SKF TKST 21 Manuel utilisateur

Instructions for use

Bedienungsanleitung

Instrucciones de uso

Mode d’emploi

Manuale d’istruzioni

Instruções de uso

Инструкция по эксплуатации

使用说明书

SKF TKST 21

1EN

EN English 2

DE Deutsch 15

ES Español 28

FR Français 41

IT Italiano 54

PT Português 67

RU Русский 80

ZH 中文93

2EN

Safety precautions .......................................................................................................................... 3

EU Declaration of Conformity .......................................................................................................... 4

UK Declaration of Conformity .......................................................................................................... 4

1. Instructions for use................................................................................................................... 4

2. Technical data........................................................................................................................... 6

3. Getting started: ........................................................................................................................ 7

4. General usage........................................................................................................................... 7

5. Menus and functions................................................................................................................. 8

5.1 Navigation......................................................................................................................................................8

5.2 Live listening .................................................................................................................................................8

5.3 Recordings.................................................................................................................................................. 10

5.4 SKF sample sounds................................................................................................................................... 11

5.5 Settings ...................................................................................................................................................... 13

6. Troubleshooting...................................................................................................................... 14

7. Spare parts and accessories.................................................................................................... 14

Table of contents

Original instructions

3EN

READ THIS FIRST

Safety precautions

Read this instruction for use fully. Follow all safety

precautions to avoid personal injury or property

damage during equipment operation. SKF cannot

be responsible for damage or injury resulting from

unsafe product use, lack of maintenance or incorrect

equipment operation. In case of any uncertainties as

regards the use of the equipment contact SKF.

This device is used for inspecting moving, rotating

and vibrating objects. It may only be used in

accordance with these instructions. The device must

not be opened. Modiﬁcations to the device are not

permitted. The manufacturer shall not be liable for

damage resulting from incorrect use or use contrary

to the intended use. Warranty claims will also be

invalidated in this event.

WARNING:

Risk of injury!

• Moving machinery components should not be

touched with the probe.

• Do not touch moving machinery under any

circumstance.

• The device may not be used in potentially

explosive areas.

• Do not set-up the volume at maximum directly

without knowing what the probe is sensing.

Avoid any shock on the probe.

Warranty void!

• Do not expose the equipment to rough handling

or heavy impacts.

• Always read and follow the operating

instructions.

• Opening the housing of the instrument may

result in hazardous mishandling and voids

warranty.

• Do not expose the equipment to high humidity

or direct contact with water.

• All repair work should be performed by an

SKF repair shop.

Correct disposal!

• = The electronic components in the device

contain environmentally harmful substances.

They must be disposed of in accordance with

the environmental regulations in the country

of use.

NOTE:

• Suitable for use in residential, commercial and

industrial area.

• Not intended for medical use.

4EN

EU Declaration of Conformity

TKST 21

We, SKF MPT, Meidoornkade 14, 3992 AE Houten,

The Netherlands herewith declare under our sole

responsibility that the products described in these

instructions for use, are in accordance with the

conditions of the following Directive(s):

EMC DIRECTIVE 2014/30/EU

and are in conformity with the following standards:

RoHS DIRECTIVE (EU) 2015/863

Houten, The Netherlands, August 2023

Guillaume Dubois

Manager Quality and Compliance

UK Declaration of Conformity

TKST 21

We, SKF MPT, Meidoornkade 14, 3992 AE Houten,

The Netherlands herewith declare under our sole

responsibility that the products described in these

instructions for use, are in accordance with the

conditions of the following Directive(s):

Electromagnetic Compatibility Regulations 2016

(2016 No. 1091) and are in conformity with the

following standards:

The Restriction of the Use of Certain Hazardous

Substances in Electrical and Electronic Equipment

Regulations 2012 (2012 No. 3032)

The person authorised to compile the technical

documentation on behalf of the manufacturer is

SKF (U.K.) Limited, 2 Canada Close, Banbury,

Oxfordshire, OX16 2RT, GBR.

Houten, The Netherlands, August 2023

Guillaume Dubois

Manager Quality and Compliance

1. Instructions for use

These operating instructions are an integral part

of the device. They must be stored in an easily

accessible location and passed on to subsequent

users. Ask your supplier if there is something you do

not understand.

WARNING:

Read the operating instructions thoroughly and

follow the instructions provided.

These operating instructions contain important

information about installing, starting up and

operating the stethoscope. Pay particular attention

to the safety information and warnings to prevent

injuries and product damage.

The manufacturer reserves the right to continue

to develop this device without documenting all

developments. Your supplier will be pleased

to inform you as to whether these operating

instructions are current.

Contents:

• SKF Stethoscope TKST 21

• 2 batteries AA

(Alkaline, works with rechargeable too)

• Headset and cable

• Two probes, one short and one long

• Case and IFU

Description:

See †ﬁg. 1

A- ON/OFF Button / Menu switching button

B- Batteries compartment:

2 batteries AA must be used

C- Probe connector

D- External jack plug

E- Headset jack plug

5EN

Fig. 1 – Stethoscope SKF TKST 21

Icon showing

the 4 modes

Icon blinks when battery

is below 25%

Icons to indicate

functions Graphical button indication

General aspect of

the device

4/5.

SKF logo

Menu item title

Area changes according to

selected menu item

Fig. 2 – Wireframe

Menu item title

6EN

1. 2.

4/5.

Fig. 3 – Buttons

1. Direct access button left: volume down

2. Direct access button right: volume up

3. Direct access button center

2. Technical data

Designation TKST 21

Frequency range 30 Hz - 15kHz

Operating temperature -10 to +45°C (14 - 113°F)

Output volume Adjustable in 10 levels

Sounds recording

capability

5 memory slots built-in

Display Color backlit TFT display

Sound volume Up & Down & Mute

Symbol on display Battery low

Maximum recorder output 250 mV

Headset 32 Ohm (with ear defender)

Auto switch off Yes, adjustable

Battery 2 × AA Alkaline (included)

Battery lifetime At least 5 hours (continuous use and full screen brightness)

Probe length 70 and 300 mm (2.8 and 11.8 in)

Weight

- Total weight 1 650 g (3.64 lb)

- Instrument 300 g (0.66 lb)

- Headset 290 g (0.64 lb)

Dimensions handset 230 × 70 × 38 mm (9 × 2.8 × 1.5 in)

Case dimensions 360 × 110 × 260 mm (14.2 × 4.3 × 10.2 in)

Fig. 4 – ON/OFF red button

7EN

3. Getting started:

• Unscrew the battery compartment screw

• Insert the AA batteries respecting the polarity

• Close the lid and tighten the screw.

The device is ready to start listening to a machine

with the chosen contact probe: the short one for

easy to access machinery, and the long one for

spaces with limited access. For this reason, do not

direct it at any moving part of a machinery.

Please follow the steps below when setting up

the device:

• Screw the chosen probe tip to the device and

tighten it gently.

• Plug the cable to the headset outlet, use the

90 degrees angle jack plug side.

• Plug the other end of the cable to the device

and secure the jack plug with the thumb screw.

• Push the ON/OFF button for 2 seconds to turn

the stethoscope ON.

• Direct the device at a running machine.

• Push gently to contact the tip of the probe to

the non-movable machine area of your choice.

• Use the desired volume level by pressing the

direct access buttons 1 or 2 for changing the

volume Down or Up.

4. General usage

The Stethoscope offers a wide range of volume level

to operate it and many different functions. When

simply listening to a machine, by pressing the left

or right button (button 1 and 2), the volume goes

Down or Up.

By pressing one more time on Direct Access button

1 at minimum Volume, it will Mute the Stethoscope.

Use the two probes depending on the ease of access

of the area where you want to listen.

4/5.

Fig. 5 – Volume popup

When the user changes the sound volume a popup

appears and the stethoscope gives an audio indication

of the current sound volume (beep).

The popup disappears after 2 seconds.

The output jack plug on the side is there in order to

plug a recording device (not sold by SKF).

8EN

5. Menus and functions

SKF Stethoscopes offer many different features that

can be easily accessed from the main screen, from

Live listening, Recordings, SKF sound samples and

Settings.

5.1 Navigation

In order to navigate from one menu to the next one,

press shortly the red ON/OFF button, and it will

toggle through the menus in this sequence:

Live listening --> Recordings --> SKF sound

samples --> Settings --> back to Live listening.

In each different menu, the red ON/OFF button,

when pressed shortly, allows to go BACK to the

previous screen of the Stethoscope.

Direct access buttons 1 and 2 will almost always be

dedicated to increase or decrease the volume, or to

scroll a list of items.

Direct access button 3 will mostly be used to achieve

all functions like recording, pause, playing, selecting.

5.2 Live listening

4/5. Memory slot number

Sound indictor

A recording is started

by pressing the

record button

Volume control

Fig. 6 – Controls and indicators

In the Live listening menu, you can simply listen to

the machine you are pointing at (with contact) and

leave whenever you want. Adjusting the volume by

pressing the left or right button (button 1 and 2):

Up or Down.

4/5.

Fig. 7 – Sound

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