用户手册 — testo Instruments Co. Ltd 05600420

目录

• user manual

  1
  • 1 Contents

    2
  • 2 Safety and the environment

    3
    • 2.1. About this document

      3
      • Use

        3
      • Symbols and writing standards

        3
    • 2.2. Ensure safety

      4
    • 2.3. Protecting the environment

      4
  • 3 Specifications

    4
    • 3.1. Use

      5
    • 3.2. Technical data

      5
      • 3.2.1. Bluetooth module

        5
      • 3.2.2. General technical data

        6
  • 4 Product description

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    • 4.1. Overview

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      • 4.1.1. Measurement setup

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      • 4.1.2. Overview of testo 420

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        • Instrument status icons:

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        • Control keys

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  • 5 First steps

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    • Inserting batteries/rechargeable batteries

      12
    • Implementing settings

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  • 6 Using the product

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    • 6.1. Switching Bluetooth® on and off

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    • 6.2. Settings for the measurement

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      • 6.2.1. Damping (gliding average)

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      • 6.2.2. Hood calibration

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      • 6.2.3. Zeroing interval (automatic zeroing)

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    • 6.3. Volume flow measurement setup

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      • Standard hood (610x610 mm, scope of delivery; 360x360, accessories)

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      • Large hood (1220x610 and 1220x305, accessories)

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      • Attaching the measuring instrument

        18
    • 6.4. Measuring

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      • 6.4.1. Volume flow measurement

        19
      • 6.4.2. Pitot tube measurement

        19
      • 6.4.3. Differential pressure measurement

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    • 6.5. Saving

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      • Open folder

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      • Delete folder

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      • Set as Logging Folder

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      • Total Volume Flow

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    • 6.6. Transferring measurement data to the PC

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  • 7 Maintaining the product

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    • 7.1. Cleaning the instrument

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  • 8 Tips and assistance

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    • 8.1. Questions and answers

      21
    • 8.2. Error messages

      21
    • 8.3. Accessories and spare parts

      22
• FCC说明书 RF警语

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