---
product_id: 183920707
title: "Extech RH550 - Humidity and Temperature Chart Recorder, Datalog Relative Humidity, Temperature, and Calculated Dew Point on Interactive, 7-inch (178 mm) Color Screen"
brand: "extech"
price: "4286.13 DT"
currency: TND
in_stock: true
reviews_count: 3
url: https://www.desertcart.tn/products/183920707-extech-rh550-humidity-and-temperature-chart-recorder-datalog-relative-humidity
store_origin: TN
region: Tunisia
---

# Programmable Min/Max alarms 7-inch interactive color screen Long-lasting Lithium-Polymer battery Extech RH550 - Humidity and Temperature Chart Recorder, Datalog Relative Humidity, Temperature, and Calculated Dew Point on Interactive, 7-inch (178 mm) Color Screen

**Brand:** extech
**Price:** 4286.13 DT
**Availability:** ✅ In Stock

## Summary

> 🌡️ Stay ahead of the curve with precision climate control!

## Quick Answers

- **What is this?** Extech RH550 - Humidity and Temperature Chart Recorder, Datalog Relative Humidity, Temperature, and Calculated Dew Point on Interactive, 7-inch (178 mm) Color Screen by extech
- **How much does it cost?** 4286.13 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/183920707-extech-rh550-humidity-and-temperature-chart-recorder-datalog-relative-humidity)

## 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

- • **Precision You Can Trust:** Quartz crystal oscillator ensures ultra-accurate readings with ±0.5°C temperature precision—perfect for critical environments.
- • **Robust Data Logging & Storage:** Seamlessly datalog relative humidity, temperature, and dew point with memory for Max/Min/Last readings—never miss a critical data point.
- • **Versatile Mounting & Mobility:** Use the built-in stand for desktop convenience or wall-mount with included bracket; detachable probe with 2m cable adds flexible placement.
- • **Custom Alerts for Peace of Mind:** Set programmable Min/Max alarms to stay ahead of environmental changes and protect your sensitive spaces effortlessly.
- • **Crystal-Clear Data Visualization:** Experience real-time monitoring on a vibrant 7-inch color display that makes humidity and temperature trends impossible to miss.

## Overview

The Extech RH550 is a professional-grade humidity and temperature chart recorder featuring a large 7-inch interactive color screen, high-accuracy measurements with a quartz crystal oscillator, and programmable alarms. Designed for diverse environments like labs, offices, and greenhouses, it offers flexible mounting options, a detachable probe with a 2-meter cable, and reliable Lithium-Polymer battery power—all backed by a 2-year warranty.

## Description

Simultaneously datalog and monitor relative humidity, temperature, and calculated dew point on the Extech RH550. It features live or user-scheduled recording time and programmable Min/Max alarm set points. A built-in stand is included for desktop use, as well as a bracket for wall-mounting. The RH550 also features a field-replaceable probe that can be attached to the monitor or on a 6.5 ft (2 m) cable. This recorder is useful in office buildings, conference rooms, labs, hospitals, cleanrooms, greenhouses, food storage facilities, and more.

## Features

- Large 5-digit LCD where characters on display reverse direction depending on measurement mode you are in
- Microprocessor based with quartz crystal oscillator to maintain high accuracy
- Provides wide RPM (photo and contact) and Linear Surface Speed/Length (contact) measurements
- Laser guided for greater distance non-contact measurements up to 4.9ft (1.5m)
- Memory stores Max/Min/Last readings

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Rh550 |
| Brand | Extech |
| Item Weight | 425 Grams |
| Battery Description | Lithium-Polymer |
| Mounting Type | Wall Mount |
| Upper Temperature Rating | 50 Degrees Celsius |
| Temperature Accuracy | 0.5°C |
| Temperature Reading Accuracy | plus_minus_0_point_5_degrees_celsius |
| Manufacturer | Extech |
| UPC | 793950425510 |
| Part Number | RH550 |
| Item Weight | 15 ounces |
| Product Dimensions | 7.8 x 4.6 x 1 inches |
| Item model number | RH550 |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Style | RH550 |
| Power Source | Ac_dc |
| Item Package Quantity | 1 |
| Included Components | Built-in stand, wall mount bracket, RH550-P detachable probe,RH550-C probe cable |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
| Description Pile | Lithium-Polymer |
| Warranty Description | 2 Year Warranty |

## Product Details

- **Color:** Rh550
- **Brand:** Extech
- **Item Weight:** 425 Grams
- **Battery Description:** Lithium-Polymer
- **Mounting Type:** Wall Mount

## Images

![Extech RH550 - Humidity and Temperature Chart Recorder, Datalog Relative Humidity, Temperature, and Calculated Dew Point on Interactive, 7-inch (178 mm) Color Screen - Image 1](https://m.media-amazon.com/images/I/617VkJKy4pL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Muy buen hygrometer
*by J***S on May 24, 2025*

Muy buen equipo para monitorear temperatura y humedad, además puedes descargar el registro.

### ⭐ App keeps stopping, must be reset very often
*by A***. on October 8, 2021*

Stops recording every 2 or 3 days and shows pop up screen asking for wait or restart, in 2 months has recorded 5 days only

### ⭐⭐⭐ Reset button does not work
*by A***R on September 9, 2024*

Today we got the unit. Tried to Reset "Memory left" with the button on rear panel - it does not work. Many times tried - no change. returns to 100% full.

## Frequently Bought Together

- Extech RH550 - Humidity and Temperature Chart Recorder, Datalog Relative Humidity, Temperature, and Calculated Dew Point on Interactive, 7-inch (178 mm) Color Screen
- Fluke 62 Max+ Infrared Thermometer (Not for human temp), -20 to +1202 Degree F Range, LCD
- Fluke 62 Max Industrial Infrared Thermometer, -22 to +932 Degree F Range, Single Laser Targeting, 10:1 Distance To Spot Ratio, IP54 Rating, Includes 3 Year Warranty, (Not For Human Temp)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-24*