Sper scientific 840018 Bedienungsanleitung

Sound Level Pen

840018

Instruction Manual

TABLE OF CONTENTS

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

2. DESCRIPTION . . . . . . . . . . . . . . . . . . . . 3

3. OPERATING INSTRUCTIONS . . . . . . . . . . . 4

• PRECAUTIONS AND MAINTENANCE . . . . . . .4

• CALIBRATION . . . . . . . . . . . . . . . . . . . 4

• MEASUREMENT . . . . . . . . . . . . . . . . . . 5

• BATTERY REPLACEMENT . . . . . . . . . . . . 6

• OPTIONAL ACCESSORIES . . . . . . . . . . . . .6

4. SPECIFICATIONS . . . . . . . . . . . . . . . . . . 7

5. WARRANTY . . . . . . . . . . . . . . . . . . . . . 8

INTRODUCTION

Perfect for testing for OSHA requirements, your new

instrument meets IEC 61672:2013 Class 2. Measures

the 32 to 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 engineers, health, industrial safety o󰀩ces and

sound quality control in various environments. Comes

with instructions, wind-screen, calibration tool, and two

1.5V batteries. CE compliant.

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/O󰀨 & Max Hold button

4. Microphone

5. Measurement Slide Switch

6. Calibration (CAL) VR

7. Battery Cover

OPERATING INSTRUCTIONS

Precautions and Maintenance

• Do not store or operate the instrument at high

temperatures or humidity.

• Keep the microphone dry and avoid severe shock or vibration.

• Wind blowing across the microphone can cause

measurement errors, these e󰀨ects 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 rst use or when the reading

appears inaccurate.

If you require a certicate of calibration traceable to NIST, the

unit may be sent to Sper Scientic 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 o󰀨.

• Move the Measurement Slide Switch down. This

activates the built-in oscillator (94 dB 1 kHz, sine wave) for

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 Scientic’s 850016.

• With the Measurement Slide Switch in the “MEAS” (up)

position, place the microphone 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 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 o󰀨, 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 o󰀨. Insert two

1.5V batteries, paying attention to the polarity as indicated in

the compartment. Reattach the cover.

Optional Accessories

850016 - Acoustical Calibrator

840091 - Wind Screen Replacement

SPECIFICATIONS

Range 32 dB to 130 dB

Resolution 0.1 dB

Accuracy ±1.5 dB (under reference

conditions, 94 dB @1 kHz )

Frequency 31.5 Hz to 8 KHz in the

"A" weighting.

Time Weighting FAST

Operating Temperature 32 to 104°F (0 to 40°C)

Operating

Humidity

10 to 90% RH

Storage Temperature 14 to 140°F (-10 to 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, 100 g with batteries

Battery Life Approx. 20 hours Alkaline

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.

within 10 days of purchase.

rev. 2/22/2018

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