Extech HW30 Humidity Temperature Stopwatch with Backlit LCD

This multifunction environmental meter combines humidity, temperature, stopwatch, and clock functions in one compact device. Its backlit LCD shows measurements clearly, and the stopwatch offers 0.01-second resolution for precise timing.

Advantages

Simultaneous humidity and temperature monitoring with min/max memory and data hold. The daily alarm and selectable 12/24-hour clock add convenience, while the selectable °C/°F units suit international use.

Suitable for

• HVAC technicians checking indoor climate
• Lab personnel monitoring ambient conditions
• Sports trainers needing precise event timing

Key specifications

• Humidity range: 10 to 99% RH, accuracy ±5% RH (25 to 95% RH)
• Temperature range: -10 to 60°C (14 to 140°F), accuracy ±1°C
• Stopwatch: 0.01 s resolution, up to 9 h 59 min 59.99 s
• Backlit LCD with data hold and min/max
• Power: 2 x AAA batteries

Recommendations

Ideal for professionals who need reliable environmental readings and timing in one portable tool.