Extech 44550 Pocket Humidity/Temperature Pen
The Extech 44550 Pocket Humidity/Temperature Pen gives quick checks of both humidity and air temperature in one compact instrument. Its slim pen design slips into a pocket and is easy to carry between jobs. The dual LCD screen lets you see both readings at the same time, helping you work faster.
This meter is designed for routine environmental measurements where fast and simple readings are needed. The Extech 44550 Pocket Humidity/Temperature Pen measures relative humidity from 10 to 85% RH and temperature from -10°C to 50°C. It also allows users to switch between Celsius and Fahrenheit to suit different applications.
Easy Readings and Portable Design
A clear segment LCD display makes values easy to view in different working conditions. The compact body measures only 150 x 20 x 18mm and weighs just 20g, so it can be carried all day without taking up space. A pocket clip keeps the instrument secure when moving between locations.
The Extech 44550 Pocket Humidity/Temperature Pen also stores minimum and maximum readings. This feature helps users track changing conditions without writing down every measurement. In addition, the meter offers 1% RH resolution and 0.1°C or °F temperature resolution for precise monitoring.
Reliable Everyday Performance
A single LR44 button battery powers the meter and makes replacement quick and cost effective. Extech has CE marked the instrument and designed it for fast environmental checks in offices, storage areas and general maintenance work. Extech supplies the 44550 Pocket Humidity/Temperature Pen in two different set types to meet different purchasing needs.
Backed by a two-year warranty, this pocket meter offers dependable operation in a lightweight package. Its straightforward controls and easy-to-read display make it suitable for both occasional and regular use. As a result, users can obtain humidity and temperature readings quickly and with confidence.
Key Features
- Dual LCD display shows humidity and temperature together
- Compact pen style design for easy carrying
- Pocket clip for secure storage during transport
- Displays minimum recorded values
- Displays maximum recorded values
- Switchable temperature units in °C and °F
- Lightweight construction at only 20g
- Simple operation for rapid environmental checks
- Suitable for use in offices and storage areas
- Designed for quick spot measurements
- Powered by a commonly available LR44 battery
- Available in two different set types
- CE marked for compliance requirements
Technical Specifications
| Manufacturer | Extech |
| Product name | 44550 Pocket Humidity/Temperature Pen |
| Manufacturer part code | 44550 |
| Relative humidity range | 10 to 85% RH |
| Relative humidity accuracy | ±5% RH |
| Relative humidity resolution | 1% RH |
| Temperature measuring range | -10°C to 50°C |
| Temperature range in Fahrenheit | 14°F to 122°F |
| Temperature accuracy | ±1°C / ±2°F |
| Temperature resolution | 0.1°C or °F |
| Display type | Segment LCD |
| Display configuration | Dual display |
| Memory functions | Minimum and maximum values |
| Dimensions | 150 x 20 x 18mm |
| Dimensions in inches | 5.9 x 0.8 x 0.7in |
| Weight | 20g |
| Weight in ounces | 0.7oz |
| Power supply | 1 x LR44 1.5V button cell battery |
| Certification | CE |
| Warranty | 2 years |
Document Downloads
What’s Included
- Extech 44550 Pocket Humidity/Temperature Pen
- LR44 button cell battery
- Pocket clip

