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testo 174
Data loggers
0572 1740 01
0572 1741 01
User manual

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Summary of Contents for TESTO 174

  • Page 1 174 Data loggers 0572 1740 01 0572 1741 01 User manual...
  • Page 2: Table Of Contents

    Maintaining the product ..............12 Changing batteries ................12 Cleaning the instrument ............... 13 Technical data ..................14 testo 174T .................... 14 testo 174H .................... 15 Tips and assistance ................16 Questions and answers ................ 16 Accessories and spare parts ..............16...
  • Page 3: About This Document

    Do not store the product together with solvents. • Do not use any desiccants. • Only perform maintenance and repair work on this instrument that is described in this documentation. Follow the prescribed steps exactly when doing the work. • Use only original spare parts from Testo.
  • Page 4 2 Safety and disposal Batteries • Improper use of batteries may cause the batteries to be destroyed, or lead to injury due to current surges, fire or escaping chemicals. • Only use the batteries supplied in accordance with the instructions in the instruction manual.
  • Page 5: Disposal

    The testo 174 data loggers are used for storing and reading out individual readings and series of measurements. Readings are measured and stored with testo 174 and transmitted to the PC via the interface, where they can be read out and evaluated using the testo ComSoft software.
  • Page 6: Product Description

    2 Operating button Only testo 174H: Opening Battery compartment with battery for humidity sensor protection strip Only testo 174H: Cover of maintenance opening of humidity sensor – may only 5 Cover of USB-C interface be opened by the service department Symbol explanation Observe instruction manual Do not dispose of old appliances with household waste.
  • Page 7: Display

    4 Product description Declaration of conformity: Products marked with this symbol comply with all applicable Community regulations of the European Economic Area. Test symbol of the FCC in the USA Declaration of conformity: Products marked with this symbol comply with all applicable Community regulations of the United Kingdom.
  • Page 8: Button Functions

    4 Product description - Battery icon off: Battery empty (measurement program was stopped). Read out data and change battery. Lower alarm value: Upper alarm value - Flashes: programmed - Flashes: programmed alarm alarm value is shown value is shown - Lights up: programmed - Lights up: programmed alarm alarm value was undershot value was exceeded...
  • Page 9: First Steps

    5 First steps 5 First steps Releasing/securing data logger The data logger is delivered secured. Releasing data logger Push both locks on the bottom of the wall bracket outwards. Slide data logger out of the wall bracket. Securing data logger Slide data logger into the wall bracket.
  • Page 10: Activating Batteries

    The instructions for the installation and operation of the software can be found in the testo ComSoft instruction manual that is downloaded together with the software. Connect the connection cable to the USB-C interface of the data logger.
  • Page 11: Using The Product

    It is available in the Internet as a free download requiring registration www.testo.com/download-center. The instructions for the installation and operation of the software can be found in the testo ComSoft instruction manual (0970 0468) that is downloaded together with the software. Mounting wall bracket Mounting materials (e.g.
  • Page 12: Maintaining The Product

    The running measurement program is stopped when the battery is changed. The stored data are preserved, however. Remove the data logger from the wall bracket. Read out stored data, see testo ComSoft software instruction manual (0970 0468).  If it is no longer possible to read out the stored data because the battery capacity is too low: Change batteries and then read out the stored data.
  • Page 13: Cleaning The Instrument

     The current reading is shown on the display screen. The data logger must be reconfigured. To do so, the testo ComSoft software must be installed on the computer and a connection to the data logger must be set up (see Connecting data logger to PC).
  • Page 14: Technical Data

    8 Technical data 8 Technical data Characteristic Values testo 174T: -30 ... +70 °C / -22 … +158 °F Operating temperature testo 174H: -20 ... +70 °C / -4 … +158 °F -40 ... +70 °C / -40 … +158 °F Storage temperature 0 …...
  • Page 15: Testo 174H

    For continuous applications in high humidity (> 80% RH at ≤ 30°C for > 12 h, > 60% RH at > 30°C for > 12 h), please contact us via www.testo.com/service- contact. Valid for t99. When measuring with t90, measurement value may be out of...
  • Page 16: Tips And Assistance

    PC to the data logger. It changes back again after approx. 8 seconds. In this case, there is no error! If you have any questions, please contact your dealer or Testo Customer Service. The contact details can be found on the back of this document or on the Internet at www.testo.com/service-contact.
  • Page 18 Testo SE & Co. KGaA Celsiusstraße 2 79822 Titisee-Neustadt Germany Telefon: +49 7653 681-0 E-Mail: info@testo.de Internet: www.testo.com 0970 1740 en 01 – 11.2024...

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174t174h0572 1740 010572 1741 01

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