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SL400
operation manual
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operation manual [de]
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Trotec SL400 operation manual

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SL400
EN
OPERATING MANUAL
DIGITAL SOUND LEVEL METER
TRT-BA-SL400-TC-001-EN

Table of contents

You can download the current version of the operating manual and the EU declaration of conformity via the following link:

Notes regarding the operating manual

Symbols

Warning of electrical voltage
This symbol indicates dangers to the life and health of persons due to electrical voltage.
Warning
This signal word indicates a hazard with an average risk level which, if not avoided, can result in serious injury or death.
Caution
This signal word indicates a hazard with a low risk level which, if not avoided, can result in minor or moderate injury.
Notice
This signal word indicates important information (e.g. material damage), but does not indicate hazards.
Info
Information marked with this symbol helps you to carry out your tasks quickly and safely.
SL400
http://hub.trotec.com/?id=39644

Legal notice

This release replaces all previous versions. No part of this publication may be reproduced without written permission from
TrotecGmbH&Co.KG. The same applies for electronically
processing, duplicating or spreading the publication. Subject to technical changes. All rights reserved. Trademarks are used without guarantee that they may be used freely and primarily following the spelling of the manufacturer. Product names are registered.
Changes to construction in the interests of constant improvements to the product, as well as changes to the shape and colour are reserved.
The scope of delivery may vary from product images. This document was created with all due care.
TrotecGmbH&Co.KG accepts no liability whatsoever for
possible mistakes or omissions.
The only party responsible for determining valid measured results, drawing conclusions and deriving actions is the user.
TrotecGmbH&Co.KG accepts no claims of warranty for the
correctness of the determined measured values or measured results.
Further, TrotecGmbH&Co.KG accepts no liability whatsoever for possible mistakes or damage which have been caused by utilising the determined measured results.
© TrotecGmbH&Co.KG
Follow the manual
Information marked with this symbol indicates that the operating manual must be observed.
1 EN
Operating manual – digital sound level meter SL400

Warranty and liability

The device complies with the fundamental health and safety requirements of the applicable EU regulations and was tested at the factory for perfect functionality multiple times.
If malfunctions occur nonetheless, please contact your dealer or distributor.
When making a warranty claim, supply the device number (see the rear of the device).
When manufacturer's instructions or legal regulations have not been followed, or after unauthorised changes to the device are made, the manufacturer is not responsible for the resulting damages. Changes to the device or unauthorised replacement of individual parts can drastically impact the electrical safety of this product and will result in the loss of the warranty. Liability does not extend to damages to people or property caused by the device being used other than as described in the instructions in this operating manual. Subject to changes to technical design and model changes as part of constant development and product improvement without prior notice.
No liability is accepted for damages resulting from improper use. In such a case, any warranty claims will be voided also.

Safety

Read this manual carefully before starting or using the device. Always store the manual in the immediate vicinity of the device or its site of use!
• Do not use the device in potentially explosive rooms.
• Do not use the device in aggressive atmosphere.
• Do not immerse the device in water. Do not allow liquids to penetrate into the device.
• The device may only be used in dry surroundings and must not be used in the rain or at a relative humidity exceeding the operating conditions.
• Protect the device from permanent direct sunlight.
• Do not expose the device to strong vibrations.
• Do not remove any safety signs, stickers or labels from the device. Keep all safety signs, stickers and labels in legible condition.
• Do not open the device with a tool.
• Only use the device if sufficient safety precautions were taken at the surveyed location (e.g. when performing measurements along public roads, on building sites etc.). Otherwise do not use the device.
• Observe the storage and operating conditions (see chapter Technical data).

Intended use

Only use the device for sound level measurements within the measuring range specified in the technical data.
To use the device for its intended use, only use accessories and spare parts which have been approved by Trotec.

Improper use

Do not use the device in potentially explosive atmospheres, for measurements in liquids and at live parts. Trotec accepts no liability for damages resulting from improper use. In such a case, any warranty claims will be voided. Any unauthorised modifications, alterations or structural changes to the device are forbidden.

Personnel qualifications

People who use this device must:
• have read and understood the operating manual, especially the Safety chapter.

Personal protective equipment

Wear ear protection
Wear hearing protection when handling the device.
EN 2
Operating manual – digital sound level meter SL400

Residual risks

1
2
3
6
5
4
Warning
Ensure sufficient ear protection when there are sources of loud sound. There is a danger of hearing damage.
Warning
Do not leave the packaging lying around. Children may use it as a dangerous toy.
Warning
The device is not a toy and does not belong in the hands of children.
Warning
Dangers can occur at the device when it is used by untrained people in an unprofessional or improper way! Observe the personnel qualifications!
Notice
To prevent damages to the device, do not expose it to extreme temperatures, extreme humidity or moisture.
Notice
Do not use abrasive cleaners or solvents to clean the device.

Information about the device

Device description

This digital sound level meter was specifically designed to perform noise measurements and quality inspections in various areas and different locations. The measurements can be carried out e.g. at your workplace, at the office, in factories, schools, at home or on busy roads. This permits the introduction of preventative measures and helps to guard against noise­induced diseases.
• The device meets the requirements of the standard for digital sound level meters DINEN61672-1.
• display of maximum and minimum values
• indication when exceeding the measuring range
• indication when falling below the measuring range
• dBA and dBC display
• data transfer to PCsoftware via USB

Device depiction

No. Designation
3 EN
Operating manual – digital sound level meter SL400
1 Measuring probe with protective cap
2 Tripod thread
3 Battery compartment with cover
4 Power button
5 Control panel
6 Display
Control panel
MAX MIN FAST SLOW
REC dBA FULL dBC
HOLD
AUTO
OVERUNDER
DATE TIME
MAX/MIN
REC
SETUP LEVEL
HOLD
A/C
F/S
7
8
9
10
4
11
12
13
14
MAX MIN FAST SLOW
REC dBA FULL dBC
HOLD
AUTO
OVERUNDER
DATE TIME
15
16 17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
No. Designation
4 Power button
7 MAX/MIN button
8 A/C button
9 F/S button
10 LEVEL button
11 SETUP button
12 REC button
13 HOLD button
14 Button for background illumination
No. Designation
15 UNDER indication (i.e. fallen below measuring range)
16 MIN indication
17 FAST indication
18 OVER indication (i.e. measuring range exceeded)
19 SLOW indication
20 Indication of the scale's maximum value
21 Display of the measuring scale
22 TIME indication
23 Measured value display
24 AUTO indication
25 HOLD indication
26 dBA/ dBC indication
27 FULL indication (memory full)
28 REC indication
29 Battery status indication
30 Indication for automatic switch-off
31 DATE indication
32 Time/ date display
33 Indication of the scale's minimum value
34 MAX indication
Connections
Display
No. Designation
35 Connection for the power adapter (DC 9V)
36 MiniUSB port
37 3.5mm jack*
38 Setscrew for calibration
* e.g. to connect a frequency analyser or recorder
EN 4
Operating manual – digital sound level meter SL400

Technical data

Transport and storage

Parameter Value
Model SL400
Article number 3.510.005.020
Measuring range 30dB to 130dB
Accuracy ±1.4dB (class2 according to
DINEN61672)
Resolution 0.1 dB
Frequency range 31.5 Hz to 8kHz
Dynamic range 50 dB
Partial measuring ranges 30dB to 80dB,
50dB to 100dB, 80dB to 130dB, 30dB to 130dB
Display response time 500 ms
Power supply 9V battery006P or NEDA1604 or
IEC6F22
Alarm function OVER: Measuring range exceeded
UNDER: Fallen below measuring range
Time weighting FAST: 125 ms
SLOW: 1 s
Microphone 1/2-inch electret condenser
microphone
Operating conditions 0 °C to 40 °C
with 10 % to 90 % RH
Storage conditions -10 °C to +60 °C
with 10 % to 75 % RH
Weight 305 g
Dimensions (length x width x height) 255 x 63 x 45 mm
Automatic switch-off Switch-off after approx. 15min of
non-use
Notice
If you store or transport the device improperly, the device may be damaged. Note the information regarding transport and storage of the device.

Storage

• dry and protected from frost and heat
• protected from dust and direct sunlight
• with a cover to protect it from invasive dust if necessary
• The storage temperature is the same as the range given in the Technical data chapter.
• Remove batteries from the device when not in use for a longer period of time.
Scope of delivery
• 1x Digital sound level meter
• 1 x Wind shield for microphone
• 1 x Mini tripod
• 1 x CD with software
• 1 x USB cable
• 1 x Transport case
• 1 x Mini screwdriver
• 1x 9V battery
• 1 x Power adapter
• 1 x Quick guide
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Operating manual – digital sound level meter SL400

Operation

Inserting the battery
Insert the supplied battery before first use.
Notice
Make sure that the surface of the device is dry and the device is switched off.
1. Open the battery compartment at the rear of the device by loosening the screw at the cover.
2. Use the battery clip to connect the 9V battery with correct polarity.
3. Place the battery with the battery clip into the battery compartment.
4. Reattach the coverto the battery compartment.
5. Retighten the screw at the battery compartment.
Switching the device and performing measurements
Info
Note that moving from a cold area to a warm area can lead to condensation forming on the device's circuit board. This physical and unavoidable effect can falsify the measurement. In this case, the display shows either no measured values or they are incorrect. Wait a few minutes until the device has become adjusted to the changed conditions before carrying out a measurement.
Info
Please note that the measurement of a sound source always has to be carried out directly. There must be no objects or persons located in between the microphone and the sound source, unless their influence on the sound intensity is to be measured on purpose as well.
1. Press the Power button(4) for approx. 2s.
ð The display(6) is switched on and the device is ready
for operation.
ð The current measured value is displayed in the
measurement value display(23).
2. Point the device at the sound source to be measured.
ð Wait for a moment to achieve a stable measured value.
Setting the measuring range
The device has different measuring ranges which can be selected as needed or according to the expected sound level. If the expected sound level range is a known factor, one should always select the corresponding measuring range whenever possible, since this permits an optimum resolution of the scale(21) at all times.
• Lower measuring range: 30 to 80dB
• Medium measuring range: 50 to 100dB
• Upper measuring range: 80 to 130dB
• Auto: 30 to 130dB
Please proceed as follows to set the measuring range:
1. Repeatedly press the LEVEL button(10) until the desired measuring range is displayed on both ends of the scale(20 and 33).
ð The scale will be adjusted automatically. ð The UNDER(15) or OVER(18) indication will be
displayed, if applicable. If so, you should adjust the measuring range further.
Measured curve setting (dBA/ dBC)
You can choose whether your measured values are to be displayed according to dB(A) or dB(C).
Please proceed as follows to set the measured curve:
1. Repeatedly press the A/C button(8) until either dB(A) or dB(C) is displayed in pos.26.
ð The measured value will be adjusted automatically.
Setting the MAX/MIN function
By use of the MAX/MIN function you can retain either the highest or the lowest value of the current measurement.
Please proceed as follows to set the MAX/MINfunction:
1. Press the MAX/MIN button(7).
ð The MAX indication(34) appears on the display. ð The measured value display(23) will be frozen and
changes only if a new higher value is measured.
2. Press the MAX/MIN button(7) again.
ð The MIN indication(16) appears on the display. ð The measured value display(23) will be frozen and
changes only if a new lower value is measured.
3. Press the MAX/MIN button(7) again to quit using the MAX/MINfunction.
EN 6
Operating manual – digital sound level meter SL400
Setting the HOLD function
By use of the HOLDfunction you can retain the currently measured value.
Please proceed as follows to set the HOLDfunction:
1. Press the HOLD button(13).
ð The HOLD indication(25) appears on the display. ð The measured value display(23) will be frozen.
2. Press the HOLD button(13) again.
ð The currently measured value is indicated. ð The HOLD indication (25) disappears.
Setting the time weighting
You can choose between a FAST and SLOW time weighting.
• FAST: 125ms (real-time signal evaluation)
• SLOW: 1s (average signal evaluation)
Please proceed as follows to set the time weighting:
1. Press the F/S button(9) until the desired type of time weighting (FAST17 or SLOW19) is indicated on the display.
Switching the background illumination on or off
The device comes with an optionally selectable background illumination.
Please proceed as follows to switch the background illumination on or off:
1. Press the button for background illumination(14) to switch the background illumination on or off.
Setting the automatic switch-off
The device comes equipped with an automatic switch-off function and switches off automatically if no button was pressed for approx.15 min.
Please proceed as follows to activate or deactivate the automatic switch-off function:
1. Press the SETUP button(11).
ð The indication for automatic switch-off(30) appears on
the display.
ð The automatic switch-off function is activated.
2. Press the SETUP button(11) again to deactivate the automatic switch-off function.
3. Release the SETUP button(11).
ð The DATE indication(31) appears on the display. Also
indicated is the current date in the year-month format as well as the day in the measured value display.
4. Press the SETUP button(11) again.
ð The TIME indication(22) and the set minutes are
displayed.
5. Press the LEVEL button(10) to adjust the minutes.
6. Press the SETUP button(11) again.
ð The TIME indication(22) and the set hours are
displayed. h-P stands for P.M. and h-A for A.M.
7. Press the LEVEL button(10) to adjust the hours.
8. Press the SETUP button(11) again.
ð The DATE indication(31) and the set day are displayed.
9. Press the LEVEL button(10) to change the day.
10. Press the SETUP button(11) again.
ð The DATE indication(31) and the set month are
displayed.
11. Press the LEVEL button(10) to change the month.
12. Press the SETUP button(11) again.
ð The DATE indication(31) and the set year are displayed.
13. Press the LEVEL button(10) to change the year.
14. Press the HOLDbutton(13) to save the new time and date settings. If you do not want to save the settings made for time and date, press the SETUP button(11) again whilst in the display for setting the year.
ð The indication rSt appears on the display.
15. To reset the settings for time and date to the factory default, press the HOLD button(13).
16. In order to return to the menu for setting time and date, press the SETUP button(11) when rSt is displayed.
ð The next setting corresponds to the menu for adjusting
the current date as described in step3.
Setting the time and date
You can adjust the time and date for the device.
You can save the settings at any time and exit the menu by means of the HOLD button(13).
To do so, please proceed as follows:
ü The device is switched off.
1. Press and hold the SETUP button(11).
2. Switch the device on.
ð The TIME indication(22) briefly appears on the display.
7 EN
Operating manual – digital sound level meter SL400
Recording measurement series on the device (REC/ Logging)
1. Press the REC button(12) to activate the device's recording function.
ð The REC indication(28) appears on the display.
2. Press the REC button(12) again to stop recording measured values.
ð The measurement will be stored on the device memory
with time and date.
Adjusting the saving interval of the device
ü The device is switched off.
1. Press and hold the button for background illumination(14).
2. Switch the device on.
ð 0001 Int appears on the display.
3. Press LEVEL(10) to adjust the saving interval between 0001 and 0059seconds.
4. Press the HOLDbutton(13) to save the setting.
ð The new saving interval is saved until the device is
switched off.
Deleting data memory
ü The device is switched off.
1. Press and hold the REC button(12).
2. Switch the device on.
ð The indication CLR appears on the display. ð All data records on the device memory will be deleted.
Assembling the tripod
The device is equipped with a 1/4inch tripod thread. If required, you can mount the device onto a tripod.
Switching the device off
If the automatic switch-off function is enabled, the device switches off automatically after approx. 15min without keystroke.
1. Press the Power button(4) until the device is switched off.
ð Indicated on the display is a countdown from 3 to 1.
Setting the data transmission via USB
In order to transfer data for further analysis to a PC via USB, please proceed as follows:
1. Install the supplied software on your PC, seechapter Software.
2. Start the software.
3. Connect the device to the PC using the supplied USBcable.
4. Press the SETUP button(11) to activate both the real-time display of the device in the software interface and the data transfer mode.
ð The automatic switch-off function will be deactivated
for the duration of data transmission.
5. For the data transmission from the device to the PC please follow the instructions in the software help file.
6. Press the SETUP button(11) again to terminate the connection between device and PC.
EN 8
Operating manual – digital sound level meter SL400

Software

Maintenance and repair

The supplied free software is designed for useful basic functionalities. Trotec assumes no liability with regard to this free software and also provides no support on that score. Trotec accepts no liability concerning the use of this free software and is under no obligation to make adjustments or to further develop updates or upgrades.
Installation requirements
Ensure that the following minimum requirements for installing the PC software are fulfilled:
• Supported operating systems (32 or 64bit version):
– Windows 10 – Windows 8 – Windows 7 – Windows Vista
• Hardware requirements:
– processor speed: min. 90 MHz – 32 MB RAM, minimum – 7 MB hard disk space, minimum – a minimum screen resolution of 1024x768 with a
16bit colour depth
Installing the PC software
Administrator rights are required for the software installation.
1. Place the supplied software CD into the CD-ROM drive.
2. Open the CD-ROM contents in an Explorer window and double-click the setup.exe file.
3. Follow the instructions of the installation wizard.
Starting the PC software
1. Connect the measuring device to your PC via the mini USB cable provided in the scope of delivery.
2. Switch on the measuring device if necessary.
3. Start the software.
Information about using the PCsoftware is provided in the software help file.

Cleaning

Clean the device with a soft, damp and lint-free cloth. Ensure that no moisture enters the housing. Do not use any sprays, solvents, alcohol-based cleaning agents or abrasive cleaners, but only clean water to moisten the cloth.

Repair

Do not modify the device or install any spare parts. For repairs or device testing, contact the manufacturer.

Battery change

A battery change is required when the battery status indication(29) flashes or the device can no longer be switched on (see chapter Inserting the battery).

Calibration

The device is already factory-calibrated and optimally adjusted. A recalibration requires special tools. In the case of a recalibration please contact the Trotec service.

Disposal

The icon with the crossed-out waste bin on waste electrical or electronic equipment stipulates that this equipment must not be disposed of with the household waste at the end of its life. You will find collection points for free return of waste electrical and electronic equipment in your vicinity. The addresses can be obtained from your municipality or local administration. For further return options provided by us please refer to our website www.trotec24.com.
The separate collection of waste electrical and electronic equipment aims to enable the re-use, recycling and other forms of recovery of waste equipment as well as to prevent negative effects for the environment and human health caused by the disposal of hazardous substances potentially contained in the equipment.
You are responsible for deleting any personal data stored on the waste equipment to be disposed of.
9 EN
Operating manual – digital sound level meter SL400
Trotec GmbH & Co. KG
Grebbener Str. 7 D-52525 Heinsberg
+49 2452 962-400 +49 2452 962-200
info@trotec.com www.trotec.com
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