Features & Benefits
- Ideal for field use
- Compact design
- Simultaneous display of temperature and relative humidity
- Built-in self calibration utility
- Min./Max. and data hold functions
- Fits in shirt pocket and includes pocket clip
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Item #:
3800514
Extech 445580 Humidity and Temperature Pen with Fast Response Sensor, Min/Max Memory, Dual LCD, Pocket-Sized Hygrometer for HVAC, Labs, Storage
Item #:
3800514
KES 15024
Price Details
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Imported from USA store
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Ideal for field use, the compact, digital Humidity and Temperature Pen features simultaneous display of temperature (C/F) and relative humidity
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What Stands Out
Compact Design
The pen-sized design ensures portability, fitting easily in pockets or bags, making it ideal for on-the-go measurements without compromising functionality.
Dual Measurement
Simultaneously measures humidity and temperature, providing comprehensive environmental data, crucial for HVAC professionals or hobbyists alike to monitor conditions effectively.
User-Friendly Interface
Equipped with an easy-to-read digital display, allowing quick assessment of readings, ensuring efficiency and reliability in various settings like labs or greenhouses.
Product Details
| Battery Description | Alkaline |
| LowerTemperature Range | 14 Degrees Fahrenheit |
| Mounting Type | Tabletop |
| Operating Humidity | 5% - 95% relative humidity |
| Upper Temperature Range | 122 Degrees Fahrenheit |
| Voltage | 3 Volts |
| Temperature Accuracy | 1 degree Celsius |
| Temperature Reading Accuracy | plus_minus_1_point_8_degrees_celsius |
| Smart Home Compatibility | Not Smart Home Compatible |
| Item Dimensions W x H | 1.2"W x 1"H (3 cm) |
| Item Weight | 0.07 Kilograms |
| Color | green |
| Brand Name | Extech |
| Manufacturer | Extech |
| UPC | 793950455807 013227082940 799891859544 885117593696 705554395052 013161017268 |
| Global Trade Identification Number | 00793950455807 |
| Part Number | 445580 |
| Model | 445580 |
| Unit Count | 1.0 Count |
| Included Components | 445580, pocket clip, 2023 button battery |
| Brand | Extech |
| Product Dimensions (L x W x H) | 1.2"W x 1"H (3 cm) |
Who Should Buy?
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Homeowners
Ideal for homeowners wanting to monitor indoor climate conditions for comfort and energy efficiency.
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HVAC Technicians
Useful for HVAC professionals who need a portable device to measure humidity and temperature on-the-go.
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Students
Perfect for students conducting experiments in environmental science or biology classes requiring precise measurements.
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Industrial Use
Not suitable for heavy-duty industrial applications requiring more robust and durable measurement equipment.
Product Description
Extech 445580 Humidity and Temperature Pen with Fast Response Sensor, Min/Max Memory, Dual LCD, Pocket-Sized Hygrometer for HVAC, Labs, Storage Rooms, Indoor Air Monitoring
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What features does the Extech 445580 offer?
Answer: The Extech 445580 Humidity and Temperature Pen Sized Meter is equipped with essential features such as a compact design, a built-in pocket clip for convenient carrying, and a clear digital display. This device accurately measures relative humidity from 0 to 100% and temperature from -4°F to 140°F. The small size makes it suitable for on-the-go use, while the high accuracy ensures reliable readings in various environments, whether you are a professional or an enthusiast. You can use it for checking indoor air quality, monitoring HVAC systems, or even calibrating equipment. -
Question:
How does the Extech 445580 perform in different environments?
Answer: The Extech 445580 is designed for versatility, allowing it to perform effectively in a variety of environments. Whether you are measuring humidity in a greenhouse, temperature in a laboratory, or monitoring conditions in your home, this device provides accurate and reliable readings. The pen-sized meter is particularly useful in tight spaces where other larger instruments might not fit, making it a practical choice for technicians and hobbyists alike who need precise measurements on the spot. -
Question:
Is the Extech 445580 user-friendly?
Answer: Yes, the Extech 445580 is designed with user-friendliness in mind. Its intuitive interface includes a single button for power on/off and unit switching, making it accessible for users at any skill level. The large digital display provides clear visibility of readings, helping users quickly assess temperature and humidity levels. Ideal for professionals who need to take quick measurements as well as casual users who want to monitor their environment effectively, this meter simplifies data collection. -
Question:
What are the measurement ranges of the Extech 445580?
Answer: The Extech 445580 features an impressive measurement range for both temperature and humidity. It measures temperature from -4°F to 140°F and relative humidity from 0 to 100%. This wide range allows users to monitor conditions across various environments, including extreme cases like refrigeration and hot climates. Such flexibility makes the device valuable for HVAC professionals, growers, and anyone interested in maintaining optimal environmental conditions. -
Question:
Can the Extech 445580 be used for outdoor measurements?
Answer: While the Extech 445580 can be utilized for outdoor measurements, it's important to consider the conditions. The meter performs optimally in moderate outdoor climates. It is useful for checking conditions in shaded areas or when monitoring temperature near equipment. However, direct sunlight or extreme conditions may affect readings temporarily. Keeping the device protected from harsh weather will help maintain its accuracy, making it a practical tool for diverse outdoor applications. -
Question:
What types of professionals benefit from using the Extech 445580?
Answer: Various professionals can benefit from using the Extech 445580, including HVAC technicians, greenhouse managers, food safety inspectors, and laboratory researchers. HVAC technicians will find it essential for diagnosing system performance, while greenhouse managers use it to ensure optimal growing conditions. Food safety inspectors may utilize it to monitor storage temperatures, while researchers need precise measurements for experiments. The device’s portability and accuracy make it a must-have in diverse professional fields. -
Question:
How do you replace the battery in the Extech 445580?
Answer: Replacing the battery in the Extech 445580 is a straightforward process. First, locate the battery compartment which is usually found on the back of the device. You will need a small screwdriver to open it safely. After access, simply remove the old battery and replace it with a new one, ensuring the correct polarity. This allows the device to continue functioning optimally. Regular checks on battery life can be beneficial to ensure consistent performance, particularly for frequent users. -
Question:
What are the dimensions of the Extech 445580?
Answer: The Extech 445580 is designed to be compact and portable, measuring approximately 6.7 inches in length, which makes it convenient for on-the-go use. This size allows it to fit comfortably in your hand or pocket, and the added pocket clip ensures it stays securely attached to your clothing or bags. The portability is especially beneficial for professionals who require consistent measurements across multiple locations, enabling them to carry it wherever the task requires. -
Question:
Is there an auto shut-off feature on the Extech 445580?
Answer: Yes, the Extech 445580 includes an auto shut-off feature that enhances battery life by turning off the device after a period of inactivity. This is particularly useful for users who may forget to turn off their device following measurements, saving battery power. This feature ensures that you can rely on its availability for accurate readings when needed, which is crucial for professionals who may be using the device multiple times throughout the day. -
Question:
Where can I buy Extech 445580 Humidity and Temperature Pen Sized Meter with Pocket Clip?
Answer: You can purchase the Extech 445580 Humidity and Temperature Pen Sized Meter with Pocket Clip from Ubuy. Ubuy offers a wide selection of electronics, including this precision instrument, ensuring that you have access to quality products. With user-friendly navigation and various options to choose from, Ubuy is a great choice for securing this essential device for your measurement needs.
Extech Humidity Meters Editorial Review
The Extech 445580 Humidity and Temperature Pen Sized Meter with Pocket Clip is a handy tool for quickly determining humidity levels. It provides accurate readings, with an accuracy rating of A+-5% for humidity. The meter is easy to use, with its automatic on/off feature and pocket clip for convenient carrying. However, it is important to note that this meter is designed to detect moisture in the environment, not specifically in fabrics. Overall, this pen-sized meter is a reliable and portable option for measuring humidity and temperature.
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Pros
- Quickly determines humidity levels
- Accurate readings with A+-5% accuracy rating
- Automatic on/off feature
- Pocket clip for convenient carrying
Cons
- Not suitable for measuring moisture in fabrics
Platform Trust & Buyer Confidence
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
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KES 15024
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