PCE Instruments PCE-MSM 4 Bedienungsanleitung

PCE-MSM 4 Schallpegelmessgerät / sound level meter

Bedienungsanleitung

User Manual

User manuals in various languages (français,

italiano, español, português, nederlands, türk, polski,

русский, 中文) can be downloaded here:

www.pce-instruments.com

Letzte Änderung / last change: 16 February 2017

v1.0

Deutsch

English

1 Safety notes

Please read this manual carefully and completely before you use the device for the first time.

The device may only be used by qualified personnel and repaired by PCE Instruments

personnel. Damage or injuries caused by non-observance of the manual are excluded from our

liability and not covered by our warranty.

The device must only be used as described in this instruction manual. If used

otherwise, this can cause dangerous situations for the user and damage to the meter.

The instrument may only be used if the environmental conditions (temperature,

relative humidity, …) are within the ranges stated in the technical specifications. Do

not expose the device to extreme temperatures, direct sunlight, extreme humidity or

moisture.

Do not expose the device to shocks or strong vibrations.

The case should only be opened by qualified PCE Instruments personnel.

Never use the instrument when your hands are wet.

You must not make any technical changes to the device.

The appliance should only be cleaned with a damp cloth. Use only pH-neutral

cleaner, no abrasives or solvents.

The device must only be used with accessories from PCE Instruments or equivalent.

Before each use, inspect the case for visible damage. If any damage is visible, do not

use the device.

Do not use the instrument in explosive atmospheres.

The measurement range as stated in the specifications must not be exceeded under

any circumstances.

Non-observance of the safety notes can cause damage to the device and injuries to

the user.

We do not assume liability for printing errors or any other mistakes in this manual.

We expressly point to our general guarantee terms which can be found in our general terms of

business.

If you have any questions please contact PCE Instruments. The contact details can be found at

the end of this manual.

English

2 Specifications

2.1 Technical specifications

Measuring ranges

Lo: 30 … 80 dB

Med: 50 … 100 dB

Hi: 80 … 130 dB

Auto: 30 … 130 dB

Accuracy

± 1.4 dB

Resolution

0.1 dB

Dynamic range

50 dB

Frequency range

31.5 Hz … 8 kHz

Frequency weighing

A/C

Sampling rate

FAST: 125 ms

SLOW: 1 s

Standard

IEC 61672-1 class 2

Microphone

½ “ electret condenser microphone

Display

4 digit LCD

Display update rate

2 times/second

Functions

MIN/MAX hold, hold, automatic power-off

Interfaces

Analogue output (3.5 mm phone jack), USB

Power supply

1 x 9 V battery

Mains adaptor 9 V DC (Jack: 3.5 mm outer Ø;

1.35 mm inner Ø)

Battery life

Approx. 30 hours

Operating conditions

0 … +40 °C, 10 … 90 % RH

Storing conditions

-10 … +60 °C, 10 … 75 % RH

Dimensions

278 x 76 x 50 mm

Weight

350 g

2.2 Delivery contents

1 x sound level meter PCE-MSM 4

1 x microphone wind screen

1 x screw driver

1 x USB cable

1 x Software

1 x 9 V battery

1 x instruction manual

English

3 System description

3.1 Device

1. Microphone wind screen

2. Display

3. “REC”-key

4. “SETUP”-key

5. “FAST/SLOW”-key

6. “MAX/MIN”-key

7. “LEVEL”-key

8. key

9. “A/C”-key

10. “HOLD”-key

11. “On/Off”-key

English

12. Connector for mains adaptor

13. USB interface

14. Analogue output

15. Calibration screw

English

3.2 Interfaces

Connector for mains adaptor (12)

Voltage: 9 V DC

Jack: outer Ø: 3.5 mm; inner Ø: 1.35 mm

USB interface (13)

Data rate: 9600 bps

Analogue output (14)

OUTPUT

GROUND

OUTPUT

AC: output voltage: 1 V RMS (corresponding to maximum value of the selected measuring

range)

Resistance: 100 Ω

DC: output voltage: 10 mV/dB

Resistance: 1 kΩ

Potentiometer (15)

The potentiometer is used for calibrating the sound level meter in combination with a sound

calibrator.

English

3.3 Display

Indication

Meaning

UNDER // OVER

Measuring range exceeded(OVER) or undercut (UNDER)

MAX // MIN

Maximum value (MAX) or minimal value (MIN) is frozen on

the display

FAST // SLOW

Fast or slow sampling rate selected

88 –188 and scale

Display of the selected measuring range

Automatic power-off function is active

Battery voltage is low

REC

Data transmission enabled

FULL

Internal memory is full

dBA

A weighing active

dBC

C weighing active

AUTO

Automatic measuring range selection

HOLD

Hold function is active

English

3.4 Function keys

Key

Function

REC (3)

Data transmission enabled/disabled

SETUP (4)

Activate/deactivate auto power-off function

Press and hold before turning on the device to get to the

date/time settings

FAST/SLOW (5)

Switch between fast and slow sampling rate

MAX/MIN (6)

Activate/deactivate max and min hold

LEVEL (7)

Switch between the different measuring ranges

(8)

Activate/deactivate display backlight

A/C (9)

Switch between A and C weighing of the sound level

HOLD (10)

Freeze/unfreeze the current reading on the display

On/Off (11)

Turn the sound level meter on/off

4 Getting started

Insert the battery

To insert the battery, follow these steps:

1. Open the battery compartment on the back of the device.

2. Connect a 9V battery to the connector and place it in the battery compartment.

3. Close the battery compartment

If the battery voltage is low, an indication appears on the display. Please replace the

battery when this happens.

Mains adaptor

If you want to use a mains adaptor, connect it to the power connector on the side of the device

(12). Make sure that the output voltage of the mains adaptor is 9 V DC.

The jack of the mains adaptor has to have the following dimensions:

Outer Ø: 3.5 mm

Inner Ø: 1.35 mm

English

5 Operation

5.1 Measurement

To take a measurement, turn on the device by pressing the “On/Off” key. Once the device gets

to the main screen, it measures the sound level continuously.

To select one of the available measuring ranges, press the “LEVEL” key. You can choose

between the following options: Lo (30 … 80 dB), Med (50 … 100 dB), Hi (80 …130 dB), Auto

(automatic measuring range selection).

Make your choice depending on the ambient sound level. If the ambient sound level falls below

the selected measuring range, the display shows “UNDER”. If the ambient sound level exceeds

the selected measuring range, the display shows “OVER”.

To change the frequency weighing of the sound level measurements, press the “A/C” key. You

can switch between A-weighing and C-weighing.

To change the sampling rate, press the “FAST/SLOW” key. You can switch between “FAST” (1

measurement / 125 ms) and “SLOW” (1 measurement / 1 s).

5.2 Further functions

5.2.1 MIN/MAX hold function

You can freeze the maximum and minimum values on the display. To do so, press the

“MAX/MIN” key. Now, a “MAX” indication appears on the display, which means that the

maximum value (since the activation of the function) is shown on the display.

Press the “MAX/MIN” key again to activate the MIN hold mode. Now, the display shows a “MIN”

indication and the minimum value (since activation of the function) is shown on the display.

Press the “MAX/MIN” key again to deactivate the function and to return to normal measuring

mode.

5.2.2 Hold function

You can freeze the current reading on the display at any time by pressing the “HOLD” key. To

unfreeze it, press the “HOLD” key again.

English

5.3 Settings

5.3.1 Date and time settings

To change the date and time settings, follow these steps:

1. While holding down the "SETUP" button, turn the unit on. Release the "SETUP"

button when the "TIME" icon appears on the display. Now you get to the date and

time settings. The display shows the date.

2. Press the "SETUP" button to enter the minute settings. The display now shows "nn"

and above that the set value. You can change the value by pressing the "LEVEL"

button. Then press the “SETUP” button to go to the hour settings.

3. The display now shows “h-A” or “h-P” with the set value above. To change the value,

press the “LEVEL” button. “h-A” stands for AM while “h-P” stands for PM. After that,

press the “SETUP” button to go to the date setting.

4. Now you are in the day settings. The display shows “DATE –d –” and the set day

afterwards. To change the value, press the “LEVEL” button. Then press the “SETUP”

button to go to the month settings.

5. In the month settings, the display shows “DATE – H –” and the set month. To change

the value, press the “LEVEL” button. Then press the “SETUP” button to go to the year

settings.

6. In the year settings, the display shows “DATE – Y –” and after that the last two digits

of the year. To change the value, press the “LEVEL” button.

Note: You can confirm and exit the settings at any time by pressing and holding the

“HOLD” button.

To restore the date and time default settings, follow these steps:

1. While holding down the "SETUP" button, turn the unit on. Release the "SETUP"

button when the "TIME" icon appears on the display. Now you get to the date and

time settings. The display shows the date.

2. Press the “SETUP” button until the display shows “rSt”.

3. Press and hold the “HOLD” button to restore default settings.

5.4 Software

5.4.1 Install the USB drivers

To install the USB drivers, follow these steps:

1. Put the supplied CD in the CD-ROM drive of your PC.

2. Access your CD-ROM drive and open the “USB Driver” folder. There are two different

folders in it: “Windows_2K_XP_S2K3_Vista” and “Windows_7”.

3. Open the folder which matches your Windows version and run the

“CP210xVCPInstaller.exe” file.

If you do not know which Windows you are using go to the desktop, right-click on “My

Computer” and select “Properties”. A new window appears where you can see your

Windows version.

4. Click on “Install” in the software installer to start the installation.

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