follow :
• 0.3 to 10-μm range: 0.3, 0.4, 0.5, 0.7, 0.8, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0 and 10.0
• 0.5 to 25-μm range: 0.5, 0.6, 0.7, 0.8, 1.0, 2.0, 3.0, 5.0, 7.0, 10.0, 15.0 and 25.0
Note: Channel sizes 0.3 µm and 25.0 µm cannot be configured together.

Data management

Store partial data

Data can be collected from sample measurements that have been stopped by a user or by a flow
error.
1. On the Counter Navigation screen, push SYSTEM.
2. Select the Custom tab.
3. Select the STORE PARTIAL DATA checkbox.

Manage the data buffer

The data buffer allows the data to be preserved or overwritten. In addition, the size of the buffer can
be changed and data can be cleared from the buffer.

Set the data buffer to rotate data

The default buffer setting is fixed. In this setting, no new data can be added to the buffer when it is
full. When the buffer is set to rotate, new data can be added to a full buffer, while the oldest data
record is deleted.
*
Assumes 8-channel option is enabled
28 English
on page 26 for more information.
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