---
product_id: 8623804
title: "EXTECH Instruments HW30 HeatWatch Humidity and Temperature Stopwatch"
brand: "extech"
price: "S$108"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/8623804-extech-instruments-hw30-heatwatch-humidity-and-temperature-stopwatch
store_origin: SG
region: Singapore
---

# Real-time humidity monitoring Multi-function stopwatch with 30 lap memory Accurate temperature & heat index readings EXTECH Instruments HW30 HeatWatch Humidity and Temperature Stopwatch

**Brand:** extech
**Price:** S$108
**Availability:** ✅ In Stock

## Summary

> ⏳ Stay cool, stay precise—time and temperature in perfect sync!

## Quick Answers

- **What is this?** EXTECH Instruments HW30 HeatWatch Humidity and Temperature Stopwatch by extech
- **How much does it cost?** S$108 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/8623804-extech-instruments-hw30-heatwatch-humidity-and-temperature-stopwatch)

## Best For

- extech enthusiasts

## Why This Product

- Trusted extech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Heat Index Insight:** Feel the real heat—combines temperature and humidity for a true comfort reading.
- • **Rugged Reliability:** Built to endure industrial environments without deterioration—your long-term companion.
- • **Versatile Timekeeping:** Switch effortlessly between 12/24-hour clock formats to fit your schedule.
- • **Hands-Free Convenience:** Includes lanyard and programmable alarm to keep you on track without missing a beat.
- • **Precision Timing Mastery:** Track workouts or inspections with a 30 lap/split memory stopwatch for ultimate accuracy.

## Overview

The EXTECH HW30 HeatWatch is a multi-functional stopwatch designed for professionals needing precise timing alongside accurate temperature, humidity, and heat index measurements. Certified to industry standards and built for durability, it features a 30 lap memory, programmable alarm, and versatile clock formats, making it ideal for both industrial inspections and fitness tracking.

## Description

EXTECH Instruments HW30 HeatWatch Humidity and Temperature Stopwatch

## Features

- Inspect energized equipment without opening the panel door
- Tested and certified to the highest industry standards
- Get an unparalleled field of view with the large, rectangular viewing area
- Use long term in industrial environments without risk of deterioration
- Monitor using inspection tools operating in the visual, UV, and across the IR spectrum

## Product Details

- **Color:** Green
- **Brand:** Extech Instruments
- **Material:** Plastic
- **Product Dimensions:** 0.8"D x 2.6"W x 0.8"H
- **Item Weight:** 0.02 Kilograms

## Images

![EXTECH Instruments HW30 HeatWatch Humidity and Temperature Stopwatch - Image 1](https://m.media-amazon.com/images/I/61Fdg-VY5bL.jpg)
![EXTECH Instruments HW30 HeatWatch Humidity and Temperature Stopwatch - Image 2](https://m.media-amazon.com/images/I/71tyxt5ILBL.jpg)
![EXTECH Instruments HW30 HeatWatch Humidity and Temperature Stopwatch - Image 3](https://m.media-amazon.com/images/I/616CN7TVVqL.jpg)

## Questions & Answers

**Q: Does this watch make any noise or sound when you press the buttons?**
A: No, no noise at all

**Q: Does this come with a certificate?**
A: Thank you so much for your interest in our products. The 365510 is able to receive a Certificate of Compliance by us after the purchase. Also, if you pay the additional difference, it can receive a traceable NIST calibration certificate. Be sure to check the part number for it 365510-NIST

**Q: how quickly do the temperature and humidity readings get updated?  in a minute, or in ten? and its real size?**
A: The temperature updates within seconds while the humidity may take a few seconds more to stabilize and prodcue the display.

**Q: how tall are the numbers?**
A: Mine, which is a model 365510 has numbers just a shade under 3/8", probably closer to 5/16". I find them adequate for the job at hand.

## Frequently Bought Together

- EXTECH Instruments HW30 HeatWatch Humidity and Temperature Stopwatch
- GEARWRENCH 20 Piece Ratcheting Combination Wrench | SAE & Metric | 35720A-02
- Extech 480400 Phase Tester

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-10*