460 - Odometer Testo - Free user manual and instructions

Product type	Optical tachometer (odometer)
Brand	Testo
Model	460
Dimensions (L x W x H)	119 x 46 x 25 mm (with protective cap)
Weight	85 g (with batteries and protective cap)
Power supply	2 AAA 1.5 V batteries
Battery life	20 h (without display illumination)
Measurement ranges	100 to 30,000 rpm; 1.7 to 500.0 rps
Resolution	0.1 rpm (100.0 to 999.9 rpm); 1 rpm (1,000 to 30,000 rpm); 0.1 rps (1.7 to 17.0 rps); 1 rps (17.0 to 500.0 rps)
Accuracy	±0.02% of the average value (±1 digit)
Measurement frequency	0.5 s
Protection rating	IP40
Operating temperature	0 to 50 °C
Storage temperature	-40 to 70 °C
Sensor	Optical LED (phototransistor)
Display	LCD display with illumination (10 s)
Main functions	Rotation speed measurement (rpm/rps); Hold, Max, Min functions; blade number setting; auto-off; display illumination
Maintenance and cleaning	Clean the housing with a damp cloth (soapy water). Do not use solvents or aggressive cleaning agents. Replace used batteries.
Safety	Risk of injury from rotating parts. Observe safety distances. Do not use with solvents or acids.
Spare parts and repairability	Use only original Testo spare parts. Return the product at end of life for environmentally friendly disposal.
Warranty	2 years (conditions in the warranty booklet)

Frequently Asked Questions - 460 Testo

How to turn on and off the Testo 460?

To turn on, briefly press the button. To turn off, hold down the button for 2 seconds until the display turns off.

How to change the batteries of the Testo 460 tachometer?

Open the battery compartment by sliding the cover downwards. Remove the used batteries and insert two new AAA (1.5 V) batteries, observing polarity. Close the cover.

What to do if the display shows 'Hi' or 'Lo'?

'Hi' or 'Lo' indicates that the measurement is outside the permitted range (100-30,000 rpm) or that the battery capacity is below 10 minutes. Check the measurement and replace the batteries if necessary.

How to set the number of blades for a fan?

In measurement mode, press the Mode button repeatedly until 'NO.' appears. Use the ▲/▼ buttons to set the number of blades (e.g., 3, 5, etc.). Confirm with the button. The device then divides the measured value by this number.

How to use Hold, Max and Min mode?

Press the Mode button to cycle through the options: Hold (holds the last measured value), Max (displays the maximum value since the start of measurement), Min (displays the minimum value). Use ▲/▼ to select.

What is the ideal distance for measuring with the Testo 460?

The ideal distance between the sensor and the object is 10 to 40 cm. Aim at the reflective strip at an angle of approximately 30° to avoid multiple reflections.

How to activate the display illumination?

Press the illumination button (symbol) when the device is on. The illumination stays active for 10 seconds and then turns off automatically.

How to disable the auto-off function?

When turning on, hold down the button until the configuration mode appears. Select 'Auto Off' with ▲/▼, then choose 'OFF' to disable. Confirm with the button.

What safety precautions should be followed?

Never use the device near rotating parts without respecting safety distances. Avoid contact with solvents, acids, or aggressive substances. Use only recommended batteries.

How to clean the housing of the Testo 460?

Clean the housing with a damp cloth (soapy water). Do not use solvents or aggressive cleaning products. For stubborn dirt, contact Testo customer service.

USER MANUAL 460 Testo

① Protection cap: Park position
② Photo transistor
③ Display
④ Control keys
⑤ Battery compartment (on rear)

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Basic settings

Instrument off > press and hold Ⓞs > select with (), ▲ confirm with Ⓥ: ←

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

Switching the instrument on

Press Ⓒ.

Switching the display light on (for 10s)

Instrument on > press ⏻

Measuring

Press and hold

Select display mode

Instrument on > select with Mode

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

Switching the instrument off:

Instrument on >press and hold 🎨s.

Safety and the environment

About this document

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.

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

Only operate the measuring instrument properly, for its intended purpose and within the parameters specified in the technical data. Do not use force.

Never store the product together with solvents, acids or other aggressive substances.
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

Take faulty rechargeable batteries as well as spent batteries to the collection points provided for them.
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.

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 temperature 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

Product description

At a glance

① ② 4230 ③ ④ ⑤

① Protection cap: Park position
② Photo transistor
③ Display
④ Control keys
⑤ Battery compartment (on rear)

First steps

▶ 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.

▶ Basic settings (configuration mode):

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.

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.

▶ Switching the instrument on:

Press

- Measuring mode is opened.

▶ Switching the display light on:

√ The instrument is switched on.

Press©.

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

➢ Changing the display view/setting the number of blades:

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

  Press several times until the desired view appears.

Measuring

Warning! Danger of injury from rotating parts!

Keep to the safe distances and comply with the protective measures stipulated by the manufacturer.

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.

Switching the instrument off:

Press and hold until the display goes out.

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 the housing:

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

Notes18

Instructions succinctes testo 460

① ② 4230 ③ ④ ⑤

• Directive 89/336/CEE

Garantie

- Risoluzioni: 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)

- Precisione (a temperatura nominale 22 °C, ±1 Digit): ±0.02 % del v. m.