Extech 42509: Top-notch Specifications, Comprehensive Comparisons, And Trusted Buying Sources

Extech 42509 Information

The Extech 42509 is a dual laser infrared thermometer with color alert. It measures temperatures from -4°F to 950°F (-20°C to 510°C) with a 12:1 spot ratio. The meter has two laser pointers that help you quickly and accurately target the area you want to measure. The color alert feature displays the temperature in green, yellow, or red depending on whether the temperature is within, above, or below the pre-set alarm limits.

Specifications

• Temperature range: -4°F to 950°F (-20°C to 510°C)
• Spot ratio: 12:1
• Accuracy: ±2°F (±1°C) at 32°F (0°C)
• Emissivity: 0.95
• Laser wavelength: 940 nm
• Display: Dual LCD with automatic blue backlighting
• Dimensions: 5.5 x 2.2 x 1.3 inches (14 x 5.5 x 3.3 cm)
• Weight: 5.2 ounces (147 g)

Features

• Dual laser pointers for quick and accurate targeting
• Color alert feature displays temperature in green, yellow, or red
• Programmable high/low alarms
• Automatic blue backlighting
• Adjustable emissivity for different surface types
• Carry case included

What's in the box

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

The Extech 42509 is a versatile and accurate infrared thermometer that is perfect for a variety of applications. It is ideal for measuring temperatures in hard-to-reach areas, such as electrical panels or machinery. The color alert feature is a helpful safety feature that can help you avoid burns or other injuries. The Extech 42509 is a reliable and durable tool that is backed by a one-year warranty.

Here are some additional benefits of using the Extech 42509:

• It can be used in a variety of environments, including indoors and outdoors.
• It is easy to use and operate.
• The display is clear and easy to read.
• The battery life is long-lasting.

Overall, the Extech 42509 is a great choice for anyone who needs a reliable and accurate infrared thermometer. It is a versatile tool that can be used for a variety of applications.

Extech 42509 Compare with Similar Item

a table comparing the Extech 42509 with some similar items:

Feature	Extech 42509	Klein Tools ET324	Fluke 115
Price	$69.99	$64.99	$109.95
Accuracy	±0.5%	±0.5%	±1%
Range	200V AC/DC	200V AC/DC	1000V AC/DC
Display	3.5-digit LCD	3.5-digit LCD	4-digit LCD
Dimensions	5.1 x 2.1 x 1.2 in	5.5 x 2.2 x 1.2 in	6.8 x 2.8 x 1.5 in
Weight	4.9 oz	5.2 oz	7.2 oz
Battery life	400 hours	400 hours	500 hours
Warranty	2 years	2 years	3 years

As you can see, the Extech 42509 is a very affordable multimeter with good accuracy and a wide range. It is also relatively compact and lightweight. The Klein Tools ET324 is a similar multimeter, but it is slightly more expensive. It has the same accuracy and range as the Extech 42509, but it has a larger display. The Fluke 115 is a more expensive multimeter, but it has a higher accuracy and a wider range. It also has a more durable construction.

Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for an affordable multimeter with good accuracy and a wide range, the Extech 42509 is a great option. If you are willing to spend a little more, the Klein Tools ET324 or the Fluke 115 are both excellent choices.

Here is a more detailed comparison of the three multimeters:

Extech 42509

• Pros: Affordable, accurate, wide range, compact and lightweight
• Cons: Display is not as large as some other multimeters

Klein Tools ET324

• Pros: Similar to Extech 42509, but with a larger display
• Cons: Slightly more expensive

Fluke 115

• Pros: More accurate and wider range than other multimeters, durable construction
• Cons: More expensive

I hope this helps!

Extech 42509 Pros/Cons and My Thought

a 500-word summary of the Extech 42509 multimeter, including pros and cons, user reviews, and my thoughts:

The Extech 42509 is a digital multimeter that offers a wide range of features and functions. It is a good choice for both professionals and hobbyists who need a reliable and accurate multimeter.

Pros:

• The Extech 42509 has a large, backlit display that makes it easy to read in even low-light conditions.
• It has a wide range of measurement capabilities, including AC/DC voltage, current, resistance, capacitance, and frequency.
• It is accurate to 0.01%, which is more accurate than many other multimeters in its price range.
• It is well-built and durable, with a rugged case that can withstand even the most demanding conditions.

Cons:

• The Extech 42509 is not the most user-friendly multimeter on the market. The buttons are small and can be difficult to press, and the menu system can be confusing.
• It is not as compact as some other multimeters, so it may not be the best choice for people who need a portable multimeter.

User reviews:

Overall, user reviews of the Extech 42509 are positive. Many users praise its accuracy, durability, and wide range of features. However, some users have complained about the small buttons and confusing menu system.

My thoughts:

I think the Extech 42509 is a good multimeter for people who need a reliable and accurate tool. It is not the most user-friendly multimeter on the market, but it is a good value for the price.

Here are some additional thoughts on the Extech 42509:

• The wide range of measurement capabilities makes it a versatile tool for a variety of tasks.
• The accuracy is excellent, which is important for making precise measurements.
• The rugged construction makes it a durable tool that can withstand even the most demanding conditions.
• The small buttons and confusing menu system can be a drawback, but they are not a deal-breaker.

Overall, I think the Extech 42509 is a good multimeter that offers a lot of value for the price. If you are looking for a reliable and accurate multimeter with a wide range of features, then the Extech 42509 is a good option to consider.

Extech 42509 Where To Buy

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

• Extech Direct: This is the manufacturer's website, so you can be sure that you're getting an authentic product. They also have a good selection of spare parts.
• Walmart: Walmart is a great place to find electronics at a good price. They usually have Extech 42509 in stock, and you can also find spare parts there.
• Amazon: Amazon is another great option for finding Extech 42509 and spare parts. They have a wide selection of products, and you can often find good deals.
• Best Buy: Best Buy is a good place to buy electronics if you want to see the product in person before you buy it. They usually have Extech 42509 in stock, and you can also find spare parts there.
• Lowes: Lowe's is a good place to buy home improvement products, including Extech 42509. They usually have a good selection of spare parts as well.
• eBay: eBay is a great place to find discontinued products or hard-to-find spare parts. You can often find good deals on Extech 42509 and spare parts on eBay.

I hope this helps!

Extech 42509 Problems and Solutions

The Extech 42509 is a multimeter that is known for its accuracy and durability. However, like any electronic device, it can sometimes experience problems. Here are some common issues and solutions for the Extech 42509:

Issue: The multimeter is not turning on.

Solution: Check the batteries to make sure they are inserted correctly and that they are not dead. If the batteries are good, then try resetting the multimeter by pressing and holding the power button for 10 seconds. If the multimeter still does not turn on, then you may need to 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, then you may need to replace the fuse.

Issue: The multimeter is not working properly in a specific mode.

Solution: Check the multimeter's manual to make sure that you are using the correct mode for the measurement you are trying to take. If you are using the correct mode and the multimeter is still not working properly, then you may need to contact Extech customer support for assistance.

Here are some additional tips for troubleshooting common Extech 42509 problems:

• Make sure that you are using the multimeter in a well-lit area.
• Avoid using the multimeter in dusty or dirty environments.
• Do not drop or bang the multimeter.
• Keep the multimeter's probes clean and free of debris.

If you are experiencing any problems with your Extech 42509 that are not listed above, then you should contact Extech customer support for assistance.