Key facts
- Brand
- Vaisala
- Model
- PTB220
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-06
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Vaisala PTB220 Digital Barometer User's Guide
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.
Vaisala PTB220 specifications
| Supply voltage | 10…25 VDC |
|---|---|
| Current consumption (battery operation) | 50 mA |
| Recharging current at 10 V | 300 mA |
| Battery type | NPO.8-12 (12 V / 800 mAh) |
| Battery manufacturer | YUASA |
| Operating time | 12 hours continuous use (display backlight on) |
| Recharging time | 12 h (typical) |
| Dimensions (W × H × D) | 25 cm × 24 cm × 22 cm |
| Weight | 7 kg (including the barometer) |
| Communication interfaces | RS232 full-/half-duplex, RS485 half-duplex |
| Connectors | 9‑pin female sub D‑connector, 6‑pin 5 mm screw‑terminal bus |
Source: Vaisala PTB220TS User Guide
All Vaisala PTB220 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What power source does the PTB220TS use?
The PTB220TS operates from a DC supply of 10 … 25 VDC, either via a wall adapter or its internal 12 V lead‑acid battery, which is recharged when the adapter is connected.
How long does the internal battery last and how long does it take to recharge?
The battery provides about 12 hours of continuous use with the backlight on, and a typical recharge takes 12 hours.
What is the pressure measurement range of the PTB220 barometer?
The PTB220 measures pressure from 50 hPa up to 1100 hPa, with an optional range of 500 hPa to 1100 hPa.