37
Options Setup
5.4.4 Locking out the instrument’s CAL button
You can use the
Configuration
,
Calibration Key Status
menu to prevent an accidental sensor
re-calibration from the instrument keyboard.
5.4.5 Sensor calibration range checking
When calibration is performed for
In Air
and
In a Span Gas
calibration modes, the sensor
measurement current is compared to an ideal current for the selected membrane to determine
whether or not to complete the calibration. You can use the
Configuration
,
Calibration Range
Checking
menu to enable or disable sensor calibration range checking in the instrument.
Choose
Disabled
to calibrate without checking the value of the measurement current, within a
range of 0% to 999% of the ideal current.
When set to
Enabled
, at calibration the measurement current should be between 25% and
175% of the ideal current; if the value is outside of these limits, the calibration fails and
Err
is
displayed on the instrument LCD. Choose
OK
when the desired mode is selected.
5.4.6 Entering a span gas value
When calibrating the sensor in a span gas, use the
Configuration
,
Span Gas
menu to enter the
concentration of the gas to be measured in the span gas.
Choose
Disabled
to lock out the keyboard
CAL
button. To
unlock this capability, choose
Enabled
.
Choose
OK
when the desired mode is selected.
Enter the percentage of measurement gas in the span gas
(e.g. 10.00%), then choose
OK
.
Summary of Contents for ORBISPHERE 3650 Atex
Page 1: ...DOC024 52 93004 ORBISPHERE Model 3650 Atex USER MANUAL 10 2019 Edition 13...
Page 2: ...2...
Page 12: ...10 General Information...
Page 24: ...22 Installation...
Page 34: ...32 Operating Information...
