Temperature/RH Pen

Get accurate temperature and humidity readings fast from a pocket-sized meter. Features °F or °C scales, min/max memory, data hold, auto power-off, and a patented rotating cap to protect the sensor. CR2032 battery included. Temperature: 14 to 140°F (-10 to 60°C), Accuracy: ±1°F (±0.6°C) RH: 5 to 95% (3401), 0 to 100% (3402), Accuracy: ±3%.

Item 3402 has the same features as Item 3401, plus displays dew point and wet bulb temperature.