
Datasheet| Series | Testo 620 |
| Sensor type/thermocouples | NTC |
| Min. Temperature | -10 °C |
| Max. temperature | +60 °C |
| Humidity measurement range min. | 0 % |
| Humidity measurement range max. | 100 % |
| Measuring error °C | ±0.4 °C |
| Measuring error, humidity | ±2 % |
| Resolution, temperature max. | 0.1 ° |
| %rh resolution | 0.1 % |
| Weight | 240 g |
| Description | Precision thermo/hygrometer |
| Electrical supply | 4 x LR6/AA |
| Dimensions L x W x H | 185 x 105 x 36 mm |