NL Acoustics LF10 Bedienungsanleitung

USER MANUAL

LF10

NL ACOUSTICS LTD

Hiomotie 3

00380 Helsinki

Finland

+358 (0)10 583 3240

[email protected]

www.nlacoustics.com

FI-26650896

Document version of: June 1, 2022

This User Manual supports the following LF10 version:

S/N: AC13xxxx SW: 22H1

TABLE OF CONTENTS

1. Notice to user 4

1.1 Legal 4

1.2 Compliance 4

1.3 Markings 5

1.4 Customer help 5

1.5 Disposal of electronic waste 5

2. Introduction 6

2.1 User safety 6

2.2 Speciﬁcations 7

2.3 Package contents 8

2.4 Camera parts 9

2.5 Battery parts 10

2.5.1 RRC2040 battery parts 10

2.5.2 RRC2040 external battery charger 10

2.5.3 Tracer external battery parts 11

2.5.4 Tracer external battery charger 11

2.6 Spare parts and accessories 11

3. Getting started 12

3.1 Charging 12

3.1.1 Charging the RRC2040 battery 12

3.1.2 Charging the Tracer external battery 13

3.2 Startup 14

3.2.1 Startup with RRC2040 battery 14

3.2.2 Startup with Tracer external battery 15

3.3 Device setup wizard 16

3.3.1 Device registration 16

3.4 Shutdown 16

3.4.1 Shutdown with RRC2040 battery 16

3.4.2 Shutdown with Tracer external battery 16

4. User interface 17

4.1 Heatmap 17

4.2 Taking a snapshot 18

4.3 Recording a video 18

4.4 Snapshot browser 18

4.4.1. Snapshot upload options 18

4.4.2 Tagging snapshots 18

4.5 Zoom 19

4.6 Quick settings 19

4.6.1 Screen brightness 19

4.6.2 Single-source / multi-source mode 19

4.7 Settings 19

4.7.1 Network settings 19

4.7.2 Time settings 20

4.7.3 Advanced settings 20

Language 20

Distance unit of measurement 20

Reset settings 20

Available ﬁlters 20

Remove all data 20

Calibration mode 20

4.8 Real-time analysis 20

4.9 Cloud upload 21

4.10 USB export 21

4.11 Direct data transfer 21

4.12 Remote update 22

4.13 USB update 22

5. Air leak detection features 22

5.1 AutoFilter 22

5.2 AutoDistance 23

5.3 Speciﬁc settings 23

Leak unit of measurement 23

Currency 23

Energy cost 23

Cost calculation 23

Env. temp. 23

Rel. humidity 23

Leak corr. 23

Speciﬁc power 23

Utilization 23

Non-air leak detection 23

6. Usage techniques 24

6.1 General usage 24

6.2 Locating sound sources 24

6.3 Reﬂections 25

6.4 Capturing distance 25

7. NL Cloud 26

8. NL Camera Viewer and

NL Camera Viewer Pro oﬄine soware 26

9. Maintenance 27

9.1 Storage 27

9.2 Cleaning 27

9.3 Visual and/or permanent damage 27

9.4 Recycling 27

1. NOTICE TO USER

1.1 Legal

Contact your distributor for the warranty terms and

conditions.

worldwide. Names and marks appearing on the products

noted in this User Manual are either registered trademarks

or trademarks of NL Acoustics and/or its subsidiaries.

All other trademarks, trade names, or company names

referenced herein are used for identiﬁcation purposes

only and are the property of their respective owners.

As NL Acoustics Ltd is committed to a policy of continuous

development, we reserve the right to make changes and

improvements to any of the products or its documentation

without prior notice.

EXCEPT AS EXPRESSLY PROVIDED IN THIS SECTION

OF THE MANUAL, NL ACOUSTICS LTD PROVIDES

NO WARRANTY, EXPRESS, IMPLIED, STATUTORY OR

OTHERWISE AND SPECIFICALLY DISCLAIMS ANY

WARRANTY OF MERCHANTABILITY OR FITNESS FOR A

PARTICULAR PURPOSE WITH RESPECT TO THE PRODUCT

AND DOCUMENTATION.

1.2 Compliance

We caution the user that changes or modiﬁcations not expressly

approved by the party responsible for compliance could void the

user’s authority to operate the equipment.

Note: This equipment has been tested and found to comply with

the limits for a Class A digital device of CISPR 32. It may cause

interference with radio frequency receivers in residential areas, and

it is up to the users themselves to correct the interference. The EMC

conformity of the equipment is indicated by the CE marking which

the equipment bears.

This device complies with part 15 of the FCC Rules. Operation is

subject to the following two conditions:

1: This device may not cause harmful interference, and

2: This device must accept any interference received, including

interference that may cause undesired operation.

Note: This equipment has been tested and found to comply with

the limits for a Class A digital device, pursuant to part 15 of the FCC

Rules. These limits are designed to provide reasonable protection

against harmful interference when the equipment is operated in

a commercial environment. This equipment generates, uses, and

can radiate radio frequency energy and, if not installed and used in

accordance with the instructions, may cause harmful interference to

radio communications. Operation of this equipment in a residential

area is likely to cause harmful interference, in which case the user

will be required to correct the interference at its own expense.

Radio operates in standard 802.11 b/g/n in frequency range 2400-

2480 MHz and 5150-5260 MHz with max. output power 15 dBm.

EU Declaration of Conformity – NL Acoustics LTD declares that the

LF10 complies with the essential requirements and other relevant

provisions of the Radio Equipment Directive (2014/53/EU), Low

Voltage Directive (2014/35/EU), Electromagnetic Compatibility

Directive (2014/30/EU), Restriction of Hazardous Substances

Directive (RoHS, 2011/65/EU) and Regulation concerning the

Registration, Evaluation, Authorisation and Restriction of Chemicals

(REACH, 1907/2006/EU). A copy of the Declaration of Conformity

is available on request.

NOTICE FOR CANADA

This Class A digital apparatus complies with Canadian ICES-003.

Cet appareil numérique de la classe A respecte est conforme à la

norme NMB-003 du Canada.

1.3 Markings

The physical device ID label, CE marking, and WEEE

marking are situated on the top le side of the LF10

camera (Image 1).

The ID label contains the following information:

the product name, Canadian ISED certiﬁcation label,

serial number, Chinese CMIIT ID, country of origin,

company name, and approval markings.

The electronic ID label or e-label containing all the

regulatory information is the primary ID plate of the LF10.

The e-label is available from the LF10 user interface.

Toopen the e-label, press the Settings icon and choose

Device info.

ISED: The certiﬁcation label of Innovation, Science and

Economic Development Canada (ISED) is a word mark

consisting of the Company Number (CN) and Unique

Product Number (UPN). Serial number: The ﬁrst four

characters of the serial number are the model number

of the equipment, while the last four characters are the

running identiﬁcation number:

Serial number

Model number AC13xxxx Device ID

1.4 Customer help

Do not hesitate to contact our Customer Support Center

if you experience problems or have any questions about

your product. Please include the serial number of the

device with your request.

For customer help, go to support.nlacoustics.com.

1.5 Disposal of electronic waste

For users within the European Community

Electrical and electronic equipment (EEE) contains

materials, components, and substances that may be

hazardous and present a risk to human health and the

environment when waste electrical and electronic

equipment (WEEE) is not handled

correctly.

Equipment marked with the

crossed-out wheeled bin (see right) is

electrical and electronic equipment.

The crossed-out wheeled bin symbol

indicates that waste electrical and

electronic equipment should not be

discarded together with unseparated

household waste, rather it must be

collected separately.

For this purpose, all local authorities have established

collection schemes under which residents can dispose

of waste electrical and electronic equipment at a

recycling center or other collection points, or WEEE can

be collected directly from households. More detailed

information is available from the technical administration

of the relevant local authority.

Location of ID label

CE and WEEE markings

Image 1: Label locations on the LF10 camera.

2. INTRODUCTION

Thank you for choosing the LF10 camera! The LF10 is a

standalone system for acoustic image measurement and

signal analysis. The 124 microphones of the LF10 are used

to form a precise acoustic image of a speciﬁc location.

This acoustic image is superimposed in real-time over

adigital camera image. The location of the sound source

is shown on the camera screen. Sound sources of interest

are separated from background noise. The details of each

acoustic image can be saved onto the NL Cloud for further

viewing and AI-backed analysis.

The LF10 camera is much more sensitive and accurate

than the human ear. The camera can locate sound sources

that are inaudible to the human ear as well as sound

sources that humans cannot reliably locate. The LF10 has

a frequency range that extends to ultrasonic frequencies,

which is a huge advantage since many relevant

problems and phenomena can be precisely located

using ultrasound. One of the core beneﬁts of using the

LF10 camera comes from its ability to hear and analyze

ultrasonic frequencies. Most maintenance and operational

problems can be identiﬁed and accurately located at

these frequencies.

2.1 User safety

Only genuine parts from NL Acoustics should be used

with the LF10 camera. Under no circumstances should

users make use of third-party parts.

Do not try to repair or open the enclosure of the LF10

camera or the batteries. Do not use any damaged device,

battery, or cables.

Protect the device and accessories from dirt, dust,

impacts, and liquids. Also protect the camera lens,

themicrophone array, and the USB port from any kind

offoreign objects, dust or liquids.

Charge the battery only when it is disconnected from the

LF10 camera.

The LF10 camera is not intended to be used while the

battery is charging. Charge the battery only when it is

disconnected.

Charge the battery at ambient temperatures between 0°C

and +40°C (32°F and 104°F).

Do not leave the battery unattended during charging.

Do not expose the battery to ﬂame or excessive heat.

Hold the LF10 ﬁrmly by the handle and fasten the safety

lanyard to your wrist.

Do not touch the heat sinks when the device is on,

as the heat sinks become hot when the camera is on.

Long-term contact may cause burns. For this reason, it is

recommended that any USB ﬂash drives be connected

directly aer starting the device.

Consult with your safety oﬃcer in your facility or working

environment about using the LF10 and, if powering the

device by external battery, about using the carrier bag

with shoulder strap. In you use the shoulder strap with

your LF10, particular care should be taken to prevent

getting entangled in your working environment.

Use only the USB ﬂash drives supplied with the LF10

camera. Using third-party mass storage drives may lead

todata loss or corruption.

2.2 Speciﬁcations

DEVICE

Manufacturer: NL Acoustics Ltd.

Name: LF10

MECHANICAL AND ENVIRONMENTAL

Size: 315 x 170 x 161 mm (12.4 x 6.7 x 6.3 in)

Weight: 0.980 kg (2.2 lb).

Total weight with RRC2040 battery: 1.2 kg (2.7 lb).

Protection class: IP51

Operation and storage temperature ranges: -10 °C to

+50 °C (14°F to 122°F) / -20°C to +70°C (4°F to 158°F)

Operation and storage humidity range: 0 to 90% RH

Charging ambient temperature range: 0°C to +40°C

(32°F to 104°F)

POWER SUPPLY

Max input rating: 15 VDC, 2.5 A

Internal system backup battery: Li-Ion, 6 Wh

BATTERY OPTIONS

RRC2040 battery: Li-Ion, 10.80 VDC, 3.35 Ah, 36.20

Wh, 0.170 kg (0.37 lb), 85 x 59 x 22 mm (3.34 × 2.31

× 0.86 in), IP40, usage time up to 2.5 h (depending on

conditions), charging time 2 to 3 h.

RRC2040 battery charger: input 19 to 26 VDC, 2.8 A

max, output: 17.4 VDC/4A max, 120 x 64 x 43 mm (4.72

× 2.51 × 1.69 in), 0.110 kg (0.24 lb), operating ambient

temperature range: 0°C to +40°C (32°F to 104°F).

RRC2040 charger power supply: input 100 to 240 VAC

/ 50-60 Hz, output 19 VDC ± 5% / 3.4 A, maximum power

65 W, 95 x 50 x 25.4 mm (3.74 × 1.96 × 1 in), 0.270 kg

(0.59 lb), operating ambient temperature range: 0°C to

+40°C (32°F to 104°F).

Tracer external battery: LiFePO4, 12 VDC, 7 Ah, 84 Wh,

985 g (2.2 lb), 90 x 145 x 65 mm (3.5 × 5.7 × 2.6 in), IP64

protection rating, usage time up to 6 h (depending on

ambient conditions), charging time 4 to 6 h.

Tracer battery cord length: 0.9 m (3.0 ), extended

2 m (6.6 ).

Tracer battery charger: input 100 to 240 VAC ~50/60

Hz, 1.3 to 1.5 A; max. output 13.8 to 14.6VDC, 4.0 A

depending on the charger provided; see the charger

documentation or ID plate.

USER INTERFACE AND DISPLAY

Display: size: 5 in, 800x480; color: 24-bit RGB;

Brightness: 1000 cd/m2 (adjustable)

Input device: resistive touchscreen

Power ON indicator: red LED

Image resolution: 800x480

Video frame rate: 25 fps (max)

Acoustic image frame rate: 30 fps

Directional resolution: 0.5°, max: 0.25°

Field of view (FOV): 62.2° x 48.8°

Zoom: 2x digital zoom

ACOUSTIC SPECIFICATIONS

Acoustic measurement: 124 low-noise MEMS

microphones, real-time sound visualization

Dynamic range, low limit: below -15 dB

Dynamic range, high limit: more than 120 dB

Bandwidth: 2 kHz to 65 kHz (automatic ﬁltering)

Distance: from 0.3 m (1.0 ) up to and above 130 m (430 )

Leak rate: typical industrial environments:

>0.032 l/min @ 3 bar from 3 m (9.8 )

>0.05 l/min @ 3 bar from 10 m (32.8 )

minimum detection: 0.004 l/min @ 1.2 bar from < 1 m (3.0 )

COMMUNICATION AND STORAGE

Wireless data transfer: 2.4 GHz and 5 GHz IEEE

802.11b/g/n/ac secured wireless LAN

Data transfer: USB / direct WiFi transfer / WiFi

Data storage: USB / cloud

Storage, internal: 32 GB SD card, non-removable.

Storage, external: 8 GB USB mass storage device,

included in scope of supply

STANDARDS AND COMPLIANCE

RED: ETSI EN 300 328, ETSI EN 301 893

EMC: ETSI EN 301 489-1/17, EN55032: Class A,

FCC CFR 47, Part 15, Subpart B: Class A,

ICES 003: Class A

RoHS: EN 50581:2012

REACH

Safety: IEC 62368-1:2014, IEC 61010-1, EN 62311:2008

(RF exposure)

2.3 Package contents

If you choose the LF10 with the RRC2040 external

battery, the product package includes:

1. LF10 camera

2. Two batteries

3. Battery housing

4. Charger

5. Charger power supply unit and a country-speciﬁc

power cable

6. Mass storage device

7. Lanyard

8. Hard case

If you choose the LF10 with the Tracer external battery,

theproduct package includes:

1. LF10 camera

2. Battery

3. Battery cable

4. Charger with detachable power supply cable

5. Mass storage device

6. Carrier bag

7. Shoulder strap

The front side of the LF10 camera consists of a video

image sensor (Item 1 in Image 2) and the microphone

array (Item 2 in Image 2). The camera screen displays

amonochromatic (black and white) image on which the

acoustic colored-coded heatmap is overlayed.

The LF10 camera has a resistive touchscreen (Item 3

in Image 2). Users can operate the screen even when

wearing gloves. Do not apply any sharp or hard objects

touse the screen, as they may damage the surface.

Exerting excessive force will degrade the durability

ofthetouch screen.

The status of the internal power supply unit is indicated

by the power LED (Item 6 in Image 2), which turns red

when the power is ON. While the power is ON, the LF10

dissipates heat through the three heatsinks (Items 8, 9,

and 10 in Image 2) that are located on both sides and on

top of the camera. While operating the LF10, the heat

sinks must be not be covered. Do not enclose the device

while the power is turned ON.

The camera has a USB port located under the cover on top

of the device (Item 7 in Image 2).

Using the wrist lanyard will protect the LF10 from getting

damaged if dropped (Item 11 in Image 2). However, do

not carry the LF10 camera by the wrist lanyard only.

NOTE: Protect the camera lens and microphone array

against coming into contact with any foreign objects,

dust, or liquids.

Image 2: LF10 camera parts

2.4 Camera parts

- NOTE: Refrain from touching the heat sinks (Items 8, 9, and 10 in Image 2 above), as they become

hot during use. Long-term contact may cause burns. -

1: Video camera

2: Microphone array

3: LCD screen

4: Battery cover

5: Battery housing

or battery cable

(with Tracer external battery),

Camera-end connector

6: Power LED

7: Mass storage port

8: Top heatsink

9: Right-side heat sink

10: Le-side heat sink

11: Lanyard fastening point

12: ON/OFF button

2.5.1 RRC2040 battery parts

2.5 Battery parts

The LF10 primary battery conﬁguration is the RRC2040, which is a small portable battery in an integrating housing.

TheRRC2040 battery option is presented in Section 2.5.1, while the second battery option called the Tracer battery –

anexternal battery conﬁguration – is described in Section 2.5.3.

2.5.2 RRC2040 external battery charger

The RRC2040 charger has two parts: the charger unit and the power supply unit. The charger unit has connectors for the

battery in the charging bay and a DC barrel input for power supply. The power supply has universal power supply input

for which the ﬁtting power cable can be chosen, depending on the given region.

Image 3: RRC2040 battery housing Image 4: RRC2040 battery

1: Power button

2: Battery cover

3: Fixing screw

4: Battery housing

5: Lanyard attachment point

1: Battery connectors

2: Charge gauge button

3: Battery charge indicator

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