FLK421

Description

These meters offer the most advanced laser technology for distance measurement

  • Instant measurement with one-button operation
  • Easy targeting with bright laser
  • Quick calculation of area and volume
  • Easy addition and subtraction of measurements
  • Designed for indoor and outdoor use
  • Reduction of estimation errors, saving both time and money
  • The most advanced laser technology for distance measurement
  • Instant measurements of the distance between two objects with one-button operation
  • Easy targeting with bright laser
  • Measurement to 30 m (100 ft) with accuracy of 3 mm (0.12 in)
  • Quick calculations of distance formulas such as area (square feet/meters) and volume
  • Easy performance of distance addition and subtraction calculations
  • Pythagoras function for indirect measurement via two other measurements
  • Improved battery life from automatic shut-off feature
  • Display holds for easier viewing in hard-to-reach areas
  • Batteries: two AAA
  • Carrying pouch to secure on tool belt
  • Two-year warrant
  • Ability to measure up to 100 m (330 ft)
  • Storage of the last twenty measurements for quick recall of distance
  • Audible feedback for taking room angle and 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

Technical Specifications

Fluke 411D

Fluke 416D

Fluke 421D

Range (for extended distances, use a target plate)*

0.1 m to 30 m

(0.33 ft to 100 ft)

0.05 m to 60 m

(0.16 ft to 200 ft)

0.05 m to 100 m

(0.16 ft to 330 ft)

Measuring accuracy**

± 3 mm (0.118 in)

± 1.5 mm (± 0.059 in)

± 1.5 mm (± 0.059 in)

Laser class

II

II

II

Laser type

635 nm, < 1 mW

635 nm, < 1 mW

635 nm, < 1 mW

Automatic power off

after 180 seconds

after 180 seconds

After 180 seconds

Continuous measurement

Addition/subtraction

Battery life up to

up to 3,000 measurements

up to 5,000 measurements

up to 5,000 measurements

LCD illumination

Data locations

10

20

Min/Max

Audible feedback

Pythagoras (Indirect measurement)

Simple

Full

Full

Room angle and stakeout

±45 ° Tilt sensor/ indirect measure

Ingress protection

IP40

IP54

IP54

Dimensions

123 mm x 50 mm x 26 mm

(4.84 in x 1.97 in x 1.02 in)

135 mm x 46 mm x 31 mm

(5.31 in x 1.81 in x 1.22 in)

127 mm x 52 mm x 29 mm (5.00 in x 2.06 in x 1.13 in)

Weight

150 g (5.29 oz)

110 g (3.88 oz)

125 g (4.40 oz)

Temperature range Storage

Operation

-25 °C to 70 °C (-13 °F to 158 °F) 0 °C to 40 °C (32 °F to 104 °F)

-25 °C to 70 °C (-13 °F to 158 °F) 0 °C to 40 °C (32 °F to 104 °F)

-25 °C to 70 °C (-13 °F to 158 °F) 0 °C to 40 °C (32 °F to 104 °F)

Operating altitude

(ISO 9022)

up to 3500 m

up to 3500 m

up to 3500 m

Storage humidity

(at 35 °C)

maximum 85 % for 24 h

maximum 85 % for 24 h

maximum 85 % for 24 h

Batteries

AAA (2)

AAA (2)

AAA (2)

 

 

Electrical Application

  • Conduit Length
  • Wire Length
  • Power Drop Spacing
  • Lighting Spacing And Location
  • Equipment Power Box Location

Plant Management (Industrial)

  • Equipment Layout
  • Piping/exhausts/ventiltion
  • Equipment Installation
  • Conduit Layout and Installation

Ternant Space

  • Space Layout
  • Layout Spacing
  • Floor Plan Layout

HVAC

  • Air ventilation and ducting
  • Equipment position
  • Air volume calculation
  • Hot/ cold water piping
  • Wire length
  • Duct Sizing

Fields marked with * are mandatory fields.

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