4. Operation
4.5. Programming to measure ORP (redox). mV range
The instrument is supplied programmed to measure pH. To change the measuring unit (pH) to mV go to Setting-
up, after selecting the language, see page 12, or follow the diagram below until TYPE OF MEASURE.
MEASURE
pH 7.34
25.2 °C
CODE 000
Introduce the code 100
Output current.
Selection of mV values correspon-
ding to 4 mA and 20 mA.
Selectable values between
± 1500 mV.
Hold.
Selection of the current output
when the instrument is in hold,
fixed at 21 mA or equivalent to
the last value
Language.
Selection of the working language:
English, German, Spanish, French,
Italian or Portuguese.
14
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si627 P_HACH_LANGE_Ed.0510.indd ANG:14
CALIBRATE
TYPE OF MEASURE
OUTPUT 4-20 mA
HOLD
LANGUAGE
MEASURE pH & °C
UNITS :
pH
> mV
Variar con
4 mA
20 mA
-500 mV +500 mV
> 21 mA
LAST
Language > Español
Italiano
M E A S U R E
pH 7.34
25.2 °C
20/5/10 10:50:47
20/5/10 10:50:47