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Model 90100
Operators Manual
Figure 2-18. An Absolute Rate Measurement With Air Density Corrections and the Front Panel Gain Factors Disabled
Prior to making a dose measurement, press the RESET button to zero all ion chamber readings. Pressing this button has no affect when performing dose rate measurements.
2.4.8.2 Percent-of-Center Measurements
The
top
centerx 100%
left | x 100% | right x 100% |
| ||
center | center |
bottomcenterx 100%
center units
Figure 2-19. A Percentage Measurement Showing How the Ratios are Calculated
Figure 2-20. A Percentage Dose Measurement With Air Density Corrections and the Front Panel Gain Factors Enabled
Figure 2-21. A percentage rate measurement with both air density corrections and the front panel gain factor disabled
NOTE
Pressing the RESET button while performing a dose measurement causes all percentages to immediately change to "UNDER". This is normal operation (see section 2.4.8.3 for more information).