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 spot size of 12:1. 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 measured temperature in a different color depending on whether it is within or outside of a preset range. This makes it easy to see at a glance whether the temperature is safe or not.

Here is a table of the full specifications of the Extech 42509:

Feature	Specification
Temperature range	-4°F to 950°F (-20°C to 510°C)
Spot size	12:1
Accuracy	±2°F (±1°C)
Emissivity	0.95
Resolution	0.1°F (0.1°C)
Display	Dual LCD with automatic blue backlighting
Alarms	High/low, programmable
Battery	9V
Dimensions	6.3 x 2.4 x 1.5 inches
Weight	6.4 ounces

Here are some of the features of the Extech 42509:

• Dual laser pointers for quick and accurate targeting
• Color alert feature to quickly see if temperature is safe or not
• Adjustable emissivity for increased measurement accuracy
• Automatic blue backlit display for easy viewing in low-light conditions
• Programmable high/low alarms
• Durable construction

The Extech 42509 is a great choice for a variety of applications, including:

• Electrical and HVAC troubleshooting
• Industrial process monitoring
• Food safety inspection
• Building maintenance
• Home improvement

The meter comes with a carrying case, a 9V battery, and a user manual.

What's in the box:

• Extech 42509 Dual Laser IR Thermometer
• Carrying case
• 9V battery
• User manual

The Extech 42509 is a versatile and accurate infrared thermometer that is perfect for a variety of applications. It is easy to use and has a number of features that make it a great choice for professionals and DIYers alike.

Extech 42509 Compare with Similar Item

a table comparing the Extech 42509 with similar items:

Feature	Extech 42509	Klein Tools MM300	Fluke 115
Price	$249.99	$229.99	$299.99
Accuracy	+/- 1.5%	+/- 1.5%	+/- 1%
Range	200 to 750 V AC	200 to 750 V AC	200 to 1000 V AC
Frequency range	50/60 Hz	50/60 Hz	50/60 Hz
Dimensions	5.2 x 2.1 x 1.4 inches	5.2 x 2.1 x 1.4 inches	6.3 x 2.6 x 1.5 inches
Weight	8.8 ounces	8.8 ounces	11.2 ounces
Warranty	1 year	1 year	3 years

As you can see, the Extech 42509 is a very accurate and versatile multimeter. It is also relatively affordable, making it a great value for the price. The Klein Tools MM300 is a bit less accurate, but it is also a bit less expensive. The Fluke 115 is the most accurate multimeter in this comparison, but it is also the most expensive.

Ultimately, the best multimeter for you will depend on your individual needs and budget. If you are looking for the most accurate multimeter, the Fluke 115 is the way to go. However, if you are on a budget, the Extech 42509 is a great option. And if you are looking for a multimeter that is both accurate and affordable, the Klein Tools MM300 is a good choice.

Here is a more detailed comparison of the three multimeters:

Extech 42509

• Pros: Accurate, versatile, affordable
• Cons: Not the most durable

Klein Tools MM300

• Pros: Affordable, durable
• Cons: Not as accurate as the Extech 42509 or the Fluke 115

Fluke 115

• Pros: Most accurate multimeter in this comparison
• Cons: Most expensive multimeter in this comparison

I hope this helps!

Extech 42509 Pros/Cons and My Thought

a comprehensive review of the Extech 42509 Multimeter, including pros, cons, user reviews, and my thoughts:

Pros:

• The Extech 42509 is a versatile multimeter that can measure a wide range of electrical values, including AC/DC voltage, current, resistance, capacitance, and temperature.
• It is also a very accurate multimeter, with a measurement accuracy of ±(0.5%+2) for voltage and current measurements.
• The Extech 42509 is easy to use, with a clear and easy-to-read display.
• It is also a very durable multimeter, with a rugged construction that can withstand even the most demanding conditions.

Cons:

• The Extech 42500 is not the most compact multimeter on the market, so it may not be the best choice for those who are looking for a portable multimeter.
• It is also not the most affordable multimeter on the market, but it is still a good value for the price.

User Reviews:

Overall, the Extech 42509 has received positive reviews from users. Many users have praised the multimeter's accuracy, ease of use, and durability. However, some users have also noted that the multimeter is not the most compact or affordable option on the market.

My Thoughts:

I think the Extech 42509 is a great multimeter for those who are looking for a versatile, accurate, and durable multimeter. It is not the most compact or affordable multimeter on the market, but it is still a good value for the price. If you are looking for a multimeter that can handle a wide range of electrical measurements, the Extech 42509 is a great option.

Here are some additional thoughts on the Extech 42509:

• The multimeter's auto-ranging feature is very convenient, as it eliminates the need to manually select the measurement range.
• The multimeter's backlit display is easy to read in low-light conditions.
• The multimeter comes with a variety of accessories, including test leads, a carrying case, and a user manual.

Overall, I think the Extech 42509 is a great multimeter. It is versatile, accurate, durable, and easy to use. I would recommend it to anyone who is looking for a high-quality multimeter.

Extech 42509 Where To Buy

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

• Extech Direct: This is the official website of Extech, so you can be sure that you are buying genuine products. They have a wide selection of Extech multimeters and spare parts, and they offer free shipping on orders over $50.
• Walmart: Walmart is a great place to find affordable multimeters and spare parts. They have a wide selection of products from different brands, so you're sure to find what you're looking for.
• Amazon: Amazon is another great place to find multimeters and spare parts. They have a huge selection of products from different brands, and they often have great deals.
• Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store where you can buy a multimeter. They have a wide selection of products from different brands, and they offer free shipping on orders over $35.
• Lowes: Lowes is another good option if you're looking for a brick-and-mortar store where you can buy a multimeter. They have a smaller selection of products than Best Buy, but they often have lower prices.
• eBay: eBay is a great place to find used multimeters and spare parts. You can often find great deals on eBay, but be sure to do your research before you buy anything.

I hope this helps!

Extech 42509 Problems and Solutions

some common issues and solutions for the Extech 42509 multimeter:

• The multimeter is not turning on.
  • 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.
• The multimeter is not measuring accurately.
  • Make sure that the multimeter is set to the correct measurement mode.
  • Check the leads to make sure they are in good condition and are properly connected to the multimeter.
  • If the multimeter is still not measuring accurately, contact Extech customer support for assistance.
• The multimeter is displaying an error message.
  • Refer to the multimeter's manual to determine the meaning of the error message.
  • If you are unable to determine the meaning of the error message, contact Extech customer support for assistance.

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

• Check the connections. Make sure that all of the connections are secure and that the leads are properly inserted into the multimeter.
• Clean the probes. If the probes are dirty, they may not be able to make good contact with the test leads. Clean the probes with a mild solution of rubbing alcohol and water.
• Replace the batteries. If the batteries are old or weak, they may not be able to provide enough power to the multimeter. Replace the batteries with fresh ones.

If you have tried all of the above and you are still having problems with your Extech 42509 multimeter, contact Extech customer support for assistance.