HT Italia HTA105 User Manual
  1. Manuals
  2. Brands
  3. HT Italia Manuals
  4. Measuring Instruments
  5. HTA105
  6. User manual

HT Italia HTA105 User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
ENGLISH
User manual
Copyright HT ITALIA 2018
Version EN 1.00 - 19/03/2018

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the HTA105 and is the answer not in the manual?

Questions and answers

Related Manuals for HT Italia HTA105

Summary of Contents for HT Italia HTA105

  • Page 1 ENGLISH User manual Copyright HT ITALIA 2018 Version EN 1.00 - 19/03/2018...

  • Page 2: Table Of Contents

    HTA105 Table of contents   PRECAUTIONS AND SAFETY MEASURES ............... 2   1.1.  Preliminary instructions ..................... 2  1.2.  During use ........................2  1.3.  After use ........................... 2  GENERAL DESCRIPTION ................... 3     PREPARATION FOR USE ................... 3    ...

  • Page 3: Precautions And Safety Measures

    HTA105 1. PRECAUTIONS AND SAFETY MEASURES The instrument has been designed in compliance with the safety directive relevant to electronic measuring instruments. In order to prevent damaging the instrument, please carefully follow the procedures described in this manual and read all notes preceded by symbol with the utmost attention.

  • Page 4: General Description

    HTA105 2. GENERAL DESCRIPTION The instrument has the following features:  Measurement of air speed through hot-wire sensor  Measurement of volumetric flow rate of air in m /min (CMM) and ft /min (CFM)  Measurement of air temperature in °C/°F with internal sensor ...

  • Page 5: Nomenclature

    HTA105 4. NOMENCLATURE 4.1. DESCRIPTION OF THE INSTRUMENT CAPTION: 1. Input terminal for telescopic probe 2. LCD display 3. Key MEAN 4. Key MAXMIN 5. Key FLOW/TEMP 6. Key HLD 7. Key UNIT 8. Key /SET 9. Key UNIT 10. Key ENT 11.

  • Page 6: Description Of Function Keys

    HTA105 4.3. DESCRIPTION OF FUNCTION KEYS 4.3.1. ON/OFF key Pressing key ON/OFF allows turning on/off the instrument. Upon start-up, the instrument carries out a countdown of 3s before displaying the measuring screen, in order to allow for the internal sensors heating.

  • Page 7: Instrument Settings

    HTA105 4.4. INSTRUMENT SETTINGS The instrument allows programming the following functions:  Measuring unit of the area of the duct in volumetric flow rate measurements  Size of the duct in volumetric flow rate measurements  Disabling the Auto Power OFF function 1.
  • Page 8 HTA105 Fig. 5: Enabling/disabling the Auto Power Off function 9. Press keys UNIT or UNIT to select options: (activation of Auto Power Off “ ” function) or (deactivation of Auto Power Off function) “ ” 10. With activated Auto Power Off function, symbol is shown on the display and the “...

  • Page 9: Operating Instructions

    HTA105 5. OPERATING INSTRUCTIONS 5.1. MEASUREMENT OF AIR SPEED AND TEMPERATURE CAUTION Do not touch not expose the internal sensors found on the top side of the telescopic probe to mechanical shocks, in order to prevent damaging them. Fig. 7: Measurement of air speed and temperature 1.

  • Page 10: Measuring Volumetric Flow Rate And Air Humidity

    HTA105 5.2. MEASURING VOLUMETRIC FLOW RATE AND AIR HUMIDITY CAUTION Do not touch not expose the internal sensors found on the top side of the telescopic probe to mechanical shocks, in order to prevent damaging them. 1. Insert the external probe on the top side by means of the relevant terminal (see Fig. 1 –...

  • Page 11: Calculating Average Values Of Quantities

    HTA105 5.3. CALCULATING AVERAGE VALUES OF QUANTITIES 5.3.1. Average value calculated by spots CAUTION Do not touch not expose the internal sensors found on the top side of the telescopic probe to mechanical shocks, in order to prevent damaging them.

  • Page 12: Average Value Calculated Over Time

    HTA105 5.3.2. Average value calculated over time CAUTION Do not touch not expose the internal sensors found on the top side of the telescopic probe to mechanical shocks, in order to prevent damaging them. 1. Insert the external probe on the top side by means of the relevant terminal (see Fig. 1 –...

  • Page 13: Maintenance

    HTA105 6. MAINTENANCE 6.1. GENERAL INFORMATION 1. While using and storing the instrument, carefully observe the recommendations listed in this manual in order to prevent possible damage or danger during use. 2. Do not use the instrument in environments with high humidity levels or high temperatures.

  • Page 14: Technical Specifications

    HTA105 7. TECHNICAL SPECIFICATIONS 7.1. TECHNICAL CHARACTERISTICS Accuracy is calculated as ±[%reading + value] at 25°C, <80%RH Measurement of air speed through hot-wire sensor Measuring unit Range Resolution Accuracy 0.10  20.00 0.01m/s 0.4  72.0 km/h 0.1km/h 20  3937 (5%rdg+ 0.03)

  • Page 15: Environment

    HTA105 7.2. ENVIRONMENT 7.2.1. Environmental conditions for use Reference temperature: 25°C (77°F) Operating temperature: 0°C ÷ 50°C (32°F ÷ 122°C) Allowable relative humidity: <80%RH Storage temperature: -10°C ÷ 60°C (14°F ÷ 140°F) Storage humidity: <80%RH Max operating altitude: 2000m (6562ft)

  • Page 16: Assistance

    HTA105 8. ASSISTANCE 8.1. WARRANTY CONDITIONS This instrument is warranted against any material or manufacturing defect, in compliance with the general sales conditions. During the warranty period, defective parts may be replaced. However, the manufacturer reserves the right to repair or replace the product.

Table of Contents