Impact Recording Device (IRD)
Impact Recording Device
Impact Data Interpretation
PCIRD 4.5
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, dependent upon sample rate; automatically reverts to low power mode when battery voltage drops below 5.0 volts
Operating Conditions
Temperature range: -20F to 140F (-29C to 60C)
Moisture: Immersible in non-corrosive liquids
International Patents
United States: 4,754,564
Canada: 529,078
Europe: 87100801.7
Japan: 27,053.87
Options
U.S. or European power adapter available.
Colors and sizes. See Color/Sizes page.
Back to IRD home page.
Techmark Inc. Technology from the ground up 1-517-322-0250 www.techmark-inc.com techmark@techmark-inc.com
Techmark, Inc.
15400 S. US 27
Lansing MI 48906
All materials copyrighted.
2019