- Programmable heat index alarm
- Displays temperature, humidity, and heat index
- Calendar mode displays day, date and time
- Stopwatch/chronograph mode with1/100 second resolution
- Fastest/Slowest/Average Lap recall
- 99 lap counter with 30 lap/split memory
- 10 hour countdown timer with audiblebeeper warning for the last 5 seconds 12 or 24 hour clock operation
- Complete with 39″ (1m) lanyard and one 3V CR2032 battery
| 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) |
| Thomas No | Mfr No | Description |
|---|---|---|
| 1218M15 | HW30 | HeatWatch™ Humidity/Temperature Stopwatch |
| 1218M16 | HW30-NISTL | HeatWatch™ Humidity/Temperature Stopwatch with NISTL |
