Extech Hygrometer

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Check the humidity, temperture, and weather conditions easily with the Extech RHT510 Hygro-Thermometer Psychrometer. This meter can display temperature readings (Air and Type-K), r elative humidity, wet bulb, and dew point. The included bead wire Type-K probe can be used to measure temperatures up to 250°C (~480°F), but the meter can measure to 1300°C (2372°F) if used with other probes. Recall highest and lowest readings with the Min/Max function. The RHT510 also features a backlit LCD that displays Data Hold and Auto power off with disable option. Show more