Sper scientific 840018 Manuel utilisateur

SOUND LEVEL PEN

840018

INSTRUCTION

MANUAL

SPER

SCIENTIFIC

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CONTENTS

I. Introduction ................................... 2

II. Description .................................... 3

III. Operating Instructions................... 4

•Precautions and Maintenance .. 4

•Calibration.................................. 4-5

•Measurement ............................ 5-6

•Battery Replacement ................. 6

•Optional Accessories ................ 6

IV. Specifications ................................ 7

V. Warranty ....................................... 8

I. Introduction

Perfect for testing for OSHA requirements,

your new instrument meets ANSI S1.4

Type 2 and IEC61672-1 Class 2. Meas-

ures the 32~130 dB range in the "A" scale,

simulating the human ear response.

Features a built-in calibration adjustment,

fast response time, mini size, a resolution

of 0.1 dB, Max Hold, and a low battery

indicator. Designed to meet the

measurement requirements of safety engi-

neers, health, industrial safety offices and

sound quality control in various environ-

ments. Comes with instructions, wind-

screen, calibration tool, and two 1.5V

batteries. CE compliant.

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OPEN

CAL

SIZE AAA / IEC LR03

1.5V X 2

Power Off

Press 2 Sec

SOUND

840018

LEVEL PEN

Max Hold

1. Windscreen

2. LCD Display

3. Power On/Off & Max Hold button

4. Microphone

5. Measurement Slide Switch

6. Calibration (CAL) VR

7. Battery Cover

II. Description

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III. Operating Instructions

Precautions and Maintenance

•Do not store or operate the instrument at

high temperatures or humidity.

•Keep the microphone dry and avoid se-

vere shock or vibration.

•Wind blowing across the microphone can

cause measurement errors, these effects

are reduced by using the windscreen.

•Remove the batteries if the unit is not in

use for a long period of time.

•Wipe the case with a dry cloth, do not

use abrasives or solvents.

Calibration

Calibrate the meter before first use or

when the reading appears inaccurate.

If you require a certificate of calibration

traceable to NIST, the unit may be sent to

Sper Scientific for servicing (fee applies).

There are two methods of calibration:

1. Internal Electrical Calibration

•With the unit on, lightly press the

Battery Cover to slide it down and off.

•Move the Measurement Slide Switch

down. This activates the built-in

oscillator (94dB 1 kHz, sine wave) for

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electrical calibration of the unit.

•The LCD displays "CAL" for about 1

second. As needed, use the calibration

tool to adjust the Calibration (CAL) VR

until "94.0dB" is displayed.

•This ends the calibration. Make sure

that the Measurement Slide Switch is

returned to the "MEAS" (up) position

and the Battery Cover is reattached.

2. Acoustic calibration using a standard

sound calibrator such as Sper Scien-

tific's 840031.

•With the Measurement Slide Switch in

the "MEAS" (up) position, place the mi-

crophone in the calibrator.

•As needed, use the calibration tool to

adjust the Calibration (CAL) VR until

"94.0dB" is displayed.

Measurement

1. Press the Power / Max Hold button to

turn the meter on.

2. Point the Microphone at the noise

source.

3. The LCD displays the measured sound

level. Readings are updated twice

every second.

•"OVER" is displayed when the sound

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level is above 130dB.

•"UNDER" is displayed when the

sound level is below 32dB.

4. During the measurement procedure,

press the Power / Max Hold button to

freeze the measurement. "MAX" and

the measurement are displayed. When

the frozen sound level measurement is

exceeded, the new maximum

measurement will be displayed. Press

the Power / Max Hold button again to

exit this function.

5. To turn the unit off, press and hold the

Power /Max Hold button for 2 seconds.

Battery Replacement

Replace the battery when the low battery

icon is displayed. press the Battery Cover

to slide it down and off. Insert two 1.5V

batteries, paying attention to the polarity as

indicated in the compartment. Reattach

the cover.

Optional Accessories

840031 - Acoustical Calibrator

840091 - Wind Screen Replacement

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Range 32dB ~ 130dB

Resolution 0.1 dB

Accuracy ±1.5dB (under reference

conditions, 94dB@1kHz )

Frequency 31.5 Hz ~ 8 KHz in the "A"

weighting.

Time

Weighting FAST

Operating

Temperature 32~104°F (0~40°C)

Operating

Humidity 10 to 90%RH

Storage

Temperature 14~140°F (-10~60°C)

Storage

Humidity 10 to 75%RH

Display

Update 0.5 seconds

Microphone 1/2" electret

condenser microphone

Dimensions 8.1"L × 1.7"W × 1.0"H

206 × 42 × 25 mm

Weight 0.22 lbs, 100g

with batteries

Battery Life Approx. 20 hours

Alkaline

IV. SPECIFICATIONS

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Rev. 12/08/04

WARRANTY

Sper Scientific warrants this product

against defects in materials and

workmanship for a period of five (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 Scientific product will

be substituted if available. This

warranty does not cover damage

resulting from accident, misuse, or

abuse of the product. To obtain

warranty service, ship the unit postage

prepaid to:

SPER SCIENTIFIC LTD,

7720 E. Redfield Suite 7

Scottsdale, AZ 85260

WWW.SPERSCIENTIFIC.COM

[email protected]

Please Note: The defective unit must

be accompanied by a description of the

problem and your return address.

your warranty card within ten (10) days

of purchase.

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