Teledyne 6600 - Manual (Page 85)

Oil in Water Analyzer Maintenance 3
Part II 3-9 Teledyne Analytical Instruments
+15 VDC: Power Supply voltage fed to the photodetector preamplifier,
+15 VDC.
-15 VDC: Power Supply voltage fed to the photodetector preamplifier,
-15 VDC.
COM: Common reference to the +/- 15 VDC and the -230 VDC power
supplies.
SPAN FLTR: Span filter signal, AC voltage.
SPAN SOL: Span solenoid signal, AC voltage.
ZERO FLTR: Zero filter signal, AC voltage.
ZERO SOL: Zero solenoid signal, AC voltage.