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Fluke has introduced its most advanced and capable distance measurement device, the Fluke 421D laser distance meter.

Features include audible feedback for taking room angle and incremental measurements, a +/-45deg tilt sensor for taking indirect measurements in hard to reach areas and enhanced Pythagoras calculation for indirectly determining distance.

The Fluke 421D automatically stores the last 20 measurements for quick recall of previous measurements and measures distances up to 100m with one push of a button.

The company claims that this laser distance meter is far more accurate and dependable than devices using ultrasonic technology.

It is IP54 rated for resistance to water spray and dust.

Like other Fluke distance meters, the 421D is designed to help electricians, facilities managers and HVAC (heating, ventilation, air conditioning) contractors save time and labour.

Instead of walking back and forth across a space with a tape or a wheel, the user can simply place the meter at the starting point, point the laser at the target, press a button and instantly read the distance.

The Fluke 421D has a bright laser for easy targeting and a large liquid crystal display.

Buttons are positioned for one-hand operation.

The user interface allows the user to add or subtract measurements and quickly calculate area and volume.

An automatic shut-off feature improves battery life, providing up to 5,000 readings from a pair of AAA batteries.

Fluke laser distance meters boost productivity and save money by helping speed the measurement process and eliminate costly estimation errors.

They are built to withstand a 4ft drop.

Laser distance meters emit light pulses with a defined wavelength and frequency.

The laser beam is reflected off the target and back to the distance meter at the speed of light.

The returning wavelengths and light pulses change in relationship to the ones sent out by the meter.

The difference between the two signals is proportional to the distance to the target.

Unlike ultrasonic meters, the laser distance meter’s narrow laser beam prevents reflection off objects that are not targeted, avoiding false readings.

Laser distance meters are said to be much more accurate and reliable, as well as measure much longer distances than ultrasonic meters.

The 421D comes with an instruction book, carrying pouch to secure on a tool belt, batteries and a two-year warranty.

Fluke Calibration

Fluke Corporation was founded in 1948, specialising in electrical test and measurement products. Early in its history, Fluke recognised that the very best electrical metrology would be needed to support its products and undertook to develop this capability. From this activity, the calibration business was born. Over the years, many breakthrough calibration products were introduced, establishing Fluke as a leader in electrical metrology.

In 2000, Fluke acquired Wavetek Precision Measurement. In 2001, Fluke’s calibration business expanded into the temperature field with the acquisition of Hart Scientific and then into pressure and gas flow with the acquisition of DH Instruments (2007), followed by Ruska and Pressurements (2010).

The unified business’s unmatched breadth and depth in metrology puts Fluke Calibration in a unique position to deliver today’s and tomorrow’s calibrations solutions to customers who demand the very best, supported by an organisation they can count on for the long term.

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