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TESTO 112 Instruction Manual

Ntc-/pt100 measuring instrument
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Instruction manual
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10. Accessories/spare parts ....................................17
roducts Online at:
NTC- / Pt100 measuring instrument
General notes ......................................................2
Safety advice........................................................3
Intended purpose ................................................4
Product description ..............................................5
3.1
Display and control elements ..........................................5
3.2
Interfaces ........................................................................6
3.3
Voltage supply ................................................................6
Commissioning ....................................................7
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
Measuring ..........................................................12
Care and maintenance ......................................14
Questions and answers ......................................15
Technical data ....................................................16
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Summary of Contents for TESTO 112

  • Page 1: Table Of Contents

    112 NTC- / Pt100 measuring instrument Instruction manual Contents General notes ............2 Safety advice............3 Intended purpose ..........4 Product description ..........5 Display and control elements ..........5 Interfaces ................6 Voltage supply ..............6 Commissioning ............7 Operation ............8 Connecting a probe ............8 Switching the instrument on / off ........8 Switching the display light on / off ........9...

  • Page 2: General Notes

    General notes 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.

  • Page 3: Safety Advice

    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.

  • Page 4: Intended Purpose

    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.

  • Page 5: Product Description

    3. Produktbeschreibung 5 Product description This chapter provides an overview of the components of the product and their functions. 3.1 Display and control elements Overview Infrared interface, probe socket Display Control buttons Battery compartment (rear) Button functions Button Functions Switch instrument on; switch instrument off (press and hold) Switch display light on / off Keep reading, display...

  • Page 6: Interfaces

    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.

  • Page 7: Commissioning

    4. Commissioning 7 Commissioning This chapter describes the steps required to commission the product. Removing t t he p p rotective f f ilm o o n t t he d d isplay: Pull the protective film off carefully. Inserting a a b b attery/rechargeable b b attery: To 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.

  • Page 8: Operation

    (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.

  • Page 9: Switching The Display Light On / Off

    5. Operation 9 Switching t t he i i nstrument o o ff: Press and hold (for approx. 2s) until the display goes out. 5.3 Switching the display light on / off Switching t t he d d isplay l l ight o o n/off: The instrument is switched on.
  • Page 10 5. Operation on was selected: to set the value for the upper alarm threshold ( ) and confirm with to set the value for the lower alarm threshold ( ) and confirm with To s s et t t he m m ax./min. p p rint f f unction: Configuration mode is opened, MaxMin is flashing.
  • Page 11 5. Operation 11 To s s et t t he u u nit o o f m m easurement: Configuration mode is opened, UNIT is lit. Select the desired unit of measurement with and confirm with To r r eset: Configuration mode is opened, RESET is lit.

  • Page 12: Measuring

    6. Measuring Measuring This chapter describes the steps that are required to perform measurements with the product. Taking a a m m easurement: The 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: flashes and a signal tone is given.
  • Page 13 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.

  • Page 14: Care And Maintenance

    7. Care and maintenance Care and maintenance This chapter describes the steps that help to maintain the functionality of the product and extend its service life. Cleaning t t he h h ousing: Clean the housing with a moist cloth (soap suds) if it is dirty.

  • Page 15: Questions And Answers

    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 guarantee card or on the Internet under www.testo.com . GlobalTestSupply www.

  • Page 16: Technical Data

    9. Technical data 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 YSTEM ACCURACY Probe 1x mini DIN socket for Pt100 or NTC temperature probe Measuring rate Operating temperature range -20...+50°C / -4...+122°F Storage temperature...

  • Page 17: Accessories/Spare Parts

    0609 1273 Efficient, robust air probe, Pt100 0609 1773 Miscellaneous TopSafe testo 112, protects from impact and dirt particles 0516 0221 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...
  • Page 18 Notes GlobalTestSupply www. .com roducts Online at: sales@GlobalTe...
  • Page 19 Notes 19 GlobalTestSupply www. .com roducts Online at: sales@GlobalTe...
  • Page 20 AG Postfach 11 40, 79849 Lenzkirch Testo-Straße 1, 79853 Lenzkirch Telefon: (0 76 53) 6 81 - 0 Fax: (0 76 53) 6 81 - 1 00 E-Mail: info@testo.de Internet: http://www.testo.com 0977.1121/02/T/dr/14.03.2006 GlobalTestSupply www. .com roducts Online at: sales@GlobalTe...

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