EXTECH® Humidity/Temperature Pen

Built-in resistive sensor for RH measurements and built-in thermistor sensor for temperature measurements. Min/Max record and recall of high and low temperature and humidity measurements. Clear function key erases recorded readings. Complete with pocket clip and one LR-44 button battery.

• Humidity Range: 20 to 90% RH


• Temperature Range: 14 to 122 ºF or –10 to 50ºC


• Accuracy: ±5% RH, ± 2 ºF, ±1ºC