Hach-Lange SI627 P - Manual (Page 16)

12
4. Operation
4.3. Quick guide
This page shows the instrument’s operation by blocks. It is intended to provide a quick idea about all the
instrument’s capabilities and how to gain access to them.
Security access
code.
It limits the ac-
cess to calibra-
tion or program-
ming of the ins-
trument by non au-
thorised people.
When the “Code” screen has been shown for
more than 30 sec. the instrument will automatica-
lly return to MEASURE.
M E A S U R E
pH 7.34 25.2 °C
CODE 000
MEASURE pH & °C
CALIBRATE
OUTPUT 4-20 mA
LANGUAGE
TYPE OF MEASURE
See “calibration“
( page 16)
See “programming ...”
(pages 13-14)
Vary the underlined digit with
and accept with .
Authorised code = 100.
Instrument in hold state.
When being in the grey zone, the instrument is in hold state:
• According to the configuration the current output is frozen at 21 mA or at the mA corresponding
to the last measured value.
To quit the hold state it is necessary to return to MEASURE. The Current output 4 to 20 and the Relays
will activate in 10 sec.
HOLD
si627 P_HACH_LANGE_Ed.0510.indd ANG:12 si627 P_HACH_LANGE_Ed.0510.indd ANG:12 20/5/10 10:50:46 20/5/10 10:50:46