3128A加速度传感器

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IEPE是指一种自带电量放大器或电压放大器的加速度传感器

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更新时间：2024-06-26

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IEPE是指一种自带电量放大器或电压放大器的加速度传感器。IEPE是压电集成电路的缩写。因为由加速度传感器产生的电量是很小的，因此传感器产生的电信号很容易受到噪声干扰，需要用灵敏的电子器件对其进行放大和信号调理。IEPE中集成了灵敏的电子器件使其尽量靠近传感器以保证更好的抗噪声性并更容易封装。

美国Dytran的3128A是一款超高灵敏度的IEPE加速度传感器/振动传感器，灵敏度高达1000mV/g，专为井下钻头振动监测和其他低开启电压应用而设计。

The Dytran 3128A is an IEPE accelerometer with ultra high sensitivity of 1,000 mV/g and was designed for down-hole drill head vibration monitoring and other low turn-on voltage applications where supply power is limited.

Sensors developed for down-hole vibration monitoring must be able to deliver accurate and reliable data, while simultaneously tolerating harsh conditions. Critical characteristics of these sensors include a low-profile design, broad operating temperature, and the ability to operate at low power levels. The Dytran model 3128A is ideal for such applications, as it is packaged in a low profile stainless steel housing with a vertical height of just 1.16-inches (29.5-millimeters) and was specially designed to operate from +2.0 to +3.5 VDC bias voltage.

The Dytran model 3128A is designed with 10-32 mounting capabilities and 10-32 radial connector. Units are case isolated to avoid EMI/ground loop interference and are hermetically sealed for reliable operation in high humidity and dirty environments.

特性

1. 1,000 mV/g sensitivity

2. 1.5g range

3. 0.25 to 3,000 Hz frequency range (±5%)

4. 10-32 radial connector

5. 10-32 tapped hole

6. 50 grams

7. Stainless steel

8. Hermetically sealed

9. Case isolated

10. High sensitivity

11. Operates from +2.0 to +3.5 VDC

12. IEPE

应用

1. Down-hole drill head vibration monitoring

井下钻头振动监测

2. Low turn-on voltage applications where power supply is limited

受限空间内低开启电压应用

Weight, Max. 1.8 oz 50 grams

Connector Type 10-32 UNF-2A 10-32 UNF-2A

Material, Housing/Connector 300 Series 300 Series

Sensing Element Ceramic Ceramic

Sensitivity, ±10% [1] 1,000 mV/g 102 mV/m/s2

Range for ± 1.5 Volts Output 1.50 g 14.7 m/s2

Frequency Response, ±5% 0.25 to 3000 Hz 0.25 to 3000 Hz

Resonant Frequency > 20 kHz > 20 kHz

Broad Bａnd Resolution 0.0002 Grms 0.002 m/s2 rms

Linearity [2] ±1 % F.S. ±1 % F.S.

Maximum Transverse Sensitivity 5 % 5%

Base Strain Sensitivity @ 250με 0.008 g/με 0.08 m/s2/με

ENVIRONMENTAL

Maximum Vibration 300 Gpeak 2943 m/s2 peak

Maximum Shock 100 Gpeak 981 m/s2 peak

Temperature Range -60 to 200 °F -51 to 129 °C

Coefficient of Thermal Sensitivity ≤ 0.08 %/°F ≤ 0.14 %/°C

Seal Hermetic Hermetic

ELECTRICAL

Supply Current Range [3] 0.4 to 0.7 mA 0.4 to 0.7 mA

Compliance Voltage Range 5 to 7 Volts 5 to 7 Volts

Warm up time (to 10% of Bias) <30 sec <30 sec

Output Impedence,Typ 100 Ω 100 Ω

Bias Voltage 2.0 to 3.5 VDC 2.0 to 3.5 VDC

Discharge Time Constant 2 to 4 Sec 2 to 4 Sec

Electrical Isolation 10 GΩ,min 10 GΩ,min

订货型号

3128A

配件

Supplied Accessories: (1) model 6200 mounting stud (10-32 to 10-32), (1) model 6215 thermal boot

Recommended Accessories: model 4110C current source power unit, model 6196 magnetic mounting base model 6213 adhesive mounting base

Compatible Cables: 6010A, 6011A, 6012A, 6016A, 6018A, 6022A, 6026A, 6032A, 6033A, 6049A, 6050A, 6051A, 6053A, 6054A, 6066A, 6069A, 6093A, 6099A, 6400A, 6401A, 6412A, 6429A, 6924A, 6930A, 6991A

IEPE是指一种自带电量放大器或电压放大器的加速度传感器

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