Vaisala MGP261, Руководство пользователя

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2. In the Settings dropdown menu (upper right corner of the main view), select Unit
Settings .
3. Select the units for the parameters and store the selections with Save .
6.5 Wet Basis and Dry Basis Measurement
Parameters
MGP261 methane, carbon dioxide, and water vapor measurements can be shown either as wet
basis or dry basis values. The wet basis / dry basis measurement output selection is made
when ordering the probe, and can be configured with Vaisala Insight PC software or Modbus.
The following formula shows the conversion between wet basis and dry basis values.
X dry =
X wet
100 % ‐ H2O
where:
X(dry) gas concentration (dry basis) (%)
X(wet) gas concentration (wet basis) (%)
H
2
O gas concentration (wet basis) (%)
Figure 20 (page 42) shows the analog output configuration options in Vaisala Insight
Software with the available output parameters.
Figure 20 Output Parameter Selections in Vaisala Insight PC Software
MGP261 User Guide M212273EN-A
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