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Extech HW30 has a digital UP/DOWN timer that displays Temperature, Humidity, and Heat Index.
Timing capacity 9hrs, 59mins, and 59secs
Accuracy ±5 seconds/day
Lap Memory 30 laps
Heat Index 70 to 122°F (22 to 50°C)
Temperature 14 to 122°F (-10 to 50°C)
Humidity 1 to 99%
Dimensions/ Wt 3.1 x 2.6 x 0.8" (79 x 66 x 21mm)/ 3oz (85g)
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