D33 meter - Sinocera YE2730 (Sinocera Piezotronics Inc., China)

Description: Sinocera YE2730 is a quasi-static d₃₃ meter designed for the direct measurement of the piezoelectric coefficient d₃₃ of piezoelectric ceramics, polymers, and single crystals using the Berlincourt method. The instrument is intended for scientific research and quality control of piezoelectric materials and devices.
Specifications:
D33 measuring range: 1-300 pC/N (×0.1), 10-2000 pC/N (×1)
Accuracy: ±2 % upper range, ±5% lower range
Resolution։ 0.1 pC/N (×0.1), 1 pC/N (×1)
Force frequency: 110 Hz, 0.25 N
Polarity indication: display
Shunt Capacitance: 1 pF / 0.1 pF