| No. |
Column Title |
Description |
| 1 |
Impact # |
Number of drop Test |
| 2 |
Peak Acc. (G) |
Peak G Force on Headform (provided in G) |
| 3 |
Peak Acc. (m/sec?) |
Peak G Force on Headform (provided in m/sec?) |
| 4 |
Velocity IN (m/sec) |
Velocity of helmet just before impact in meters per second |
| 5 |
Time Gate (msec) |
Time for the Flag to pass through the Time Gate in milliseconds |
| 6 |
Energy (Joules) |
Impact energy in Joules |
| 7 |
Delta T 150G (msec) |
Time in milliseconds between 2 points of the rise and fall at 150G on the graph
curve. |
| 8 |
Delta T 200G (msec) |
Time in milliseconds between 2 points of the rise and fall at 200G on the graph
curve. |
| 9 |
SI |
Area under the graph curve |
| 10 |
Friction (%) |
Drop friction based on recorded versus theorical speed at impact. |
| 11 |
Drop Height (cm) |
The Height the helmet was dropped from in centimeters. |
| 12 |
Anvil Type |
Type of anvil: Hemispherical, Flat, Etc. |
| 13 |
Position |
Position of the helmet based on testers description. |
| 14 |
Pass of Fail |
Helmet Passed or Failed the test |
| 15 |
Test Date |
Date of test |
| 16 |
Test Time |
Time of Test |
| 17 |
Elapse Time |
Elapse time between drops |
| 18 |
HIC |
Area under the graph curve (different equation from SI) |
| 19 |
Compression (mm) |
Equation estimates compression in millimeters |
| 20 |
Restitution (%) |
The difference between the Velocity IN and the Velocity OUT |
| 21 |
Peak Force (N) |
To use with the Load Cell |
| 22 |
Graph Ref. |
Where there are more than one graph, this tells which one to reference. |
| 23 |
Artificial Acc. (m/sec) |
Not supported anymore in current machines |
| 24 |
Velocity OUT (m/sec) |
Velocity of the bounce going up after the first Impact in meters per second. |
| 25 |
Velocity IN (km/h) |
Velocity of the Helmet just before Impact in kilometers per hour. |
| 26 |
Velocity IN (miles/h) |
Velocity of the Helmet just before Impact in miles per hour. |
| 27 |
Velocity IN (feet/sec) |
Velocity of the Helmet just before Impact in feet per second. |
| 28 |
Projectile Type |
Type of projectile dropped on the helmet |
| 29 |
Acc. (G) peak+3msec |
Vietnamese Standard |
| 30 |
Acc. (G) peak+6msec |
Vietnamese Standard |