Sper scientific 840010 Manuale utente

WARRANTY

Sper Scientic warrants this product

against defects in materials and

workmanship for a period of ve (5) years

from the date of purchase, and agrees to

repair or replace any defective unit without

charge. If your model has since been

discontinued, an equivalent Sper Scientic

product will be substituted if available. This

warranty does not cover probes, batteries,

battery leakage, or damage resulting from

accident, tampering, misuse, or abuse of

the product. Opening the meter to expose

its electronics will void the warranty.

To obtain warranty service, ship

the unit postage prepaid to:

SPER SCIENTIFIC LTD.

8281 E. Evans Rd., Suite 103

Scottsdale, AZ 85260

The defective unit must be accompanied

by a description of the problem and your

return address.

Pocket Light

Meter

840010

INTRODUCTION

This is the World’s Smallest Light

Meter! This tiny meter is less than

¾” thick, weighing only 4 oz. (120 g)

and is easily carried in a shirt pocket.

The controls, display and sensor are

all neatly contained and protected

within the folding case with directions

printed right inside the cover.

This meter features a 3999 full-scale

count with a bar graph display,

auto power o󰀨, hold functions and

indicates low battery and over range.

SPECIFICATIONS REFERENCE

SPECIFICATIONS

MEASUREMENT PROCEDURES

1. Open the cover

by pressing and

holding the Case

Lock button.

2. Turn the selector to the appropriate

measurement range. If the

measurement is over range,

“4000” displays and the “4” blinks.

3. Aim the probe’s sensor toward

the light source to be measured.

4. Optionally, the probe can be

snapped into a xed position

during the measurement, as

shown below.

Note: The reference plane is located

at the top of the sensor.

5. Activate or exit the Data Hold

function by pressing the Case Lock

button. “DH” appears in the display

when this function is engaged.

6. Turn the selector to OFF when

the measurement is complete.

7. Store the probe so the sensor

faces up. Take care not pinch the

probe’s wire in the unit’s cover.

AUTOMATIC SHUT OFF

The instrument has an automatic

shut o󰀨 function in order to prolong

battery life. After approximately 30

minutes without activity, the meter

will automatically shut o󰀨. When

this occurs, turn the range selector

to OFF for about 2 seconds before

selecting a measurement range.

CONSIDERATIONS

- Clean the sensor with a soft dry

cloth.

- Turn the selector to OFF after use.

- To protect the sensor, store the unit

with the cover closed.

- Do not expose the unit to excess

direct sunlight, shock, vibration,

humidity, or extreme temperatures.

- Fluctuations in the reading may

be due to shadows or changes in

the line voltage. Do not move the

probe’s cord during measurement.

Ambient temperature and drafts

also a󰀨ect the luminous ux output.

- Avoid Range Overload.

- Opening the case, except for

replacing the batteries, will void

the warranty.

BATTERY REPLACEMENT

Replace the batteries when

“BT” appears in the display.

Remove the battery compartment

cover using a screwdriver. Insert the

fresh batteries (match the polarity)

and replace the cover.

Remove the batteries when the

instrument will not be used for a

prolonged period of time.

CALIBRATION

The light sensitivity of the sensor

decreases with use. Under average

conditions, annual calibration is

recommended. For complete

details and current fees contact

Sper Scientic.

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