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OEM Accelerometer
Model 528
* * * * * Low Impedance Low-Noise, High Output TO-8 Packaging Wide Bandwidth Low Cost / OEM Applications
ENDEVCO
MODEL 528
DESCRIPTION
The ENDEVCO Model 528 is a miniature piezoelectric accelerometer configured in a TO-8 package. As a low-impedance piezoelectric device, the Model 528 offers a wide frequency response, high shock survivability and low noise. The Model 528 is designed specifically to provide high-performance integrated vibration measurement of machines, structures or vehicles. Mounting hardware and cabling are eliminated. The device is designed for integration in standard hybrid or SMT electronics packaging and may be mounted by either adhesive or soldering. The ENDEVCO Model 528 is a hermetically sealed design capable of withstanding long-term reliability in harsh environments. The Model 528 is available with two power configuration options: 528-01: +18 to +28 VDC, 2 to 20 mA constant current 528-02: +5 to +18 VDC, 0.39 to 2 mA constant current
TYPICAL AMPLITUDE RESPONSE TYPICAL AMPLITUDE RESPONSE
TYPICAL TEMPERATURE RESPONSE
20 15 10
20 15 10
% DEVIATION
% DEVIATION
5
5 0 -5 -10 -15
dB DEVIATION
0 -5 -10
-X-010, 100 -Y-010, 100
10 100 1000
-15 -20 10000
-100 (-73) -50 0 (-18) 50 100 (38) 150 200 (93) 250 -20 300 (149)
1
FREQUENCY IN HERTZ
TEMPERATURE F (C)
APPLIES TO CALIFORNIA FACILITY
ENDEVCO
OEM Accelerometer
SPECIFICATIONS
Values are typical at +23C, referenced at 100 Hz and conform to ISA-RP 37.2 (1-64) unless otherwise specified.
MODEL 528
DYNAMIC CHARACTERISTICS RANGE VOLTAGE SENSITIVITY (20%) RESONANCE FREQUENCY AMPLITUDE RESPONSE 10% TEMPERATURE RESPONSE Sensitivity deviation at -40C Sensitivity deviation at +125C TRANSVERSE SENSITIVITY AMPLITUDE LINEARITY ELECTRICAL CHARACTERISTICS SUPPLY VOLTAGE SUPPLY CURRENT WARM-UP TIME DC OUTPUT BIAS VOLTAGE FULL SCALE OUTPUT VOLTAGE NOISE BROADBAND OUTPUT CHARACTERISTICS OUTPUT POLARITY GROUNDING ENVIRONMENTAL CHARACTERISTICS OPERATING TEMPERATURE HUMIDITY SINUSOIDAL VIBRATION LIMIT SHOCK LIMIT [1] BASE STRAIN SENSITIVIY PHYSICAL CHARACTERISTICS DIMENSIONS WEIGHT CASE MATERIAL SUPPORT LID OUTPUT CONNECTION
Units g mV/g KHz Hz % % % %
528-100 50 100
528-500 25 500 0.5 to 10 000 +3.5 -3.7 <5 < 1 to full scale
525-1000 5 1000
Vdc mA sec Vdc Vdc Vrms
(-01)+18 to +28 (-01)+2 to +20 <5 (-01)+7 to +14 100 1.6V 50
(-02)+5 to +18 (-02)+0.4 to +2 (-02)+2.7 to +3.6 10
Signal Ground Connects to Case
g pk g pk
-54C to +125C (-65F to +257F) Hermetic 500 10000
oz (gram)
TO-8 package 0.60" dia, 0.40" tall 0.88 (25) Stainless Steel Kovar, gold plated Stainless Steel 1 Output lead 1 ground
ACCESSORIES No accessories included. NOTES 1. Maintain high levels of precision and accuracy using Endevco's factory calibration services. Call Endevco's inside sales force at 800-982-6732 for recommended intervals, pricing and turn-around time for these services as well as for quotations on our standard products.
Continued product improvement necessitates that Endevco reserve the right to modify these specifications without notice. Endevco maintains a program of constant surveillance over all products to ensure a high level of reliability. This program includes attention to reliability factors during product design, the support of stringent Quality Control requirements, and compulsory corrective action procedures. These measures, together with conservative specifications have made the name Endevco synonymous with reliability. ENDEVCO CORPORATION, 30700 RANCHO VIEJO ROAD, SAN JUAN CAPISTRANO, CA 92675 USA (800) 982-6732 (949) 493-8181 fax (949) 661-7231 www.endevco.com Email:applications@endevco.com 1100

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