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参数资料
| 型号： | 0-1002794-0 |
| 厂商： | Measurement Specialties Inc/Schaevitz |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | SENSOR PIEZO FILM VIBRA TABS |
| 产品目录绘图： | 1002794-0 Positive Side 1002794-0 Negative Side 1002794-0 Stretch Direction 1002794-0 Connector |
| 标准包装： | 100 |
| 传感器类型： | 加速 |
| 传感范围： | 0Hz ~ 180Hz |
| 灵敏度： | 50mV/g |
| 输出类型： | 模拟 |
| 工作温度： | 0°C ~ 85°C |
| 特点： | 28µm 压电薄膜元件上覆盖了 0.005 英寸（125µ m）聚酯层 |
| 封装/外壳： | 悬臂压电薄膜（晶片） |
| 安装类型： | 通孔 |
| 端子： | PC 引脚 |
| 产品目录页面： | 2827 (CN2011-ZH PDF) |
| 配用： | MSP1010-ND - SENSOR PIEZO FILM DESIGN KIT |
| 其它名称： | 0-1002794-1 1002794-0 LDTO-028K MSP1006 |
LDT with Crimps Vibration Sensor/Switch
Piezo Film Sensors
High Sensativity
AC Coupled
Laminated
Robust
The LDT0-028K is a flexible component
comprising a 28 μm thick piezoelectric PVDF
polymer film with screen-printed Ag-ink
electrodes, laminated to a 0.125 mm polyester
substrate, and fitted with two crimped contacts.
As the piezo film is displaced from the
mechanical neutral axis, bending creates very
high strain within the piezopolymer and therefore
high voltages are generated. When the assembly
is deflected by direct contact, the device acts as
a flexible "switch", and the generated output is
sufficient to trigger MOSFET or CMOS stages
directly. If the assembly is supported by its
contacts and left to vibrate "in free space" (with
the inertia of the clamped/free beam creating
bending stress), the device will behave as an
accelerometer or vibration sensor. Adding mass,
or altering the free length of the element by
clamping, can change the resonant frequency
and sensitivity of the sensor to suit specific
applications. Multi-axis response can be
achieved by positioning the mass off center. The
LDTM-028K is a vibration sensor where the
sensing element comprises a cantilever beam
loaded by an additional mass to offer high
sensitivity at low frequencies.
FEATURES
dimensions
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Solder Tab Connection
Both No Mass & With Mass Version
Withstands High Impact
Operating Temperature: 0 o C to 85 o C
Storage Temperature: -40 o C to 85 o C
Higher Temperature Version up to 125 o C
available on a Custom Basis
APPLICATIONS
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Vibration Sensing in Washing Machine
Low Power Wakeup Switch
Low Cost Vibration Sensing
Car Alarms
Body Movement
Security Systems
LDT0-028K Piezo Vibration Rev 1
www.meas-spec.com
1of 4
10/13/2008
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