3-34 | Model 931S / Model 932S UV Analyzers
f. The Optical Bench heater will turn on to heat up the Optical
Bench and the Measuring Cell heater (if optional Heated
Measuring Cell is used) will turn on to heat up the Measuring Cell.
You can verify these heaters are on by observing that the red
LED201 (Optical Bench heater) and LED200 (Measuring Cell
heater) on the Micro-Interface board are ON steady or pulsing.
LED201
(Optical Bench Heater)
LED200
(Measuring Cell Heater)
Figure 3-13.
Micro-Interface board
(100-2231).