---
product_id: 49190955
title: "ExtechInstruments 44550 Pocket Humidity/Temperature Pen"
brand: "extech"
price: "NT$2833"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/49190955-extechinstruments-44550-pocket-humidity-temperature-pen
store_origin: TW
region: Taiwan
---

# Compact Pocket Size 15cm Long-lasting 1.5V Battery Dual Temp & Humidity Sensor ExtechInstruments 44550 Pocket Humidity/Temperature Pen

**Brand:** extech
**Price:** NT$2833
**Availability:** ✅ In Stock

## Summary

> 🌿 Stay Ahead of the Climate Curve with Pocket Precision!

## Quick Answers

- **What is this?** ExtechInstruments 44550 Pocket Humidity/Temperature Pen by extech
- **How much does it cost?** NT$2833 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/49190955-extechinstruments-44550-pocket-humidity-temperature-pen)

## 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

- • **Ready to Go:** Includes battery and pocket clip—no extra setup, just instant, on-the-go measurements.
- • **Dual Sensor Power:** Simultaneously track humidity (20-90% RH) and temperature (14-122°F / -10-50°C) with ease.
- • **Precision in Your Palm:** Accurate readings with ±5% RH and ±1.0°C for reliable environmental monitoring.
- • **User-Friendly Interface:** Simple operation with max/min memory and clear function for quick data review.
- • **Pocket-Sized Portability:** Slim, lightweight design (50g) fits effortlessly in your pocket or clipped to your gear.

## Overview

The Extech 44550 Pocket Humidity/Temperature Pen is a sleek, battery-powered device offering simultaneous, accurate humidity and temperature readings. Its compact design and user-friendly features make it an essential tool for professionals needing quick environmental data anytime, anywhere.

## Description

ExtechInstruments 44550 Pocket Humidity/Temperature Pen

## Features

- Built-in sensors provide simultaneous readings of Relative Humidity and Temperature
- Humidity: 20 to 90%RH (5%RH)
- Temperature: 14 to 122F or -10 to 50C
- Simple operation
- Max/Min with "Clear" function

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Extech |
| Part number | 44550 |
| Item Weight | 50 g |
| Product Dimensions | 2.04 x 1.78 x 14.99 cm; 50 g |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Item model number | 44550 |
| Size | Pocket Size |
| Colour | green |
| Power source type | Battery Powered |
| Voltage | 1.5 Volts |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Measurement Accuracy | +/-5%RH and +/-1.0C |
| Plug profile | Tabletop |
| Included components | One pocket Clip and Battery |
| Batteries included? | Yes |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |
| tech_spec_battery_description_toys | 1.5V Battery (1) |

## Product Details

- **Colour:** green
- **Brand:** Extech
- **Item weight:** 0.05 Kilograms
- **Battery description:** 1.5V Battery (1)
- **Lower temperature rating:** 14 Degrees Fahrenheit

## Images

![ExtechInstruments 44550 Pocket Humidity/Temperature Pen - Image 1](https://m.media-amazon.com/images/I/61xnB1sNoJL.jpg)
![ExtechInstruments 44550 Pocket Humidity/Temperature Pen - Image 2](https://m.media-amazon.com/images/I/61Xmvq8FLeL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Questions & Answers

**Q: Im and emt and i work on the ambulance. sometimes its nice to get a temp, but i also need something that is durable for use. will this work?**
A: This is not for use taking someone's temperature. Strictly for ambient air or water temperature measurements.

**Q: Does this have a probe that i can use to take temp readings from pete's plugs on chilled water applications? And is it waterproof?**
A: No it is does not. It is used mainly for checking relative humidity and tempature in a room. I use it in the mold remediation industry to monitor the dry process. It is a great tool for the valuve in this application.

**Q: Does the pen need to be recalibrated?**
A: Hi, thanks for your question, we don't offer service and there is no calibration procedure for this particular meter. if you have any questions, feel free to contact our technical support line at 866-477-3687 option 3

**Q: can you attach to pc via usb and log readings**
A: You'll need one like this, temp and rH capability. I've used temp only and is very accurate and can print out a graph or time logs for customers.http://www.amazon.com/Extech-RHT10-Humidity-Temperature-Datalogger/dp/B001AFFVWQ/ref=sr_1_8?s=industrial&ie=UTF8&qid=1427930273&sr=1-8&keywords=data+logger

## Frequently Bought Together

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-04-23*