Serinus 40 User Manual 2.2  
 
 
Raw ADC calibration input 
S30 measure ZERO coarse adjustment pot 
S30 measure ZERO fine adjustment pot 
SO
2
 Measure Signal Gain Pot 
SO
2
 measure signal gain pot  
SO
2
 reference signal gain pot 
Test pot for all the analysers 
PMT signal input gain control for NOX 
1, 2, 4, 8, 16, 32, 64, 128  
Primary Gas Concentration 
Current value on front screen 
Secondary Gas Concentration 
Current value on front screen  (if applicable e.g. NO
x 
) 
Calculated Gas Concentration 
Average of the readings(for Gas 1) of the last n minutes 
where n is the averaging period