| Maximum Temperature | : | +50°C |
| Best Temperature Measurement Accuracy | : | ±0.5 °C |
| Temperature Measurement Resolution | : | 0.1°C |
| Equipment Type | : | Probe Head |
| Maximum Humidity Measurement | : | 95%RH |
| Best Humidity Measurement Accuracy | : | ±2 (35 → 65 %RH) %RH, ±3 (10 → 35 %RH) %RH, ±3 (65 → 90 %RH) %RH, ±5 %RH |
| Humidity Measurement Resolution | : | 0.1%RH |
| Measurement Parameters | : | CO2, Humidity, Temperature |
| Carbon Dioxide Resolution | : | 0 - 10000ppm |
| Best Carbon Dioxide Accuracy | : | ±100 + 5 % (5001 → 10000 ppm) ppm, ±50 + 3 % (0 → 5000 ppm) ppm |
| For Use With | : | testo 440, testo 440 dP |
| Weight | : | 60g |
| Height | : | 30mm |
| Maximum Operating Temperature | : | +50°C |
| Dimensions | : | 30 Dia. x 165mm |
| Minimum Operating Temperature | : | 0°C |
| Maximum Carbon Dioxide Level | : | 10000ppm |
| Width | : | 30 Dia.mm |
| Length | : | 165mm |
| Minimum Carbon Dioxide Level | : | 0ppm |