The Extech Instruments Pen (Model 445580-NIST) is a compact and versatile tool designed for accurate humidity and temperature measurements. This pen-style meter features a clear LCD display for easy reading and a built-in NIST calibration for reliable results. With a measurement range of 0 to 100% RH and -4 to 140°F (-20 to 60°C), it’s perfect for both indoor and outdoor use. The lightweight design makes it portable, while the durable construction ensures longevity. Ideal for HVAC professionals, home inspectors, or anyone needing precise environmental readings. Stay informed about your surroundings with this handy device!
