Dwyer Instruments LUX-01 Manual de usuario

Bulletin TE-LUX-01

Model LUX-01 Digital Light Meter is able to measure the intensity of

fluorescent, metal halide, high-pressure sodium, and incandescent light

sources. This meter shows readings on a 3-1/2 digit LCD and can record

measurement up to 200,000 lux and up to 20,000 foot-candles. The

silicon photodiode sensor allows for use in high temperatures and has a

strong angular correction for a highly accurate reading. Model LUX-01

also includes a protective cap for the sensor, ensuring that the meter is

always zero calibrated. Applications include HVAC, medical facilities,

photography, and cinematography.

RODUCT OVERVIEW

1. LCD Screen 7. Photo Detector

2. Lux/FC button 8. Data Hold Button

3. Auto Range Button 9. Manual Range Button

4. Max/Min Button 10. Power Button

5. Zero Adjustment 11. Battery Compartment Cover

6. Light Sensor Cap

DWYER INSTRUMENTS, INC.

hone: 219/879-8000 www.dwyer-inst.com

.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057 e-mail: [email protected]

S ECIFICATIONS:

Range: Up to 200,000 lux; up to 20,000 foot-candles.

Accuracy: ±3% of reading (Calibrated to standard incandescent lamp

4681°F (2583°C)) or ±6% other visible light source.

Display: 3-1/2 digit LCD.

Resolution: 1.0 lux; 1.0 foot-candle.

Sensor: Silicon photodiode and filter.

Angle Deviation from Cosine Characteristics: 10° ±0.5%, 30° ±2%,

50° ±3%, 60° ±6%, 80° ±25%.

Temperature Limits:

perating: 14 to 122°F (-10 to 50°C);

Storage: 14 to 122°F (-10 to 50°C).

ower Requirements: 9 V carbon zinc battery, included, user

replaceable.

Battery Life: 200 hours.

Weight: 22.4 oz (635 g).

Agency Approvals: CE, RoHS.

Specifications - Installation and Operating Instructions

Model LUX-01 Digital Light Meter

2-1/8

[54.88]

ZERO

7-7/8

[198.72]

1-5/8

[40.08]

1-3/8

[36.12]

Light/Lux Meter

LUX-01

AUTO

HOLD

MAX

LUX/FC

HOLD

MANU

LUX/FC

MAX

AUTO

ZERO

Light/Lux Meter

LUX-01

Figure 1

DWYER INSTRUMENTS, INC.

hone: 219/879-8000 www.dwyer-inst.com

.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057 e-mail: [email protected]

O ERATION

1. Press the power button to turn the power on.

2. Remove the cap of the light sensor and place the light sensor at the

spot where the meter can test the source of light. To obtain the best

result, aim the light source at the top of the light sensor ball plane at

a 0 degree angle. See Figure 2 for an example.

After the reading becomes stable, the result will then be displayed on

the LCD.

3. After testing, place the cover of the light sensor back to its former

position and press the power button again to turn the power off.

Note: When the meter is not in use, keep the cap of the light sensor in

its place to avoid wearing out the photodiode sensor. If it is not in use for

an extended period of time, remove the batteries and do not keep in a

place of high temperature or humidity.

Changing Unit

To change the unit, press the Lux/Fc button to toggle between the units.

Data Hold

To keep the reading value on the LCD permanently after it has been

recorded, press the Data Hold button. The locked screen can be

released by pressing the Data Hold button again.

Maximum/Minimum

To view the maximum or minimum recorded values, press the Max/Min

button. The maximum value will be shown on the first press of the button

and the minimum value will be shown on the second press. n the third

press, it will go back to the current reading.

Range Function

This meter features auto and manual ranging options. To select the

decimal point position, press the Manual Range button until the decimal

point appears in the correct place. To let the meter select the decimal

point position, press the Auto Range button. The meter will base the

positioning on the value it is currently reading.

Zero Calibration

To zero calibrate the meter, place the light sensor cap over the sensor.

If any numbers appear on the LCD, press the Zero Adjustment button.

Note: If the light sensor cap is not attached when zero calibrating, the

meter will display “CAP” on the LCD.

BATTERY RE LACEMENT

When the battery symbol appears on the LCD, the battery needs to be

replaced. To change the battery, remove the cover to the battery

compartment and remove the battery currently in the instrument. Place

the new battery in and replace the cover.

RECOMMENDED LEVELS OF ILLUMINATION

Offices

Factories

Schools

MAINTENANCE/RE AIR

Upon final installation of the Model LUX-01, no routine maintenance is

required. The Model LUX-01 is not field serviceable and should be

returned if repair is needed. Field repair should not be attempted and

may void warranty.

WARRANTY/RETURN

Refer to “Terms and Conditions of Sale” in our catalog and on our

website. Contact customer service to receive a Return Goods

Authorization number before shipping the product back for repair. Be

sure to include a brief description of the problem plus any additional

application notes.

Figure 2

Illuminance (Lux)

3000 to 1500

1500 to 750

750 to 300

300 to 150

75 to 30

lace

Extremely precise visual work

Precise visual work

Regular visual work

Wrapping and packing

Indoor emergency stairways

Illuminance (Lux)

1500 to 750

750 to 300

300 to 100

75 to 30

lace

Designing/drawings rooms

Conference rooms, computer rooms

Work rooms, corridors, stairways

Indoor emergency stairways

Illuminance (Lux)

1500 to 300

750 to 200

300 to 75

75 to 30

10 to 2

lace

Drawing/drafting rooms, library

Classrooms, reading rooms, staff rooms,

gymnasiums

Lecture halls, assembly rooms, locker rooms,

corridors, stairways

Warehouses, emergency stairways

School passages

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