| Property | Class A | Class B |
|---|---|---|
| Barometric pressure range 500–1100 hPA | ||
| Linearity 1 | ±0.05 hPa | ±0.10 hPa |
| Hysteresis 1 | ±0.03 hPa | ±0.03 hPa |
| Repeatability 1 | ±0.03 hPa | ±0.03 hPa |
| Calibration uncertainty 2 | ±0.07 hPa | ±0.15 hPa |
| Accuracy at +20 °C (+68 °F) 3 | ±0.10 hPa | ±0.20 hPa |
| Barometric pressure range 50–1100 hPA | ||
| Linearity 1 | – | ±0.20 hPa |
| Hysteresis 1 | – | ±0.08 hPa |
| Repeatability 1 | – | ±0.08 hPa |
| Calibration uncertainty 2 | – | ±0.15 hPa |
| Accuracy at +20 °C (+68 °F) 3 | – | ±0.20 hPa |
| Temperature dependence 4 | ||
| 500–1100 hPa | ±0.1 hPa | ±0.1 hPa |
| 50–1100 hPa | ±0.3 hPa | ±0.3 hPa |
| Total accuracy −40 … +60 °C (−40 … +140 °F) | ||
| 500–1100 hPa | ±0.15 hPa | ±0.25 hPa |
| 50–1100 hPa | – | ±0.45 hPa |
| Long-term stability | ||
| 500–1100 hPa | ±0.1 hPa/year | ±0.1 hPa/year |
| 50–1100 hPa | ±0.2 hPa/year | ±0.2 hPa/year |
| Miscellaneous | ||
| Pressure units | hPa, mbar, kPa, Pa inHg, mmH20, mmHg, torr, psia | hPa, mbar, kPa, Pa inHg, mmH20, mmHg, torr, psia |
| Resolution | 0.01 hPa | 0.1 hPa |
| Settling time at startup (1 sensor) | 4 s | 3 s |
| Response time (1 sensor) | 2 s | 1 s |
| Acceleration sensitivity | – | Negligible |
| Maximum pressure limit | – | 5000 hPa absolute |
| Maximum measurement rate 5 | – | 10 Hz |
| Property | Description/Value |
|---|---|
| Supply voltage | 10–35 V DC |
| Supply voltage sensitivity | Negligible |
| Typical power consumption at +20 °C (+68 °F) (voltage at 24 V DC with 1 pressure sensor) |
RS‑232: 25 mA RS‑485: 40 mA Output voltage Uout: 25 mA Output current Iout: 40 mA Display and backlight: +20 mA |
| Serial communication | RS-232, RS‑485, RS‑422 |
| Property | Description/Value |
|---|---|
|
Operating pressure |
500–1100 hPa, 50–1100 hPa |
|
Operating temperature |
PTB330 without display: −40 … +60 °C (−40 … +140 °F) PTB330 with display: +0 … +60 °C (+32 … +140 °F) |
|
Operating humidity |
0–100 %RH, non‑condensing |
|
Storage temperature |
PTB330 without display: −55 … +80 °C (−67 … +176 °F) PTB330 with display: −40 … +80 °C (−40 … +176 °F) |
|
IP rating |
IP66: Dust-tight. Protected from powerful water jets from any direction. IP65 (NEMA 4) with local display: Dust-tight. Protected from water jets from any direction. 6 |
| Property | Description/Value |
|---|---|
| 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 |
| Housing material | G AlSi10 Mg (DIN 1725) |
| Weight | 1–1.5 kg (2.2–3.3 lb) |
| Property | Description/Value |
|---|---|
|
MI70 Link Interface software requirements |
Microsoft® Windows OS Microsoft® Excel |
| Property | Description/Value | |
|---|---|---|
| Current output | 0–20 mA, 4–20 mA | |
| Voltage output | 0–1 V, 0–5 V, 0–10 V | |
| Accuracy at pressure range | 500–1100 hPa | 50–1100 hPa |
| At +20 °C (+68 °F) | ±0.30 hPa | ±0.40 hPa |
| At −40 … +60 °C (−40 … 140 °F) | ±0.60 hPa | ±0.75 hPa |
| Property | Value |
|---|---|
|
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), applies to units equipped with single-phase AC power supply Power-1 |
|
Electrical safety |
EN 61010-1:2010 + A1:2019, applies to units equipped 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 |
| Item | Order code |
|---|---|
| Modules | |
| Relay module | RELAY-1L |
| Temperature-compensated analog output module | AOUT-1T |
| Isolated RS-485 module | RS485-1 |
| Power supply module | POWER-1 |
| AC adapters for devices already equipped with an external AC adapter connector | |
| AC adapter, EU | MI70EUROADAPTER |
| AC adapter, USA | MI70USADAPTER |
| AC adapter, UK | MI70UKADAPTER |
| AC adapter, AUS | MI70AUSADAPTER |
| Static pressure head | |
| Static pressure head | SPH10 |
| Static pressure head with heating | SPH20 |
| Barometer mounting accessories | |
| Junction box | ASM211113 |
| Wall mounting kit | 214829 |
| Installation kit for pole or pipeline | 215108 |
| Outdoor installation kit (weather shield) | 215109 |
| DIN rail clips with installation plate | 215094 |
| Panel mounting frame | 216038 |
| Connection cables | |
| Connection cable for PTB330 and MI70 handheld meters for spot check or calibration and adjustment | 211339 |
| Service cables | |
| USB-RJ45 serial connection cable | 219685 |
| D9-RJ45 serial connection cable | 215005 |
| Output cables for 8-pin connector | |
| Connection cable 5 m with 8-pin M12 female, black | 212142 |
| Female connector 8-pin M12 with screw terminals | 212416 |
| Cable bushings | |
| PTB330/220/PTU200 DC adapter and RS-232 cable for PC | 213019 |
| PTB330/PTB220/PTU200 DC adapter cable | 213026 |
| Others | |
| Dust filter | 237018SP |
| Barbed pressure fitting 1/8-inch | 19498SP |
| Quick connector 1/8‑inch | 220186 |