The Extech HW30 HeatWatch is a multi-functional timing device designed for measuring time, temperature, and humidity. It features user-selectable modes including a programmable heat index alarm, calendar display, and stopwatch/chronograph functions with lap recall.
Key specifications include a timing capacity of 9 hours, 59 minutes, and 59 seconds, with an accuracy of ±5 seconds per day. The device measures temperature from 14 to 122°F (-10 to 50°C) and humidity from 1 to 99%, operating on a single 3V CR2032 battery.
| Timing capacity | 9hrs, 59mins, and 59secs |
|---|---|
| Accuracy | ±5 seconds/day |
| Lap Memory | 30 laps |
| Heat Index Range | 70 to 122°F (22 to 50°C) |
| Temperature Range | 14 to 122°F (-10 to 50°C) |
| Humidity Range | 1 to 99% |
| Dimensions/Wt | 3.1 x 2.6 x 0.8" (79 x 66 x 21mm)/ 3oz (85g) |
The device has a timing capacity of 9 hours, 59 minutes, and 59 seconds.
The accuracy is rated at ±5 seconds per day.
Yes, it measures temperature from 14 to 122°F (-10 to 50°C) and humidity from 1 to 99%.