1. Features and Applications: Streamlined and non reflective appearance, fully flush structure without tube cavity, superior static performance and dynamic response capability, low noise, high resolution, high signal-to-noise ratio, equipped with fire-resistant conduit, minimum range up to 50kPa, optional dual shielded twisted pair special anti-interference cable. This product is used for measuring the free field pressure of various small pressure explosion shock waves.
2. Pressure range: 0-50kpa to 500kpa
3. Natural frequency and rise time (bandwidth: 0~1/3 natural frequency)
Range kpa | 50 | 100 | 200 | 340 | 500 |
Natural frequency kHz | 80 | 100 | 120 | 150 | 180 |
Rise time μ s | 2 | 2 | 1 | 1 | 1 |
4. Nonlinear: ± 0.2% to ± 0.5%
5. Accuracy level:
Indicator/Rank | Drift at midnight mv/8h |
Zero temperature coefficient ×10-4FS/℃ |
Sensitivity temperature coefficient ×10-4FS/℃ |
Nonlinear ±%FS |
Non repeatability and delay %FS |
JA | 0.2 | 5 | 5 | 0.5 | 0.2 |
JB | 0.15 | 3 | 3 | 0.2 | 0.1 |
6. Measuring medium temperature: -50 ℃~120 ℃ (can withstand 2000 ℃/20ms under special measures)
7. Compensation temperature range: 0 ℃ to 50 ℃. (can also be customized according to user requirements)
8. Anti light interference characteristics: Anti natural visible light
9. Diameter: Φ 34mm, Φ 25mm (special dimensions need to be negotiated in advance)
10. Power supply mode: ① Constant current source or constant voltage source ② ± 15VDC
11. Output mode: ① Differential millivolt signal, output sensitivity 2-4mV/V (below 200kpa) 5-10mV/V (above 400kpa) ② Equipped with amplifier, standard value 0-5V
12. Measurement medium: Non corrosive medium compatible with silicon, stainless steel, or aluminum alloy (special measurement medium needs to be notified in advance)