quick overview :

Specification

• Measuring Range Temperature : -20°C ~ 60°C (-4°F ~ 140°F ) Humidity : 10%RH ~ 95%RH
• Resolution 0.1°C / 0.1°F / 0.1%RH
• Accuracy Temperature : ±0.5°C,±0.9°F
• Data logging Manual recording: 99 data sets. (Direct reading from LCD display.)
• Input Protection 60V DC or 24 Vrms AC maximum input voltage on any Combination of input Connector.
• Sampling Rate 1 times/sec
• Operating Conditions 0°C ~ 60°C (32°F ~ 140°F) & 10 ~ 80% R.H.
• Power Source 6 pcs size "AAA" Batteries
• Battery Life Approx. 200 hours
• Size & Weight 152(L) ×72(W) ×35(H)mm & Approx. 235g

• Dual display
• Relative function monitors humidity and temperature changes
• Extended probe stem to easily access air ducts
• Min / Max readings
• Data Hold
• Capacitive sensor with protective cover
• Auto Power Off
• Wet Bulb / Dewpoint measurements (THWD-3 only)