testo 6321 – accurate pressure/flow/velocity transmitter
For applications such as air conditioning and ventilation
- No zero-point operation thanks to automatic zeroing
- Can be supplied with several different pressure ranges
- High long-term stability and repeatability
In stock
In stock
A differential pressure sensor with a good price/performance ratio for applications such as air conditioning and ventilation. testo 6321 meets these requirements by ensuring the best possible system operation, optimization of climatic conditions and energy saving by means of highly accurate measurement, stable over the long term of the differential pressure. The instrument can be ordered with one of 16 different differential pressure ranges, from 0 ... 100 Pa up to -2 000 ... 2 000 hPa.
- No zero-point operation thanks to automatic zeroing
- Can be supplied with several different pressure ranges
- High long-term stability and repeatability
- Effective overpressure protection
- Freely scalable: ± 50% of measuring range final value
- Display (optional)
Areas of application
- Industrial and commercial buildings, e.g. production and storage
- Offices and administrative buildings
- Sales areas and exhibition halls
- Museums and libraries
- School buildings, hotels, clinics, etc.
Contact us for prices and more information
| Measurement range | 0 ...100 Pa 0 ...10 hPa 0 ...20 hPa 0 ...50 hPa 0 ...100 hPa 0 ...500 hPa 0 ...1000 hPa 0 ...2000 hPa -100 ...+100 Pa -10 ...+10 hPa -20 ...+20 hPa -50 ...+50 hPa -100 ...+100 hPa -500 ...+500 hPa -1000 ...+1000 hPa -2000 ...+2000 hPa |
| Measurement uncertainty | ±1.2% of the final value of the measuring range ±0.3 Pa Zero drift: 0% (thanks to regular zero adjustment) |
| Sensor | Piezoresistive sensor |
| Automatic zero point adjustment | Via solenoid valve, every 60 seconds |
| Overload | Depending on the measurement range, see PDF. |
| Operating temperature | -5 ... +50 °C |
| Storage temperature | -20 ... +60 °C |
| GENERAL TECHNICAL DATA | |
| Material | Instrument housing made of ABS |
| Weight | 160 g |
| DISPLAY | |
| Display | Optional: 2-line LCD (optional) |
| Resolution | Depending on the measurement range, see PDF |
| OTHER | |
| Protection class | IP 65 |
| EMC | EU Directive 2004/108/EC |
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