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Vibration sensor(transducer)

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Vibration sensor(transducer)

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MJ-VR9700 Piezoelectric speed sensor

Such products are my company in many years of practical experience and engineering applications based on research and development, improved vibration velocity sensor. In the piezoelectric acceleration sensor based on the specialized high-precision design, the internal embedded precision integration circuit. Compared with the traditional magnetoelectric type, because of adopting the piezoelectric crystal as the sensitive element, there is no moving parts inside, no degeneration and wear occurs, and the frequency response range is wide, the mechanical moving parts are not easily damaged, the dynamic characteristics are excellent, the anti-interference ability is strong , Long-term reliable work, suitable for measuring absolute (relative to free surface) vibrations of bearing housings, housings or structures in a variety of harsh environments at industrial sites.This type of product has a wide range of applications and measurement prospects in vibration monitoring of rotating machinery, engineering geology, seismic monitoring, vibration and modal analysis of high-rise buildings and large structures, traffic bridges, scientific research, teaching and other fields.

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Such products are my company in many years of practical experience and engineering applications based on research and development, improved vibration velocity sensor. In the piezoelectric acceleration sensor based on the specialized high-precision design, the internal embedded precision integration circuit. Compared with the traditional magnetoelectric type, because of adopting the piezoelectric crystal as the sensitive element, there is no moving parts inside, no degeneration and wear occurs, and the frequency response range is wide, the mechanical moving parts are not easily damaged, the dynamic characteristics are excellent, the anti-interference ability is strong , Long-term reliable work, suitable for measuring absolute (relative to free surface) vibrations of bearing housings, housings or structures in a variety of harsh environments at industrial sites.This type of product has a wide range of applications and measurement prospects in vibration monitoring of rotating machinery, engineering geology, seismic monitoring, vibration and modal analysis of high-rise buildings and large structures, traffic bridges, scientific research, teaching and other fields.

●  Anti-vibration, impact resistance, overload capacity

● Simplifies testing and outputs direct mating display processing instrumentation

● Low frequency characteristics, wide frequency range

● Long-term stability

●  Easy to use, no adjustment required

●  Piezoelectric small size, no moving parts, long life, stiffness

2.Temperature curve parameters

3.Frequency response curve parameters

4.Dimensions parameters

5.Outline diagram

6.System lead way

7.Usage and precautions 

Because the sensor has a built-in circuit, it is not allowed to test the insulation resistance between the sensor's core and the housing with a high voltage, which can easily damage the sensor. Please remember, or damage will not be replaced. Easy to determine the method as follows: R test with a multimeter can be positive about tens of K ~ 100KΩ, inverse infinity.  

Company sensor test conditions: 160Hz, 4mA, 10ms-2, 20 ± 5 ℃.

Sensor does not need to be adjusted in use, locking, easy to use, but it is recommended to avoid falling when using, resulting in excessive impact damage, please note.

Due to the sensor is a sophisticated transducer, please pay attention to moisture, especially the plugs, sockets at the moisture, pollution.

Product warranty period of one year, it is recommended to test once a year, the user shall not disassemble to prevent man-made damage. Overrun lifetime maintenance, collecting materials and maintenance costs. 

8.Accessories

Item

Name

Quantity

1

sensor

1

2

cable conductor

1

3

mounting bolt

1

4

product qualification certificate

1

Model

 

Measuring range

 0-1000mm / s (optional) ※ 0-50g ※ 0-10mm

 Output current

4-20MA

  response frequency

4-1000HZ (speed measurement)  2-2000HZ(acceleration measurement)

 speed direction

sensor (X, Y, Z) three-phase

 Ambient temperature

 -10 ℃ - +70 ℃

supply voltage

9V-36V

Housing material

304 stainless steel

Weight

110 grams

Installation thread

M5, M10 * 1.5 thread or magnetic seat (or special custom) M10 * 1

Piezoelectric material

PZT-5

Output

5 / 8-24 four-pin socket (a power supply +24 V, the other three root 4-20mA signal output)

MJ-VR9700-A□□-B□□-C□□-D□□-E□□

A □□measuring type

C □□mounting thread                             D □□ lead way  

0 1 M10 × 1.5                                    A :  aviation plug  

0 2 M10 × 1                                     B:   directly lead 

0 3 M8 × 1.25                                   01   1m

0 4magnetic base                                 02   2m

0 5 customized……                                  03   3m 

E □□ armoured

0 0 with armoured         

0 1 without  armoured

 

exampleMJ-VR9700-A01-B02-C01-D A02-E01

expressionmeasurement—velocityrange---0 -20mm/smounting way ----M10 × 1terminal output2mwithout means armoured

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