S2000 Elite - User's Guide
035-00707 Revision 1
35
4.3. Output Intensity Modes/Calibration Process
Calibration of the exposure timer is not required.
The S2000 Elite system uses an external oscillator to generate it’s system clock signal. It
provides a stable and precise clock signal to the S2000 Elite control system and sub-systems,
including the timing module of the light intensity control shutter. The oscillator maintains a
constant frequency throughout the product's lifetime and requires no calibration.
The S2000 Elite design allows Excelitas Canada to guarantee the exposure timer tolerance for
the lifetime of the product. The exposure does not need calibration.
S2000 Elite Exposure Timer Tolerance: +/- 250ms or +/- 1% of the exposure time
setting, whichever is greater.
The S2000 Elite system can operate in two different output intensity modes: Absolute or
Relative.
• Absolute mode: refers to the condition when the S2000 Elite has been calibrated. The
display will show an absolute value of irradiance in W/cm
2
or power in W.
• Relative mode: refers to the condition when S2000 Elite has not been calibrated. The
display will show the percentage of iris opening.
The S2000 Elite can be calibrated and correspondingly set to a specified irradiance (setpoint)
by the R2000 Radiometer. The R2000 Radiometer connects to the S2000 Elite via the front
panel RS-232 Radiometer port.
Figure 1: Radiometer
Port
1. Radiometer Port (3.5mm)
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