How test the sample heater on a Series 5500 Silica or Phosphate? (120 VAC Models Only)
Series 5500 Silica or Phosphate sample heater preheater.
With power removed from the analyzer, disconnect the heating element from J15 on the interconnect printed circuit board (PCB), and using an ohmmeter test the resistance between the two black wires. It should read approximately 110 ohms.