Extech DT200 Operating Manual
Laser Distance Finder
Extech DT200
User Guide
DT200
Introduction
Congratulations on your purchase of the Extech Model DT200 Laser Distance Finder. This meter
measures Distance up to 35m (115’) and calculates Area and Volume. In addition, the DT200
includes a laser pointer for accurate targeting. This meter is shipped fully tested and calibrated
and, with proper use, will provide years of reliable service.
Safety Instructions
This meter has been designed for safe use, but must be operated with caution.
WARNING: Do not directly view or direct the laser pointer at an eye. Low power visible lasers
do not normally present a hazard, but may present some potential for hazard if viewed directly
for extended periods of time.
Laser classification (Class 2)
The DT200 produces a visible Class 2 laser beam from the top of
the instrument. Do not stare into the laser beam or direct the beam
toward anyone’s eyes. Eye protection is normally an automatic
response (‘blink reflex’, for example).
Warning: Do not look directly into the laser beam using optical
aids such as binoculars or telescopes. This can create a hazard.
Permitted Uses
Measure Distances
Compute Area and Volume
Measure Angles
Prohibited Uses
Exceeding the specified measurement limits
Compromising or deactivating the safety systems built into the meter
Removal of hazard or explanatory labels affixed to the meter
Modifying or converting the instrument
Using third party accessories
Operation on scaffolding or ladders without proper safety precautions
Measuring near machines that are operating or near parts of machine installations that are
unprotected
Aiming the meter into the sunlight
Outdoor measurements or measurements on roads, near construction sites, etc. without
adequate safeguards
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DT200-EU-EN v2.1 08/13
Meter Description
Front Panel
1. Laser Pointer
2. Laser Test Beam
3. LCD display area
4. Keypad (described below)
5. Battery compartment on rear of instrument
Display
1. Laser Status icon appears when laser is active
2. Reference level (Top)
3. Reference Level (Bottom)
4. Area, Volume, and Indirect Measurement icons
5. Single Distance Measurement mode
6. Battery status icon
7. Reading Memory Location Number
8. Error icon
9. Continuous MIN-MAX measurement mode
10. Display Line 1
11. Display Line 2
12. Display Line 3 (Summary Display Line)
Keypad
Power ON / Measurement Button
CLEAR / Power OFF Button
Measurement Reference Button
Backlight / Unit Button
MAX-MIN Continuous Measurement Button
Indirect Measurement Button
Memory Button
Add/Subtract Buttons
Area-Volume Button
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2
3
DT200
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5
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DT200-EU-EN v2.1 08/13
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