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High
Resolution Rotational Seismometer
Model
R-1 |
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The R-1 is the newest in a line of sensors using state-of-the-art
electro chemical MET technology.
The R-1 triaxial rotational sensor features the highest sensitivity/resolution
available in a rotational transducer, over a wide frequency band
with no parasitic resonances. It directly measures rotational data
and is insensitive to linear motion.
The R-1 rotational sesimometer is distinct from other recently developed
unproven sensors on the market that it is field proven and successfully
deployed in the field for many years.
The rugged aluminum construction is designed for the most demanding
environments, complying with Nema 4, 4x and 12; JIC-EGP-1-1967;
and IEC 529, IP66 standards.
Unlike solid-state type devices it is extremely sensitive with an
low noise floor and has very low susceptibility to temperature changes,
offering a standard operating range of -15C to +55C.
Options include an additional three axis of linear force balanced
accelerometers providing six outputs for all components of motion
(6DOF).
For
research papers on Rotational Data click here
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FEATURES
- Directly Measures Rotation
- Insensitive To Translational Motion
- High Sensitivity
- Wide Frequency Band
- Low Power
- Rugged
- Maintenance Free
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SPECIFICATIONS |
GENERAL |
Operating principle: |
Electrochemical motion transducer
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Resolution @ 1 Hz |
1.2xE-7 rad/sec |
Dynamic Range |
110 dB |
Self Noise Level |
< 1 microradian/sec
RMS over the bandwidth of 0.05Hz to 20Hz |
Sensitivity
Optional |
50V/rad/sec
200V/rad/sec |
Frequency
Optional |
0.05 to 20 Hz ±3
dB
0.03 to 50 Hz ±3 dB |
Output Signal Swing |
±5V or ±2.5V |
Clip Level @ 1 Hz |
01.0 rad/sec |
Translational Sensitivity |
None |
Parasitic Resonances |
None |
Crossaxis Sensitivity |
nil |
HOW
TO ORDER
Basic R-1 Configuration |
The standard configuration
includes mating connector and calibration sheets |
200V/rad/sec Sensitivity |
option -S20
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Extended Frequency |
option -F03 |
Full Scale Output |
specify |
Recorder Options |
SMR-4000
SMR-6102 |
Supplies and Accessories |
Sensor Cable |
General Spares |
None |
S Printer
Friendly Format For Specifications
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ENVIRONMENTAL |
Waterproof: |
NEMA Rating 4, 4x, IP65 |
Operation Temperature
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-15C to +55C
optional -45C to +55C. |
Temperature Scale
Factor |
<0.03%/°C
(dev from 20°C) |
Shock Survival |
200g |
Humidity |
95% R.H. (opt. SS 100%R.H.) |
MECHANICAL |
Housing Standard
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4.7" x 4.7" x 3.5" |
Weight (Al housing) |
2 lb appx |
Connector |
10-pin circular |
POWER |
Power - Standard |
9 to 14 VDC |
Supply current |
20 ma |
NOISE CURVE |
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Specifications Subject
to Change Without Notice |
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