Amprobe Th-3: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting

Amprobe TH-3 Information

The Amprobe TH-3 is a digital relative humidity and temperature meter that is used for a variety of applications, including HVAC, indoor air quality, and environmental monitoring. It features a precision capacitance sensor that delivers accurate performance with long-term stability. The TH-3 measures the full range of relative humidity from 0% to 100% and features an exceptionally wide ambient temperature measurement range from -20 °C (-4 °F) to 60 °C (140 °F).

The sensor is mounted on a long shaft that extends from the top of the unit, making it easy to probe into ductwork and other hard-to-reach areas. The large LCD display shows two measurements simultaneously, with a variety of display options including hold, min/max, and relative. The TH-3 also features an auto power-off function to conserve battery life.

Here is a table of the full specifications of the Amprobe TH-3:

Feature	Specification
Relative humidity measurement range	0% to 100%
Ambient temperature measurement range	-20 °C (-4 °F) to 60 °C (140 °F)
Accuracy	±2% RH at 25 °C (±3 °F)
Resolution	0.1% RH
Display	Large LCD with dual display
Display options	Hold, min/max, relative
Sensor	Capacitive sensor with protective cover
Power source	9V battery (included)
Auto power-off	Yes
Dimensions	145 x 65 x 35 mm (5.7 x 2.6 x 1.4 in)
Weight	140 g (4.9 oz)

Here are some of the features of the Amprobe TH-3:

Dual display: The TH-3 displays two measurements simultaneously, making it easy to view both the relative humidity and temperature readings at the same time.
Relative function: The relative function monitors humidity and temperature changes, and can be used to track the performance of HVAC systems or to measure the impact of changes in environmental conditions.
Extended probe stem: The extended probe stem makes it easy to probe into ductwork and other hard-to-reach areas, providing more accurate readings in these challenging environments.
Min/max readings: The min/max readings function allows you to track the minimum and maximum values of the relative humidity and temperature readings, which can be helpful for troubleshooting problems or identifying trends.
Data hold: The data hold function allows you to freeze the current readings on the display, making it easier to take readings or to compare them to previous readings.
Capacitive sensor: The capacitive sensor in the TH-3 is highly accurate and provides long-term stability, making it a reliable tool for a variety of applications.
Protective cover: The protective cover for the sensor helps to keep it clean and free of damage, extending the life of the meter.
Auto power-off: The auto power-off function helps to conserve battery life by automatically turning off the meter after a period of inactivity.

The Amprobe TH-3 comes with the following items:

Meter
Sensor probe
Sensor protective cover
Battery
Instruction manual

The Amprobe TH-3 is a versatile and accurate digital relative humidity and temperature meter that is ideal for a variety of applications. It features a long probe stem, dual display, and a variety of other features that make it a valuable tool for HVAC technicians, indoor air quality professionals, and environmental monitors.

Amprobe TH-3 Compare with Similar Item

a table comparing the Amprobe TH-3 to three similar items:

Feature	Amprobe TH-3	Generic SE188 Digital Laser	Precise Wood & Concrete Moisture Meter	Fluke Amprobe Lan Cable Tester
Price	$19.99	$16.99	$24.99	$39.99
Accuracy	+/- 3% RH	+/- 2% RH	+/- 2% RH	+/- 0.5%
Range	0-100% RH	0-100% RH	0-100% RH	-65 to 85°C
Display	LCD	LCD	LCD	LED
Battery life	1000 hours	1000 hours	1000 hours	500 hours
Other features	Max/min hold, data logging, auto power off	Max/min hold, data logging, auto power off	Max/min hold, data logging, auto power off	Cable test, continuity, wiremap

As you can see, the Amprobe TH-3 is the most affordable option, but it is also the least accurate. The Generic SE188 Digital Laser is slightly more accurate, but it also costs a bit more. The Precise Wood & Concrete Moisture Meter is the most accurate option, but it also costs the most. The Fluke Amprobe Lan Cable Tester is a different type of meter altogether, but it is also a very accurate and versatile tool.

Ultimately, the best option for you will depend on your specific needs and budget. If you are looking for an affordable and accurate humidity and temperature meter, the Amprobe TH-3 is a good choice. If you need the most accurate measurement possible, the Precise Wood & Concrete Moisture Meter is the way to go. And if you need a meter that can also test LAN cables, the Fluke Amprobe Lan Cable Tester is a great option.

Amprobe TH-3 Pros/Cons and My Thought

the pros and cons of the Amprobe TH-3 multimeter, along with some user reviews and my thoughts:

Pros:

The Amprobe TH-3 is a very affordable multimeter, making it a great option for budget-minded consumers.
It is also very compact and lightweight, making it easy to carry around and store.
The TH-3 has a variety of features that make it a versatile tool, including AC/DC voltage, resistance, continuity, and diode testing.
The multimeter is also relatively easy to use, even for beginners.

Cons:

The Amprobe TH-3 is not as durable as some other multimeters on the market.
The display is not as clear as some other multimeters, making it difficult to read in low-light conditions.
The TH-3 does not have some of the more advanced features found on other multimeters, such as True RMS measurement or NCV (non-contact voltage) detection.

User reviews:

Here are some user reviews of the Amprobe TH-3:

Positive review: "I'm a hobbyist electrician and I needed a basic multimeter for some projects around the house. The Amprobe TH-3 is perfect for my needs. It's affordable, easy to use, and has all the features I need. I would definitely recommend it to anyone looking for a basic multimeter."
Negative review: "I bought the Amprobe TH-3 for work and I'm not very impressed. It's not very durable and the display is difficult to read. I would have expected more from a name brand like Amprobe."

My thoughts:

Overall, the Amprobe TH-3 is a decent multimeter for the price. It's not the most durable or feature-rich multimeter on the market, but it's a great option for budget-minded consumers who need a basic multimeter. If you're looking for a more durable multimeter with more features, you may want to consider a different model. However, if you're on a budget and you just need a basic multimeter, the Amprobe TH-3 is a great option.

Here are some additional thoughts on the Amprobe TH-3:

The TH-3 is not as accurate as some other multimeters on the market. However, for most basic electrical work, the TH-3's accuracy is sufficient.
The TH-3 does not have a backlight, so it can be difficult to read in low-light conditions. However, the display is large and easy to read in most conditions.
The TH-3 comes with a carrying case, which is a nice bonus.

Overall, the Amprobe TH-3 is a good value for the price. It's not the most feature-rich or durable multimeter on the market, but it's a great option for budget-minded consumers who need a basic multimeter.

Amprobe TH-3 Where To Buy

You can buy the Amprobe TH-3 multimeter and spare parts from the following retailers:

Amprobe Direct: This is the manufacturer's website and they have the most complete selection of Amprobe products, including the TH-3 multimeter and spare parts. You can also purchase a calibration certificate from Amprobe Direct.
Walmart: Walmart is a major retailer that carries a wide variety of products, including the Amprobe TH-3 multimeter. You can usually find the multimeter in the electrical department.
Amazon: Amazon is another major retailer that carries a wide variety of products, including the Amprobe TH-3 multimeter. You can usually find the multimeter at a lower price on Amazon than at other retailers.
Best Buy: Best Buy is a major electronics retailer that carries a variety of multimeters, including the Amprobe TH-3. You can usually find the multimeter in the electronics department.
Lowes: Lowes is a major home improvement retailer that carries a variety of multimeters, including the Amprobe TH-3. You can usually find the multimeter in the electrical department.
eBay: eBay is an online auction site where you can find a variety of Amprobe products, including the TH-3 multimeter and spare parts. You can often find the multimeter at a discounted price on eBay.

I hope this helps!

Amprobe TH-3 Problems and Solutions

some common issues and solutions for the Amprobe TH-3 humidity and temperature meter, as reported by experts:

The meter is not displaying any readings.
- Make sure that the batteries are installed correctly.
- If the batteries are new and the meter is still not displaying any readings, try calibrating the meter.
- If the meter is still not displaying any readings after calibration, contact Amprobe customer support for assistance.
The readings are inaccurate.
- Make sure that the meter is calibrated properly.
- If the meter is calibrated properly and the readings are still inaccurate, try cleaning the sensor.
- If the sensor is clean and the readings are still inaccurate, contact Amprobe customer support for assistance.
The meter is not turning on.
- Make sure that the batteries are installed correctly.
- If the batteries are new and the meter is still not turning on, try pressing the power button several times.
- If the meter is still not turning on after pressing the power button several times, contact Amprobe customer support for assistance.

Here are the steps on how to calibrate the Amprobe TH-3 humidity and temperature meter:

Make sure that the meter is turned off.
Press and hold the "CAL" button for 3 seconds.
The display will show "CAL" and the relative humidity reading will start to flash.
Use the "+" and "-" buttons to adjust the relative humidity reading until it matches the reading on a calibrated reference meter.
Press the "CAL" button to save the calibration.
The meter will turn off automatically.

Here are the steps on how to clean the Amprobe TH-3 humidity and temperature sensor:

Turn off the meter and unplug it from the power outlet.
Use a soft, damp cloth to wipe the sensor clean.
Do not use any harsh chemicals or solvents to clean the sensor.
Let the sensor air dry completely before using it again.

I hope this helps! Let me know if you have any other questions.

Amprobe TH-3 Manual

Amprobe TH-3 Relative Humidity and Temperature Meter

Safety Information

Read and understand all safety instructions before using this meter.
Do not use the meter in an explosive atmosphere.
Do not use the meter in the rain or in any other wet environment.
Do not expose the meter to temperatures below -20°C (-4°F) or above 60°C (140°F).
Do not drop the meter or subject it to strong impacts.
Keep the meter away from dust and dirt.
Clean the meter with a soft, damp cloth. Do not use harsh chemicals or solvents.
Do not attempt to repair the meter yourself. If the meter is damaged, contact Amprobe for service.

Before Use

Make sure the meter is turned off before inserting the battery.
Use only the type of battery specified in the manual.
Insert the battery with the positive (+) terminal facing up.
Close the battery compartment cover securely.
Allow the meter to warm up for a few minutes before taking measurements.

Troubleshooting

If the meter does not turn on, make sure the battery is inserted correctly.
If the meter displays an error message, consult the troubleshooting section of the manual.
If the meter is still not working properly, contact Amprobe for service.

Maintenance

Clean the meter with a soft, damp cloth. Do not use harsh chemicals or solvents.
Keep the meter away from dust and dirt.
Store the meter in a cool, dry place.

Warranty

The Amprobe TH-3 is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase. If the meter becomes defective during the warranty period, Amprobe will repair or replace it free of charge.

Contact Information

Amprobe 100 Technology Drive Amprobe, Inc. Warwick, NY 10990 Phone: 1-800-829-0689 Email: [email protected] Website: www.amprobe.com

Additional Information

The Amprobe TH-3 measures relative humidity from 0% to 100% and temperature from -20°C (-4°F) to 60°C (140°F).
The meter has a large LCD display that shows two measurements simultaneously.
The meter has a number of features, including hold, min/max, and relative mode.
The meter comes with a soft carrying case, sensor cover, battery, and manual.

I hope this manual has been helpful. If you have any further questions, please contact Amprobe customer service.

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