osCommerce My Account  Cart Contents  Checkout  
  Top » Catalog » Safety Intrument » Hygrometer » HW30 My Account  |  Cart Contents  |  Checkout   
Health Instrument-> (18)
Laboratory Instrument-> (89)
Maintenance/Engineering Instrume-> (238)
Measurement Instrument-> (460)
Process Insrument-> (447)
Safety Intrument-> (266)
  Air Flow Meter (28)
  Gas Detector (59)
  Hygrometer (33)
  Light Meter (17)
  Metal Detector (5)
  Particle Counter (8)
  Radiation Meter (14)
  Sharp Edge Tester (1)
  Sound Level Meter (15)
  Water Quality Meter (71)
Weigh Scale and Load Cell (60)
What's New? more
Digital Viscometer "Brookfield" Model LVDV-E
Digital Viscometer "Brookfield" Model LVDV-E
Quick Find
Use keywords to find the product you are looking for.
Advanced Search
Tell A Friend
We'd love it if you tell a friend about us Just enter their email address and click the envelope (you can also add a messege on the next page).
Shipping & Returns
Privacy Notice
Conditions of Use
Order & Payment
Contact Us
SSL Certificate
Free SSL Secured By StartCom
Humidity/Thermometer Heat Watch “Extech” Model HW30

Humidity/ Temperature HeatWatch

Multi-functional Timing Device

Features user selectable Heat Index Alarm and measures

Temperature and Humidity



§  Programmable heat index alarm

§  Displays temperature, humidity, and heat index

§  Calendar mode displays day, date and time

§  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

§  12 or 24 hour clock operation

§  Complete with 39” (1 m) lanyard and one 3V CR2032 battery


Stopwatch with 6 modes: Time/Date, Heat Index, Chrono Lap, Alarm, Timer, and Chrono Split Mode



Timing capacity

9 hrs, 59 mins, and 59 secs



+/-5 seconds/day


Lap Memory

30 laps


Heat Index

70 to 122°F (22 to 50°C)



14 to 122°F (-10 to 50°C)



1 to 99%


Dimensions/ Wt

3.1 x 2.6 x 0.8” (79 x 66 x 21 mm)/ 3 oz (85 g)




Ordering Informations:



HeatWatch™ Humidity/Temperature Stopwatch



HW30 with Limited NIST Certificate


Limited NIST: Product certified to stopwatch functions only.



This product was added to our catalog on Tuesday 28 May, 2019.
Shopping Cart more
0 items
Manufacturer Info
Other products
Notifications more
NotificationsNotify me of updates to Humidity/Thermometer Heat Watch “Extech” Model HW30
Tell A Friend
Tell someone you know about this product.
Reviews more
Write ReviewWrite a review on this product!
Thai English
Credit card accepted


Nanomachinery Co., Ltd.
4, Soi Petchkasem 100 ,Phetchkasem Rd. ,Bangkaenue ,Bangkae ,Bangkok, 10160, THAILAND.
Tel : 086-322-6876 ,02-421-9927 ,Fax : 02-809-2591 E-mail : pongthorn@nano-machinery.com
Copyright © 2005 Nano Machinery
Powered by Nano Machinery