Teledyne 9110TH - Nitrogen Oxides Analyzer - Manual (Page 158)

Model 9110TH NOx Analyzer Operating Instructions
Teledyne Analytical Instruments 138
4.13.6.4. AIN Calibration
This is the sub-menu calibrates the analyzer’s A-to-D conversion circuitry. This
calibration should only be necessary after major repair such as a replacement of CPU,
motherboard or power supplies.
To perform a AIN CALIBRATION, press:
From the
AIO CONFIGURATION SUBMENU
(See Section 6.13.4.1)
DIAG ANALOG I/O CONFIGURATION
PREV NEXT ENTR EXIT
Continue pressing SET> until ….
DIAG AIO AIN CALIBRATED: NO
<SET CAL EXIT
DIAG AIO CALIBRATING A/D ZERO
DIAG AIO CALIBRATING A/D SPAN
DIAG AIO AIN CALIBRATED: YES
<SET CAL EXIT
DIAG AIO AOUTS CALIBRATED: NO
SET> CAL EXIT
4.13.6.5. Configuring External Analog Inputs (Option) Channels
To configure the analyzer’s external analog inputs option, define for each channel:
 gain (number of units represented by 1 volt)