---
product_id: 49155999
title: "Extech 445815 Hygro-Thermometer Humidity Alert, Dew Point, Calibration"
brand: "extech"
price: "E£ 12974"
currency: EGP
in_stock: true
category: "Extech"
url: https://www.desertcart.com.eg/products/49155999-extech-445815-hygro-thermometer-humidity-alert-dew-point-calibration
store_origin: EG
region: Egypt
---

# Humidity range 10-99% RH Audible & visual humidity alarms Temp range 14-140°F Extech 445815 Hygro-Thermometer Humidity Alert, Dew Point, Calibration

**Brand:** extech
**Price:** E£ 12974
**Availability:** ✅ In Stock

## Summary

> 🌟 Master your environment with pinpoint precision!

## Quick Answers

- **What is this?** Extech 445815 Hygro-Thermometer Humidity Alert, Dew Point, Calibration by extech
- **How much does it cost?** E£ 12974 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/49155999-extech-445815-hygro-thermometer-humidity-alert-dew-point-calibration)

## 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

- • **Remote Probe Access:** Measure hidden or hard-to-reach spots effortlessly with an 18-inch extendable probe.
- • **Triple Data Display:** Simultaneously view humidity, temperature, and dew point on a large, clear LCD screen.
- • **Max/Min Memory with Reset:** Track environmental extremes and reset easily for continuous monitoring.
- • **Precision Dew Point Insight:** Stay ahead of condensation risks with real-time dew point calculations.
- • **Customizable Humidity Alerts:** Never miss critical thresholds with programmable audible and visual alarms.

## Overview

The Extech 445815 Hygro-Thermometer is a professional-grade environmental monitor designed for labs, storage, and manufacturing. It features a wide humidity range (10-99%), temperature measurement (14-140°F), and unique dew point calculation to predict condensation. With programmable alarms, a remote 18-inch probe, and a large triple-display LCD, it ensures precise, accessible monitoring in challenging locations.

## Description

Extech 445815 Hygro-Thermometer Humidity Alert, Dew Point, Calibration | Programmable alarms, dew point, triple display, MIN/MAX, field calibration pot, remote probe : desertcart.co.uk: DIY & Tools

## Features

- RH audible and visual alarm alerts when humidity exceeds set limit
- Displays dew point temperature
- Maximum and minimum with reset function
- Humidity from 10 to 99%
- Temperature from 14 to 140 Fahrenheit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000GFCN1I |
| Battery Description | Alkaline |
| Best Sellers Rank | 78,404 in Garden ( See Top 100 in Garden ) 2,099 in Scanners & Testers 5,359 in Lawn & Garden Watering Equipment |
| Brand | Extech |
| Colour | White |
| Country Of Origin | China |
| Customer Reviews | 4.2 4.2 out of 5 stars (254) |
| Global Trade Identification Number | 00793950458150, 04016138375534 |
| Included Components | Built-in Stand, Wall Mount Bracket, 1 AAA battery |
| Item Dimensions W x H | 20W x 109H millimetres |
| Item Highlight | Programmable alarms, dew point, triple display, MIN/MAX, field calibration pot, remote probe |
| Item Length | 4.3 Inches |
| Item Weight | 0.19 Kilograms |
| Lower Temperature Rating | 10 Degrees Celsius |
| Manufacturer | Extech |
| Manufacturer Part Number | 445815 |
| Model Number | 445815 |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Number of Packs | 1 |
| Operating Humidity | 10% to 99% |
| Temperature Accuracy | +1.8 °C |
| Temperature Reading Accuracy | plus_minus_1_point_8_degrees_celsius |
| UPC | 885866191235 793950458150 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 140 Degrees Fahrenheit |
| Voltage | 1.5 Volts |

## Product Details

- **Battery description:** Alkaline
- **Brand:** Extech
- **Colour:** White
- **Item weight:** 0.19 Kilograms
- **Product dimensions:** 20W x 109H millimetres

## Images

![Extech 445815 Hygro-Thermometer Humidity Alert, Dew Point, Calibration - Image 1](https://m.media-amazon.com/images/I/41dm3AxcUmL.jpg)
![Extech 445815 Hygro-Thermometer Humidity Alert, Dew Point, Calibration - Image 2](https://m.media-amazon.com/images/I/51qrc7j3OhL.jpg)
![Extech 445815 Hygro-Thermometer Humidity Alert, Dew Point, Calibration - Image 3](https://m.media-amazon.com/images/I/51J1VgFx5ML.jpg)
![Extech 445815 Hygro-Thermometer Humidity Alert, Dew Point, Calibration - Image 4](https://m.media-amazon.com/images/I/61IzukYZWCL.jpg)

## Questions & Answers

**Q: Is two degrees hotter normal for this thermometer.  The humidity is good but checkiing normal for the product.**
A: Not normal. Accurate to within a half-degree when calibrated.

**Q: How do we select either of the 2 Certificate of Traceablitity options?  Or is this already in the box?**
A: The product does not come with a certificate & it's a hassle to obtain.  The Extech website notes the following:Is my meter calibrated out of the box? How often should it be calibrated? Does it come with a calibration certificate? How & where can I get my meter calibrated?All Extech products are factory calibrated prior to shipment. This calibration is valid for one year. An annual factory calibration is recommended. Extech does not include calibration certificates with our products. NIST calibrations with data can be purchased for an additional charge for most products. To send your meter to be NIST calibrated please contact our return department for a return authorization number and other return information.

**Q: Can it display the temperature in Celsius unit?**
A: Yes! Good question, and I did not know, so I dug out my instructions. I am now looking at those and my unit and there is a switch in the battery compartment below the battery for degrees F and degrees C. Using this, I have 78.6 F showing as 25.9 C. BTW, I'm actually considering getting another one for my car and work. It will need some protection, like a plastic sandwich box with some paper towel padding, but that will do it for me. Hope you enjoy yours as much as I like mine.

**Q: May i know does this item come together with a calibration certificate?**
A: The calibration certificate is not included; it can be ordered together with 17030-28 calibration.

## Frequently Bought Together

- Extech Digit Thermometer
- Extech 445580 Humidity and Temperature Pen Sized Meter with Pocket Clip

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-10-23*