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Heatwatch™ Stopwatch

Article No. 13490

Certified Temperature/Humidity Stopwatch

Extech's HeatWatch™  is a Humidity/Temperature Stopwatch that displays temperature, humidity, and heat index. The heat index measurement shows how hot it feels when humidity is combined with the actual temperature. Certfied version available.

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$140.00 excl. taxes & shipping cost


  • User adjustable Heat Index alarm
  • Stopwatch/chronograph mode with 1/100 second resolution
  • Fastest/Slowest/Average Lap recall
  • 99 lap counter with 30 lap/split memory
  • 10 hour countdown timer with audible beeper warning for the last 5 seconds
  • Programmable alarm
  • Calendar mode displays day, month, and date
  • With digital UP/DOWN timer
  • Ideal for use in hot weather conditions
  • Includes a 12/24-hour clock
  • Certified version available

Technical Attributes

  • Data
    Timing Capacity:9 hrs, 59 mins and 59 seconds
    Accuracy:± 5 seconds/day
    Countdown Timer:Yes
    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:3.1 x 2.6 x 0.8" (79 x 66 x 21 mm)
    Weight:3 oz (85 g)

Delivery Content

Comes with lanyard, battery, and operating instructions.

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