LT300-EU-EN V2.3 2/13
2
Introduction
Congratulations on your purchase of the Extech LT300 Digital Light Meter. The LT300 measures
light level (illuminance) to 400,000 Lux (40,000 Fc). The LT300 offers a backlit display, MAX/MIN,
Data Hold, Relative, Peak, and Reset features. This instrument is shipped fully tested and calibrated
and, with proper use, will provide years of reliable service. Please visit our website
(www.extech.com) to check for the latest version of this User Guide, Product Updates, and
Customer Support.
Meter Description
1.
Sensor cable
2.
Analog bargraph
3.
Numerical display
4.
RANGE button
5.
ON/OFF button
6.
MAX/MIN button
7.
RESET button
8.
LCD Backlight button
9.
LUX button
10. Fc foot candle button
11. Protective rubber jacket
12. RELATIVE button
13. Data HOLD button
14. PEAK button
15. Photo sensor dome
Notes: Protective sensor cap not shown. Battery compartment, Tilt Stand, and Tripod Mount
are located on the rear of the instrument. The protective rubber jacket must be removed
from meter to access battery compartment.
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.com
1.800.561.8187