IEPE是指一種自帶電量放大器或電壓放大器的加速度傳感器

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更新時(shí)間：2024-06-26

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IEPE是指一種自帶電量放大器或電壓放大器的加速度傳感器。IEPE是壓電集成電路的縮寫(xiě)。因?yàn)橛杉铀俣葌鞲衅鳟a(chǎn)生的電量是很小的，因此傳感器產(chǎn)生的電信號(hào)很容易受到噪聲干擾，需要用靈敏的電子器件對(duì)其進(jìn)行放大和信號(hào)調(diào)理。IEPE中集成了靈敏的電子器件使其盡量靠近傳感器以保證更好的抗噪聲性并更容易封裝。

美國(guó)Dytran的3256A1是一款I(lǐng)EPE加速度傳感器/振動(dòng)傳感器，靈敏度10 mV/g，自帶10-32接口和10-32螺紋，性能可靠，即使在潮濕和多塵環(huán)境下。

The Dytran 3256A1 is a cost effective, single axis IEPE accelerometer. Available with a sensitivity of 10 mV/g, the model 3256A1 features wide bandwidth and incorporates a ceramic shear sensing element packaged in a durable titanium housing, with a 10-32 axial connector and 10-32 stud mounting capabilities. Units incorporate low noise JFET electronics and are hermetically sealed for reliable performance in high humidity and dirty environments.

特性

1. 10 mV/g sensitivity

2. 500g range

3. 1 to 10,000 Hz frequency range (±5%)

4. 10-32 axial connector

5. 10-32 tapped hole

6. 10 grams

7. Titanium

8. Hermetically sealed

9. Low noise JFET electronics

10. IEPE

應(yīng)用

1. Modal analysis

模態(tài)分析

2. Vibration control

振動(dòng)控制

3. General purpose vibration monitoring

一般用途振動(dòng)監(jiān)測(cè)

Weight 0.35 oz 10 grams

Sensitivity, ±5%

Range for ± 5 Volts Output 500 G peak 4905 m/s2

Frequency Response, ±10% 1 to 10,000 Hz 1 to 10,000 Hz

Resonant Frequency > 36 kHz > 36 kHz

Broad Bａnd Resolution 0.0040 G rms 0.0392 m/s2 rms

Linearity [2] ±1 % F.S. ±1 % F.S.

Maximum Transverse Sensitivity 5 % 5 %

Strain Sensitivity @ 250με 0.001 G/με 0.01 m/s2/με

ENVIRONMENTAL

Maximum Vibration 600 G peak 5886 m/s2 peak

Maximum Shock 3000 G peak 29430 m/s2 peak

Temperature Range -60 to 250 °F -51 to 121 °C

Seal HERMETIC HERMETIC

ELECTRICAL

Supply Current Range [3] 2 to 20 mA 2 to 20 mA

Compliance Voltage Range +18 to +30 Volts +18 to +30 Volts

Output Impedence,Typ 100 Ω 100 Ω

Bias Voltage +9 to +13 VDC +9 to +13 VDC

Discharge Time Constant .5 to 1.5 Sec .5 to 1.5 Sec

訂貨型號(hào)

型號(hào)	靈敏度(mV/g)	量程（g）	沖擊力（g）	工作溫度(°F)
3256A1	10	± 500	3000	-51 - +121
3256A2	100	± 50	2000	-51 - +121
3256A3	500	± 10	1000	-51 - +121
3256A4	20	± 250	3000	-51 - +121
3256A5	50	± 100	3000	-51 - +121
3256A6	200	± 25	2000	-51 - +121

TEDS版本

型號(hào)	靈敏度(mV/g)	量程（g）	沖擊力（g）	工作溫度(°F)
3256A1T	10	± 500	3000	-51 - +121
3256A2T	100	± 50	2000	-51 - +121
3256A3T	500	± 10	1000	-51 - +121
3256A4T	20	± 250	3000	-51 - +121
3256A5T	50	± 100	3000	-51 - +121
3256A6T	200	± 25	2000	-51 - +121