PST Michell Instruments Liquidew I.S., Руководство пользователя

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Liquidew I.S. User Manual
34 97092 Issue 5.3, September 2021
OPERATION
3.4 Main Reading Page
The Main Reading Page is the default screen shown after turning the instrument on. It
will display the units of measurement selected by the user (see Section 3.2.2).
3.5 Liquid Set-Up
The saturation concentration
C
S
values of the sample liquid need to be specified for
calculation from the measured water dew point (°C/°F), and the sample temperature
(°C/°F), to the moisture content (ppm
W
) using Henry’s Law. With the Liquidew I.S. there
is a list of liquids with pre-set
C
S
values for calculation. Solubility data for 8 solutes are
pre-programmed, plus two selections for user-configured
C
S
values to be entered, and
one possibility to set a mixing ratio of two of the 8 pre-set and two configurable solutes.
Liquid Name Displayed Name
Butane N-BUTANE
Propane N-PROPANE
Hexane N-HEXANE
Benzene BENZENE
Toluene TOLUENE
Propylene PROP-1-ENE
Isobutane I-BUTANE
Butadiene 1,3 BUTADIENE-1-3
User 1 USER 1
User 2 USER 2
Mixing MIXING
Table 1 Liquid List
3.5.1 Liquid Selection
From the Main Reading Page, press the Menu key to enter the main menu. The first
setting option is:
L I Q U I D
S E T U P
Press the Select key to enter this sub menu. The display will show the name of the
currently selected liquid. The factory default setting is Butane. The full name of the
liquid will scroll across the bottom line of the display.
N - B U T A
N - B U T A N E
a. Change the selection by scrolling through the liquid list using the

and

keys.
b. When the desired liquid is shown on the display, press the
Select
key to
confirm. The display will then return to the Main Reading Page and the
calculations will then be based on the selected liquid.
NOTE: The next time the ‘LIQUID SETUP’ sub menu is entered it will go directly
to the currently selected liquid.