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Model 65HT High Temperature Isotron® accelerometer

Model 65HT High Temperature Isotron® accelerometer
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Model 65HT High Temperature Isotron® accelerometer - 1

Model 65HT Isotron® accelerometer Features • NEW! 65HT-05-R, 65HT-1-R, 65HT-10-R available as replacement sensor • Triaxial, low-impedance output • Rated for continuous use up to +175°C (347°F) • Small size (10-mm cube, 5 gram) • Automotive test cell • Aerospace test chambers The extended temperature capability (+175°C) and high performance of Endevco® model 65HT triaxial accelerometer distinguishes it from competitor offerings. The Endevco® model 65HT is packaged in a 10-mm cube of welded titanium construction. Interface to the model 65HT is via a hermetically sealed 4-pin connector. Using the latest technology in high temperature components and processes, the micro-electronic circuits are designed and built specifically to continuously operate at +175°C. It is supplied with high temperature cable assemblies as a standard accessory. The model 65HT’s excellent frequency responses, both amplitude and phase, provide the user with a triaxial accelerometer ideally suited for structural and component testing in automotive test cells, environmental test chambers, ESS and general laboratory applications. The reduced size of this accelerometer enables the test engineer or technician to measure the accelerations of three orthogonal axes of vibration simultaneously on lightweight structures. Endevco signal conditioner models 133, 2793 or Oasis 2000 are recommended for use with this accelerometer. TYPICAL FREQUENCY RESPONSE MODEL 65HT (AMPLITUDE) 20 % DEVIATION Typical temperature response 30.000

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Model 65HT High Temperature Isotron® accelerometer - 2

Model 65HT Isotron® accelerometer Specifications The following performance specifications conform to ISA-RP-37.2 (1964) and are typical values, referenced at +75˚F (+24˚C) and 100 Hz, unless otherwise noted. Calibration data, traceable to National Institute of Standards and Technology (NIST), is supplied. Dynamic characteristics Range g (m/s2) Voltage sensitivity, typical mV/g (mV / m/s2) Frequency response Amplitude response ±5% Hz ±1 dB Hz Resonance frequency Hz Transverse sensitivity % Temperature response Amplitude non-linearity % Output characteristics Output polarity DC output bias...

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Model 65HT High Temperature Isotron® accelerometer - 3

Model 65HT Isotron® accelerometer Accessories Product Triaxial cable, 85˚ C, 3 BNC’s at instrumentation end [5] Extension cable rated to +200˚C (mates with 3027AM3) [5] Extension cable rated to +200˚C (mates with 3027AM3) [5] Mounting block, adhesive mount Screw for 40965 mounting block Mounting clip Signal conditioner Isotron signal conditioner OASIS 2000 computer-controlled system Notes: 1. +22 Vdc minimum must be available to the accelerometer to ensure full-scale operation at the temperature extremes. 2. Shock pulses of short duration may excite sensor resonance. 3. Microtech DR-4S-4...

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