PTB220 Series Digital Barometers USER'S GUIDE, introduces the safety, warranty, product description, getting started, commissioning, installation, operating, etc.
This guide introduces the PTB220 series digital barometers, describing the BAROCAP® silicon capacitive pressure sensor, measurement principle, and available hardware configurations. It covers safety warnings, warranty details, and the overall product description.
The manual details getting‑started procedures, commissioning, installation, operating modes, adjustment, calibration, self‑testing, and technical specifications. Appendices provide hardware diagrams, pin assignments, serial interface commands, and conversion charts.
| Pressure operating range | 50…1100 hPa (500…1100 hPa optional) |
|---|---|
| Operating temperature range | -40 °C … +60 °C |
| Accuracy (Class A) | 0.1 % |
| Linearity (Class A) | ± 0.05 hPa |
| Hysteresis (Class A) | ± 0.02 hPa |
| Repeatability (Class A) | ± 0.02 hPa |
| Calibration uncertainty (Class A) | ± 70 ppm |
| Long‑term stability | ± 0.1 hPa / year |
| Weight | 1 kg |
| Dimensions | 120 × 25.6 × 145 mm |
| Maximum pressure limit | 5000 hPa abs. |
| Electrical connector | Female 9‑pin subD‑connector |
The PTB220 measures pressure from 50 hPa up to 1100 hPa, with an optional range of 500 hPa to 1100 hPa.