PTB330
BAROCAP® digital barometer for professional meteorology, aviation and laboratory use
A high-end digital barometer built on the BAROCAP® silicon capacitive sensor, for demanding atmospheric pressure measurements. Available with 1, 2 or 3 redundant sensors with continuous cross-comparison of readings, QNH/QFE height correction for aviation, and a graphical display with trend and 1-year history. Every unit ships with a traceable factory calibration certificate.
Download datasheet (PDF)Technical specifications
- Measurement range
- 500–1100 hPa; opción 50–1100 hPa
- Accuracy at +20 °C
- ±0,10 hPa (clase A) / ±0,20 hPa (clase B)
- Long-term stability
- ±0,1 hPa/año
- Operating temperature
- −40 °C a +60 °C (0 °C a +60 °C con display)
- Housing rating
- IP66 (IP65 con display local)
- Outputs
- RS-232, RS-485, RS-422; analógica opcional (0–20 / 4–20 mA; 0–1 / 0–5 / 0–10 V)
Key features
- Single-crystal silicon BAROCAP® sensor — capacitive, absolute pressure
- Optional redundancy: 1, 2 or 3 sensors with continuous cross-comparison of readings
- QNH and QFE height-corrected pressure for aviation use
- Multilingual graphical display with WMO pressure trend and tendency code, and 1-year history
- Accuracy classes A and B, both with a traceable factory calibration certificate
- Corrosion-resistant aluminium housing, suitable for outdoor and marine environments
Typical applications
- Aviation — QNH/QFE pressure at airfields
- Professional meteorology and observation networks
- Calibration laboratories and transfer standards
- Precision laser interferometry
- Exhaust gas analysis in engine test benches
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