Quick Guide - HACH LANGE si629 P Manual De Uso

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
access to calibra-
Vary the underlined digit with
tion or program-
ming of the ins-
Authorised code = 100.
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.
Instrument in hold state.
When being in the grey zone, the ins-
trument is in hold state:
• Limit and cleaning contact relays are
opened. (Alarm OFF). .
• According to the configuration the
current output is frozen at 21 mA or
at the mA corresponding to the last
measured value.
(*) When being in Test 4 to 20 the cu-
rrent is the one programmed manually
to be able to carry out the test.
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.
16
si629 P_HACH_LANGE_Ed.0510.indd ANG:16 si629 P_HACH_LANGE_Ed.0510.indd ANG:16
M E A S U R E
pH 7.34 25.2 °C
CODE 000
and accept with .
MEASURE pH & °C
CALIBRATE
CONFIGURATION
LIMITS
ALARM
CLEANING
OUTPUT 4-20 mA
HOLD
LANGUAGE
MANUAL RELAY
TEST 4-20 mA
DATA LOGGER
See "pH calibration"
(
page 20-21)
See "pH configuration"
(
page 17)
See "programming ..."
(pages 18-19)
See "Manual control
of relays"
(page 26)
See "Test 4-20 mA"
(page 26) (*)
See "Data logger"
(page 27) (*)
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