---
product_id: 6879732
title: "General Tools Deluxe Heat Index Monitor #WBGT8778 With 75 x 75 mm Brass Black Ball, 32° to 122° F, 0 to 100% RH"
brand: "general tools"
price: "₨145641"
currency: LKR
in_stock: true
reviews_count: 4
url: https://www.desertcart.lk/products/6879732-general-tools-deluxe-heat-index-monitor-wbgt8778-with-75-x
store_origin: LK
region: Sri Lanka
---

# 0-100% relative humidity accuracy 75x75 mm brass black ball sensor 32° to 122°F precision range General Tools Deluxe Heat Index Monitor #WBGT8778 With 75 x 75 mm Brass Black Ball, 32° to 122° F, 0 to 100% RH

**Brand:** general tools
**Price:** ₨145641
**Availability:** ✅ In Stock

## Summary

> 🌞 Stay cool, stay ahead — master the heat with precision!

## Quick Answers

- **What is this?** General Tools Deluxe Heat Index Monitor #WBGT8778 With 75 x 75 mm Brass Black Ball, 32° to 122° F, 0 to 100% RH by general tools
- **How much does it cost?** ₨145641 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/6879732-general-tools-deluxe-heat-index-monitor-wbgt8778-with-75-x)

## Best For

- general tools enthusiasts

## Why This Product

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

## Key Features

- • **Robust Brass Sensor:** Durable 75x75 mm black ball ensures reliable globe temperature readings
- • **Ready Out-of-the-Box:** Includes 2 AAA batteries and user manual for instant deployment
- • **Wide Measurement Range:** Covers 32°F to 122°F and 0-100% humidity for versatile environments
- • **Ideal for Pros & Athletes:** Perfect for HVAC/R experts and outdoor sports medicine to prevent heat stress
- • **Precision Heat Index Monitoring:** Track ambient temp, dew point & wet bulb temps with industrial-grade accuracy

## Overview

The General Tools Deluxe Heat Index Monitor WBGT8778 delivers precise ambient temperature, relative humidity, dew point, and wet bulb globe temperature readings using a durable brass sensor. With a broad measurement range from 32°F to 122°F and 0-100% humidity, it’s engineered for industrial HVAC/R and outdoor sports medicine applications. Battery-powered and ready to use, it’s the essential tool for professionals who demand accurate heat condition monitoring.

## Description

General Tools Deluxe Heat Index Monitor #WBGT8778 With 75 x 75 mm Brass Black Ball, 32° to 122° F, 0 to 100% RH

## Features

- MONITOR HEAT CONDITIONS: Measures and displays the ambient temperature, relative humidity (RH), and the dew point and wet bulb temperatures
- IDEAL FOR: This heat index monitor is ideal for industrial uses including HVAC/R and outdoor sports medicine applications
- MEASURES: WBGT (Wet Bulb Globe Temperature); TG (Globe Temperature); TA (Air Temperature); % (Relative Humidity).
- RANGE: Temperature measurement range of 32 F to 122 F and wet bulb temperature measurement range of 70 F to 115 F
- INCLUDES: Heat Index Monitor, 2 AAA batteries, user manual

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | General Tools |
| Material | Brass |
| Item dimensions L x W x H | 3.38 x 3.5 x 11.5 inches |
| Item Weight | 0.44 Pounds |
| UPC | 031111204261 031113167892 681035013083 |
| Global Trade Identification Number | 00681035013083 |
| Manufacturer | General Tools |
| Part Number | WBGT8778 |
| Item Weight | 7 ounces |
| Product Dimensions | 3.38 x 3.5 x 11.5 inches |
| Country of Origin | Taiwan |
| Item model number | WBGT8778 |
| Is Discontinued By Manufacturer | No |
| Style | Deluxe |
| Power Source | Battery Powered |
| Item Package Quantity | 1 |
| Certification | No |
| Included Components | Heat Index Monitor, 2 AAA batteries, user manual |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Warranty Description | Warranted for workmanship and materials |

## Product Details

- **Brand:** General Tools
- **Material:** Brass
- **Item dimensions L x W x H:** 3.38 x 3.5 x 11.5 inches
- **Item Weight:** 0.44 Pounds
- **UPC:** 031111204261 031113167892 681035013083

## Images

![General Tools Deluxe Heat Index Monitor #WBGT8778 With 75 x 75 mm Brass Black Ball, 32° to 122° F, 0 to 100% RH - Image 1](https://m.media-amazon.com/images/I/51UmPe6ZHAL.jpg)
![General Tools Deluxe Heat Index Monitor #WBGT8778 With 75 x 75 mm Brass Black Ball, 32° to 122° F, 0 to 100% RH - Image 2](https://m.media-amazon.com/images/I/71Bwi0SYaZL.jpg)
![General Tools Deluxe Heat Index Monitor #WBGT8778 With 75 x 75 mm Brass Black Ball, 32° to 122° F, 0 to 100% RH - Image 3](https://m.media-amazon.com/images/I/812ggIXgx2L.jpg)
![General Tools Deluxe Heat Index Monitor #WBGT8778 With 75 x 75 mm Brass Black Ball, 32° to 122° F, 0 to 100% RH - Image 4](https://m.media-amazon.com/images/I/81LuqV737WL.jpg)
![General Tools Deluxe Heat Index Monitor #WBGT8778 With 75 x 75 mm Brass Black Ball, 32° to 122° F, 0 to 100% RH - Image 5](https://m.media-amazon.com/images/I/81IIrfxC9NL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Simple design that works.
*by C***S on September 26, 2023*

Used for checking the heat cat for an academy. Extremely easy to use, simple to read. Keeps the students safe from participating in high exertion during periods of increased heat cat.Much simpler to set up that the original wet bulb I used in the military.

### ⭐⭐⭐⭐ received as promised with no problems
*by R***E on July 15, 2022*

works for our mill

### ⭐⭐⭐⭐⭐ GREAT TOOL!
*by D***E on May 6, 2013*

THIS LITTLE TOOL TAKES ALL THE WORK OUT OF KEEPING THE SPORTS FIELD SAFE. SHOULD BE SOLD WITH THE CABLE.

## Frequently Bought Together

- General Tools Deluxe Heat Index Monitor #WBGT8778 With 75 x 75 mm Brass Black Ball, 32° to 122° F, 0 to 100% RH
- Taylor Wind Chill/Heat Index Thermometer & Hygrometer, Indoor Outdoor Wireless Thermometer with Easy to Read Large Numbers for Patio, Pool, and Indoor Areas, 13.25-inch

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-30*