SEI's Crash Survivable Recorder-Memory Unit, RO-647/ASH-40
The CSRMU is shown above-left, with the optional 37kHz acoustic beacon. The CSRMU can be used separately, or installed as an integral part of the AN/ASH-40 Structural Data Recording Set (shown on right).
Activate the icon above to hear an actual .wav file downloaded from the CSRMU.
Key Benefits
- Incorporates state-of-the-art digital speech compression technologies.
- Survivability in a size and weight not possible with magnetic tape recording systems.
- Fully backed by SEI's Systems Integration and Field Support Services.
- Designed to:
- EUROCAE ED-55 and ED-56A
- TSO-C-123a and TSO-C-124a
- Impact: 3,400g, 6.5 ms
- Submersion: 20,000 feet
- Static Crush: 5,000 lb., 5 min.
- Fire: 1,100ºC, 30 min., 260ºC, 10 hrs.
- Fluid Immersion: 48 hours
Summary Specifications
| Parameter | Specification |
| Input Voltage | +28 VDC |
| Power Consumption | <15 Watts |
| Weight | <8 pounds |
| Memory Capacity | 8 to 16M bytes |
| Audio Capacity | 4 x 40 minutes |
| Frequency Response | 300Hz to 5.0kHz (cockpit) 300Hz to 3.3kHZ (headset) |
| Input Impedance | 10k ohms |
| Flight Data Capacity | 40 Minutes |
| Electrical Interface | RS-232, RS-422 |
| Operating Environment | -40ºC to +71ºC |
More Information
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