Endevco® model 65HTLPF Isotron® accelerometer
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Endevco® model 65HTLPF Isotron® accelerometer - 1

extreme environments Isotron® accelerometer • Triaxial, low-impedance output with 2-pole • Small size [10-mm cube, 5 gram] available as replacement sensors The Endevco® model 65HTLPF is a miniature IEPE high temperature (up to 175°C) triaxial accelerometer with 2-pole low- pass filter. The sensor is designed for use in test and measurement applications requiring both high temperature operation and effective attenuation of high-frequency, high-g signals that can obscure the required low-frequency information and also can cause saturation of electronics. Additionally, the low-pass filter provides resonance suppression. The model 65HTLPF is packaged in a 10 mm cube of welded titanium construction. Interface to the model 65HTLPF triaxial accelerometer is made via a side connector Microtech style 4--pin receptacle. Power to the sensor, in the form of a constant current, travels through the same pins as the low impedance output signals. The model 65HTLPF-10 features a sensitivity of 10 mV/g. The model number's second suffix indicates the low-pass filter corner frequency at level - 3dB. Two options are currently available, the model 65HTLPF-10-02 featuring a corner frequency of 2 kHz and the 65HTLPF-10-10 featuring a corner frequency of 10 kHz. Other corner frequencies are available upon request. This product is fully compliant to the European Union's Low Voltage Directive, 2006/95/EC and EMC Directive 2004/108/EC and is eligible STANDARD TOLERANCE INCHES [MILLIMETERS]

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Endevco® model 65HTLPF Isotron® accelerometer - 2

Model 65HTLPF 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 ±500 Voltage sensitivity Typical mV/g 10 Tolerance % 10 Frequency response See typical amplitude response Amplitude response ±5% Hz 5 to 1000 5 to 5000 ±1 dB Hz 3 to 1400 3 to 7000 Resonance frequency Hz 40 000 Low-pass filter corner frequency (-3 dB) kHz...

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Endevco® model 65HTLPF Isotron® accelerometer - 3

Model 65HTLPF 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 each axis of the accelerometer to ensure full scale operation at the temperature extremes. 2. Shock pulses of short duration may excite transducer resonance....

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