Teledyne 9110T - Nitrogen Oxides Analyzer - Manual (Page 133)

Model 9110TH NOx Analyzer Setup Menu
Teledyne Analytical Instruments 133
To activate the TEST Channel and select a function, press:
5.9.5. OPTIC TEST
The OPTIC TEST function tests the response of the PMT sensor by turning on an LED located in the
cooling block of the PMT. The analyzer uses the light emitted from the LED to test its photo-electronic
subsystem, including the PMT and the current to voltage converter on the pre-amplifier board. To ensure