Teledyne BDS 3000, Operating Instructions Manual

Page: 61 / 100

Oxygen Analyzer Operation
Teledyne Analytical Instruments
47
lOffset[2] = 2327
(ADC count of offset of the third
gain of sensor amplifier)
lOffset[3] = 2330
(ADC count of offset of the fourth
gain of sensor amplifier)
Fourth Screen:
tempOffset = 2190
(ADC count of offset of
temperature amplifier)
Current_gain= 1
(current gain of sensor amplifier on
span gas)
4.3.11 Temperature
The temperature of the sensor is displayed on the third screen or
system menu, and is shown in degrees centigrade. If sensor cable is
disconnected, the display will show either “> 50” or “ < 0”.
4.3.12 Extended Analog Output Function
To access this function, press the SYSTEM key to enter it’s menu.
Select the
More
function to move on to the second screen of the system
menu.
Version Diag Xout
Neg-Y Filter-10 More
Select
Xout
and press ENTER to get to the extended output setup
menu.
Output Offst: 10% FS
Neg. Analog Offset
The number on the first line is adjustable using the Up and Down
keys between 0 and 50. This function makes it possible to track negative
readings in the analog output, since the analog outputs do not go below
zero volts or 4 mA DC. Provided that negative readings are allowed (
this is set in the system menu as well ).
If the value is set to zero of FS (full scale), the analog outputs work
in standard form and this is the default.