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Ceramic capacitive pressure sensor
1. With Jiuhao, Nanochip Micro, Qijie chip is very well matched, single temperature calibration can meet ±2%FS, dual temperature calibration can meet ±1%FS;
2. Can provide pre-installation application solutions and technical support;
3. The second-order fitting accuracy can reach 1%, and the third-order fitting accuracy can reach 2%;
Pressure range: 5Bar, 10Bar, 20Bar, 35Bar, 50Bar, 70Bar, 100Bar
Pressure type: gauge pressure/absolute pressure/sealing pressure
Overload pressure: 3 times the pressure range
Burst pressure: 5 times the pressure range
Working temperature: -40°C~150°C
Atmospheric capacitance: 20.0±2.0pF @100KHz, 1.0Vrms, metal measurement tooling
Full-pressure sensitivity: 4.5~7.5pF/FS, typical: 6.0pF/FS;
Temperature drift: Tco&Tcs 0.015%FS/°C Max. @-40°C~150°C
Nonlinearity: first-order fit 6-9%FS, second-order fit 0.4%FS Max., third-order fit 0.2%FS Max.
Hysteresis & repeatability: 0.20% FS Max.
Response time: <2mS
Working life: > 5 million times 0-full-scale-0 pressure cycle @ 2-5Hz, 15-35°C
Long-term stability zero @ 25±5°C: <0.20% FSO (no time accumulation)