SURVEY SENSOR: MEASUREMENT PARAMETER DEFINITIONS
DURING MEASUREMENT
Time is the total time since start of measurement.
Dose is calculated from all recorded data since start of measurement.
Dose rate and mean energy are moving averages.
FINAL READINGS
Auto trig mode
Time starts the first time the dose rate waveform reaches 50% of peak and ends the last time it drops below 50%
of peak.
Dose is calculated from all recorded data.
Dose rate is calculated as dose/time or, for measurements longer than 3 s, as a moving average ending
approximately 1–2 s before end of measurement.
Mean energy is calculated from all recorded data or, for measurements longer than 3 s, as a moving average
ending approximately 1–2 s before end of measurement.
Manual trig mode
Time is calculated as the time from when you press record until you press stop.
Dose is calculated from all recorded data.
Dose rate peak (^) is the highest dose rate recorded during measurement. A waveform is displayed if the peak
dose rate exceeds 1 µSv/h or 1 µGy/h (0.1 mR/h).
Mean energy is calculated from all recorded data.
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