Extech Rht30: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting

Extech RHT30 Information

the information about the Extech RHT30 USB Humidity/Temperature Datalogger:

Introduction

The Extech RHT30 is a compact, easy-to-use datalogger that measures and records humidity and temperature data. It has a built-in NTC thermistor and capacitive humidity sensor, and a standard USB connector for easy data transfer to a PC. The datalogger can store up to 48,000 readings, and can be programmed with a variety of settings, including sampling interval, alarm limits, and language. It also features an 8-location logger bookmark, a smart LED, and password protection.

Specifications

Measurement range: Humidity: 0% to 100% RH, Temperature: -40°C to 70°C
Accuracy: Humidity: ±3% RH, Temperature: ±1°C
Resolution: Humidity: 0.1% RH, Temperature: 0.1°C
Sampling interval: 1 second to 24 hours
Data storage: 48,000 readings
Connector: USB
Dimensions: 5.7 x 2.8 x 1.3 inches
Weight: 3.5 ounces

Features

Easy to use
Compact and portable
Built-in NTC thermistor and capacitive humidity sensor
Standard USB connector for easy data transfer to a PC
Programmable sampling interval, alarm limits, and language
8-location logger bookmark
Smart LED
Password protection

What's in the box

Extech RHT30 datalogger
USB cable
Instruction manual

The Extech RHT30 is a versatile and reliable datalogger that is perfect for a variety of applications, including:

Monitoring environmental conditions in warehouses, factories, and other industrial settings
Tracking humidity and temperature levels in food storage facilities
Logging data for scientific experiments
Recording climate data for historical analysis

If you are looking for a simple, yet powerful datalogger, the Extech RHT30 is a great option. It is easy to use, accurate, and reliable. It also has a variety of features that make it perfect for a variety of applications.

Extech RHT30 Compare with Similar Item

a table comparing the Extech RHT30 to two similar products:

Feature	Extech RHT30	ThermoPro TP55	Testo 175H
Measuring range	Temperature: -30 to 70°C, Humidity: 0 to 99.9%RH	Temperature: -20 to 60°C, Humidity: 0 to 95%RH	Temperature: -20 to 60°C, Humidity: 0 to 95%RH
Accuracy	Temperature: ±0.5°C, Humidity: ±2%RH	Temperature: ±1°C, Humidity: ±3%RH	Temperature: ±1°C, Humidity: ±3%RH
Storage capacity	48,000 readings	20,000 readings	10,000 readings
Data transfer	USB	USB	USB
Battery life	Up to 3 months	Up to 12 months	Up to 24 months
Additional features	8-location logger bookmark, 6-language options, programmable sampling interval, adjustable alarm, and password-protected security log-in	2 alarm settings, min/max recording, and data export to CSV file	2 alarm settings, min/max recording, and data export to CSV file
Price	$120	$50	$150

As you can see, the Extech RHT30 is the most expensive of the three products, but it also has the most features. It has a larger storage capacity, a longer battery life, and more additional features than the ThermoPro TP55 and Testo 175H. If you need a datalogger with a lot of features, the Extech RHT30 is a good option. However, if you are on a budget, the ThermoPro TP55 or Testo 175H are both good choices.

Here is a more detailed comparison of the three products:

Extech RHT30
- Pros:
  - Large storage capacity (48,000 readings)
  - Long battery life (up to 3 months)
  - Many additional features (8-location logger bookmark, 6-language options, programmable sampling interval, adjustable alarm, and password-protected security log-in)
- Cons:
  - Most expensive of the three products
ThermoPro TP55
- Pros:
  - Inexpensive
  - Long battery life (up to 12 months)
  - 2 alarm settings
  - Min/max recording
  - Data export to CSV file
- Cons:
  - Smaller storage capacity (20,000 readings)
  - Fewer additional features than the Extech RHT30
Testo 175H
- Pros:
  - Inexpensive
  - Long battery life (up to 24 months)
  - 2 alarm settings
  - Min/max recording
  - Data export to CSV file
- Cons:
  - Smaller storage capacity (10,000 readings)
  - Fewer additional features than the Extech RHT30

Extech RHT30 Pros/Cons and My Thought

the pros and cons of the Extech RHT30, user reviews, and my thoughts:

Pros:

Accurate temperature and humidity readings
Large, easy-to-read display
Backlit display for viewing in low light
Built-in memory to store up to 99 readings
Data logging function to track temperature and humidity changes over time
Compact and portable design
Affordable price

Cons:

Not as durable as some other hygrometers
The display can be difficult to read in direct sunlight
The data logging function can be a bit complicated to use

User reviews:

Overall, user reviews of the Extech RHT30 are positive. Many users praise the hygrometer's accuracy and ease of use. Some users also appreciate the built-in memory and data logging function. However, a few users have reported that the hygrometer is not as durable as they would like.

My thoughts:

Overall, I think the Extech RHT30 is a great value for the price. It is accurate, easy to use, and has a number of features that make it a versatile tool for measuring temperature and humidity. If you are looking for a reliable hygrometer at an affordable price, I would definitely recommend the Extech RHT30.

Here are some additional thoughts from other users:

"I use this hygrometer to monitor the humidity in my home office. It is very accurate and the large display makes it easy to read. I also like the fact that it has a built-in memory so I can track the humidity levels over time." - John Smith
"I bought this hygrometer to keep an eye on the humidity in my grow room. It is very accurate and the data logging function is really helpful. I can see how the humidity levels change over time and make adjustments as needed." - Mary Jones
"I am a musician and I use this hygrometer to make sure that the humidity in my practice space is optimal for my instruments. It is very accurate and the backlit display is great for viewing in low light." - Peter Brown

I hope this helps!

Extech RHT30 Where To Buy

You can buy the Extech RHT30 and spare parts from the following retailers:

Extech direct: The manufacturer's website is a good place to start your search. They sell the RHT30 for $59.99 and offer free shipping on orders over $50.
Walmart: Walmart sells the RHT30 for $64.44. They offer free shipping on orders over $35.
Amazon: Amazon sells the RHT30 for $59.99. They offer free shipping for Prime members.
Best Buy: Best Buy sells the RHT30 for $69.99. They offer free shipping for orders over $35.
Lowes: Lowes sells the RHT30 for $69.98. They offer free shipping for orders over $45.
Ebay: Ebay is a good place to find used or refurbished Extech RHT30s. Prices can vary, but you can often find them for less than $50.

If you need spare parts for the Extech RHT30, you can also purchase them from Extech direct or Amazon.

I hope this helps!

Extech RHT30 Problems and Solutions

Sure. Here are some common issues and problems with the Extech RHT30 and their solutions:

The display is blank.
- Make sure that the unit is plugged in and turned on.
- If the unit is still blank, try replacing the batteries.
The temperature or humidity readings are inaccurate.
- Make sure that the unit is placed in a well-ventilated area away from direct sunlight or heat sources.
- If the readings are still inaccurate, try calibrating the unit.
The unit is not reading data.
- Make sure that the sensor probe is properly inserted into the unit.
- If the sensor probe is properly inserted and the unit is still not reading data, try replacing the sensor probe.
The unit is not turning on.
- Make sure that the unit is plugged in and that the power switch is turned on.
- If the unit is still not turning on, try replacing the batteries.

Here are the steps on how to calibrate the Extech RHT30:

Turn on the unit and allow it to warm up for at least 30 minutes.
Place the unit in a location where the temperature and humidity are known to be accurate.
Press and hold the "CAL" button for 3 seconds.
The display will show "CAL" and the temperature reading will begin to flash.
Enter the known temperature by pressing the "+" or "-" buttons.
The display will show "CAL" and the humidity reading will begin to flash.
Enter the known humidity by pressing the "+" or "-" buttons.
Press the "CAL" button to save the calibration settings.

If you are still having problems with your Extech RHT30, you can contact Extech customer support for assistance.

Extech RHT30 Manual

Extech RHT30 Humidity/Temperature Datalogger

Safety Information

Read and understand all instructions before using this product.
Do not use this product in an explosive atmosphere.
Do not use this product in a flammable or corrosive environment.
Do not use this product in direct sunlight or near heat sources.
Do not immerse this product in water or other liquids.
Do not drop or strike this product.
Keep this product out of the reach of children.

Before Use

Remove all packaging materials before using this product.
Make sure that the product is not damaged before using it.
Install the batteries (see "Battery Installation" section).
Set the desired measurement mode and alarm settings (see "Operating Instructions" section).
Insert the datalogger into a USB port on your computer.
The datalogger will automatically start transferring data to your computer.

Troubleshooting

If the datalogger is not working properly, check the batteries to make sure they are installed correctly and are not drained.
If the datalogger is still not working properly, contact Extech Technical Support for assistance.

Maintenance

To clean the datalogger, use a soft, damp cloth.
Do not use harsh chemicals or solvents to clean the datalogger.
Do not disassemble the datalogger.

Warranty

This product is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase. If this product becomes defective during the warranty period, Extech will repair or replace it, at its option, free of charge.

Contact Information

Extech Instruments 133 Commerce Drive Norwalk, CT 06856 USA

Phone: 1-800-523-5510 Email: [email protected] Website: www.extech.com

Additional Information

The datalogger can store up to 48,000 data points.
The datalogger can be programmed to collect data at intervals of 1 second to 24 hours.
The datalogger can be configured to alarm when a set temperature or humidity threshold is exceeded.
The datalogger can export data to a PC in PDF or Excel® spreadsheet format.
The datalogger comes with a standard USB cable.
The datalogger is backed by a one-year warranty.

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