| Maximum Temperature | +70°C |
| Best Temperature Measurement Accuracy | ±0.3 (+15 → +30 °C) °C, ±0.5 °C |
| Temperature Measurement Resolution | 0.1°C |
| Equipment Type | Humidity/Temperature Probe |
| Power Source | Battery |
| Maximum Humidity Measurement | 100%RH |
| Best Humidity Measurement Accuracy | ±0.6 + 0.7 % (0 → 90 %RH) %RH, ±1.0 + 0.7 % (90 → 100 %RH) %RH |
| Humidity Measurement Resolution | 0.01%RH |
| Measurement Parameters | Humidity, Temperature |
| Battery Type | AA |
| For Use With | testo 440, testo 440 dP |
| Battery Life | 140 h |
| Weight | 155g |
| Height | 50mm |
| Maximum Operating Temperature | +70°C |
| Dimensions | 290 x 40 x 50mm |
| Minimum Operating Temperature | -20°C |
| Width | 40mm |
| Length | 290mm |
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