The BT-65 combines the BT-64's wide -60 to +1000°C range with enhanced humidity analysis for dew point and wet bulb calculations — ideal for HVAC commissioning, building envelope surveys and condensation diagnosis.

• Range -60 to +1000°C, D:S 30:1
• Humidity 1~99%RH with ±3% accuracy
• Dew Point Temperature (DPT)
• Wet Bulb and Dry Bulb temperature
• Thermal Bridge Detection (THB)
• K-type thermocouple socket
• 8-day battery (BST Low Voltage Technology)