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IRD
Specifications
Data
Recording
| Sample
rate |
Selectable 488 Hz - 5 kHz |
| Trigger
threshold |
Selectable 0 - 400 G |
| Pre-trigger
sample number |
Selectable 1 - 12 samples |
| Post-trigger
sample number |
Selectable 1 - 12 samples |
| Sampled
information |
Impact amplitude, time and 3-dimensional impact orientation |
| Data
storage capacity |
Dependent on impact characteristics and sampling rate |
Impact
Detection Criteria
| Sensor |
Tri-axial
accelerometer |
| Impact
amplitude |
+/- 500 G (3% accuracy) |
| Frequency
response |
5 Hz - 3 kHz |
| Digitation |
256
Counts |
Power
Requirements
| Battery |
6 VDC Nickel Metal Hydride |
| Time
between charges |
4-10 hours, depending on sample rate; automatically
reverts to low power mode when battery voltage drops
below 5.0 volts |
Operating
Conditions
| Temperature
range |
-20oF
to 140oF (-29oC to 60oC) |
| Moisture |
Immersible in non-corrosive liquids |
International
Patents
| United
States |
4,745,564 |
| Canada |
529,078 |
| Europe |
87100801.7 |
| Japan |
27,053.87 |
Options
| U.S.
or European power adapter |
|
| Automobile
power outlet adapter |
| High
Visibility Colors: |
orange,
blue, yellow, deep red or 2-color combination |
| Sizes: |
57.
64. 70. 76. 89 mm sphere
51
x 70 x 83mm "flattened sphere"
47
x 65mm 57g Large size egg
custom-designed sizes and configuration are also available.
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