4-24 | Model 900 ADA / Model 930 Sulfur Pit Analyzers
F4 4 TTypez n ** The type of temperature sensor used for each temperature zone, where
‘z’ = Temperature Zones 1..4.
1 = Sample Line
2 = Vent Line
3 = TZone3 – Spare
4 = Oven
and where ’n’ = 0..5 for each of the temperature measurement devices and their tempera-
ture zones:
0 = RTD-A: Not Used
1 = Thermistor-A: Not Used
2 = RTD-B: 45 °C to 181 °C (300-4872-B or 300-5769 daughter board),
Part No. 100-1096 – Typical Default
3 = Thermistor-B: 76 °C to 187 °C (300-4872-B or 300-5769 daughter board),
Part No. 100-1097
4 = RTD-C: Not Used
5 = RTD-D: 120 °C to 260 °C, Part No. 100-2214
F4 5 TDutyz Temperature duty cycles, where ‘z’ = 1..8.
‘z’ = 1..4
This is the default duty cycle (%) of each temperature zone during steady-state operation at
the Set Point. The zones and their starting (default) values are:
1 = Sample Line (default = 30 %)
2 = SCU (default = 30 %)
3 = TZone3 – Spare (default = 30 %)
4 = Oven (default = 30 %)
‘z’ = 5..8
This is the maximum duty cycle allowed for each temperature zone. The zones and their
default values are:
5 = Sample Line (default = 85 %)
6 = SCU (default = 85 %)
7 = TZone3 – Spare (default = 85 %)
8 = Oven (default = 85 %)
F4 6 AbsOVz **The absorbance oset vector for each lter location, where ‘z’ = 1..6.
1 = Filter 1 4 = Filter 4
2 = Filter 2 5 = Filter 5
3 = Filter 3 6 = Filter 6
F4 7 TCold The Measuring Cell and/or Sample Probe temperature at which the sample system will
switch between Sample and Backpurge mode. Entering ‘0’ results in the analyzer using 5 %
of the Measuring Cell temperature Set Point as the switch temperature.
F4 8 CPRgz The pressure transducer low and high value (mmHg) corresponding to 0.0 VDC and
5.0 VDC respectively, where ‘z’ = 1..2.
1 = Low Value
2 = High Value
F4 9 AI:Msrz The Microcontroller board channel number for the analog input signals, where ‘z’ = 1..2. If
‘0’ is assigned to either or both of these variables, the values saved as Temperature and/or
Pressure will be used to calculate the output signals instead of the measured values.
1 = Measuring Cell Temperature Compensation
AI:Msr = 4 (enabled); 0 = disabled
2 = Measuring Cell Pressure Compensation
AI:Msr = 6 (enabled); 0 = disabled