Time measurement
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Extech 365510: Stopwatch/Clock
Digital LCD Stopwatch plus Calendar and Alarm
Features:
- 12 or 24 hour clock operation
- Stopwatch/Chronograph mode with 1/100sec resolution
- Programmable alarm with an hourly chime
- Calendar displays day, month, and date
Extech 445702: Hygro-Thermometer Clock
Combines 3 displays for Time, Temperature, and Humidity
Features:
- Clock displays 12/24 hour time
- Max/Min with “reset” function
- Humidity: 10 to 85%
- Temp: 14 to 140°F or -10 to 60°C
- Accuracy: ±6%RH; ±1.8°F, ±1°C