300-50-176,Air Flow meter 0...14 m/s 40...4000 m3/h -20...+60 °C 0...100 %, TESTO 420, Testo
Datasheet
| No. of inputs | 2 |
| Instrument for |
Air flow
Humidity of air Pressure Temperature |
| Wind speed min. | 0 m/s |
| Wind speed max. | 14 m/s |
| Min. Temperature | -20 °C |
| Max. temperature | +60 °C |
| Air pressure range | 700...1100 hPa |
| Humidity measurement range min. | 0 % |
| Humidity measurement range max. | 100 % |
| Air flow rate min. | 40 m3/h |
| Air flow rate max. | 4000 m3/h |
| Air pressure min. | 700 hPa |
| Air pressure max. | 1100 hPa |
| Resolution, temperature max. | 0.1 ° |
| Resolution, temperature IR | 0.1 °C |
| Resolution, air flow | 1 m3/h |
| Resolution, air pressure | 0.1 hPa |
| Measuring error °C | ±0.5 °C |
| Measuring error, humidity | ±1.8 % |
| Measuring error, air flow | ±3% |
| Measuring error, air pressure | ±3 hPa |
| Electrical supply | 4 x LR6/AA |
| Dimensions L x W x H | 150 x 35 x 85 mm |
