Hach-Lange SI628 C - Manual (Page 19)

15
4. Operation
ENGLISH
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 access
to calibration
or programming
of the instrument
by non authorised
people.
When the “Code” screen has been shown for
more than 30 sec. the instrument will automatically
return to MEASURE.
MEASURING 22.3°C
545 µS/cm @25°
CÓDIGO 000
MEASURE S/cm
CALIBRATE
CELL
LIMIT
ALARM
HOLD
LANGUAGE
See “calibration... “
( page 17)
See “programming...”
( page 16)
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:
• Contact relays are opened.
• 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 will activate in 10 sec.
OUTPUT 4-20 MA
si628 C_HACH LANGE_Ed. 0510.indd ANG:15 si628 C_HACH LANGE_Ed. 0510.indd ANG:15 20/5/10 11:08:45 20/5/10 11:08:45