TESTO 104-IR Manual de usuario

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3. Intended use 11

1. General information

Please read this document through carefully and familiarize

yourself with the operation of the product before putting it to use.

Keep this document to hand so that you can refer to it when

necessary.

2. Safety information

Avoid electrical hazards:

Do not conduct measurements on or near live parts!

Adhere to the product safety/warranty requirements:

Always 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 the purpose of maintenance or repair work.

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.

3. Intended use

The testo 104-IR is a robust food thermometer.

The product is designed for the following tasks/areas:

· Food sector: production, food service, spot check

measurement, incoming goods.

· 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:

The immersion/penetration probe from the tip up to 2 cm before the

probe handle or the plastic housing. If provided, information about

penetration depths in the instruction manual or the mark(s) on the

immersion/penetration probe should be observed.

The product should not be used in the following areas:

· Potentially explosive areas

· For diagnostic measurements in the medical sector

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4. Technical data12

4. Technical data

Feature Values

Penetration probe

Sensor type NTC

Measuring range 50 to +250 °C / 58 to +482 °F

Resolution 0.1 °C/°F/°R

Accuracy (±1 digit) ±1.0 °C / ±1.8 °F (-50,0 to-30,1°C / 58.0 to 22.1 °F)

±0.5 °C / ±0.9 °F (-30,0 to +99,9°C / 22.0 to +211.9 °F)

±1 % of the measuring range (+100.0 to +250.0 °C / +212.0

to +482.0 °F)

Response time t99 10 s (measured in moving liquid)

Measuring rate 0.5 s

Infrared measurement

Lens 10:1 + opening diameter of the sensor (12 mm / 0.47”)

Spectral range 8 to 14 μm

Laser type 2point laser

Output / wavelength < 1 mW / 650nm

Class / standard 2 / DIN EN 608251:2007

Measuring range 30  +250 °C / 22  +482 °F

Resolution 0.1 °C/°F/°R

Accuracy (±1 digit) ±2.5 °C / ±4.5 °F (30.0 to 20.1 °C / 22.0 to 4.2 °F)

±2.0 °C / ±3.6 °F (20.0 to 0.1 °C / 4.1 to 31.9 °F)

±1.5 °C / ±2.7 °F or ±1.5 % of the measuring value (0.0 to

+250.0 °C / +32.0 to +482.0 °F)

Measuring rate 0.5 s

General

Operating temperature 20 to +50 °C / 4 to +122 °F

Transportation/ 30 to +50 °C / 22 to +122 °F

storage temperature

Power supply 2 x AAA batteries

Battery life 10 h (typical at 25°C / 77°F)

Housing ABS/TPE/PC and diecast zinc/stainless steel

Protection class IP65

Dimensions 281 x 48 x 21 mm / 11.06 x 1.89 x 0.83“

(immersion/penetration probe folded out)

178 x 48 x 21 mm / 7.01 x 1.89 x 0.83”

(immersion/penetration probe folded up)

Weight 197g / 0.433lbs (incl. batteries)

Standards EN 13485

EC Directive 2004/108/EC

Warranty 2 years, warranty terms: see www.testo.com/warranty

Information on standards

This product c

complies

with the E

EN 13485

standard for

penetration measurement.

Suitability: S, T (storage, transportation)

Environment: E (transportable thermometer)

Accuracy class: 0.5

Measuring 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. Commissioning 13

5. Product description

1 Infrared sensor

2 2-point laser

3 Display

4 Control keys:

·[

[ON]

: switches the instrument on

·[

[OFF]

: switches the instrument off

(hold button down)

·[

[]

: switches to IR measurement,

carry out IR measurement (hold button

down)

·[

[]

: switches to contact

measurement

·[

[HOLD/MIN/MAX]

: holds measuring

value, displays minimum/maximum

value

5 Fold-out immersion/penetration probe,

folding out the probe switches the

instrument on

6 Battery compartment (at the back)

6. Commissioning

Inserting batteries

1 Use a slotted screwdriver to undo the

screw on the battery compartment.

2 Open the battery compartment.

3

Insert batteries (2x type AAA). O

Observe

the polarity!

4

Close the battery compartment.

5

Tighten the screw.

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7. Operation14

7. Operation

7.1 Switching on/off

Switching on via fold-out probe

Fold out the probe.

- All display segments light up briefly. Contact measurement is

enabled ( lights up).

Switching on/off via control keys

Switch the instrument on: p

press [ON]

.

- All display segments light up briefly. IR measurement is

enabled ( lights up).

Switch off the instrument: p

press and hold down [OFF]

until the

display goes off.

The instrument switches off automatically if no key is pressed:

for 10 minutes when the probe is folded out, or for 1 minute

when the probe is folded up.

7.2 Changing the measuring mode

Contact measurement —> IR measurement: p

press [ ]

.

IR measurement —> contact measurement: p

press [ ]

.

7.3 Measuring

Observe the information on IR measurement/contact

measurement (see chapter below).

IR measurement

- Instrument is on, IR measurement is enabled.

1

Start measurement: p

press and hold down [ ]

.

2

Lock in on measurement object using the laser points: laser

points mark the edges of the measuring range.

- The current measuring value is displayed.

3

End measurement: release the key.

-H

Hold

lights up. The last measuring value and min./max. value

are saved until the next measurement, or until the instrument is

switched off.

Switch between min., max. and recorded value: p

press [HOLD /

MIN / MAX]

.

The min./max. values can be reset:

· press [

[]

or switch the instrument off.

Restart measurement: p

press and hold down [ ]

.

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8. Settings 15

Setting the emission level:

· When IR measurement is enabled, press and hold down[

[]

and [

[]

at the same time ( lights up).

· Emission level is displayed.

· Use [

[]

or [

[]

to change the value and wait for 3 s.

Contact measurement

- Instrument is on, contact measurement is enabled ( lights

up).

1

Position the contact thermometer in the measurement object

and initiate the measurement: p

press [ ]

.

2

End measurement: p

press [HOLD / MIN / MAX]

.

-H

Hold

lights up. The last measuring value and min./max. value

are saved until the next measurement, or until the instrument is

switched off.

AutoHold function: if this function is enabled, the measurement

is ended automatically as soon as the measuring value is

stable, A

AutoHold

lights up.

Switch between min., max. and recorded value:

press [HOLD / MIN / MAX]

.

The min./max. values can be reset:

· switch the instrument off, switch to IR measurement or, while

the held measuring value is displayed (H

Hold

lights up), press

and hold down [

[HOLD / MIN / MAX]

until C

Clr

lights up.

Restart measurement: p

press [ ]

.

8. Settings

- The instrument is switched off.

If no button is pressed for 3 s in settings mode, the instrument

switches to the next view.

1

Press and hold down [

[]

and [

[]

until A

AutoHold

or H

Hold

flashes.

2

Switch the AutoHold function on (A

AutoHold

) or off (H

Hold

): p

press

[ ]

or [

[]

.

-°

°C

, °

°F

or °

°R

flashes.

3

Set measurement unit to degrees Celsius (°

°C

), degrees

Fahrenheit (°

°F

) or degrees Réaumur (°

°R

): p

press [ ]

or [

[]

.

- flashes.

4

Switch the laser on (o

on

) or off (o

oFF

): p

press [ ]

or [

[]

.

- The instrument switches to IR measurement.

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10. Questions and answers16

9. Service and maintenance

9.1 Changing the batteries

1

Use a slotted screwdriver to undo the

screw on the battery compartment.

2

Open the battery compartment.

3

Insert batteries (2x type AAA). O

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 aggressive cleaning agents or solvent!

The housing and probe can be disinfected using an alcohol-

based spray. In doing so, always follow the manufacturer’s

instructions.

Clean the housing and probe under running water and rub dry

with a towel.

Clean the lens carefully with a cotton bud dipped in water or

medical alcohol.

10. Questions and answers

Question Possible causes Possible solution

lights up Low battery Change batteries.

IR measurement: Measuring values Keep to permissible

- - -

lights up. outside measuring range measuring range.

Contact measurement: Valores de medición Keep to measuring

- - -

lights. outside permissible range range.

Instrument cannot Batteries dead. Change batteries.

be switched on

Instrument Instrument switches off Switch the

switches itself off. automatically after 10 min instrument on again

in contact measurement mode

and after 1 min after switching

on in IR measurement mode.

If we have not been able to answer your question, please contact

your local dealer or Testo Customer Service. For contact details,

please visit www.testo.com/service-contact.

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11. Information on infrared (IR) measurement 17

11. Information on infrared (IR)

measurement

11.1 Measuring method

IR measurement is a visual measurement

Keep lens clean.

Do not carry out measurement with a foggy lens.

Keep the measuring range (the range between the instrument

and the measurement object) free of obstacles. There must be

no particles of dust or dirt, no humidity (rain, steam) and no

gases.

IR measurement is a surface measurement

If there is dirt, dust, frost, etc. on the surface, only the outermost

layer is measured, i.e. the dirt.

For vacuum-packed food, do not measure at air pockets.

Where the values are critical, always measure separately with

a contact thermometer. Particularly in the food sector: measure

core temperature with a penetration/immersion thermometer.

Adjustment time

If the ambient temperature changes (change of location,

e.g. measurement indoors/outdoors), the instrument must be

allowed to equalise for 15 minutes for infrared measurement.

11.2 Emissivity

Materials have different emission levels. This means they emit

various amounts of electromagnetic radiation. The emission level

of the instrument has a default setting of 0.95. This is ideal for the

measurement of food, non-metals (paper, ceramic, gypsum,

wood, paints and varnishes) and plastics.

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12. Information on contact measurement18

11.3 Measuring range, distance

Depending on the distance of the measuring instrument from the

measurement object, a specific measuring range is recorded.

Measuring lens (ratio of distance : measuring range)

In italics = laser

Not in italics = measuring range

* Optimised measuring distance

12. Information on contact

measurement

Observe the minimum penetration depth for

immersion/penetration probes:

10x probe diameter

Avoid using in aggressive acids or alkalis.

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