ETI ETI-8051 Bedienungsanleitung

LIGHT INTENSITY METER

Users Manual

■. Introduction

Thank you for purchasing the light intensity meter from

us. Please take a few minutes to browse through this

user manual before you begin to operate the meter to

ensure that you are fully familiarized with how best to

operate the meter as accurately and safely as possible.

This meter is an illuminance measuring instrument. It is

normally used to measure illuminances, e.g.at

workplaces.

1.1 Precautions safety measures

To get the best service from this meter, please read

this user's manual carefully and observe the detailed

safety precautions strictly.

1.1.1 During use

1. If the OL symbol will show on the LCD, it means the

readings is outside the measuring range. Please keep

to the permitted measuring range.

2. Never store the product together with solvents, acides

or other aggressive substances.

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3. When the battery voltage is under proper operation

requirement, the symbol will show on the LCD and

the battery need to be replaced with new.

1.1.2 Maintaining the product

Do not measure at a high temperature, high

humidity places.

Keep the light sensor clean.

To guarantee correct readings: Hold the

instrument horizontally so that the light sensor is

directed upwards.

When not using the instrument for a long time,

please remove the battery and avoid storing in

high temperature and high humidity.

■. Features

1. Display: 6 digits LCD Display

2. Parameters：

Lux（lm/m2）

-2-

foot candle (lm/ft2)

3. Resolution: 1 Lux（0…90000 Lux）；

0.1 ftc（0…8300.0 ftc）；

4. Range: 0…90000 Lux

0…8300.0 ftc

5. Accuracy: ±(3% +30 digits) to reference

6. Sample rate: 1 time /sec

7. auto power off: about 20 minutes

8. low battery indicator

9. Operating environment:

0℃~ 50 ℃(32℉~122℉)，0 ~ 80%RH

10. Storage environment:

-20℃~ 60℃(-4℉~140℉)，0 ~ 80%RH

11. Dimension and Weight:

121(L)x60(W)x30(H)mm, about 180g

12. Accessories:

DC1.5V (AAA) x 3pcs

String x 1pcs

Plastic box x 1pcs

Users manual x 1pcs

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■. Names of parts

Instrument Familiarization

Unit Func.

ON/OFF

Light intensity meter

1. Sensor cover

2. Light sensor

3. LCD display

4. Function key

LCD Display

-4-

The meaning of the symbols represented by the

following table

Number

of Order Symbol Functions

1 Indicating it is now in

the data-holding mode

Indicating the display

value being the

maximum value(MAX)

Indicating the display

value being the

minimum value(MIN)

4 Measure values

5 parameter unit

6 parameter unit

7 Indication to the

calibration mode

-5-

Indication low power of

batteries.

Batteries should be

replaced.

■. Operation instruction

1. Please install new batteries on the meter .

2. Put the meter on the environment to be measured

and hold it horizontally so that the light sensor is

directed upwards.

3. Press the ON/OFF key to turn the power on.

4. After power on, press the Unit key to select the

needed units.

5. When the reading has been stable, read the

illumination value.

* If you still need more operations, please see the

description of keys instruction.

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■. Keys instruction

1. ON/OFF key

Press the key to turn the power ON and press the key

once more to turn the power OFF.

2. Func. key

Press the key can select the state of MAX、MIN、

HOLD.

The cycle of views shows as following figure:

Mode key Mode key

Measure mode Hold mode Max mode

Min mode

Mode key Mode key

Hold mode: Reading are held.

Max mode: Maximum values since the instrument

was last switched on or last reset.

Min mode: Minimum values since the instrument

was last switched on or last reset.

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3. Unit key

1) Unit set

Press the key can change the parameter unit: lux, ftc.

2) Back light contrl

If press the key >2sec. the back light will be turned on,

Press the key once >2sec. the light will be turned off. If

the back light is not closed within 60 seconds, it will be

turned off automatically.

3) Auto power off set

When the meter is powered on, it is under auto

power off mode. The meter will power itself off after 20

minutes if no key operation.

Cancelled auto power off function: press Unit key

when power on until the LCD display AP OFF, then

press the ON/OFF key to confirm the setting. And then

the meter will be power off.

-8-

■. Reference table of illumination standard

Place Illumination

- Office

Conference Room,

Living room 200 ~ 750

Administration 700 ~ 1,500

Typing 1000 ~ 2,000

- Factory

Packaging, Access 150 ~ 300

Assembly line 300 ~ 750

Check 750 ~ 1,500

Electronic components

assembly line 1,500 ~ 3,000

- Hotel

Public places, Lavatory 100 ~ 200

Reception room 200 ~1,000

- Store

Staircase, corridor 150 ~ 200

Presentation window,

Packaging station 750 ~ 1,500

Shop window 1,500 ~ 3,000

- Hospital

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