Sper scientific 840006 Manuale utente

Light Meter (Lux)

840006

Instruction Manual

2 PB

TABLE OF CONTENTS

1. INTRODUCTION........................................................................................ 2

2. PANEL DESCRIPTION.............................................................................. 2

3. MEASUREMENT PROCEDURES............................................................ 3

4. ZERO ADJUSTMENT & CALIBRATION................................................... 3

5. BATTERY REPLACEMENT ...................................................................... 4

6. SPECIFICATIONS...................................................................................... 4

7. LIGHT SPECTRUM CHART................................................................... 4

8. WARRANTY……………………………………………………. ................... 4

1. INTRODUCTION

Compact and portable, your new meter can be used to monitor light levels

or check the LUX level of a particular light source. The sensor’s exclusive

photo diode and color correction lter meets the C.I.E. photopic spectrum

with a cosine correction factor meets the standard. Sper Scientic light

meters are cosine corrected for a quick and accurate response. Large

easily legible LCD. The meter has an external zero adjustment, data hold,

low-battery indicator, and a moisture resistant front panel. Comes with soft

carrying case, detachable light sensor, photo-sensor cover, instructions

and a 9-Volt battery.

2. PANEL DESCRIPTION

laboratory calibration only

1. DISPLAY 5. X1 (2,000 RANGE) button 9. STAND

2. ON button 6. X10 (20,000 RANGE) button 10. BATTERY

3. OFF button 7. ZERO SETTING terminal 11. PHOTO SENSOR

4. HOLD button 8. SENSOR INPUT socket 12. SENSOR plug

3 PB

3. MEASUREMENT PROCEDURES

• Insert the SENSOR plug into the SENSOR INPUT socket.

• Turn the meter on using the ON button.

• Remove the lens cap from the PHOTO SENSOR.

• Press the 1X button for measurements of 0 to 1999 LUX, or select

the 10X button for measurements of 2,000 to 19,990 LUX. If you are

uncertain about which range to use, select the highest range.

In 10X mode, “ “ appears in the right bottom LCD.

• Range Overload is indicated when “1” appears on the left side of the

display. If this occurs, switch to the highest range or discontinue use.

• Point the PHOTO SENSOR toward the source and read the results

on the display. To convert LUX results to FC, multiply the meter

reading by the factor of .0929

• Push the HOLD button to freeze the reading in the display. The word

“HOLD” is displayed. Press the HOLD button again to exit this function.

• Press the OFF button to turn the unit o󰀨.

NOTES:

• Keep the lens cap on the PHOTO SENSOR at all times except when

actually taking a reading.

• Fluctuations in the reading are generally due to shadows or

uctuations in the line voltage. Ambient temperature, drafts and

ventilation also a󰀨ect the luminous ux output.

• Avoid range overload and do not store in areas of high temperature

and/or humidity. Remove the battery for long-term storage.

4. ZERO ADJUSTMENT & CALIBRATION

• With the sensor cover securely in place and the meter turned on, the

LCD display should indicate “0000”. A slight variation will not a󰀨ect

readings; however, if a precise reading is required you may use the

ZERO SETTING terminal to reset the unit.

• To make an adjustment, cover the PHOTO SENSOR and press

the 1X button.

• Use a small screwdriver to turn the ZERO SETTING terminal until

“0000” is displayed.

• To maintain accuracy, annual laboratory calibration is recommended.

WARNING: Only use the terminal marked "ZERO" for adjustment.

The unmarked terminals are for professional laboratory calibration only

and tampering with these terminals will result in inaccurate readings

and require professional calibration of the meter.

4 PB

8. 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 break the waterproof seal and void the

Revised 8/17/2017

5. BATTERY REPLACEMENT

Replace the battery when the low battery icon is displayed in the

left corner of LCD. In-spec measurements may be made for several hours

after the low battery indicator appears. Remove the battery compartment

screw and slide the cover away from the meter, remove the battery and

replace with a 9V battery (alkaline or heavy duty type). Replace the cover.

6. SPECIFICATIONS

7. LIGHT SPECTRUM CHART

10 0

12 0

SPER CEI

Display Maximum reading 19,990

Overload Indicator "1" is displayed on the le of the LCD

Range* 2,000 Range = 0 to 1,999 LUX

20,000 Range = 2,000 to 19,990 LUX

Resolution* 2,000 Range = 1 LUX

20,000 Range = 10 LUX

Accuracy* ±5% + 4 digits

Operating Environment 32 to 122°F (0 to 50°C), less than 80% RH

Weight 9.9 oz (280g)

Dimensions Main Unit: 7.9 x 2.7 x 1.2" (200 x 68 x 30mm)

Photo Sensor: 3.2 x 2.2 x 0.3” (82 x 55 x 7mm)

Photo Sensor Lead: Extends to appx. 3½ 

Optional Accessories 840090 - Water Resistant Instrument Pouch

840093 Field Tripod

*Electronic Specications (23 ± 5°C): Tested under the environment RF Field Strength

less than 3 V/M, and frequency less than the 30 MHz only.

warranty. To obtain warranty service, ship the unit postage prepaid to:

SPER SCIENTIFIC LTD., 8281 E. Evans Rd., Suite #103,

Scottsdale, AZ 85260, (480) 948-4448

The defective unit must be accompanied by a description of the problem and your

return address. Register your product online at

www.sperwarranty.com within 10 days of purchase.

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