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SMA-1
Digital Retrofit Kit

The SMA-1 Digital Retrofit Kit can be completely implemented in the field for a low-cost conversion—same housing, same ""footprint."" See the comparison below for before and after specifications. This upgrade is based on the Kinemetrics Quake Data Recorder (QDR).

SMA-1 Data Sheet PDF Format (185k pdf)
 

Specification Comparison

Dependent on film development skill and scanning resolution

Data Resolution

11 bits, approx. 0.002g

+/- 1g, opt. ¼, ½, 2g

Sensor range

+/- 1g vertical,+/- 2g horizontal

DC-25 Hz

Bandwidth

DC-25 Hz

Analog photographic file

Sampling rate

100 Hz

Optional, TCG-1 or WWVB

Timing

Standard real time clock

50 foot film roll

Memory

15 minute capacity Intelligently managed for preservation of largest events (flash memory)

N/A

Hardware interface

RS-232C

N/A

Software interface

Windows-based data collection and display

None

Pre-event

Up to 40 seconds

Master/slave

Interconnect

Master/slave

0.15 mA(standby) 1 Amp recording

Power Consumption

85 mA from +12 VDC

Vertical or horizontal

Trigger type

Triaxial threshold

1-10Hz

Trigger bandwidth

1-10 Hz


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