User's Manual
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testo Instruments Manuals
Electronics
Flowhood
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Table Of Contents
user manual
1 Contents
2 Safety and the environment
2.1. About this document
Use
Symbols and writing standards
2.2. Ensure safety
2.3. Protecting the environment
3 Specifications
3.1. Use
3.2. Technical data
3.2.1. Bluetooth module
3.2.2. General technical data
4 Product description
4.1. Overview
4.1.1. Measurement setup
4.1.2. Overview of testo 420
Instrument status icons:
Control keys
5 First steps
Inserting batteries/rechargeable batteries
Implementing settings
6 Using the product
6.1. Switching Bluetooth® on and off
6.2. Settings for the measurement
6.2.1. Damping (gliding average)
6.2.2. Hood calibration
6.2.3. Zeroing interval (automatic zeroing)
6.3. Volume flow measurement setup
Standard hood (610x610 mm, scope of delivery; 360x360, accessories)
Large hood (1220x610 and 1220x305, accessories)
Attaching the measuring instrument
6.4. Measuring
6.4.1. Volume flow measurement
6.4.2. Pitot tube measurement
6.4.3. Differential pressure measurement
6.5. Saving
Open folder
Delete folder
Set as Logging Folder
Total Volume Flow
6.6. Transferring measurement data to the PC
7 Maintaining the product
7.1. Cleaning the instrument
8 Tips and assistance
8.1. Questions and answers
8.2. Error messages
8.3. Accessories and spare parts
FCC说明书 RF警语
0970 4200 de 01 V01.00
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