Vaisala BAROCAP Digital Barometer PTB330
- Vaisala BAROCAP® sensor
- Accurate measurement
- Excellent long-term stability
- Added reliability through redundancy
- Graphical trend display with 1-year history data
- Altitude corrected pressure (QFE, QNH)
- For professional use in meteorology, aviation, laboratories, and demanding industrial applications
Description
Inputs and Outputs
- Supply voltage 10 … 35 VDC
- Supply voltage sensitivity negligible
- Typical power consumption at +20 °C (Uin 24 VDC, one pressure sensor)
- RS-232 25 mA
- RS-485 40 mA
- Uout 25 mA
- I out 40 mA
- display and backlight +20 mA
- Serial I/O RS232C, RS485/422
- Pressure units hPa, mbar, kPa, Pa inHg, mmH2 0, mmHg, torr, psia
- Acceleration sensitivity negligible
- Pressure connector M5 (10-32) internal thread
- Pressure fitting barbed fitting for 1/8” I.D. tubing or quick connector with shutoff valve for 1/8” hose
- Maximum pressure limit 5000 hPa abs.
- Compliance EMC standard EN61326-1:1997 + Am1:1998 + Am2:2001: Industrial Environment
| Measurement | |
|---|---|
| Barometric pressure range (Class A/B) | 500–1100 hPa |
| Barometric pressure range (Class B extended) | 50–1100 hPa |
| Linearity (Class A, 500–1100 hPa) | ±0.05 hPa |
| Linearity (Class B, 500–1100 hPa) | ±0.10 hPa |
| Linearity (Class B, 50–1100 hPa) | ±0.20 hPa |
| Hysteresis (500–1100 hPa) | ±0.03 hPa |
| Hysteresis (Class B, 50–1100 hPa) | ±0.08 hPa |
| Repeatability (500–1100 hPa) | ±0.03 hPa |
| Repeatability (Class B, 50–1100 hPa) | ±0.08 hPa |
| Calibration uncertainty (Class A) | ±0.07 hPa |
| Calibration uncertainty (Class B, 500–1100 hPa) | ±0.15 hPa |
| Calibration uncertainty (Class B, 50–1100 hPa) | ±0.15 hPa |
| Accuracy at +20 °C (Class A) | ±0.10 hPa |
| Accuracy at +20 °C (Class B) | ±0.20 hPa |
| Temperature dependence (500–1100 hPa) | ±0.1 hPa |
| Temperature dependence (50–1100 hPa) | ±0.3 hPa |
| Total accuracy −40 … +60 °C (Class A, 500–1100 hPa) | ±0.15 hPa |
| Total accuracy −40 … +60 °C (Class B, 500–1100 hPa) | ±0.25 hPa |
| Total accuracy −40 … +60 °C (Class B, 50–1100 hPa) | ±0.45 hPa |
| Long-term stability (500–1100 hPa) | ±0.1 hPa/year |
| Long-term stability (50–1100 hPa) | ±0.2 hPa/year |
| Pressure units | hPa, mbar, kPa, Pa, inHg, mmH2O, mmHg, torr, psia |
| Resolution (Class A) | 0.01 hPa |
| Resolution (Class B) | 0.1 hPa |
| Settling time at startup (1 sensor) | Class A: 4 s; Class B: 3 s |
| Response time (1 sensor) | Class A: 2 s; Class B: 1 s |
| Maximum pressure limit | 5000 hPa absolute |
| Maximum measurement rate | 10 Hz |
| Dimensions (PTB330) | 183 × 119 × 143 mm (7.20 × 4.69 × 5.63 in) |
| Weight | 1–1.5 kg (2.2–3.3 lb) |
| Housing material | G AlSi10 Mg (DIN 1725) |
| Pressure fitting | Barbed fitting for 1/8-inch (inside diameter) tubing or quick connector with shutoff valve for 1/8-inch hose |
| Pressure connector | M5 (10-32) internal thread |
| Outputs | |
| Serial communication | RS-232, RS-485, RS-422 |
| Analog output (optional) – current | 0–20 mA, 4–20 mA |
| Analog output (optional) – voltage | 0–1 V, 0–5 V, 0–10 V |
| Analog output accuracy at +20 °C (500–1100 hPa) | ±0.30 hPa |
| Analog output accuracy at +20 °C (50–1100 hPa) | ±0.40 hPa |
| Analog output accuracy at −40 … +60 °C (500–1100 hPa) | ±0.60 hPa |
| Analog output accuracy at −40 … +60 °C (50–1100 hPa) | ±0.75 hPa |
| Data transfer software | MI70 Link (requires Microsoft Windows and Microsoft Excel) |
| Power Requirements | |
| Supply voltage | 10–35 V DC |
| Supply voltage sensitivity | Negligible |
| Typical power consumption (RS-232, 24 V DC, 1 sensor) | 25 mA |
| Typical power consumption (RS-485, 24 V DC, 1 sensor) | 40 mA |
| Output voltage Uout | 25 mA |
| Output current Iout | 40 mA |
| Display and backlight | +20 mA |
| Environmental | |
| Operating pressure | 500–1100 hPa, 50–1100 hPa |
| Operating temperature (without display) | −40 … +60 °C (−40 … +140 °F) |
| Operating temperature (with display) | 0 … +60 °C (+32 … +140 °F) |
| Operating humidity | 0–100 %RH, non-condensing |
| Storage temperature (without display) | −55 … +80 °C (−67 … +176 °F) |
| Storage temperature (with display) | −40 … +80 °C (−40 … +176 °F) |
| IP rating | IP66; IP65 (NEMA 4) with local display; IP40 for PTB330AWS |
| Certification & Compliance | |
| EU directives and regulations | RoHS Directive (2011/65/EU) as amended by 2015/863; EMC Directive (2014/30/EU); Low Voltage Directive (2014/35/EU, units with single-phase AC power supply Power-1) |
| Electrical safety | EN 61010-1:2010 + A1:2019 (units with single-phase AC power supply Power-1) |
| Electromagnetic compatibility (EMC) | EN 61326-1, industrial environment; EN 55011:2009 + A1:2010 |
| Environmental | EN IEC 63000:2018 |
