Hach Ultra ORBISPHERE 510, Operator'S Manual

Page: 56 / 144

50 of 138 Measurement Menu - Orbisphere 510/511/512 Analyzers
Operator Manual
ORBISPHERE
4.2.5 Advanced Configuration
4.2.5.1 EC Sensor
4.2.5.2 TC Sensor
⌧
Enable pressure sensor: Check as appropriate.
See “External Pressure Calibration (optional sensor)”
on page 65
⌧
Enable negative concentration: Check as appropriate.
See “O
3
Sensor Calibration” on page 60
⌧
TPO enable (portable instruments in “Sample mode”
measurement only): Check if TPO calculation is
required.
⌧
TPA enable (portable instruments in “Sample mode”
measurement only): Check if TPA calculation is
required.
If TPA is enabled, enter the TPA K coefficient if
different from the displayed value.
⌧
Enable ext. pressure sensor: Check as appropriate.
See “External Pressure Calibration (optional sensor)”
on page 65
⌧
Enable negative concentration: Check as appropriate.
⌧
Continuous purge during thermal cut off: If thermal
cutoff has been enabled (see
“Measurement
Configuration” on page 47 ), then check this box to
ensure that a continuous purge of the TC sensor takes
place while the measurement session is suspended
due to the thermal cutoff temperature value being
exceeded.
Note:
To manually set the TC sensor into a continuous purge
mode, press the
Continuous Purge
button that is
available from the
Services - Diagnostic - Channel x -
Amplifiers
menu. See details in the section entitled
“Amplifiers (TC sensor only)” on page 112 .
⌧
Offset and slope corrections: Enable correction as
appropriate.
If enabled, the correction values for offset and slope
must be entered. These values cannot be negative.
⌧
Liquid to gas factor: Enable correction as appropriate.
If checked, the percentage correction factor must be
entered. This value cannot be negative.
Note:
If you believe you need to enable these corrections, it is
advisable to contact a Hach Ultra Service Representative
first.