Testo Testo 104 Manual1,

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Thermometer

Instruction manual

99 Washington Street Melrose, MA 02176

Phone 781-665-1400 Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

testo 104

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1. General Information

Please read this document through carefully and familiarise yourself with the operation of the product before using it. Keep this documentation to hand so that you can refer to it when necessary.

2. Product Description

Display

Hold

Button

Max Min

Freeze reading,

display max/min

value

Immersion / penetration probe

Battery compartment (on rear)

3. Safety Information

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Avoid electrical hazards:

Do not conduct measurements on or near live parts!

Preserving product safety / warranty claims:

Operate the instrument properly and according to its intended purpose and within the parameters specified. Do not use force.

Do not store with solvents (e. g. acetone). Only open the instrument if this is expressly described in the

documentation for maintenance purposes.

Ensure correct disposal:

Dispose of defective rechargeable batteries and spent batteries at the collection points provided.

Send the instrument directly to us at the end of its life cycle. We will ensure that it is disposed of in an environmentally friendly manner.

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10 4. Intended Use10

4. Intended Use

The testo 104 is a robust food thermometer. The product is designed for the following tasks/areas:

· Food sector: production, food service, spot check measurement

· Measuring liquids, pastes and semi-solid materials

The following product components are designed for continuous contact with foodstuffs in accordance with Regulation (EC) 1935/2004: From the tip of the immersion/penetration probe up to 2 cm before the probe handle or the plastic housing. If provided, the information about penetration depths under point 7.2 in the instruction manual or the mark(s) on the immersion/penetration probes should be noted.

The product may not be used in the following areas:

· Potentially explosive areas

· For diagnostic measurements in the medical sector

5. Technical Data

Feature Values

Sensor type NTC Measurement range -50...+250°C Parameter Temperature in °C/°F/°R Resolution 0.1°C/°F/°R Accuracy ±1.0 °C (-50.0...-30.1°C)

Response time t99 10 s (measured in moving liquid) Measuring rate 2 measurements per second Operating temperature -20...+60°C Transport / storage temperature -30...+70°C Power supply 2 x AAA batteries Battery life 100 h (typically at 25°C without display illumination) Housing ABS/TPE/PC and die-cast zinc/stainless steel Protection class IP65 Dimensions 265 x 48 x 19 mm (immersion/penetration probe open) Weight 165 g (incl. batteries) Display LCD, single line, with status line (Hold/Auto Hold) illuminated Standards

±0.5 °C (-30.0...+99.9°C) ±1 % of the measurement range (+100.0...+250.0°C)

EN 13485

EC Directive 2004/108/EEC

Warranty

2 years

Information on standards

This product complies with the EN 13485 standard Suitability: S, T (storage, transport) Environment: E (transportable thermometer) Accuracy class: 0.5 Measurement range: -50...+250 °C According to EN 13485, the measuring instrument should be checked and calibrated regularly under the terms of EN 13486 (recommended frequency: yearly). Contact us for more information.

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6. Initial Operation

6.1 Inserting batteries

1 Loosen the screw on the battery

compartment. 2 Open the battery compartment. 3 Insert batteries (2 x AAA).

Observe the polarity! 4 Close the battery compartment. 5 Tighten the screw.

6.2 Configuring the unit

1 Loosen the screw on the battery

compartment. 2 Open the battery compartment.

°C/°F/°R

6.3 Labelling the instrument

The testo 104 can be labelled using coloured foils. The coloured label can be used, for example, to allocate the instrument to a particular processing stage or employee.

3 Set the switch (e.g. using a sharp

instrument) to the desired temperature

unit (°C/°F/°R). 4 Close the battery compartment. 5 Tighten the screw.

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1 Open the battery compartment. 2 Open the flap on the inside of the

battery compartment. 3 Stick the coloured foil onto the flap. 4 Close the flap. 5 Close the battery compartment.

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12 7. Operation12

7. Operation

The instrument switches off automatically 60 minutes after it has been switched on even if the immersion/ penetration probe is open.

7.1 Switching On / Off

Switch on the instrument: open the

immersion/penetration probe.

Switch off the instrument: close the

immersion/penetration probe.

7.2 Measuring

Observe the required immersion / penetration depth for correct readings: at least 23 mm.

The housing must only be subjected to operating temperature between -20 and +60°C.

 Instrument is switched on.

Immerse / penetrate the probe into the object being measured.

- The current reading is shown.

Holding the reading manually (Hold)

 The instrument is in Hold mode (mode when supplied).

Hold reading: press

- Signal emitted, reading is frozen and Hold lights up.

Restart measurement: press

Holding the reading automatically (Auto Hold)

 The instrument is in Auto Hold mode (See description under

“Changing the measurement mode”).

- Auto Hold flashes. If the reading remains stable within 10 seconds, it is frozen. A signal is emitted and Auto Hold lights up.

Restart measurement: press

Hold Max Min

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8. Configuring the instrument

Changing the measurement mode

 Instrument is switched off. 1 Open the configuration mode: open the immersion/penetration

probe while holding down Depending on the preconfigured settings, either Hold or

Auto Hold is shown.

2 Select Hold or Auto Hold: press

- Configuration is complete. The instrument changes to the measurement mode.

Displaying min/max values

Only Hold and Auto Hold values are stored in the min/max memory.

 Instrument is switched on.

1 Immerse / penetrate the probe into the object being measured. 2 In the Hold measurement mode: press

In the Auto Hold measurement mode: wait until a signal is emitted and Auto Hold lights up.

3 Hold down

- Max lights up and the maximum measurement value is shown.

4 Press

- Min lights up and the minimum measurement value is shown.

5 Press

Hold Max Min

for at least 2 seconds.

- The instrument changes to the measurement mode.

Deleting min/max values

 Steps 1-4 of “Displaying min/max values” have been followed.

5 Hold down

Hold Max Min

for at least 2 seconds.

- Max Min CLr. appears on the display.

- The instrument changes to the measurement mode.

Hold Max Min

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14 9. Service and Maintenance14

9. Service and Maintenance

9.1 Changing the batteries

1 Loosen the screw on the battery

compartment. 2 Open the battery compartment. 3 Insert batteries (2 x AAA).

Observe the polarity! 4 Close the battery compartment. 5 Tighten the screw.

9.2 Cleaning the instrument

Only use weak, commercially available neutral/household cleaning agents (e.g. washing-up liquid) to clean the instrument. Do not use any aggressive cleaning agents or solvents!

The housing and probe can be disinfected using an alcoholbased spray. In doing so, always follow the manufacturer’s instructions.

Clean the housing and probe under running water and rub dry with a towel.

10. Questions and Answers

Question Possible causes Possible solution

lights up.

- - - lights up. Measurement range exceeded.

Instrument cannot be switched on.

Instrument switches itself off.

If we have not answered your question, please contact your local dealer or Testo´s Customer Service.

Batteries dead. c Change batteries.

Measurements can only be carried out in the range specified.

Batteries dead.

The instrument switches off automatically 60 minutes after it is switched on.

Change batteries.

Close and reopen the immersion/penetration probe.

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, Melrose, MA 02176

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