TESTO 108 Manuel utilisateur
General information 9
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
3. Safety information
Avoid electrical hazards:
Do not conduct measurements on or near live parts!
Adhere to the product safety/guarantee requirements:
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 battery
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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Switch On/ Switch Off
the instrument
Battery compartment
(on back of instrument)
Display
Protective cover
(Softcase)
Probe connector socket
Menu assistance in
configuration mode
Protective cover
recess (Softcase)
Immersion/
penetration probe
Minimum immersion/
penetration depth
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4. Intended Use10
4. Intended Use
The testo 108 is a watertight 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:
The immersion/penetration probe from the tip up to 1 cm before the
probe’s handgrip 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 Thermocouple Type T (included), Thermocouple Type K
connectable
Measurement range -50...+300 °C/-58...+572 °F (only applies to metallic probe
points)
Measurement Parameter Temperature in °C/°F
Resolution 0.1°C/°F
Instrument accuracy ±0.5 °C (-30...+70 °C)
(Ambient temperature ±0.5 °C ±0.5% of the measurement value
+23°C ±3°C) (-50...-30 °C/+70...+300 °C)
Probe accuracy ±0.5 °C (-40...-20 °C)
±0.2 °C (-20...+70 °C)
±0.5 °C (+70...+125 °C)
±0.4% of the measurement value (+125...+300 °C)
Adjustment time t99 10 s (measured in moving liquid)
Measurement rate 2 measurements per second
Operating temperature -20...+60 °C/-4...+140 °F
Transport/storage temperature -30...+70 °C/-22...+158 °F
Power supply 3 x AAA batteries
Battery life 2500 h (typically at 23 °C )
Housing TPE/PC +ABS/PC+ABS+10%GF
Protection class IP67 (the probe included in the set is connected)
Instrument dimensions 140 x 60 x 24,5 mm
Weight 150 g (instrument incl. battery, without soft case), 33 g (probe)
Display LCD, one-line, with status line
Standards EN 13485
Certificates: see www.testo-international.com,
Service&Support | Download Center (registration required)
EC Directive 2004/108/EC
Warranty 2 years, terms of warranty: see website
www.testo.com/warranty
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6. Initial operation 11
Information on standards
This product complies with the guidelines as per EN
13485 standard, performance: S, T (storage,
transportation), environment: E (transportable
thermometer)
Accuracy class: 1
Measuring range: -50...+300 °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.
6. Initial operation
6.1 Remove the protective casing (Softcase)
The protective casing (Softcase) supplied with the testo 108
protects it from impact and contamination.
In addition, the probe can be safely stowed in the recess of the
supplied protective casing (Softcase) on the side of the appliance.
6.2 Inserting batteries
1Loosen the screw to the battery
compartment.
2Open the battery compartment.
3Insert batteries (3 x AAA).
Observe the polarity!
4Close the battery compartment.
5Tighten the screw.
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Probe
Probe cable
Protective cover recess
(Softcase)
Protective cover
(Softcase)
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7. Operation12
7. Operation
7.1 On / Off.
Switch the instrument on: Press quickly.
- Display test appears. The instrument is ready for
measurement.
Switch off the instrument: Hold down for at least 3 seconds
Factory settings
The instrument is set up for the delivery as follows:
Unit: °C
Probe type: T
Auto off-Time: 10 min (instrument automatically switches off
10 mins after switching on).
To edit the settings see how to adjust the instrument.
7.2 Measuring
Observe the required immersion/penetration for correct
measuring result: at least 22 mm.
The housing must be exposed to a maximum operating
temperature of -20 to +60 °C. The measurement range from
-50 to +300 °C is only applicable to metallic probe points.
✓Instrument is switched on.
Immerse/place the probe into the object being measured.
- The current measurement value is shown. Wait until the
measurement value does not change any more.
7.3 Changing the probe
Standard Type T and K probes with miniature TE-connectors,
aswell as the supplied Type T probe can be connected to the
testo 108.
1Disconnect the connected probes.
2Put the required Type T/K-probe in the
probe connector socket.
3With Type K probes: In the settings
change the probe type, see instrument
set-up.
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8. Setting up the instrument 13
8. Setting up the instrument
In the set-up menu the unit, type of probe, and Auto-off -Time
can be changed.
The set-up menu must always be completely run through, also
if the only one parameter has been changed.
✓Instrument is switched off.
1Switching the instrument on: Press quickly.
- Display test appears.
2hold pressed down for about 3 sec during Displaytest.
- Configuration mode is opened, after presetting °C or °F is
displayed.
3Choose °C or °F unit: press and confirm with .
-After presetting Type Kor Type Tis shown.
4Choose probe type Type Kor Type T: press and confirm
with .
-After presetting 10, 30, 60 or off are displayed.
5Auto-off Time 10, 30, 60 or off choose: press and confirm
with .
- The configuration is finished. With the new settings, the
instrument changes in measurement mode.
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9. Service and Maintenance14
9. Service and Maintenance
9.1 Changing the batteries
1Loosen the screw on the battery
compartment.
2Open the battery compartment.
3Insert batteries (3 x AAA).
Observe the polarity!
4Close the battery compartment.
5Tighten 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!
Protective cover (Softcase) can be cleaned with washing up
liquid.
The housing and probe can be disinfected using an alcohol-
based spray. In doing so, always follow the manufacturer’s
instructions.
✓The probe included in the set is connected.
Clean the housing and probe under running water and rub dry
with a towel.
10. Questions and Answers
Question Possible causes Possible solution
lights on. Batteries dead. Change batteries.
- - - lights on. Measurement range exceeded Measurements can only
or fallen below. be carried out in the
range specified.
Instrument cannot be Batteries dead. Change batteries.
switched on.
Instrument switches itself off. The instrument switches itself Switch the instrument on. -
off automatically as per the If required: To change the
configured Auto-off-Time. Auto-Off-Time see how to
set up the instrument.
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