UEi DLM2 Manuel utilisateur

DLM2

INSTRUCTION MANUAL

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com

Introduction

The DLM2 is designed to measure light levels in foot-candles or lux

over 3 ranges.

Features include

• 0 - 5000 foot-candles

• Over 3 lux ranges

• Accurate to ±5% with a 0.4 second sampling rate

• Easy to read LCD display

C o n t r ols and Indicators

1. Digital Display

2. OFF/ON Switch

3. LUX/FC Switch

4. Range Switch

5. Battery Compartment/Cover

6. Light Sensor

Operating Instructions

Measuring Procedure

1. Slide the “OFF/ON” switch to the “ON” position.

2. Determine lux or foot candle (FC) on the “LUX/FC” switch.

3. Select the maximum range on the “RANGE” switch.

4. Hold the “Light-Sensor” by hand and face the measuring light

oppositely. The display will show light values directly.

Measuring Consideration

1. As the rang B (2000 - 19990 LUX, 200 - 1999 FC) is designed and

to measure the light values ≥2000 LUX (200 FC). So if the

measured light values are less than 2000 LUX (200 FC), select the

“RANGE” switch to the lower range to get high resolution and

precision. Otherwise the display may show some value readings

but may not be correct.

2. As the range C (20000 - 50000 LUX, 2000 - 5000 FC) is designed

to measure the light values ≥20000 LUX (2000 FC). If the

measured light values are less than 20000 LUX (2000 FC), select

the “RANGE” switch to the lower range to get high resolution and

precision. Otherwise the display may show some value readings

but may not be correct.

M a i n t e n a n c e

Periodic Service

WARNING!

Repair and service of this instrument is to be performed by qualified

personnel only. Improper repair or service could result in physical

degradation of the meter. Perform only those maintenance tasks that

you are qualified to do.

These guidelines will help you attain long and reliable service from

your meter:

•Calibrate your meter annually to ensure it meets original

performance specifications

• Keep your meter dry. If it gets wet, wipe dry immediately.

Liquids can degrade electronic circuits

•Whenever practical, keep the meter away from dust and

dirt that can cause premature wear

•Although your meter is built to withstand the rigors of daily

use, it can be damaged by severe impacts. Use reasonable

caution when using and storing the meter

DLM2-MAN P. 1

Electrical Specifications

Spectrum For Light Sensor

Cleaning

Periodically clean your meter’s case using a damp cloth. DO NOT use

abrasive, flammable liquids, cleaning solvents, or strong detergents as

they may damage the finish, impair safety, or affect the reliability of the

structural components.

Battery Replacement

Always use a fresh replacement battery of the specified size and type.

Immediately remove the old or weak battery from the meter and

dispose of it in accordance with your local disposal regulations. Batteries

can leak chemicals that corrode electronic circuits. If your meter is not

going to be used for a month or more, remove and store the battery in

a place that will not allow leakage to damage other materials.

To install a new battery, follow these procedures:

1. When the left corner of LCD display indicates “LO BAT”, it is time

to change the battery.

2. Remove battery cover and remove battery.

3. Replace with 9 V battery and reinstall battery cover.

WARNING!

Under no circumstances should you expose batteries to extreme heat or

fire as they may expose and cause injury.

S p e c i f i c a t i o n s

General Specifications

DLM2-MAN P. 2

Display 0.5” (13 mm) LCD, 3-1/2 digits,

Max indication 1999

Measurement Lux - 0 to 50,000 Lux, 3 ranges

Foot candle (FC) - 0 to 5,000 FC, 3 ranges

Sensor The exclusive photo diode and color

correction filter

Over input display Indication of “1”

Operating temperature 32˚ to 122˚F (0˚ to 50˚C)

Operating humidity Less than 80% RH

Power supply 006P DC 9V battery

Power current Approx. DC 2.7 mA

Weight 195 g/0.43 lb. (including battery)

Dimensions 5.2” x 2.8” x 1.0”

(131 mm x 70 mm x 25 mm)

Sensor: 3.2” x 2.2” x 0.3”

(82 mm x 55 mm x 7 mm)

Standard Instruction manual

Accessories Sensor probe

Measurement Range Resolution Accuracy

0 - 1,999 Lux 1 Lux ±(5% + 2 d)

Lux 2,000 - 19,999 Lux 10 Lux ±(5% + 2 d)

20,000 - 50,000 Lux 100 Lux ±(5% + 2 d)

0 - 199.9 FC 0.1 FC ±(5% + 2 d)

Foot candle 200 - 1,999 FC 1 FC ±(5% + 2 d)

(FC) 2,000 - 5,000 FC 10 FC ±(5% + 2 d)

DLM2-MAN P. 3

Adequate Light Levels For Your Working Or At Your Work Areas

10,000 5,000 3,000 2,000 1,500 1,000 750 500 300 200 150 100 75 50 30 20

FactoryElectronic parts Typesetting at print shop Visual work at Packing room Exit Indoor emergency stairs

assembly line • Inspection work production line Entrance warehouse

• Drafting Passage • Loading or unloading

work

Office • Typing Clerical work Conference room • Corridor Ent rance Indoor emergency

• Drafting Dinning room • stairs Ware- stairs

Reception room house

House Sewing • Reading Mak e- up Di nning Rec re a- Washing

• Study ta ble tiona l

ac tivitie s

St ore For-front of show • Show window El evator Di sp lay Re ception •C or ridor Ind oo rs

wi ndow • Packing table st and room • stairs

Ho spital Ey e Op erating room M e d i cal examination room Waitin g Si ck- Sta irs E m e r g e ncystairs

in spectio n E mergency Dinning room ro om r oom

Treatm en t Wa re -

ho us e

Sc hool • Drafti ng Classr oo m •Indoor gymnasium Emergencystairs

• Labora t o ry • Auditorium

• Librar y • Wash room

Re staura nt Show window • Cooking room • Entra nc e •Corridor

• Dinning table • Wash room • Stairs

Ba rber/ • Hair dying • Shaving

B e a u typarlor • Makeup • Hair washing

• Hair dressing • Dressing

LUXES (1x)

Locations

Limited Warranty

The DLM2 is warranted to be free from defects in materials and workmanship for a

period of one year from the date of purchase. If within the warra n ty period your instrument

should become inoperative from such defects, the unit will be repaired or replaced at UEi’s

option. This warra n ty covers normal use and does not cover damage which occurs in ship-

ment or

failure which results from alteration, tampering, accident, misuse, abuse, neglect or improper

maintenance. Batteries and consequential damage resulting from failed batteries are not

covered by warra n ty.

Any implied warranties, including but not limited to implied warranties of merchantability

and fitness for a particular purpose, are limited to the express warranty. UEi shall not be

liable for loss of use of the instrument or other incidental or consequential damages,

expenses, or economic loss, or for any claim or claims for such damage, expenses or

economic loss. A purchase receipt or other proof of original purchase date will be required

before warra n ty repairs will be rendered. Instruments out of warra n ty will be repaired (when

repai rable) for a service charge. Return the unit postage paid and insured to:

This warranty gives you specific legal rights. You may also have other rights which vary from

state to state.

DLM2

Digital Light Meter

PLEASE

RECYCLE

99 Washington Street

Melrose, MA 02176

Phone 781-665-1400

Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

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