TESTO 460 Instruction Manuals

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testo 460

Short manual testo 460 11

Short manual testo 460

 Protection cap: Park position
 Photo transistor
 Display
 Control keys
 Battery compartment (on rear)

Basic ssettings
Instrument off > press and hold 2s > select with ( ),

confirm with ( ):

Unit of rotational speed: rpm, rps, Auto off function: OFF, ON

Switching tthe iinstrument oon
Press .

Switching tthe ddisplay llight oon ((for 110s)
Instrument on > press

Measuring
i Press and hold .
Select ddisplay mmode
Instrument on > select with :

Hold: Readings are held > Max: Maximum values > Min: Minimum values > NO.: Set
the number of blades.

Switching tthe iinstrument ooff:
Instrument on >press and hold 2s.

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Safety and the enviroment12

Safety and the environment

About this document

i Please read this documentation through carefully and

familiarise yourself with the product before putting it to use.
Keep this document to hand so that you can refer to it when
necessary. Hand this documentation on to any subsequent
users of the product.

i Pay particular attention to information emphasised by the

following symbols:

With the signal word Warning!:
Warns against hazards which could result in serious physical
injury if the precautionary measures indicated are not taken.

Important.

Avoid personal injury/damage to equipment

i Only operate the measuring instrument properly, for its

intended purpose and within the parameters specified in the
technical data. Do not use force.

i Never store the product together with solvents, acids or other

aggressive substances.

i Only carry out the maintenance and repair work that is

described in the documentation. Follow the prescribed steps
when doing so. Use only OEM spare parts from Testo.

Protecting the environment

i Take faulty rechargeable batteries as well as spent batteries to

the collection points provided for them.

i Send the product back to Testo at the end of its useful life. We

will ensure that it is disposed of in an environmentally friendly
manner.

Specification 13

Specifications

Functions and use

The testo 460 is a rotational speed measuring instrument. It is
normally used to measure rotational speed, e.g. of impellers,
drums and spindles.

Technical data

Measurement data

· Sensor:
Optical LED

· Parameters:
rpm, rps

· Measuring ranges:

100...30000 rpm, 1.7...500.0 rps

· Resolutions:

0.1 rpm (100.0...999.9 rpm),

0.1 rps (1.7...17.0 rps),
1 rpm (1000...30000 rpm)
1 rps (17.0...500.0 rps)

· Accuracies
(Nominal temperatue 22 °C, ±1 Digit):
±0.02 % of reading

· Measuring rate:

0.5 s

Further instrument data

· Protection class: IP40

· Ambient conditions:

0...50 °C, 32...122 °F

· Storage/transport conditions:

-40...70 °C, -40...158 °F

· Voltage supply:
2x 1.5 V type AAA

· Battery life:
20 h (without display light)

· Dimensions:
119x46x25 mm (inc. protection cap)

· Weight: 85 g (inc. batteries and
protection cap)

Directives, standards and tests

· EC Directive: 89/336/EEC

Warranty

· Duration: 2 years

· Warranty conditions: see guarantee
card

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Product description14

Product description

At a glance

 Protection cap: Park position
 Photo transistor
 Display
 Control keys
 Battery compartment (on rear)

First steps

²

Inserting bbatteries:
1 To open the battery compartment, push the battery cover

down.

2 Insert batteries (2x 1.5 V type AAA). Observe the polarity!
3 To close the battery compartment, push the battery cover

back on.

²

Basic ssettings ((configuration mmode):

Adjustable functions

· Unit of rotational speed: rpm, rps

· Auto off function: OFF, ON (instrument switches off automatically if no key is

pressed for 10 minutes)

1 When switching the instrument on, press and hold until

and appear on the display (configuration mode).

- The adjustable function is displayed. The current setting
flashes.

2 Press ( ) several times until the desired setting flashes.
3 Press ( ) to confirm the input.
4 Repeat steps 2 and 3 for all functions.

- The instrument changes to measuring mode.

15

Using the product

For reliable measurements it is necessary to use reflective
markers. To apply the reflective marker, wait until the object to
be measured has come to a standstill.

The ideal distance to the measurement object is between 10
and 40 cm. During the measurement, always aim at the
reflective marker from an angle of approx.30°. This avoids
multiple reflections from the surface.

If no reflective marker can be attached, it must be checked
whether the reflective properties of a reflective point on the
measurement object are sufficient for rpm measurement. In
this case, aim at the measurement object from the vertical, and
check whether a value is displayed. If the measurement object
displays several reflections per revolution, (e.g. reflective
ventilator with 5 vanes), the number of the impulses per
revolution (e.g. number of ventilator vanes) must be entered
into the instrument (see below) in order to obtain correct rpm
measurements.

²

Switching tthe iinstrument oon:
i Press .

- Measuring mode is opened.

²

Switching tthe ddisplay llight oon:

 The instrument is switched on.
i Press .

- The display light goes out automatically if no key is
pressed for 10 seconds.

²

Changing tthe ddisplay vvie

w/setting tthe nnumber oof bblades:

As an alternative to entering the impulses per revolution,
the setting NO.1 can be selected and the rpm calculated
manually from the measurement value (measurement value
divided by impulse/number of vanes)

Adjustable views/setting the number of blades

· Hold: Readings are held.

· Max: Maximum values since the start of the last measurement.

· Min: Minimum values since the start of the last measurement.

· NO.: Set the number of blades. Change the value with .

i Press several times until the desired view appears.

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Using the product

Using the product16

²

Measuring

Warning! Danger of injury from rotating parts!

i Keep to the safe distances and comply with the

protective measures stipulated by the manufacturer.

i Press and hold .

-

rpm or rps flashes in the display as soon as useful

measuring signals are available. The light spot marks the
centre of the measuring surface.

- When measurement has been completed (release ),
the instrument changes to the

Hold display view and the

reading is held.

²

Switching tthe iinstrument ooff:
i Press and hold until the display goes out.

Maintaining the product

17

Maintaining the product

±

Changing bbatteries:
1 To open the battery compartment, push the battery cover

down.

2 Remove used batteries and insert new batteries

(2x 1.5 V type AAA). Observe the polarity!

3 To close the battery compartment, push the battery cover

back on.

±

Cleaning tthe hhousing:
i Clean the housing with a moist cloth (soap suds) if it is dirty.

Do not use aggressive cleaning agents or solvents!

Tips and assistance

Questions and answers

Question Possible causes/solutions

Hi or Lo · Readings outside the measuring range (too high, too

low): Keep to the permitted measuring range.

· Residual capacity <10 min: Change batteries.

If we could not answer your question, please contact your dealer
or Testo Customer Service. Contact details can be found on the
guarantee card or on the Internet at: www.testo.com

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Notes18

testo AG
Postfach 1140, 79849 Lenzkirch

Testo-Straße 1, 79853 Lenzkirch
Telefon: [phone]

Fax: [phone]
E-Mail: [e-mail]

Internet: http://www.testo.com

0973.4600/02/Sh/dr/28.03.2007

www.testo.com