Page 30 of 92 PAC L.P., All Rights Reserved, 2015
R6000S Operation Manual: Rev. G
B. Sensitivity Selection Switch
Controls the sensitivity of the conditioning board to allow for different ranges of concentration. The signal
level from the PM tube is multiplied by the number selected on the switch. For concentrations of
0 – 1 ppm, the Sensitivity Selection Switch should be used at X50.
C. Level Meter
Displays a value that is proportional to the 4-20 mA output. If R30 on the conditioning board is properly
adjusted, the value displayed will be equal to concentration. The meter will display from -1999 to + 1999.
D. Span Dial
Used to adjust the detector’s response curve to match the calibration curve.
E. PMT Temperature Controller
Temperature controller for maintaining preset temperatures on the photomultiplier tubes. The actual
temperatures are displayed. Preset temperatures can be changed, if necessary.
F. U/V Switch
Turns ON or OFF the power to operate the UV lamp.
G. High-Voltage Switch
Turns ON or OFF the high-voltage power supply for the PMT.
H. Power Switch
Turns ON or OFF all power used by the detector module.
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