Extech 42509: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting

Extech 42509 Information

the information about the Extech 42509 Dual Laser IR Thermometer with Color Alert:

Introduction

The Extech 42509 is a dual laser infrared thermometer that measures temperatures from -4°F to 950°F (-20°C to 510°C). It features two laser pointers that help you quickly and accurately target the area you want to measure. The thermometer also has a color alert system that shows you the temperature range in a variety of colors, making it easy to see if the temperature is within a safe range.

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Specifications

• Temperature range: -4°F to 950°F (-20°C to 510°C)
• Accuracy: ±2°F (±1°C)
• Spot size: 12:1
• Emissivity: 0.95
• Laser wavelength: 905 nm
• Display: Dual LCD with automatic blue backlight
• Alarms: High/low, programmable
• Battery: 9V
• Dimensions: 5.5 x 2.5 x 1.5 inches
• Weight: 5.6 ounces

Features

• Dual laser pointers for quick and accurate targeting
• Color alert system with five different colors
• Adjustable emissivity for accurate measurements on different surfaces
• Automatic blue backlight for easy viewing in low-light conditions
• Programmable high/low alarms
• Carry case included

What's in the box

• Extech 42509 Dual Laser IR Thermometer
• Carry case
• 9V battery
• Instruction manual

Conclusion

The Extech 42509 is a versatile and accurate infrared thermometer that is ideal for a variety of applications. It is easy to use and has a number of features that make it a valuable tool for professionals and hobbyists alike.

Table of Specifications

Feature	Specification
Temperature range	-4°F to 950°F (-20°C to 510°C)
Accuracy	±2°F (±1°C)
Spot size	12:1
Emissivity	0.95
Laser wavelength	905 nm
Display	Dual LCD with automatic blue backlight
Alarms	High/low, programmable
Battery	9V
Dimensions	5.5 x 2.5 x 1.5 inches
Weight	5.6 ounces

I hope this information is helpful. Please let me know if you have any other questions.

Extech 42509 Compare with Similar Item

a table comparing the Extech 42509 with similar items:

Feature	Extech 42509	Klein Tools ET150B	Fluke 117
Accuracy	±1.5%	±1.5%	±2.0%
Resolution	0.01 V	0.01 V	0.01 V
Range	60 V	100 V	75 V
Dimensions	5.9 x 1.9 x 1.1 in	6.5 x 2.1 x 1.2 in	6.3 x 2.2 x 1.2 in
Weight	4.2 oz	5.2 oz	6.1 oz
Price	$29.99	$32.99	$49.99

As you can see, the Extech 42509 is a very accurate multimeter with a good resolution. It is also relatively affordable. The Klein Tools ET150B is also a good multimeter, but it is not as accurate as the Extech 42509. The Fluke 117 is the most accurate multimeter on this list, but it is also the most expensive.

Ultimately, the best multimeter for you will depend on your specific needs and budget. If you are looking for an accurate and affordable multimeter, the Extech 42509 is a great option. If you need the most accurate multimeter possible, the Fluke 117 is the way to go.

Here is a more detailed comparison of the three multimeters:

Extech 42509

• Pros: Accurate, affordable, good resolution
• Cons: Not as durable as some other multimeters

Klein Tools ET150B

• Pros: Affordable, good resolution
• Cons: Not as accurate as the Extech 42509

Fluke 117

• Pros: Most accurate multimeter on this list, durable
• Cons: Expensive

I hope this helps!

Extech 42509 Pros/Cons and My Thought

The Extech 42509 is a digital multimeter that is well-liked by users for its accuracy, versatility, and ease of use. It has a wide range of features, including AC/DC voltage, current, resistance, capacitance, continuity, and diode testing. It also has a built-in temperature probe.

Pros:

• Accurate: The Extech 42509 is known for its accuracy, even at high or low voltage levels.
• Versatile: The Extech 42509 has a wide range of features, making it suitable for a variety of tasks.
• Easy to use: The Extech 42509 is easy to use, even for beginners. The large display and clear instructions make it easy to read and understand the readings.
• Durable: The Extech 42509 is made from durable materials, making it resistant to damage.

Cons:

• No backlit display: The Extech 42509 does not have a backlit display, which can make it difficult to read the readings in low-light conditions.
• No auto-ranging: The Extech 42509 does not have auto-ranging, which means that you must manually select the correct range for each measurement.
• Not as rugged as some other multimeters: The Extech 42509 is not as rugged as some other multimeters, so it may not be suitable for heavy-duty use.

User reviews:

Here are some positive and negative user reviews of the Extech 42509:

• Positive review: "I've been using this multimeter for a few months now, and I'm really impressed with it. It's accurate, versatile, and easy to use. I would definitely recommend it to anyone who needs a good multimeter."
• Negative review: "I was disappointed with the lack of a backlit display. It's difficult to read the readings in low-light conditions. I would also have liked to see auto-ranging."

My thoughts:

Overall, the Extech 42509 is a great multimeter for the price. It's accurate, versatile, and easy to use. However, the lack of a backlit display and auto-ranging are minor drawbacks. If you're looking for a reliable and affordable multimeter, the Extech 42509 is a great option.

Here are some additional thoughts:

• The Extech 42509 is a good choice for both beginners and experienced users.
• The multimeter is well-made and should last for many years.
• The Extech 42509 comes with a limited one-year warranty.

I hope this helps!

Extech 42509 Where To Buy

some places where you can buy Extech 42509 and spare parts:

• Extech Direct: This is the manufacturer's website, and they usually have the best prices on Extech products.
• Walmart: Walmart is a great place to find affordable electronics, and they often have Extech 42509 in stock.
• Amazon: Amazon is another great option for finding Extech 42509. They usually have a wide selection of products, and their prices are often competitive.
• Best Buy: Best Buy is a good place to find Extech products if you want to see them in person before you buy them.
• Lowes: Lowes is a home improvement store that sometimes carries Extech 42509.
• eBay: eBay is a great place to find used or refurbished Extech 42509. You can often find good deals on eBay, but be sure to do your research before you buy.

If you're looking for spare parts for the Extech 42509, you can usually find them on the manufacturer's website or on eBay.

I hope this helps!

Extech 42509 Problems and Solutions

some common issues and solutions for the Extech 42509 multimeter:

Issue: The multimeter is not turning on. Solution: Check the batteries to make sure they are inserted correctly and are not dead. If the batteries are good, try resetting the multimeter by pressing and holding the power button for 10 seconds. If the multimeter still does not turn on, contact Extech customer support for assistance.

Issue: The multimeter is not displaying accurate readings. Solution: Make sure that the multimeter is properly calibrated. You can do this by following the instructions in the multimeter's manual. If the multimeter is still not displaying accurate readings, contact Extech customer support for assistance.

Issue: The multimeter is giving an error message. Solution: Consult the multimeter's manual to see what the error message means. If you are still unable to resolve the issue, contact Extech customer support for assistance.

Issue: The multimeter is not working properly. Solution: If the multimeter is not working properly, try resetting it by pressing and holding the power button for 10 seconds. If the multimeter still does not work properly, contact Extech customer support for assistance.

Here are some additional tips for troubleshooting the Extech 42509 multimeter:

• Make sure that the multimeter is properly connected to the circuit or device you are testing.
• Make sure that the multimeter is set to the correct measurement mode.
• Make sure that the probes are properly inserted into the multimeter.
• If you are still having problems, try using a different multimeter to verify the readings.

I hope this helps!