Fluke 421D Laser Distance Meter

Model: 421D

Features a maximum measuring distance of 100m/330ft, an accuracy of 1/16" (1.5 mm) and can take 5,000 measurements on a single battery life. Measures Enhanced Pythagoras.

Sorry! This product has been discontinued.


The Fluke 421D Laser Distance Meter has been discontinued, it has been replaced by the Fluke 424D Laser Distance Meter



 

  • Improved visibility with backlit, three-line display
  • Ability to measure up to 100 m (330 ft)
  • Enhanced Pythagoras calculation for determining distance indirectly from three other measurements
  • Audible feedback of on and off modes
  • Storage of the last twenty measurements, for quick recall of distance
  • Minimum and Maximum function
  • Strong environmental protection with IP54 (water spray and dust proof) sealing
  • Audible feedback for taking incremental measurements
  • ± 45° Tilt sensor for taking indirect measurements in hard to reach areas
  • Tripod mode allows you to mount to a tripod for measuring long distances
  • Built in light sensor for activating the backlight saving battery life
  • Corner angle feature, allows you to determine the angle of a corner
Hgh-performance, professional grade laser distance measuring tool that is fast, easy to use, and fits in your pocket.
The Fluke 421D laser distance meter brings greater distance and advanced features to the Fluke laser distance meter family.
This compact and handy Fluke 421D laser distance meter was designed for indoor and limited outdoor applications. The Fluke 421D is simple to operate, with the Fluke durability and quality you expect. And, with shortcut keys for addition, subtraction, area, and volume, measurements could not be simpler. The extra bright laser is clearly visible so you can always see your targeting point even if the target object is in a hard-to-reach spot, or a long distance away. The Fluke 421D has a large LCD screen and buttons positioned for one-handed measurements.
Use Fluke laser distance meters to quickly and accurately determine the distance to your target, the area bounded by two distances, or the volume within three measurements:
  • Reduce estimation errors, saving time and money
  • Instant measurements of the distance between two objects with one-button operation
  • Quick calculations of distance formulas such as area (square feet/meters) and volume
  • Easy performance of distance addition and subtraction calculations

Laser distance meters are better than ultrasonic devices because they use laser light waves and measure their reflection to accurately determine distances:
  • Most advanced technology for measuring distances
  • More accurate and measure longer distances
  • Rugged and reliable as customers expect from Fluke products

Technical specifications
Range (for extended distances, use a target plate)*
0.05 m to 100 m
(0.16 ft to 330 ft)
Measuring accuracy**
± 1.5 mm (0.059 in)
Units displayed
00.000 m, 000 ft 00 in 1/16, 0000 in 1/16
Laser class
Class II
Laser type
635 nm, < 1 mW
Automatic power off
after 180 seconds
Continuous measurement
Yes
Addition/subtraction
Yes
Battery life
up to 5,000 measurements
LCD illumination
Yes
Data locations
20
Min/Max
Yes
Audible feedback
Yes
Pythagoras (Indirect measurement)
Full
Ingress protection
IP54
Dimensions
127 mm x 52 mm x 29 mm
(5.00 in x 2.06 in x 1.13 in)
Weight
Fluke 421D 125 g (4.40 oz)
Temperature range
Storage: -25 °C to 70 °C (-13 °F to 158 °F)
Operation: 0 °C to 40 °C (32 °F to 104 °F)
Operating altitude
(ISO 9022)
up to 3500 m
Storage humidity
(at 35 °C)
maximum 85 % for 24 h
Batteries
AAA (2)

* In favorable conditions (optimal target surface, room temperature) up to 10 m (33 ft). In unfavorable conditions, such as intensive sunshine, very weakly reflecting target surface, or large temperature fluctuations, measuring accuracy may deteriorate to approx. ± 0.25 mm/m (± 0.003 in/ft) for distances above 10 m (33 ft).

** In favorable conditions (optimal target surface, room tem- perature) up to 10 m (33 ft). In unfavorable conditions, such as intensive sunshine, very weakly reflecting target surface, or large temperature fluc- tuations, the deviation over distances 10 m (33 ft) can increase by approx. ± 0.15 mm/m (± 0.0018 in/ft).

  • 2 AAA batteries
  • Users Manual on CD
  • Quick Start Guide
  • Nylon Carrying Case
  • Wrist Strap
  • Two Year Warranty

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