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NOTE:  This light meter is calibrated using 

a tungsten light source.  If measuring 

another type of light source, the reading 

displayed on the meter will have to be cor-

rected using the following factors: 

Mercury - (reading x 1.05)

Fluorescent - (reading x 0.91)

Daylight - (reading x 0.95) 

BATTERY REPLACEMENT

“LO BAT” appearing on the display, 

indicates the battery is low and needs to 

be replaced. To replace the battery, slide 

the battery cover located on the back of 

the unit away from the unit.  Remove the 

old battery and replace it with a new 

9-Volt alkaline battery.  Properly connect 

the battery. Replace the battery cover. 

Incorrectly installed batteries may dam-

age electronics. 

ALL OPERATIONAL DIFFICULTIES

If this unit does not function properly for 

any reason, replace the batteries with 

new high-quality batteries (see “Battery 

Replacement” section). Low battery power 

can occasionally cause any number of 

“apparent” operational difficulties.  Replac

-

ing the batteries with new fresh batteries 

will solve most difficulties.

www.

GlobalTestSupply

.com

Find Quality Products Online at:

[email protected]

Summary of Contents for 3251

Page 1: ...acy Lux 5 reading 10 5 reading 100 5 reading 1000 Foot Candles 5 reading 1 5 reading 10 5 reading 100 OPERATION 1 Choose LUX or Foot Candles and Slow or Fast Response by sliding the LUX FC switch and RESPONSE TIME switch to the desired range and response time Fast black letters Lux range Fast response Slow black letters Lux range Slow response Fast blue letters www GlobalTestSupply com Find Qualit...

Page 2: ...ch to the 2000 19990 Lux 200 1999 Fc position If the light source is over 20 000 Lux or 2000 Fc slide the switch to the 20 000 50 000 Lux 2000 5000 Fc position 3 Place the light sensor directly under the light source to be measured Hold for at least 0 4 seconds The meter will measure the light and display the value 4 To hold a measurement on the display slide the DATA HOLD switch to the right whil...

Page 3: ...back of the unit away from the unit Remove the old battery and replace it with a new 9 Volt alkaline battery Properly connect the battery Replace the battery cover Incorrectly installed batteries may dam age electronics ALL OPERATIONAL DIFFICULTIES If this unit does not function properly for any reason replace the batteries with new high quality batteries see Battery Replacement section Low batter...

Page 4: ...NS Traceable is a registered trademark of Control Company CONTROL COMPANY Control Company is ISO 9001 2008 Quality Certified by DNV and ISO IEC 17025 2005 accredited as a Calibration Laboratory by A2LA www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

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