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汉斯福特代理的美国Dytran 5860B是一款IEPE阻抗头，阻抗头集成了一个测量机械阻抗的100mV/Lbf力传感器和100 mV/g的加速度传感器，能够同时测量驱动力与合成加速度。
The Dytran 5860B is an IEPE impedance head, consisting of a 100 mV/lbf force sensor and a 100 mV/g accelerometer within the same housing, designed to simultaneously measure driving force and resultant acceleration at the point of force applied to a test article.
One method to excite a larger test object is to vibration the structure using an electrodynamic shaker attached to the test object by a stinger and an impedance head. The driving point impedance may be then accurately measured over various frequencies of interest. Output signals from the impedance head may be then fed to a spectrum analyzer, and with appropriate software, may be used to compute the dynamic impedance function. Dynamic impedance is designed a Force/Velocity. The force is read out directly from the 5860B and a single integration of the accelerometer signals yields velocity. Computations are made by an appropriately programmed spectrum analyzer and the dynamic impedance function displayed graphically.
特性
1. 50 mV/g sensitivity
2. 100 mV/lbf sensitivity
3. 1 to 8,000 Hz frequency range (±10%)
4. (2) 10-32 radial connectors
5. 10-32 tapped hole
6. 60 grams
7. Stainless steel
8. Simultaneously measures force and acceleration
9. IEPE
应用
模态与结构分析
RANGE FOR ±5 VOLTS OUT 50 Lb F
MAXIMUM FORCE ± 100 Lb F
SENSITIVITY, ± 10% 100 mV/Lb F
RESOLUTION .007 Lb F
RESONANT FREQUENCY, UNLOADED >50 kHz
LINEARITY ± 2 %FS
MASS AHEAD OF QUARTZ CRYSTALS 10 Grams
POLARITY OF OUTPUT SIGNAL Positive For Compression
BIAS VOLTAGE 7.5 to 9.5 VDC
ACCELEROMETER
RANGE FOR ± 5 VOLTS OUT ±50 G’s
MAXIMUM ACCELERATION ±100 G’s
SENSITIVITY, ±10% 100 mV/G
FREQUENCY RESPONSE, ±5% 1 to 8000 Hz
RESONANT FREQUENCY >35 kHz
LINEARITY ±1 %FS
TRANSVERSE SENSITIVITY, MAX 5 %
POLARITY Positive Toward Driving Point
BIAS VOLTAGE 11 to 13 VDC
COMMON SPECIFICATIONS
STIFFNESS, OVERALL 2.2X107 Lb/in
OUTPUT IMPEDANCE 100 Ohms
TEMPERATURE RANGE -100 to +250 °F
DISCHARGE TIME CONSTANT 1.0 – 2.0 Sec.
COEFFICIENT OF THERMAL SENSITIVITY .03 %/°F
COMPLIANCE VOLTAGE +18 to +30 VDC
CONSTANT CURRENT RANGE 2 to 20 mA
SIZE, HEX X HEIGHT .75 X 1.06 In
WEIGHT 60 Grams
MATERIAL 316L St. Steel
MOUNTING THREAD, BOTH ENDS 10-32 UNF-2B
配件
Model 6200 mounting studs (10-32 to 10-32)
订货型号
5860B
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