Hach Ultra ORBISPHERE 3625, Operator'S Manual

Page: 64 / 96

58 of 90 Options - 3625 Package Analyzer
Operator Manual
ORBISPHERE
Procedure
•
ESC
displays main menu
•
× Ø
select
OPTIONS
;
ENTER
•
× Ø
select
SERIAL OUTPUT
;
ENTER
•
× Ø
select
DIAGNOSTIC
;
ENTER
•
× Ø
select
CORRECTIONS
;
ENTER
•
× Ø
select
HUMIDITY
;
ENTER
•
× Ø
select
CALIBRATE
;
ENTER
• Wait for stabilization of slope value.
• Check value slope on the
Diagnostic View
window of the PC.
• When slope is stable (-1 [mV/sec] ±1), press
ENTER
to save the new humidity
correction factor.
6.5.2 Oxygen Factor Correction
Depending on concentration, O
2
in the measured gas may affect the N
2
sensor readings.
The following section concerns setting the oxygen correction factor of the N
2
sensor.
Note:
Calibrate both O
2
and N
2
sensors before performing this.
Procedure
• Expose the N
2
sensor to the atmosphere, beside the O
2
sensor.
• On PC, start the OrbiPack software.
• Display
Diagnostic view
by selecting it in the
Tools
menu.
On measuring instrument:
• × Ø select
OPTIONS
;
ENTER
• × Ø select
CORRECTIONS
;
ENTER
•
× Ø
select
OXYGEN
;
ENTER
• × Ø select
CALIBRATE
;
ENTER