Testo 540: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy

Testo 540 Information

The Testo 540 is a compact, easy-to-use light meter that is ideal for measuring lighting conditions in a variety of different workplaces. The meter has a large, easy-to-read display and a number of useful functions and features, including:

  • Min/max values: The min/max values can be shown at the touch of a button, so you can easily see the lowest and highest readings that have been taken.
  • Hold function: The hold function allows you to freeze the last reading, so you can take a closer look at it.
  • Protective cap: The protective cap protects the meter when it is not in use.

The Testo 540 can measure both artificial and natural light, and it has an accuracy of ±3 Lux or 3% and a resolution of 1 to 10 Lux. The meter measures light in a variety of different units, including Lux, Foot-candles, and Lumens.

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Full specifications

FeatureValue
Measuring range0 to 99999 Lux
Accuracy±3 Lux or 3%
Resolution1 to 10 Lux
Units of measurementLux, Foot-candles, Lumens
DisplayLarge, easy-to-read display
FunctionsMin/max values, hold function, protective cap
Dimensions150 x 60 x 30 mm
Weight120 g

Features

  • Compact and lightweight design for easy portability
  • Large, easy-to-read display
  • Min/max values and hold function for quick and easy analysis of results
  • Protective cap for safe storage
  • Measures both artificial and natural light
  • Accurate to ±3 Lux or 3%
  • Resolution of 1 to 10 Lux
  • Measures light in a variety of different units

What's in the box

  • Testo 540 light meter
  • Protective cap
  • Instruction manual

The Testo 540 is a versatile and accurate light meter that is ideal for a variety of different applications. It is easy to use and has a number of useful features that make it a valuable tool for anyone who needs to measure lighting conditions.

Additional information

  • The Testo 540 is powered by a AAA battery, which is included in the box.
  • The meter has a battery life of approximately 500 hours.
  • The Testo 540 comes with a 2-year warranty.

If you are looking for a compact, accurate, and easy-to-use light meter, the Testo 540 is a great option. It is perfect for measuring lighting conditions in a variety of different workplaces, and it has a number of useful features that make it a valuable tool.

Testo 540 Compare with Similar Item

a table comparing the Testo 540 to two similar light meters:

FeatureTesto 540Extech LL100Uni-Trend UT333B
Measuring range0 to 99999 Lux0 to 199999 Lux0 to 200000 Lux
Accuracy±3 Lux or ±3 %±5 Lux or ±5 %±4 Lux or ±4 %
Resolution1 Lux (0 to 19999 Lux); 10 Lux (Remaining Range)1 Lux (0 to 9999 Lux); 10 Lux (Remaining Range)1 Lux (0 to 9999 Lux); 10 Lux (Remaining Range)
Measuring rate0.5 s1 s1 s
DisplayBacklit LCD displayBacklit LCD displayBacklit LCD display
Weight95 g120 g131 g
Dimensions133 x 46 x 25 mm152 x 63 x 35 mm155 x 63 x 36 mm
Battery life200 h (average, without display illumination)240 h (average, without display illumination)240 h (average, without display illumination)
Price$100$120$130

As you can see, the Testo 540 is a basic light meter with a good accuracy and resolution. It is also relatively lightweight and compact. The Extech LL100 and Uni-Trend UT333B are both more expensive than the Testo 540, but they offer a wider measuring range and higher accuracy. If you need a light meter with a wider range of measurements, then either the Extech LL100 or Uni-Trend UT333B would be a good choice. However, if you are looking for a basic light meter that is accurate and affordable, then the Testo 540 is a great option.

Here are some additional details about each of the light meters:

  • Testo 540 is a compact, entry-level light meter that is ideal for carrying out spot checks in the workplace, shops, and offices. It has a measuring range of 0 to 99999 Lux and an accuracy of ±3 Lux or ±3 %. It also has a number of useful functions and features, including a large, easy-to-read display, min/max values, a hold function, and a protective cap.
  • Extech LL100 is a more advanced light meter with a wider measuring range of 0 to 199999 Lux and a higher accuracy of ±5 Lux or ±5 %. It also has a number of additional features, such as a light tunnel, a data hold function, and a memory function.
  • Uni-Trend UT333B is another advanced light meter with a measuring range of 0 to 200000 Lux and an accuracy of ±4 Lux or ±4 %. It also has a number of additional features, such as a data hold function, a memory function, and a built-in flashlight.

Testo 540 Where To Buy

You can buy Testo 540 and spare parts from the following retailers:

  • Testo Direct: This is the manufacturer's website and they have the widest selection of Testo products, including the 540 and spare parts. They also offer free shipping on orders over $99.
  • Walmart: Walmart is a good option if you're looking for a physical store where you can buy the Testo 540. They usually have competitive prices and offer free shipping on orders over $35.
  • Amazon: Amazon is another great option for buying the Testo 540. They have a wide selection of products and prices, and you can often find discounts and coupons.
  • Best Buy: Best Buy is a good option if you're looking for a physical store where you can buy the Testo 540. They usually have competitive prices and offer free shipping on orders over $35.
  • Lowes: Lowes is a good option if you're looking for a physical store where you can buy the Testo 540. They usually have competitive prices and offer free shipping on orders over $45.
  • eBay: eBay is a good option if you're looking for a used or refurbished Testo 540. You can often find deals on eBay, but be sure to check the seller's reputation before making a purchase.

If you're not sure where to buy the Testo 540, you can always do a price comparison online. There are a number of websites that allow you to compare prices from different retailers.

Once you've found the best price, you can make your purchase. Be sure to read the product description carefully before making a purchase, and check the return policy in case you're not happy with your purchase.

Testo 540 Problems and Solutions

some common issues and problems with Testo 540, along with step-by-step solutions from experts:

  • The Testo 540 does not turn on.
    • Make sure that the Testo 540 is properly plugged in and that the battery is charged.
    • If the Testo 540 is still not turning on, try resetting it by pressing and holding the power button for 10 seconds.
  • The Testo 540 is not displaying accurate readings.
    • Make sure that the Testo 540 is properly calibrated.
    • If the Testo 540 is still not displaying accurate readings, try cleaning the sensor probes.
  • The Testo 540 is giving an error message.
    • Refer to the Testo 540 user manual for a list of error messages and their corresponding solutions.
  • The Testo 540 is not connecting to a computer.
    • Make sure that the Testo 540 is properly plugged into the computer.
    • If the Testo 540 is still not connecting to the computer, try updating the software.

Here are some additional tips for troubleshooting common Testo 540 problems:

  • If you are experiencing a problem that is not listed above, try searching the Testo 540 support website for help.
  • You can also contact Testo customer support for assistance.
  • It is important to note that not all Testo 540 problems can be fixed by the user. If you have a problem that you cannot resolve, you may need to send the Testo 540 to a qualified technician for repair.

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

Testo 540 Manual

Testo 540 Manual

Safety Information

  • Before using the testo 540 lux meter, please read the safety instructions carefully.
  • The testo 540 is a measuring instrument and should not be used as a toy.
  • Keep the testo 540 out of the reach of children.
  • Do not use the testo 540 in explosive atmospheres.
  • Do not use the testo 540 in rain or snow.
  • Do not use the testo 540 if it is damaged.
  • If the testo 540 is dropped, take it to a qualified service technician for inspection before using it again.
  • Do not attempt to repair the testo 540 yourself.
  • Dispose of the testo 540 in accordance with local regulations.

Before Use

  • Check the testo 540 for damage before using it.
  • Make sure that the batteries are inserted correctly.
  • Select the desired measurement unit.
  • Hold the testo 540 horizontally so that the light sensor is directed upwards.
  • Point the testo 540 at the area that you want to measure.
  • Press the button to start the measurement.
  • The measurement results will be displayed on the screen.

Troubleshooting

  • If the testo 540 does not turn on, check the batteries.
  • If the testo 540 displays an error message, consult the manual.
  • If the testo 540 is not giving accurate readings, clean the light sensor.
  • If you are still having problems with the testo 540, contact a qualified service technician.

Maintenance

  • Keep the testo 540 clean.
  • Wipe the testo 540 with a soft, dry cloth.
  • Do not use harsh chemicals to clean the testo 540.
  • Do not immerse the testo 540 in water.
  • Replace the batteries when they are low.

Warranty

The testo 540 is covered by a one-year warranty.

Contact Information

  • Testo North America
  • 100 Innovation Drive
  • Rockford, IL 61102
  • Phone: (815) 397-8800
  • Fax: (815) 397-8888
  • Website: www.testo.com

Additional Information

  • The testo 540 can measure illuminance in lux (lx) or foot-candles (fc).
  • The testo 540 has a range of 0.1 to 200,000 lux (0.01 to 20,000 fc).
  • The testo 540 has an accuracy of ±3%.
  • The testo 540 uses two AAA batteries.
  • The testo 540 has a battery life of up to 100 hours.

I hope this manual has been helpful. Please contact Testo North America if you have any further questions.

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