HACH LANGE ORBISPHERE 3654, User Manual, Page: 32 / 58

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Options Setup
The gas measurement phase can also be selected from the instrument keyboard as follows:
5.4.2 Measurement units
Using this dialog box, you can select:
•
The
Gas units
in which gas concentrations are to be displayed:
For dissolved measurements:
g/kg, % (by weight), V/V, cc/kg, ml/l, ppm/ppb, ppm or mg/100ml
For gaseous measurements:
%/ppm (by volume), % (by volume), kPa/Pa, kPa, bar/mbar, bar,
bar20/mbar20 or bar20
•
The
Liquid
medium for dissolved gas concentration measurements:
Water, Beer or Cola
•
The
Temperature units
for display:
°C or °F
1.
Switch the instrument power
OFF
2.
Switch the instrument on by holding down the
CAL
button
and then pressing the
POWER
button while still pressing
the
CAL
button
3.
The instrument display will first show
PHA
before
switching to either
dIS
for dissolved or
gAS
for gaseous
measurements
4.
Use the
Up/Down Arrow
buttons to change the gas
phase to your choice
5.
Press the
MEAS
button to save the selected gas
measurement phase. The instrument then goes to
measurement mode
Choose the
Configuration
,
Units
menu to select
gas measurement units, temperature measurement
units, and the liquid medium in which you are
measuring.
You may change the LCD label on the instrument to
match the new units selected.
Different LCD labels are supplied with the recharge
kit.