Performance of the RadonEye Monitor
Abstract
:1. Introduction
2. Materials and Methods
2.1. The RadonEye Monitor
Calibration
2.2. Parallel Exposure
2.3. Response to Thoron Exposure
2.4. Anomalies
2.5. Correlation Between Parallel Time Series
2.6. Software
3. Results and Discussion
3.1. Deviation from Nominal Calibration
3.2. Effect of Thoron on the RadonEye
3.2.1. Experiments Tn-1 and Tn-2
3.2.2. Experiment Tn-3
3.3. Anomalies
3.3.1. Series #1958
3.3.2. Series #0076
3.4. Missing Concentration Values
3.5. Correlation Between Parallel Time Series
3.5.1. Analysis 1
3.5.2. Analysis 2
4. Conclusions and Recommendations
4.1. Calibration Issues
4.2. Thoron
4.3. Anomalies
4.4. Statistical Issues and Missing Concentration Values
4.5. Citizen Science and Professional Use
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Experiment | Par-1 | Par-2 | Par-3 | |||
Device# | #1958 | #0641 | #1958 | #0496 | #1958 | #0076 |
Date | 17 May–2 June 2024 | 24 October–3 November 2024 | 13 December 2024–5 January 2025 | |||
n | 379 | 893 | 538 | |||
AM (Bq/m3) | 3.8 | 2.4 | 5.8 | 3.5 | 22.1 | 15.4 |
SD (Bq/m3) | 4.0 | 2.6 | 6.2 | 4.1 | 11.8 | 9.1 |
SE (Bq/m3) | 0.20 | 0.13 | 0.21 | 0.14 | 0.51 | 0.39 |
AM1/AM2 ± SE | 1.58 ± 0.12 | 1.66 ± 0.09 | 1.44 ± 0.05 | |||
Paired test | ||||||
t | 9.2 × 10−11 | 6.7 × 10−36 | 2.3 × 10−54 | |||
Sign | 2.0 × 10−7 | 1.7 × 10−21 | 8.0 × 10−43 | |||
Wilcoxon | 6.0 × 10−10 | 2.1 × 10−34 | 8.5 × 10−49 | |||
Unpaired | ||||||
t (uneq var) | 3.7 × 10−9 | 7.1 × 10−21 | 3.5 × 10−24 | |||
M-W | 9.6 × 10−7 | 2.2 × 10−16 | 1.2 × 10−21 | |||
F eq var | 6.9× 10−18 | 1.9 × 10−33 | 5.2 × 10−9 | |||
K-S | 1.2 × 10−8 | 4.0 × 10−22 | 1.7 × 10−16 | |||
A-D | 0 | 0 | 0 | |||
Correlation | ||||||
Pearson r | 0.22 | 0.51 | 0.67 | |||
Spearman ρ | 0.20 | 0.48 | 0.68 |
Event # | Date | Rn | cts k | BG (cts) | Prob (k’ ≥ k) | p (χ2) |
---|---|---|---|---|---|---|
1 | 24.12., 0:48 | 23 | 19 | 6.94 | 1.2 × 10−4 | 0.0024 |
2 | 29.12., 18:48 | 51 | 42 | 22.93 | 2.2 × 10−4 | 0.022 |
3 | 30.12., 10:48 | 38 | 32 | 21.00 | 0.015 | 0.15 |
4 | 31.12., 15:48 | 42 | 35 | 20.50 | 0.0022 | 0.12 |
5 | 2.1., 6:48 | 40 | 33 | 21.82 | 0.015 | 0.45 |
6 | 2.1., 16:48 | 40 | 33 | 21.00 | 0.0093 | 0.012 |
7 | 2.1., 21:48 | 31 | 26 | 16.6 | 0.020 | 0.25 |
8 | 5.1., 7:48 | 22 | 19 | 10.67 | 0.013 | 0.21 |
9 | 6.1., 16:47 | 26 | 22 | 13.85 | 0.026 | 0.59 |
10 | 8.1., 5:47 | 26 | 22 | 11.74 | 0.0047 | 0.017 |
11 | 9.1., 22:47 | 32 | 27 | 14.41 | 0.0020 | 0.20 |
12 | 11.1., 18:47 | 26 | 22 | 8.09 | 3.9 × 10−5 | 6.0 × 10−6 |
13 | 12.1., 2:47 | 22 | 19 | 7.50 | 3.0 × 10−4 | 0.0072 |
14 | 15.1., 4:47 | 29 | 24 | 11.33 | 7.0 × 10−4 | 0.050 |
15 | 20.1., 16:47 | 37 | 31 | 10.22 | 1.3 × 10−7 | 1.8 × 10−5 |
16 | 23.1., 11:47 | 29 | 24 | 14.87 | 0.018 | 0.75 |
17 | 24.1., 9:47 | 51 | 42 | 15.87 | 3.8 × 10−8 | 1.2 × 10−4 |
18 | 26.1., 15:48 | 32 | 27 | 14.32 | 0.0018 | 0.010 |
Device ID. | Missing Concentration Values (Bq/m3) |
---|---|
GJ17RE000076 | 3, 6, 9, 12, 15, 18, 21, 24, … |
RE22207111958 | 1, 4, 5, 7, 9, 11, 13, 15, 17, 18, … |
HG04RE000641 | 3, 6, 8, 11, 13, … |
HK01RE000496 | 3, 6, 9, 12, 15, … |
Experiment | Series | 〈r〉 ± SD | Empir. r |
---|---|---|---|
Par-1 | #0641 | 0.738 ± 0.0235 | 0.22 |
#1958 | 0.735 ± 0.025 | ||
Par-2 | #0496 | 0.851 ± 0.010 | 0.51 |
#1958 | 0.821 ± 0.011 | ||
Par-3 | #0076 | 0.860 ± 0.009 | 0.68 |
#1958 | 0.829 ± 0.015 | ||
rnd-1 | 0.514 ± 0.030 | ||
rnd-2 | 0.703 ± 0.020 |
Experiment | Series | σopt | Empir. r | |
---|---|---|---|---|
Model LN | Model SQR+, b = 0.5 | |||
Par-1 | #0641 | 0.92 | 4.76 | 0.22 |
#1958 | 0.92 | 4.89 | ||
Par-2 | #0496 | 0.56 | 4.42 | 0.51 |
#1958 | 0.52 | 3.80 | ||
Par-3 | #0076 | 0.26 | 5.54 | 0.67 |
#1958 | 0.22 | 4.58 |
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Bossew, P. Performance of the RadonEye Monitor. Atmosphere 2025, 16, 525. https://doi.org/10.3390/atmos16050525
Bossew P. Performance of the RadonEye Monitor. Atmosphere. 2025; 16(5):525. https://doi.org/10.3390/atmos16050525
Chicago/Turabian StyleBossew, Peter. 2025. "Performance of the RadonEye Monitor" Atmosphere 16, no. 5: 525. https://doi.org/10.3390/atmos16050525
APA StyleBossew, P. (2025). Performance of the RadonEye Monitor. Atmosphere, 16(5), 525. https://doi.org/10.3390/atmos16050525