wtw pH 171 2K, Operating Manual

Page: 109 / 160

Parameterization
113
Then the display shows:
With enter the parameterization level.
Parameterization of recorder output Rec 1 and Rec 2
(ST / 2K / R / RS models)
This submenu allows to set current range 0 .. 20 mA / 4 .. 20 mA and
response d
II
/t (d
II
= change of current; t = time).
Chart:
Submenu
"PARA REC 1" or "PARA REC 2"
0 .. 20 mA Current range
4 .. 20 mA *)
1
.
In this submenu
d
II
/t= 0.1 mA/s
Response
characteristic
1)
one parameter has to be selected
d
II
/t= 0.2 mA/s
out of 1 = current range part d
II
/t= 0.5 mA/s
and also one out of 2 = response part.
d
II
/t= 1 mA/s
2
d
II
/t= 2 mA/s
d
II
/t= 5 mA/s
d
II
/t= 10 mA/s
d
II
/t= 20 mA/s *)
*) ex-factory condition
1)
Response: Changing velocity of the recorder current in milliampere per second with
erratic change of input signal (delta [
II
] per time unit [t]).
Setting:
Submenu "PARA REC 1"
With enter submenu
"PARA REC 1".