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

Extech 42509 Information

The Extech 42509 Dual Laser IR Thermometer with Color Alert is a professional-grade infrared thermometer that offers a wide range of features and accuracy for a variety of applications. It features dual laser pointers for quick and accurate target acquisition, a programmable high/low alarm, and an automatic blue backlit dual LCD display. The emissivity of the target can also be adjusted to improve measurement accuracy for different surfaces.

Image of Extech 42509 Dual Laser IR Thermometer with Color Alert

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

Feature	Specification
Temperature range	-4 to 950°F (-20 to 510°C)
Accuracy	±2°F (±1°C) at 32°F (0°C)
Resolution	0.1°F (0.1°C)
Spot size	12:1
Emissivity	Adjustable from 0.01 to 1.0
Backlight	Automatic blue
Display	Dual LCD
Alarms	Programmable high/low
Battery	9V
Dimensions	6.3 x 2.8 x 1.7 inches
Weight	5.6 ounces

The Extech 42509 also features a number of additional features that make it a versatile and powerful tool for a variety of applications. These include:

• A built-in memory that can store up to 30 readings |
• A data hold function that allows you to freeze the current reading |
• A MAX/MIN function that records the maximum and minimum readings |
• A relative mode that allows you to measure the difference in temperature between two points |
• A continuous scan mode that allows you to measure the temperature of multiple points in succession |

The Extech 42509 comes with a carrying case, a 9V battery, and a user manual. It is backed by a one-year warranty.

What's in the box?

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

The Extech 42509 Dual Laser IR Thermometer with Color Alert is a powerful and versatile tool that is ideal for a variety of applications. It is accurate, easy to use, and comes with a number of features that make it a valuable addition to any technician's toolkit.

Extech 42509 Compare with Similar Item

a table comparing the Extech 42509 with some similar items:

Feature	Extech 42509	Klein Tools MM500	Fluke 117
Price	$24.99	$29.99	$59.99
Accuracy	±1.5%	±1.0%	±1.0%
Range	200-600 VAC	200-600 VAC	200-1000 VAC
Frequency range	50/60 Hz	50/60 Hz	50/60 Hz
Dimensions	4.5 x 1.5 x 1.25 in	5.1 x 1.8 x 1.2 in	6.2 x 2.1 x 1.3 in
Weight	4.2 oz	5.6 oz	7.4 oz

As you can see, the Extech 42509 is the most affordable option, but it also has the least accurate readings. The Klein Tools MM500 is slightly more expensive, but it has more accurate readings. The Fluke 117 is the most expensive option, but it has the most accurate readings and the widest range of features.

Ultimately, the best option for you will depend on your budget and your needs. If you are looking for an affordable and accurate AC voltage tester, the Extech 42509 is a good choice. If you need a more accurate tester with a wider range of features, the Klein Tools MM500 or the Fluke 117 are better options.

Extech 42509 Where To Buy

Sure. Here are some places where you can buy the Extech 42509 and spare parts:

• Extech Direct: Extech's official website is a great place to buy the Extech 42509 and spare parts. They have a wide selection of products and offer competitive prices.
• Walmart: Walmart is another great option for buying the Extech 42509 and spare parts. They have a wide selection of products and offer competitive prices.
• Amazon: Amazon is another popular option for buying the Extech 42509 and spare parts. They have a wide selection of products and offer competitive prices.
• Best Buy: Best Buy is a good option for buying the Extech 42509 if you are looking for a brick-and-mortar store. They have a limited selection of products, but they offer competitive prices.
• Lowes: Lowes is another good option for buying the Extech 42509 if you are looking for a brick-and-mortar store. They have a limited selection of products, but they offer competitive prices.
• Ebay: Ebay is a good option for buying the Extech 42509 if you are looking for a used or refurbished product. They offer a wide selection of products and prices vary depending on the condition of the product.

I hope this helps!

Extech 42509 Problems and Solutions

Sure. Here are some common issues and problems with the Extech 42509 multimeter, along with solutions from experts:

• The multimeter is not turning on.
  • Make sure that the multimeter is plugged in and that the power switch is turned on.
  • If the multimeter is still not turning on, try replacing the batteries.
• The multimeter is not displaying any readings.
  • Make sure that the multimeter is set to the correct measurement mode.
  • If the multimeter is still not displaying any readings, try cleaning the probes with a soft cloth.
• The multimeter is giving inaccurate readings.
  • Make sure that the probes are properly inserted into the multimeter.
  • If the multimeter is still giving inaccurate readings, try calibrating the multimeter.
• The multimeter is not working properly.
  • If you have tried all of the above solutions and the multimeter is still not working properly, you may need to contact Extech customer support for assistance.

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

• Always make sure that the multimeter is turned off before inserting or removing the probes.
• Do not use the multimeter in wet or humid conditions.
• Do not store the multimeter in extreme temperatures.
• If the multimeter is dropped, take it to a qualified technician to have it checked for damage.

By following these tips, you can help to ensure that your Extech 42509 multimeter continues to provide accurate readings for many years to come.

Extech 42509 Manual

Extech 42509 Dual Laser IR Thermometer with Color Alert

Safety Information

• This instrument is not a toy. Keep it out of the reach of children.
• Do not use the instrument in flammable or explosive atmospheres.
• Do not use the instrument in rain or snow.
• Do not use the instrument near heat sources.
• Do not use the instrument if it is damaged or malfunctioning.
• Do not attempt to repair the instrument yourself. Contact Extech Customer Service for assistance.

Before Use

• Read and understand the entire manual before using the instrument.
• Make sure the batteries are installed correctly.
• Select the appropriate emissivity setting for the surface you are measuring.
• Hold the instrument steady and point it at the center of the target surface.
• Press and hold the trigger to take a measurement.
• Release the trigger to view the measurement.

Troubleshooting

• If the instrument does not turn on, check the batteries.
• If the readings are inaccurate, check the emissivity setting.
• If the instrument is not working properly, contact Extech Customer Service.

Maintenance

• Keep the instrument clean and free of dirt and dust.
• Do not use harsh chemicals or solvents to clean the instrument.
• If the instrument gets wet, dry it thoroughly with a soft cloth.
• Store the instrument in a cool, dry place.

Warranty

• Extech Instruments Corporation warrants this instrument to be free of defects in materials and workmanship for three years from the date of purchase.
• If the instrument becomes defective during the warranty period, Extech will repair or replace it, at its option, free of charge.
• This warranty does not cover damage caused by misuse, abuse, or accident.
• To obtain warranty service, contact Extech Customer Service at (781) 890-7440 or visit our website at www.extech.com.

Contact Information

• Extech Instruments Corporation
• 148 Main Street
• Nashua, NH 03060
• USA
• Phone: (781) 890-7440
• Fax: (781) 890-7441
• Email: [email protected]
• Website: www.extech.com

Additional Information

• The Extech 42509 IR Thermometer can measure temperatures from -40°F to 950°F (-40°C to 510°C).
• The instrument has a distance to target ratio of 12:1. This means that the spot size at a distance of 12 inches is 1 inch in diameter.
• The instrument has a dual laser pointer that helps you to accurately target the surface you are measuring.
• The instrument has a color alert feature that indicates when the temperature of the target surface exceeds a pre-set high or low limit.
• The instrument has an adjustable emissivity setting that allows you to compensate for the different emissivity values of different materials.
• The instrument has a max hold function that allows you to temporarily store the highest temperature reading that you have taken.
• The instrument has an auto power off feature that turns the instrument off after a period of inactivity.
• The instrument is powered by a single 9V battery.
• The instrument comes with a carrying case and a user manual.