TESTO 112 Manual de usuario

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Instruction manual en

Руководство пользователя ru

testo 112

NTC- / Pt100 measuring instrument

testo 112

Измерительный прибор NTC- / Pt100

Contents

General notes.....................................................................2

1. Safety advice ......................................................................3

2. Intended purpose..............................................................4

3. Product description..........................................................5

3.1 Display and control elements ...................................................... 5

3.2 Interfaces......................................................................................... 6

3.3 Voltage supply................................................................................ 6

4. Commissioning.................................................................7

5. Operation...........................................................................8

5.1 Connecting a probe....................................................................... 8

5.2 Switching the instrument on / off ............................................... 8

5.3 Switching the display light on / off ............................................. 9

5.4 Performing settings ....................................................................... 9

6. Measuring ........................................................................12

7. Care and maintenance ...................................................14

8. Questions and answers...................................................15

9. Technical data .................................................................16

10. Accessories/spare parts ..................................................18

1. Safety advice 3

1. Safety advice

This chapter gives general rules which must be followed and

observed if the product is to be handled safely.

Avoid personal injury/damage to equipment

>Do not use the measuring instrument and probes to measure

on or near live parts.

>Never store the measuring instrument/probes together with

solvents and do not use any desiccants.

Product safety/preserving warranty claims

>Operate the measuring instrument only within the

parameters specified in the Technical data.

>Always use the measuring instrument properly and for its

intended purpose. Do not use force.

>Do not expose handles and feed lines to temperatures in

excess of 70 °C unless they are expressly permitted for higher

temperatures.

Temperatures given on probes / sensors relate only to the

measuring range of the sensors.

>Open the instrument only when this is expressly described

in the documentation for maintenance and repair purposes.

Carry out only the maintenance and repair work that is

described in the documentation. Follow the prescribed steps

when doing so. For safety reasons, use only original spare

parts from Testo.

Ensure correct disposal

>Take faulty rechargeable batteries/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.

General notes

2

General notes

This chapter provides important advice on using this

documentation.

The documentation contains information that must be applied

if the product is to be used safely and efficiently.

Please read this documentation through carefully and

familiarise 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.

Identification

Representation Meaning Comments

Note Offers helpful tips and information.

â, 1, 2 Objective Denotes the objective that is to be

achieved viathe stepsdescribed. Where

steps are numbered, you must always

follow the order given!

3Condition Aconditionthatmust bemetif anaction

is to be carried out as described.

>, 1, 2, ... Step Carry out steps. Where steps are

numbered, you must always follow

the order given!

Text Display text Textappears on the instrument display.

Button Control button Press the button.

- Result Denotes the result of a previous step.

ëCross-reference Refers to more extensive or detailed

information.

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3. Produktbeschreibung 5

3. Product description

This chapter provides an overview of the components of the

product and their functions.

3.1 Display and control

elements

Overview

ÀInfrared interface, probe socket

ÁDisplay

ÂControl buttons

ÃBattery compartment (rear)

Button functions

Button Functions

Switch instrument on;

switch instrument off (press and

hold)

Switch display light on / off

Keep reading, display maximum/

minimum value

Open/leave configuration mode

(press and hold);

In configuration mode:

Confirm input

In configuration mode:

Increase value, select option

In configuration mode:

Reduce value, select option

Print data

2. Intended purpose

4

2. Intended purpose

This chapter gives the areas of application for which the

product is intended.

Use the product only for those applications for which it was

designed. Ask Testo if you are in any doubt.

testo 112 is a compact, accurate measuring instrument for

measuring temperatures by means of plug-in temperature

probes. Thanks to the possibility of connecting not only NTC

probes, but also Pt100 probes, the testo 112 covers a wide

measurement range and at the same time provides a high level

of measurement accuracy.

The following components of the product are designed for continuous

contact with foodstuffs in accordance with the regulation

(EC) 1935/2004:

The measurement probe up to 1 cm before the probe handle or the plastic

housing. If provided, the information about penetration depths in the

instruction manual or the mark(s) on the measurement probes should be

noted.

The product was designed for the following tasks/applications:

· Food sector

· Laboratories

· Applications requiring official calibration (only relevant for

Germany):

The testo 112 is approved for official calibration by the

Physikalisch-Technisches Institut PTB (national metrology

institute in Germany).

Approval mark:

The product should not be used in the following areas:

· Areas at risk of explosion

· Diagnostic measurements for medical purposes

enfresitptsvnl????

4. Commissioning 7

4. Commissioning

This chapter describes the steps required to commission the

product.

ãRemoving the protective film on the display:

>Pull the protective film off carefully.

ãInserting a battery/rechargeable battery:

1To open the battery compartment on the rear of the

instrument, push the lid of the battery compartment in

the direction of the arrow and remove it.

2Insert a battery/rechargeable battery (9V monobloc).

Observe the polarity!

3To close the battery compartment, replace the lid of the

battery compartment in position and push it against the

direction of the arrow.

3. Production description

6

Important displays

Display Meaning

Battery capacity (bottom right in display):

· 4 segments in the battery symbol are lit: Instrument battery is fully

charged

· No segments in the battery symbol are lit: Battery is almost spent

Print function: Readings are sent to the printer

Upper alarm limit: Lit if exceeded

Lower alarm limit: Lit if undershot

3.2 Interfaces

Infrared interface

Measurement data can be sent to a Testo printer via the

infrared interface on the head of the instrument.

Probe socket

A plug-in measuring probe can be connected via the probe

socket on the head of the instrument.

3.3 Voltage supply

Voltage is supplied by means of a 9V monobloc battery

(included in delivery) or rechargeable battery. It is not possible

to run the instrument from the mains supply or charge a

rechargeable battery in the instrument.

enfresitptsvnl????

5. Operation 9

ãSwitching the instrument off:

>Press and hold (for approx. 2s) until the display goes

out.

5.3 Switching the display light

on / off

ãSwitching the display light on/off:

3The instrument is switched on.

>Press .

5.4 Performing settings

1To open configuration mode:

3The instrument is switched on and is in measurement

view. Hold, Max or Min are not activated.

>Press and hold (for approx. 2s) until the display

changes.

- The instrument is now in configuration mode.

You can change to the next function with .

You can leave configuration mode at any time. To do so,

press and hold (for approx. 2s) until the instrument

has changed to measurement view. Any changes that have

already been made in configuration mode will be saved.

2To set the alarm function:

3Configuration mode is opened, ALARM is lit.

1Select the desired option with / and confirm

with :

· oFF: Switches the alarm function off.

· on: Switches the alarm function on.

oFF was selected:

ëContinue with objective T   ./. 

.

5. Operation

8

5. Operation

This chapter describes the steps that have to be executed

frequently when using the product.

5.1 Connecting a probe

Plug-in probes

Plug-in probes must be connected before the measuring

instrument is switched on so that they are recognised by the

instrument.

>Insert the connector of the probe into the probe socket.

5.2 Switching the instrument

on / off

ãSwitching the instrument on:

>Press .

- A segment test is carried out: All LCD-segments in the

display briefly light up.

- A function test of the instrument and the probe

is carried out. The instrument tests the entire

measurement channel regarding the adherence to

allowed margins of error.

The type of probe attached is displayed for approx.2s

(NTC or Pt 100).

An error is detected:

- rEF Error is displayed for approx. 2s, then ----- is

displayed. Please contact your dealer or Testo

customer service.

The function test was successful:

- Measurement view is opened: The current reading is

displayed.

enfresitptsvnl????

5. Operation 11

6To set the unit of measurement:

3Configuration mode is opened, UNIT is lit.

>Select the desired unit of measurement with /

and confirm with .

7To reset:

3Configuration mode is opened, RESET is lit.

>Select the desired option with / and confirm

with :

· no: Instrument is not reset.

· Yes: Instrument is reset. The instrument is reset to the

factory settings.

The setting of date / time is not reset.

- The instrument returns to measurement view.

5. Operation

10

on was selected:

2Use / to set the value for the upper alarm

threshold ( ) and confirm with .

3Use / to set the value for the lower alarm

threshold ( ) and confirm with .

3To set the max./min. print function:

3Configuration mode is opened, MaxMin is flashing.

>Select the desired option with / and confirm

with :

· on: Maximum and minimum values are printed out as

well when current or recorded readings are printed.

· oFF: Maximum and minimum values are not printed

out as well when current or recorded readings are

printed.

4To set Auto Off:

3Configuration mode is opened, AutoOff is flashing.

>Select the desired option with / and confirm

with :

· on: The measuring instrument switches off

automatically if no button is pressed for 10min (Hold

or Auto Hold is lit).

· oFF: The measuring instrument does not switch itself

off automatically.

5To set the date/time:

3Configuration mode is opened, YEAR is lit.

1Use / to set the current YEAR and confirm with

.

2Use / to set the other values for the month

(MONTH), day (DAY) and time (TIME) and confirm each

one with .

enfresitptsvnl????

6. Measuring 13

ãResetting the maximum/minimum values:

The maximum/minimum values of all channels can be reset

to the current reading.

1Press several times until Max or Min lights up.

2Press and hold (approx. 2s).

- All maximum or minimum values are reset to the

current reading.

ãPrinting readings:

The readings shown on the display (current reading,

recorded reading or max./min. reading) can be printed out.

A Testo printer is required (accessory part).

With the Max./Min. print function switched on, the

maximum and minimum values are printed out as well as

the current reading or recorded reading.

ëSee the chapter P .

1Configure the instrument so that the value to be printed

is shown on the display.

2Press .

- The printout starts. On the printout appears:

· The measurement value

· The date and time

Only relevant for applications requiring official

calibration in Germany:

· A protocol line with the text:

Der ausgedruckte Messwert stimmt mit der

Anzeige

des geeichten Messgeräts überein. (The printed

measurement value corresponds to the display of

the officially calibrated measuring instrument.)

· A signature line

6. Measuring

12

6. Measuring

This chapter describes the steps that are required to perform

measurements with the product.

ãTaking a measurement:

3The instrument is switched on and is in measurement

view.

>Put the probe in position and read off the readings.

With the alarm function on and if the alarm threshold is

exceeded or undershot:

- or flashes and a signal tone is given.

- The alarm goes out if the reading goes below the upper

or above the lower threshold again.

ãHolding the reading, displaying the maximum/minimum

value:

The current reading can be recorded. The maximum and

minimum values (since the instrument was last switched on)

can be displayed.

>Press several times until the desired value is

displayed.

- The following are displayed in turn:

· Hold: the recorded reading

· Max: Maximum value

· Min: Minimum value

· The current reading

- In addition to the maximum or minimum readings,

the 2nd reading line shows the current reading.

enfresitptsvnl????

8. Questions and answers 15

8. Questions and answers

This chapter gives answers to frequently asked questions.

Question Possible causes Possible solution

is lit (bottom right · Instrument battery is · Replace instrument

in display). almost spent. battery.

Instrument switches · Auto Off function · Switch function off.

itself off automatically. is switched on.

· Residual capacity · Replace battery.

of battery is too low.

Display: ----- · Probe is not plugged in. · Switch instrument off,

connect probe and

switch instrument

back on again.

· Probe break. · Pleasecontactyour

dealer or Testo

Customer Service.

Display reacts slowly · Ambient temperature · Raise ambient

is very low. temperature.

Display: uuuuu · Permitted measuring · Keep to permitted

range was undershot. measuring range.

Display: ooooo · Permitted measuring · Keep to permitted

range was exceeded. measuring range.

Display: rEF Error · Reference measurement· Please contact your

out of tolerance of dealer or Testo

±0.1°C Customer Service.

If we are unable to answer your question, please contact your

dealer or Testo Customer Service. Contact details can be found

on the Internet under www.testo.com.

enfresitptsvnl????

7. Care and maintenance

14

7. Care and maintenance

This chapter describes the steps that help to maintain the

functionality of the product and extend its service life.

âCleaning the housing:

>Clean the housing with a moist cloth (soap suds) if it is

dirty. Do not use aggressive cleaning agents or solvents!

âChanging the battery/rechargeable battery:

3The instrument is switched off.

1To open the battery compartment on the rear of the

instrument, push the lid of the battery compartment in

the direction of the arrow and remove it.

2Remove the spent battery/rechargeable battery and insert

a new battery/rechargeable battery

(9 V monobloc). Observe the polarity!

3To close the battery compartment, replace the lid of the

battery compartment in position and push it against the

direction of the arrow.

Declaration of Conformity

10. Accessories / spare parts 17

enfresitptsvnl????

9. Technical data

16

9. Technical data

Instrument

Characteristic Value

Parameters Temperature (°C / °F)

Measuring range Pt100 probe: -50...+300°C / -58...+572 °F

NTC probe: -50...+120°C / -58...+248 °F

Resolution 0.1 °C / 0.1 °F

Accuracy ëSee S 

Probe 1xminiDINsocketforPt100orNTCtemperatureprobe

Measuring rate 2/s

Operating temperature range -20...+50 °C / -4...+122 °F

Storage temperature -30...+70 °C / -22...+158 °F

Voltage supply 1x 9 V monobloc battery/rech. battery

Battery life approx. 70 h

Protection class withTopSafe(accessorypart)and probeconnected: IP 65

EC Directive 2014/30/EC

Warranty 2 years

System accuracy

Measuring range Instrument Probe System

Measuring instrument + NTC temperature probe

-50.0°C...-25.1°C ±1% of reading ±0.7% of reading ±1.8%ofreading

-25.0...+40.0°C ±0.2°C ±0.2°C ±0.5°C

+40.1...+80.00°C ±0.3°C ±0.4°C ±0.8°C

+80.1...+120.0°C ±0.5°C ±0.6°C ±1.2°C

Measuring instrument + Pt100 temperature probe

-50.0...-25.1°C ±0.2°C ±0.3°C ±0,6°C

-25.0...+40.0°C ±0.2°C ±0.2°C ±0.5°C

+40.1...+140.0°C ±0.2°C ±0.4°C ±0.7°C

+140.1...+200.0°C ±0.2°C ±0.6°C ±0.9°C

+200.1...+300.0°C ±0.3°C ±0.8°C ±1.2°C

18

10. Accessories/spare

parts

Name

Part no.

NTC probes

Water-proof NTC immersion/penetration probe 0613 1212

Water-proof NTC surface probe for smooth surfaces 0613 1912

Efficient, robust air probe, NTC 0613 1712

Stainless steel NTC food probe, calibratable 06142211

Robust NTC food pentration probe with special handle, calibratable06142411

Pt100 probes

Robust, water-proof Pt100 immersion/penetration probe 06091273

Efficient, robust air probe, Pt100 0609 1773

Miscellaneous

TopSafe testo 112, protects from impact and dirt particles 05160221

For a complete list of all accessories and spare parts, please

refer to the product catalogues and brochures or look up our

website: www.testo.com

Руководство пользователя ru

testo 112

Измерительный прибор NTC- / Pt100

Оглавление

Общие сведения..........................................................20

1. Рекоммендации по безопасности ................................. 21

2. Предназначение ..........................................................22

3. Описание прибора .......................................................23

3.1 Дисплей и элементы управления...............................................23

3.2 Интерфейсы............................................................................24

3.3 Питание..................................................................................24

3.4 Программное обеспечение.......................................................24

4. Начало работы.............................................................26

5. Работа с прибором ......................................................27

5.1 Подсоединение зонда ..............................................................27

5.2 Включение/Выключение прибораf.............................................28

5.3 Включение/Отключенние подсветки дисплеяf.............................28

5.4 Настройка прибора..................................................................28

6. Измерение ................................................................. 31

7. Уход и обслуживание....................................................33

8. Вопросы и ответы ........................................................34

9. Технические данные.....................................................35

10. Принадлежности/Запасные части..................................37