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997-M4

Product catalog summary

Overview: The Wilcoxon Research model 997-M4 is a high-frequency, ring-type accelerometer designed for dynamic applications. It features a sensitivity of 10 mV/g and can measure acceleration up to 600 g peak with an amplitude nonlinearity of 1%.

Dynamic Specifications:

Sensitivity: ±10% at 25°C, 10 mV/g
Acceleration Range: 600 g peak
Frequency Response: ±5% from 1.5 to 20,000 Hz, ±10% from 1.0 to 25,000 Hz, ±3 dB from 0.5 to 29,000 Hz
Resonance Frequency: >45 kHz
Transverse Sensitivity: <3% of axial
Temperature Response: -10% at -50°C, +10% at +125°C

Electrical Specifications:

Power Requirement: 18-30 VDC, 2-10 mA current regulating diode
Electrical Noise: 1,000 µg broadband from 2.5 Hz to 25 kHz
Output Impedance: Max 100 Ω
Bias Output Voltage: Nominal 12 VDC
Grounding: Case isolated, internally shielded

Environmental Specifications:

Temperature Range: -50 to 125°C
Vibration Limit: ±1,000 g
Shock Limit: Max 5,000 g peak
Sealing: Hermetic
Base Strain Sensitivity: Max 0.03 g/µstrain

Physical Specifications:

Weight: 35 g
Case Material: 316L stainless steel
Mounting: M4 captive screw
Integral Cabling: J10, 16 ft integral cable, Enviroprene™, 2 conductor shielded

Connections: Accessories include an M4 captive screw and calibration data. Options for cable length and connector are available.

Features: The accelerometer is corrosion-resistant, hermetically sealed, ground isolated, and offers ESD, reverse wiring, and EMI/RFI protection.

Contact Information: Meggitt Sensing Systems, 20511 Seneca Meadows Parkway, Germantown MD 20876, USA. Tel: 301 330 8811, Fax: 301 330 8873, Email: [email protected], Website: www.wilcoxon.com

Catalog excerpts

Corrosion resistant Hermetically sealed Ground isolated Reverse wiring protection EMI/RFI protection MOUNTING THREADS Wilcoxon Research model 997-M4 High frequency, ring type accelerometer Freguency response: Temperature response: Power reguirement: Electrical noise, eguiv. g, nominal: internally shielded Cable conductor color Accessories supplied: M4 captive screw; calibration data (level 2] Options: Cable length, connector Meggitt Sensing Systems 2051 1 Seneca Meadows Parkway Email: wilcoxonHmeggitt.com extreme environments Due to continued research and product development, Meggitt Sensing Systems reserves the right to amend this specification without notice. 99107 Rev.A 11/11 This document is cleared for public release.

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