---
product_id: 787486710
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: "€ 3.39"
currency: EUR
in_stock: false
url: https://www.desertcart.ie/products/787486710-extech-rh550-humidity-and-temperature-chart-recorder-datalog-relative-humidity
store_origin: IE
region: Ireland
---

# 7-inch interactive color screen Laser-guided non-contact measurements up to 4.9ft Long-lasting Lithium-Polymer battery included 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:** € 3.39
**Availability:** ❌ Out of Stock

## Summary

> 🌡️ Stay ahead of the climate curve with Extech RH550 – where precision meets power!

## 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?** € 3.39 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/787486710-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 at a Glance:** Large 5-digit LCD with auto-reversing characters for effortless mode switching
- • **Ultimate Data Control:** Simultaneous logging of humidity, temperature, and dew point with programmable Min/Max alarms
- • **Field-Ready Flexibility:** Detachable probe with 6.5 ft cable for remote and hard-to-reach monitoring
- • **Versatile Mounting Options:** Includes built-in stand and wall bracket for seamless desktop or wall use
- • **Trusted Accuracy & Durability:** Quartz crystal oscillator ensures ±0.5°C precision backed by a 2-year warranty

## Overview

The Extech RH550 is a professional-grade humidity and temperature chart recorder featuring a vibrant 7-inch color display, laser-guided non-contact measurement up to 4.9 feet, and a detachable probe with a 6.5 ft cable. Designed for diverse environments like labs, offices, and greenhouses, it offers high accuracy (±0.5°C), programmable alarms, and versatile mounting options, all powered by a reliable Lithium-Polymer battery with 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)
![Extech RH550 - Humidity and Temperature Chart Recorder, Datalog Relative Humidity, Temperature, and Calculated Dew Point on Interactive, 7-inch (178 mm) Color Screen - Image 2](https://m.media-amazon.com/images/I/61RvD9B2FUL.jpg)
![Extech RH550 - Humidity and Temperature Chart Recorder, Datalog Relative Humidity, Temperature, and Calculated Dew Point on Interactive, 7-inch (178 mm) Color Screen - Image 3](https://m.media-amazon.com/images/I/517T2fZHGyL.jpg)
![Extech RH550 - Humidity and Temperature Chart Recorder, Datalog Relative Humidity, Temperature, and Calculated Dew Point on Interactive, 7-inch (178 mm) Color Screen - Image 4](https://m.media-amazon.com/images/I/51ViLCN6HhL.jpg)
![Extech RH550 - Humidity and Temperature Chart Recorder, Datalog Relative Humidity, Temperature, and Calculated Dew Point on Interactive, 7-inch (178 mm) Color Screen - Image 5](https://m.media-amazon.com/images/I/41iIRZvwh3L.jpg)

## Available Options

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

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-10*