Extech HW30 Data Sheet
Specifications subject to change without notice.
Copyright © 2007-2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
www.extech.com
6/19/08 - R1
Multi-functional Timing Device
Features user selectable Heat Index Alarm and measures
Temperature and Humidity
Humidity/Temperature HeatWatch
™
Features:
• 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 audible
beeper warning for the last 5 seconds
• 12 or 24 hour clock operation
• Complete with 39" (1m) lanyard and one 3V CR2032 battery
Ordering Information:
HW30 ........................HeatWatch
™
Humidity/Temperature Stopwatch
HW30-NISTL.............HW30 with Limited NIST Certificate
Limited NIST: Product certified to stopwatch functions only.
Specifications
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)
Stopwatch with 6 modes: Time/Date, Heat Index, Chrono Lap, Alarm,
Timer, and Chrono Split Mode
Ideal for use in sporting events. HW30 HeatWatch
is recommended by the National Health &
Wellness Club
Patented Pending
Temperature/Humidity Mode
Time-Timer Mode
Stopwatch Mode
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