Quick guide – Hach-Lange SI628 C User Manual

Page 19

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

20/5/10 11:08:45