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SARAD GmbH
If the first interval has been completed, five different display pages are available. The several
pages can be toggled by repeated pressing the push button. Depending on the selected
system of units, the concentration values are given either in 'Bq/m³' or 'pCi/L' (mbar/inHg,
°C/°F)
The first page shows the actual Radon concentration (calculated for the last sampling
interval) with the statistical error for a 1 Sigma confidence interval. If "Fast" mode was
selected, a starlet is appended to the word "Radon" in the first row. Right beside, the time
stamp is given when the integration interval of the calculated concentration was finished
The bottom row contains at the left hand side the total number of integration intervals since
the last start of a measurement series. At the right hand side the pre-set integration interval
and the remaining time period of the actual sample is displayed.
Page two gives the same information for Thoron (Rn-220)
The readings of the additional sensors are shown at the third page. These values represent
averages which are derived from all "one Minute shots" of the entire integration interval.
The next page shows the average values of the Radon and Thoron concentration from the
start of the actual measurement series. The total sampling time is given in the first row.
The last page contains the status information, beginning with the date and time of the start
of the measurement series followed by the actual alert settings in the second line. The lower
line shows the selected pump and sniffing mode.
To finish a measurement series keep the push button down and wait for at least four beeps
from the buzzer. If the button is released, the sample will be stopped. If the button has been
locked by software, the button has to be unlocked before.
User Manual RTM1688-2 06-02-2019.docx
RADON*
12:20
85Bq/m³±10%
#34
117/120Min
Thoron
12:20
124Bq/m³±16%
#34
117/120Min
Ambient
12:20
21.5°C
987mbar
46%rH
12.3V
Average
68.0Hrs
Rn:
314Bq/m³
Tn:
141Bq/m³
>>17.04.06 16:32
ALM:
250Bq/m³
CONT.
SNIFF216
6
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