Vaisala HMP228 User Manual
Page 40
HMP228
Operating Manual
M210282en-A
34
4.7.2
Selecting and scaling the analogue output quantities
Disconnect the security lock jumper!
4.7.2.1
Using serial output
ASEL xxx yyy
xxx
=
channel 1's quantity
yyy
=
channel 2's quantity (Aw, T)
Example: water activity is selected on channel 1 and temperature on
channel 2
>ASEL aw T
Ch1
(aw) lo
0.000 aw
?
Ch1
(aw) hi
1.000 aw
?
Ch2
(T ) lo
-40.000 'C
?
Ch2
(T ) hi
+160.000 'C
?
ASCL
Example: water activity is scaled on the range of 0...1 Aw and temperature
0...+100 °C
>ASCL
Ch1
(Aw) lo
0.000 Aw ?
Ch1
(Aw) hi
1.000 Aw ?
Ch2
(T )
lo
-40.000 'C
? 0
Ch2
(T )
hi
160.000 'C
? 100
4.7.2.2
Using display/keypad commands
Disconnect the security lock jumper!
•
Select Mode in the main menu and Analog outputs in the Mode
menu:
•
Select Scale. The quantity and scaling for channel 1 are displayed:
•
If the settings are correct, press ENT.