Setting Up - HACH LANGE si629 P Manuel D'utilisateur

4. Operation
4.2. Setting-up
Connect the si629 P to mains. At power up the first time only the following screens will appear:
Instrument is already measuring pH, with the following factory settings::
• Control: ON/OFF
• Relay 2: cleaning during 3 sec. each hour, with a 5 sec. of post-cleaning time.
• Limit 1: input at pH 6.0, output at pH 6.5.
• Alarm: activation after 10 min of reading out of limits.
• Current output: 4 mA = pH 0, 20 mA = pH 14.
• Hold: fixed at 21 mA.
• Data logger: stores 1 datum each 30 min. (It is necessary to mark START, see page 27).
To modify this configuration see pages 17, 18 and 27.
si629 P_HACH_LANGE_Ed.0510.indd ANG:15 si629 P_HACH_LANGE_Ed.0510.indd ANG:15
si629 P
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UNITS : >pH
Attention. Select the
measuring units.
mV
TEMP. S.<PT 1000
PT 100
Attention. Select the
M E A S U R E
temperature sensor.
pH & °C
M E A S U R E
pH 7.34 25.2 °C
keys.
15
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