Start-Up & Operation 5 - 10
PN25080
TRIO-WIRL INSTRUCTION MANUAL
Qs
= Standard flowrate [scfh]
Qm
= Mass flowrate [lb/h]
Qv
= Actual volume flowrate [acfhh
Qn
= Normal flowrate [ncfh]
P
oper
= Operating pressure (psia)
P
n
= Operating normal pressure (bars absolute)
P
s
= Operating standard pressure (psia)
ß1
= Volume Expansion Coefficient
3)
ß2
= Density Expansion Coefficient
3)
ρ
0
= Normal density (lbs/ft
3
)
ρ
oper
= Operating density (lbs/ft
3
)
To = Reference temp., oC
Toper = Operating temp., oC
T
s
= Standard temp. (60 or 70
o
F)
T
n
= Normal temp. (0 or 20
o
C)
1)
The possible measurement methods are a function of the type of
flowmeter calibration.
2)
These measurement methods can only be selected when a tem-
perature measurement is integrated in the flowmeter.
3)
Units are in mils (0.1%)
5.5 Trio-Wirl Menu Display and Selections
5.5.1 Changing The Displayed Language
If the display should activate in German-language mode rather than English upon start-up or applying power to the
converter, use the following procedure to change the displayed language to English.
Maintain power to the
Trio-Wirl electronics for a minimum of 60 seconds after making any changes to the configuration data
base, otherwise the changes will not be stored
.
Action
⇒
Key
=
Display Information
First, turn
Locked
mode off
-
Standard Display
↓
↓
↓
1)
Advance to programming level STEP or DATA
↓
↓
↓
2)
Enter menu
ENTER
↓
↓
↓
3)
Make selection
display „Programming Level”
ENTER
Mode is selectable when
"underscore" is displayed
↓
↓
↓
4) Advance to " Standard" Program-
ming Level
STEP or DATA
↓
↓
↓
4) Select " Standard" Programming
Level
ENTER
↓
↓
↓
5)
Menu item
Find "Language”
STEP or DATA
↓
↓
↓
6)
Make selection
display "Language”
ENTER
↓
↓
↓
7)
Menu item
Find "English”
STEP or DATA
↓
↓
↓
8)
Select "English"
ENTER
Menus are now displayed
in English
Qv %
10.5
Progr.
Ebene
Gesperrt
Gesperrt
_
Standard_
_
Progr._
Ebene
Sprache
Deutsch_
Englisch
_
Language
