Heat wire probe with Bluetooth for testo 440

Digital Comfort probe

Measuring range:

• 0... 50 m/s
• -20... + 70 °c
• 5th... 95% RF

Accuracy:

• ± (0.03 m/s + 4% v. MW.)
• (0... 20 m/s)
• ± (0.5 m/s + 5% v. MW.)
• (20.01... 30 m/s)
• ± 0.5 °c (0... + 70 °c)
• ± 0.8 °c (-20... 0 °c)
• ± 3.0% RF (10... 35% RF)
• ± 2.0% RF (35... 65% RF)
• ± 3.0% RF (65... 90% RF)
• ± 5% RH (residual. Measuring range)

Resolution:

• 0.01 m/s
• 0.1 °c
• 0.1% RF