Thermo Electron 48C User Manual

Chapter 3 Operation
3-67
A/D Frequency
The A/D Frequency screen, shown below, displays the frequency of each of the 12 analog
to digital (A/D) converters located on the A/D Board. Each A/D has a frequency range
between 0 and 100,000 Hertz. This frequency range corresponds to a voltage range of 0
to -10 volts dc. See Appendix C, “Schematics” for the A/D Board schematic. The A/D
converters are assigned as follows:
A/D Converter Function
AN0 Flow
AN1 Spare
AN2 Spare
AN3 Spare
AN4 Spare
AN5 Spare
AN6 Pressure
AN7 Spare
AN8 Bias Voltage
AN9 Spare
AN10 Internal Temperature
AN11 Optical Chamber Temperature
Table 3-2. A/D Converters

Thermo Electron 48C Specifications

General

Brand	Thermo Electron
Model	48C
Category	Measuring Instruments
Language	English