public:watches:cosc
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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 | 6H | M14 | |
| 15 | 6H | M15 |
Some results
Archimede Deck watch (a 10 day test, not a timegrapher pseudo-test)
| Day | Pos | Daily rate | Variance |
|---|---|---|---|
| 1 | 6H | M1 +0.3 | |
| 2 | M2 +1.3 | V1 1.0 | |
| 3 | 3H | M3 -0.7 | |
| 4 | M4 -1.7 | V2 1.0 | |
| 5 | 9H | M5 +8.2 | |
| 6 | M6 +6.1 | V3 2.1 | |
| 7 | Dd | M7 +11.0 | |
| 8 | M8 +10.9 | V4 0.1 | |
| 9 | Du | M9 +9.9 | |
| 10 | M10 +9.5 | V5 0.4 | |
| 14 | 6H | M14 +2.5 | |
| 15 | 6H | M15 +2.7 |
| M | Mean Daily Rate | +5.5 | Pass | -4 / +6 |
| V | Mean Variation | 0.9 | Pass | 2 |
| Vmax | Greatest Variation | 2.1 | Pass | 5 |
Page Info
Page created Sun May 22 00:23:48 2022 by John Pumford-Green
Page last updated: 06/03/25 06:49 GMT
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