Fluke 411D User Manual Download Page 7

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Pythagoras

See drawing 

G:

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Press key 

8

 three times.

The Pythagoras symbol appears on the
display.

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Press key 

4

 and measure the first distance

(diagonal measurement).

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Press key 

4

 and measure the second distance

(horizontal measurement).

The device displays the result in the summary 
row and the respective measured distance to the 
next measurement in the second row.

Troubleshooting

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If the message 

Error

 does not disappear

after switching on the device repeatedly,
please contact the retailer.

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If the message 

InFo

 appears with a number,

observe the instructions in the following
table.

Technical data

* under favorable conditions (good target 
surface, room temperature) up to 10 m (33ft). 
Under unfavorable conditions such as bright 
sunlight, a very weakly reflecting target surface 
or large temperature fluctuations, the deviation 
can rise by ± 0.25 mm/m (±0.01 in) for 
distances over 10 m (33 ft).

Electromagnetic compatibility 
(EMC)

Despite the compliance with all requirements of 
the corresponding directives and norms, a 
disturbance of other devices is possible.

No.

Cause

Remedy

204 Calculation error

Perform measurement 
again.

252 Temperature too high

Let the device cool 
down.

253 Temperature too low

Warm the device up.

255 Reception signal too 

weak, measuring time 
too long

Change target surface 
(e.g. white paper).

256 Input signal too high

Change target surface 
(e.g. white paper).

257 Measuring error, too 

much background light

Shadow the target 
area.

258 Measurement outside 

of the measuring range

Mind the range.

260 Laser beam interrupted Repeat the 

measurement.

Range

0.1 m to 30 m
0.33 ft to 100 ft

Measuring accuracy (2 

σ

Typ.: ± 3.0 mm*
± 0.12 in*

Smallest unit displayed

1 mm (1/16 in)

Laser class

2

Laser type

635 nm, < 1 mW

Automatic switch-off

after 180 s

Continuous measuring

yes

Addition/Subtraction

yes

Area

yes

Volume

yes

Pythagoras

yes

Unit switching

yes

Dimension (H x D x W)

118 x 50 x 26 mm
4.65 x 1.97 x 1.02 in

Battery durability
(2 x AAA)

up to 3000 
measurements

Weight

100 g
3.22 ounce

Temperature range:
- Storage
- Operation

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

Warning

Possible disturbance of other devices
(e.g. safety equipment, medical equipment) 
due to electromagnetic radiation!

Â

Observe the safety instructions of the respective 
devices.

Summary of Contents for 411D

Page 1: ...411D Laser Distance Meter Users Manual July 2008 2008 Fluke Corporation All rights reserved Specifications subject to change without notice All product names are trademarks of their respective companies ...

Page 2: ...e center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Fluke determines that failure was caused by neglect misuse contamina t...

Page 3: ...A D E F 620 690 nm 1 2 3 4 5 6 8 9 7 B C 7 85 m 25 8 ft 8 93 m 29 3 ft X X 4 25 m 13 9 ft G ...

Page 4: ...that the device is not converted or modified  Avoid using accessories of other producers that are not recommended by Fluke  Make sure that the device is not used carelessly Πwhen working on scaffolds Πwhen climbing ladders Πwhen measuring near running machines Πwhen measuring on open machine parts or installations  Avoid aiming directly at the sun  Avoid blinding other persons intentionall...

Page 5: ...aline batteries  Remove battery compartment cover  Insert alkaline batteries 2 x AAA observing the polarity  Close the battery compartment cover Changing the batteries  Change the batteries when the battery symbol is blinking permanently How to use Measuring conditions The quality of the measurement depends on the surfaces to which you are measuring Measurement errors Measuring errors are poss...

Page 6: ...ion enables distances to be staked out  Hold key 4 for several seconds Continuous measuring starts  Press key 4 briefly Continuous measuring stops The value last measured appears in the summary row Functions Add Subtract Add  Measure the first distance  Press key 9 once The device adds the second measuring result to the first measuring result  Measure the second distance Subtract  Measure th...

Page 7: ... of other devices is possible No Cause Remedy 204 Calculation error Perform measurement again 252 Temperature too high Let the device cool down 253 Temperature too low Warm the device up 255 Reception signal too weak measuring time too long Change target surface e g white paper 256 Input signal too high Change target surface e g white paper 257 Measuring error too much background light Shadow the ...

Page 8: ...n the device with a damp soft cloth  Do not immerge the device in water  Do not use aggressive cleaning agents or solvents Disposal Note Do not dispose of this product as unsorted municipal waste Go to Fluke s website for recycling information Warning Bodily harm due to laser beam  Do not look directly into the laser beam  Do not look directly into the laser beam with optical appliances such a...

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