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Piezoelectric plate applied in measuring heat meter instrument
(1) model TPY-R1M-1800
(2) size&dimension(diameter*thickness) Φ20*11
(3) electric performance data
No. | Item | Specification | Note |
1 | device frequency(KHz) | 1000 | |
2 | static capacitance(pf)/(tested under 1KHZ) | 1000±15% | |
3 | resonance resistance(Ω) | ≤100 | |
4 | change rate of capacitance temperature ΔC/C
| ≤20%(16%) | (-27°C~+85°C) |
5 | coefficient of frequency temperature TKFr | ≤100ppm/°C(60) | |
6 | pressure-resisting value of reverse direct current | DC≥100V | |
7 | insulation resistance | ≥200MΩ | |
8 | work temperature | -30°C~+85°C | |
9 | application | various of piezo sensor in measuring heat meter instrument | |
Advantage: excellent electric performance,low change rate of capacitance andfrequency, high reverse-resisting direct current, generally applied in manufacturing piezo heat sensor with comprehensive performance, international top-level. | |||
measuring piezo flow sensor applied in heat meter instrument