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HT780A

Product catalog summary

Specifications Overview
The HT780A is a high-temperature accelerometer designed for operation up to 150°C. It is compact, lightweight, and manufactured in an ISO 9001 certified facility. The device comes with an SF6 mounting stud and calibration data.

Key Features

Sensitivity: 100 mV/g at ±5% accuracy at 25°C
Acceleration Range: 80 g peak with VDC > 25 V
Amplitude Nonlinearity: 1%
Frequency Response: 3 - 5,000 Hz (±5%), 1 - 9,000 Hz (±10%), 0.5 - 14,000 Hz (±3 dB)
Resonance Frequency: 30 kHz nominal
Transverse Sensitivity: Maximum 5% of axial
Temperature Response: -10% at -25°C, +15% at +150°C

Power Requirements

Voltage Source: 18 - 30 VDC
Current Regulating Diode: 2 - 10 mA

Electrical Noise

Broadband (2.5 Hz to 25 kHz): 700 µg at 25°C, 1,100 µg at 150°C
Spectral Noise: 10 µg/√Hz at 10 Hz, 5 µg/√Hz at 100 Hz and 1,000 Hz at 25°C; 14 µg/√Hz at 10 Hz, 7 µg/√Hz at 100 Hz and 1,000 Hz at 150°C

Additional Specifications

Output Impedance: Maximum 100 Ω
Bias Output Voltage: 13 VDC at +25°C, 12 VDC at +150°C
Grounding: Case isolated, internally shielded
Temperature Range: -50° to +150°C
Vibration Limit: 500 g peak
Shock Limit: 5,000 g peak
Electromagnetic Sensitivity: Maximum 70 µg/gauss
Sealing: Hermetic
Base Strain Sensitivity: Maximum 0.0002 g/μstrain
Sensing Element Design: PZT, shear
Weight: 62 grams
Case Material: 316L stainless steel
Mounting: 1/4-28 UNF tapped hole
Output Connector: 2 pin, MIL-C-5015 style

Connections

Power/Signal: Connector pin A
Common: Connector pin B
Ground: Shell

Catalog excerpts

Acceleration range, VDC > 25 V 80 g peak Resonance frequency, nominal 30 kHz Transverse sensitivity, max 5% of axial Key features Power requirement: Voltage source Current regulating diode Electrical noise, equiv. g: Broadband 2.5 Hz to 25 kHz Output impedance, max Bias output voltage: +25°C • Compact, lightweight • 150°C operation • Manufactured in ISO 9001 facility Grounding Temperature range Vibration limit Shock limit Electromagnetic sensitivity, equiv. g, max Sealing Base strain sensitivity, max Sensing element design Weight Case material Mounting Output connector case isolated, internally shielded -50° to +150°C 500 g peak 5,000 g peak 70 pg/gauss hermetic 0.0002 g/pstrain PZT, shear 62 grams 316L stainless steel 1/4-28 UNF tapped hole 2 pin, MIL-C-5015 style Accessories supplied: SF6 mounting stud (metric mounting available); calibration data (level 2) Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. Wilcoxon Sensing Technologies An Amphenol Company 8435 Progress Drive Frederick, MD 21701 USA buy.wilcoxon.com www.wilcoxon.com

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