public:watches:cosc
This is an old revision of the document!
Table of Contents
COSC
History
Test definitions
15 day test regime
Day | Temp/°C | Pos | Daily rate | Variance |
---|---|---|---|---|
1 | 23 | 6H | M1 | |
2 | 23 | M2 | V1 | |
3 | 23 | 3H | M3 | |
4 | 23 | M4 | V2 | |
5 | 23 | 9H | M5 | |
6 | 23 | M6 | V3 | |
7 | 23 | Dd | M7 | |
8 | 23 | M8 | V4 | |
9 | 23 | Du | M9 | |
10 | 23 | M10 | V5 | |
11 | 8 | Du | M11 | |
12 | 23 | Du | M12 | |
13 | 38 | Du | M13 | |
14 | 23 | 6H | M14 | |
15 | 23 | 6H | M15 |
Test | Description | Limit |
---|---|---|
Mean Daily Rate M(1→10) | average of M1 → M10 | -4/+6 |
Mean Variation | average of V1 → V5 | 2 |
Greatest Variation | Largest of V1 → V5 | 5 |
Difference V → H | Average(M1→M2) - Average(M9→M10) | -6 / +8 |
Largest Variation | Largest Value of any V - M(1→10) | 10 |
Thermal Variation C | (M13 - M11) / (38 - 8) | ±0.6 |
Rate Resumption R | M15 - Ave(M1→M2) | ±5 |
pseudo Tests with Timegrapher
Ignoring Temperature Variations.
Make 2 measurements on Timegrapher in each position, separated by 24 hours and record them in table:
Day | Pos | Daily rate | Variance | |
---|---|---|---|---|
1 | 6H | M1 | ||
2 | M2 | V1 | ||
3 | 3H | M3 | ||
4 | M4 | V2 | ||
5 | 9H | M5 | ||
6 | M6 | V3 | ||
7 | Dd | M7 | ||
8 | M8 | V4 | ||
9 | Du | M9 | ||
14 | 23 | 6H | M14 | |
15 | 23 | 6H | M15 |
Some results
Page Info
Page created Sun May 22 00:23:48 2022 by John Pumford-Green
Page last updated: 06/03/25 06:49 GMT
tags
public/watches/cosc.1653209134.txt.gz · Last modified: 06/03/25 06:49 GMT (external edit)