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Model 993A
Triaxial Accelerometer
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DYNAMIC
Sensitivity, ±10%, 25°C................................................................... 100 mV/g
Acceleration Range.......................................................................... 50 g peak
Amplitude Nonlinearity..................................................................... 1%
Frequency Response:
All Channels, ±10%................................................................ 2 - 2,000 H
Transverse Sensitivity, max............................................................. 5% of axial
Temperature Response................................................................... -50' C
+25°C +80°C +120°C
FEATURES:
• Rugged design
• Easy to mount
+10% +0% +3% -7%
1.90"-
-1.38"-
Y axis
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4
ELECTRICAL
Power Requirement:
voltage source....................................... 18 - 30 VDC
current regulating diode........................ 2 - 10 mA
Electrical Noise, equiv. g:
PC02A-8-4P
Broadband
2.5 Hz t
o 25 kHz...................................... 150
Spectral
10 Hz...................................... 20 iig/VHz
X axis 1.49" i
100 Hz...................................... 2 iig/VHz
1000 Hz...................................... 0.6 |ic >Hz
Output Impedance, max................................................................... 100 Q
Bias Output Voltage......................................................................... 12 VDC
Grounding......................................................................................... case isolated, internally shielded
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Top View
ENVIRONMENTAL
Temperature Range......................................................................... -50 to 120°C
Vibration Limit................................................................................... 500 g peak
Shock Limit....................................................................................... 5,000 g peak
Electromagnetic Sensitivity, equiv. g............................................... 100 ^g/gauss
Sealing.............................................................................................. Epoxy
Base Strain Sensitivity..................................................................... 0.0005 g/^strain
PHYSICAL
Sensing Element Design.................................................................. PZT ceramic / shear
Weight............................................................................................... 88 grams
Case Material................................................................................... hardcoated aluminum
Mounting........................................................................................... 1/4-28 captive socket head screw
Output Connector............................................................................. 4 pin, Bendix PC02A-8-4P
Mating Connector ............................................................................ R9W
Recommended Cabling.................................................................... J9T4
f
0.90" 1.73"
I.
I
H"
.25"
1/4-28/^ captive screw
Side View
CONNECTOR PIN
FUNCTION
SHELL
N/C
A
axis Y, power / signal
B
axis X, power / signal
C
axis Z, power / signal
D
common (all channels)
ACCESSORIES SUPPLIED:
1/4-28 captive screw (International customers specify mounting requirements); Calibration data (level 2).
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W-15
48
WILCOXON RESEARCH, INC. • 1-800-945-2696 • TEL 301-330-8811 • FAX 301-330-8873 • EMAIL sensors@wilcoxon.com • WEB www.wilcoxon.com
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Contents table 1 - 2
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101-139