
Datasheet| Series | Testo 635 |
| Sensor type/thermocouples |
K
NTC |
| No. of inputs | 5 |
| Min. Temperature | -200 °C |
| Max. temperature | +1370 °C |
| Humidity measurement range min. | 0 % |
| Humidity measurement range max. | 100 % |
| Pressure min. | 0 hPa |
| Pressure max. | 2000 hPa |
| Measuring error °C | ±0.3 °C |
| Resolution, temperature max. | 0.1 °C |
| %rh resolution | 0.1 % |
| Resolution, pressure | 0.1 hPa |
| Interfaces |
Infrared
USB |
| Weight | 428 g |
| Measuring function | Data logger |
| Protection rating | IP 54 |
| Delivery with |
Battery
Calibration certificate Software USB cable |
| Electrical supply |
3 x LR6/AA
Plug-in power supply |
| Dimensions L x W x H | 220 x 74 x 46 mm |