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Model 786A

Standard, General Purpose Industrial accelerometer

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DYNAMIC

Sensitivity, ±5%, 25°C.

100 mV/g g I

Acceleration Range.................................................................................... 8

Amplitude Nonlinearity............................................................................... 1%

Frequency Response:

± 5%................................................................................................. 3 - 5,000 Hz

±10%................................................................................................ 1 - 9,000 Hz

± 3 dB............................................................................................... 0.5 - 14,000 Hz

Resonance Frequency............................................................................... 30 kHz

Transverse Sensitivity, max....................................................................... 5% of axial

Temperature Response............................................................................. -50°C -5%

+120°C +5%

FEATURES:

• Rugged design

• Corrosion resistant

• Hermetic industrial seal

• Case isolated

• ESD protection

• Reverse wiring protection

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............................................... 700 |ig

Spectral 10 Hz............................................... 10 ^g/VHz

100 Hz............................................... 5 Lig/VHz

1000 Hz............................................... 5 |ig/VHz

Output Impedance, max............................................................................. 100 Q

Bias Output Voltage................................................................................... 12 VDC

Grounding................................................................................................... case isolated,

shielded

/2 pin K Connector manufacturer

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2.1"

internally

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ENVIRONMENTAL

Temperature Range................................................................................... -50 to 120°C

Vibration Limit............................................................................................. 500 g peak

Shock Limit................................................................................................. 5,000 g peak

Electromagnetic Sensitivity, equiv. g, max............................................... 70 ^g/gauss

Sealing........................................................................................................ Hermetic

Base Strain Sensitivity, max...................................................................... 0.0002 g/^strain

1/4-28 mounting hole

0.75" 7/8" Hex

PHYSICAL

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Sensing Element Design............................................................................ PZT ceramic

Weight......................................................................................................... 90 grams

Case Material............................................................................................. 316L stainless steel

Mounting..................................................................................................... 1/4 - 28 UNF tapped hole

Output Connector....................................................................................... 2 pin, MIL-C-5015 style

Mating Connector....................................................................................... r6 type

Recommended Cabling.............................................................................. J10 / J9T2A


	CONNECTOR PIN	FUNCTION
	SHELL	ground
	A	power/ signal
	B	common

ACCESSORIES SUPPLIED:

SF6 mounting stud (International customers specify mounting requirements); Calibration data (level 2).

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W-15

Vibration Instrumentation

WILCOXON RESEARCH, INC. • 1-800-945-2696 • TEL 301-330-8811 • FAX 301-330-8873 • EMAIL sensors@wilcoxon.com • WEB www.wilcoxon.com