testo 476 User guide

testo 476

Instruction manual

en

Preface

2

Foreword

Dear Testo customer,

Congratulations on choosing a Testo product. We hope
that you will enjoy many years of using the product and
that it will help you in your work.

If problems should occur which you cannot rectify
yourself, please consult our service department or your
dealer. We will endeavour to provide fast and competent
assistance to save you long periods out of operation.

Copyright

This documentation is subject to the copyright of Testo AG.
Reproduction and employment contrary to the justified
interests of Testo AG are prohibited without the prior, writ­ten consent of the company.

We reserve the right to modify technical details from the
descriptions, specifications and illustrations contained in
this documentation.

Testo AG

Postfach 11 40
79849 Lenzkirch
Germany

General Information

3

This instruction manual contains important information about the features and use of the
instrument. Please read this document carefully and familiarise yourself with the operation of
the instrument before putting it to use. Always keep this manual close at hand in order to
look up necessary information.

Standards/Tests

The conformity certificate confirms that this product fulfills the guidelines in accordan­ce with 2004/108/EEC.

Contents

4

Preface ..........................................................2

General Information ......................................2

Contents ........................................................4

1. Basic safety instructions ..............................5

2. Intended use ..................................................6

3. Delivery range ................................................6

4. Overview ........................................................7

5. Power supply ................................................8

5.1 Mains unit Setup ............................................8

5.2 Charge the battery ..........................................9

5.3 Battery management ....................................10

6. Operation......................................................10

7. Error messages............................................11

8. External triggering ......................................11

9. Replacing the flash tube ............................12

10. Application information ..............................13

10.1 Slowing down motion ..................................13

10.2 Apparent direction of movement ..................14

10.3. Harmonics ....................................................14

10.4 Determing an object’s true RPM ..................15

11. Maintenance ................................................18

12. Accessories / Spare parts ............................18

13. Technical data..............................................19

1. Basic safety instructions

5

WARNING:

Stroboscopes give the illusion of stopped motion. Do
not touch the machine or object being observed!

The use of stroboscopes may induce an epileptic seizu­re in those persons predisposed to this type of attack.

Explosion hazard. Do not use this product in the
presence of an explosive environment.

CAUTION:

Do not use this product in wet or condensating
environments.

Do not allow liquids or metallic objects to enter into the
ventilation holes.

Recharge the battery using only the original mains unit
with supplied the

testo 476.

Use the supplied mains unit only with the

testo 476.

DANGER HIGH VOLTAGE!

To reduce risk of an electronic shock, do not open the
Pocket-Strobe. To replace the flash tube, refer to chap­ter 9. Replacing the flash tube.
There are no user-serviceable parts inside.

2. Intended use

6

You can use the testo 476 in a variety of industrial, laborato­ry, R&D and academic environments.

Most commonly, the

testo 476 is used to make objects

which are moving at high speeds appear to be moving in
slow motion. When this occurs, you can then safely and
easily analyse their motion, check for proper registration,
determine sources of unwanted vibration, etc.

Also, you can use the

testo 476 to apparently “freeze” an

object’s movement. Without making contact, you can
accurately measure the object’s rotational speed or recipro­cation rate.

Unlike other portable stroboscopes, the

testo 476

(XENON-)stroboscope takes only one hand to operate.

Typical applications include use with:

- High speed assembly lines, conveyor systems,
bottling operations, etc.

- Printing presses and cloth looms

- Motors, fans, pumps and turbines

- Calibration and inspection equipment

- Monitoring laboratory & research applications

Your testo 476 hand-held stroboscope comes with the fol­lowing items:

-

testo 476 Stroboscope

- Universal mains unit (100...240V AC)
and 4 adapters specific to country

- External Trigger Jack

- Carrying Case

- Instruction Manual

3. Delivery range