Layered piezoelectric d33 measuring instrument, Layered piezoelectric measuring instrument, 10000PC/Nd33 measuring instrument

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ZJ-5Layered piezoelectric tester (layered static piezoelectric coefficient d33 measuring instrument)
Keywords: laminated piezoelectric, ceramic materials, polymers, d33，50000pC/N

1Product Introduction:

Piezoelectric ceramics are the main piezoelectric materials used in ultrasonic motors. At present, the vast majority of ultrasonic motors at home and abroad use single-layer or multi-layer piezoelectric ceramic sheets (hereinafter referred to as piezoelectric sheets) with a thickness of millimeters as driving elements. As the ultrasonic motor moves towards

The development of small, light, thin, high-efficiency, low vibration, low noise, and low price not only requires the performance requirements of piezoelectric ceramics

It is getting higher and higher, and new requirements are being put forward for its structure and size. Among them, piezoelectric stack has become a new research direction

Piezoelectric stack, also known as stacked piezoelectric ceramic actuator, multi-layer stacked piezoelectric ceramic, or layered piezoelectric micro displacement device,

It refers to the thickness100μmDozens or even hundreds of layers of piezoelectric ceramics, along with electrodes, are sintered using solid-state sintering technology

A piezoelectric ceramic group that is fabricated and polarized along the thickness direction of the ceramic layer, with each layer mechanically connected in series in the circuit

Parallel connection. Compared with the above-mentioned piezoelectric sheets, piezoelectric stacks have high energy conversion efficiency, low power consumption, and fast response speed

High resolution, large output force, large and stable output displacement, and low creep, especially capable of achieving low-voltage driving

The advantage of small size has good application prospects in various driving scenarios, including ultrasonic motors.

ZJ-5Layered piezoelectric tester（laminatedThe static pressure electric coefficient d33 measuring instrument is used for measuringlaminatedAn instrument designed for measuring the d33 constant of piezoelectric materials, which can be used to measure parameters withlaminatedPiezoelectric ceramics with high piezoelectric constants, piezoelectric single crystals with low piezoelectric constants, and piezoelectric polymer materials. In addition, it can also measure the equivalent piezoelectric d'33 constant of any oriented piezoelectric single crystal and certain piezoelectric devices. The instrument has a wide measurement range, fine resolution, high reliability, simple operation, and no special requirements for sample size and shape. Circular discs, rings, tubes, blocks, strips, columns, and hemispherical shells can be measured, and the measurement results and polarity are directly displayed on a three and a half digit panel meter. This instrument is designed for the production, application, and research department of piezoelectric materials and components.

2、 Reference standards:
GB3389.4-82 "Testing Methods for Properties of Piezoelectric Ceramic Materials - Static Test of Longitudinal Piezoelectric Strain Constant d33"

GB/T3389.5-1995Testing methods for properties of piezoelectric ceramic materials - Circular thickness stretching vibration mode

GB000? Tj1.1/T3389.4-1982Methods for Testing the Properties of Piezoelectric Ceramic Materials - Longitudinal Length Expansion Vibration Modes of Columns

GB/T 3389.7-1986Methods for Testing the Properties of Piezoelectric Ceramic Materials - Testing of Strong Field Dielectric Properties

GB/T3389.8-1986Testing methods for properties of piezoelectric ceramic materials - Testing of pyroelectric coefficient
3、 Main functions of the product:

Measure the d33 constant of laminated piezoelectric materials

Measurement of stacked piezoelectric ceramics with high piezoelectric constants

Measurement of small piezoelectric constants in piezoelectric single crystals and piezoelectric polymer materials

Measure the equivalent piezoelectric d'33 constant of arbitrary orientation piezoelectric single crystals and certain piezoelectric devices

4、 Main technical indicators

★× 1st gear: 20 to 2000pC/N,
★× 10 gears: 2000 to 50000pC/N,
★ Error: * 1 gear: ± 2% ± 1 digit, when d33 is between 200 and 2000pC/N;
★± 5% ± 1 digit, when d33 is between 20 and 200pC/N;
★10 gears: ± 2% ± 1 digit (when d33 is between 2000 and 50000pC/N)
± 5% ± 1 digit, when d33 is between 200 and 2000pC/N.

★ Voltage protection: * discharge protection function
★resolving power: 1 gear: 1 pC/N; 0.1 gear: 0.1 pC/N.
Size: Force application device: Φ 110 × 140mm; Instrument body: 240 × 200 × 80mm.
Weight: Force application device: approximately 4 kilograms;
Instrument body: 2 kilograms.
Power supply: 220V, 50Hz, 20W.