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Maintenance
WARNING: Do not operate the meter until the battery compartment cover is in place and
fastened securely.
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This instrument is designed to provide years of dependable service, if the following care
instructions are performed:
1.
Keep the meter dry and free from dust.
2.
Use and store the meter in nominal temperature conditions. Temperature
extremes can shorten the life of the electronic parts and distort or melt plastic parts.
3.
Handle the meter carefully and avoid shock and vibration. Dropping the meter
may damage the electronic parts or the case.
4.
Keep the meter clean. Wipe the case occasionally with a damp cloth. DO NOT use
chemicals, cleaning solvents, or detergents.
5.
Use only fresh batteries of the correct type. Remove old or weak batteries so they
do not leak and damage the unit.
6.
If the meter is to be stored for long periods, the batteries should be stored
separately to prevent damage to the unit.
Battery Installation/Replacement
When the low battery symbol appears on the display or when the display does not switch
ON, replace the 9V battery.
1.
Slide the ON-OFF switch to OFF before replacing the battery.
2.
Slide down the rear battery compartment cover.
3.
Un-snap the old battery and replace with a fresh one.
4.
Replace the battery compartment cover.
Auto Power OFF
When the READ button is released during a test, the measurement value remains on the
LCD for 60 seconds. After 60 seconds the meter automatically shuts OFF; this is to
preserve the battery. Slide the ON-OFF switch from OFF to ON in order to start another
test after the Auto Power OFF timer turns the instrument OFF.
Specifications
General Specifications
Laser diode
Battery
Operating conditions
Dimensions
Weight
Recommended use
Range Specifications
Distance Range
Resolution
Accuracy
Displayed Calculation Ranges
Length
Area
Volume
Calculation rounding
Copyright © 2006 Extech Instruments Corporation (a FLIR company)
All rights reserved including the right of reproduction in whole or in part in any form.
Class IIIa (Class 2) red laser; 630 to 670nm
9V alkaline battery
o
o
39 to 102
F (0 to 39
C)
5.4 x 2.4 x 1.7" (136 x 61.5 x 44mm)
Approximately 4.1 oz. (117g) excluding battery
For indoor use only
1' 8" to 50' (0.5 to 15m)
0.1" (0.01m)
± (0.3% +1 least significant display digit) within 20' (6m)
99' 11" (99.99m)
2
999.99 sq. ft. (999.99m
)
3
999.99 cu. ft. (999.99m
)
Calculations are rounded up or down 2 least significant
digits
7
Model DT100 V4.2 9/08
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