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Model 797L
Premium, Low Frequency, Center mount Industrial accelerometer
"a o
DYNAMIC
Sensitivity, ±5%, 25°C............................................................................... 500 mV/g
Acceleration Range.................................................................................... 10 g peak
Amplitude Nonlinearity............................................................................... 1%
Frequency Response:
-5%................................................................................................... 0.6 - 850 Hz
-10%................................................................................................. 0.4 - 1,500 Hz
-3 dB................................................................................................. 0.2 - 3,700 Hz
Resonance Frequency............................................................................... 18 kHz
Transverse Sensitivity, max....................................................................... 7% of axial
Temperature Response............................................................................. -50°C -8%
+120°C +5%
ELECTRICAL
Power Requirement: voltage source.................................................. 18 - 30 VDC
current regulating diode................................... 2 - 10 mA
Electrical Noise, equiv. g:
Broadband 2.5 Hz to 25 kHz................................... 12 pg
Spectral 2 Hz................................... 2.0 pg/VHz
10 Hz................................... 0.6 pg/VHz
100 Hz................................... 0.2 pg/VHz
Output Impedance, max............................................................................. 100 Q
Bias Output Voltage................................................................................... 10 VDC
Grounding................................................................................................... case isolated, internally shielded
ENVIRONMENTAL
Temperature Range................................................................................... -50 to 120°C
Vibration Limit............................................................................................. 250 g peak
Shock Limit................................................................................................. 2,500 g peak
Electromagnetic Sensitivity, equiv. g......................................................... 5 pg/gauss
Sealing ........................................................................................................ Hermetic
Base Strain Sensitivity............................................................................... 0.001 g/pstrain
PHYSICAL
Sensing Element Design............................................................................ PZT ceramic / shear
Weight......................................................................................................... 148 grams
Case Material............................................................................................. 316L stainless steel
Mounting..................................................................................................... 1/4-28 captive socket head
screw
Mating Industrial connector ....................................................................................... R6 type
Recommended Cabling.............................................................................. J9T2A
CONNECTOR PIN FUNCTION
SHELL ground
A power/ signal
B common
FEATURES:
• High sensitivity
• Ultra low-noise electronics for clear signals at very low vibration levels
• Low pass filtered to attenuate high frequencies
• Hermetic industrial seal
• ESD protection
• Miswiring protection
• Reverse wiring protection
safety wire hole 0.062 dia.
o
2 pin connector
1.20-1.70"
li
0.25"
F 1/4-28
mounting thread
5
ACCESSORIES SU
#12105-01 captive socket head (International customers specify mounting requirements); Calibration data (level 3). Intrinsic safety certification
OPTIONS:
<
CO Q
<$> 6R ® A
APPROVED
Optional Safety Approvals
W-15
32
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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