HT Italia HT3320 User Manual
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HT Italia HT3320 User Manual

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ENGLISH
User manual
© Copyright HT ITALIA 2011
Release EN 1.00 - 29/07/2011

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Summary of Contents for HT Italia HT3320

  • Page 1 ENGLISH User manual © Copyright HT ITALIA 2011 Release EN 1.00 - 29/07/2011...

  • Page 2: Table Of Contents

    HT3320 Table of contents:   PRECAUTIONS AND SAFETY MEASURES ............... 3   1.1.  Preliminary instructions ......................3  1.2.  During use ..........................4  1.3.  After use ..........................4  GENERAL DESCRIPTION ................... 4     PREPARATION FOR USE ................... 5    ...
  • Page 3 HT3320 11.2.  Environment ........................28      11.2.1. Environmental conditions ....................... 28 11.3.  Accessories provided ......................28  11.4.  Optional accessories ......................28  SERVICE ........................29     12.1.  Warranty conditions ......................29  12.2.  Service ..........................29  EN - 2...

  • Page 4: Precautions And Safety Measures

    HT3320 1. PRECAUTIONS AND SAFETY MEASURES The instrument has been designed in compliance with the directives relevant to electronic measuring instruments. For your safety and in order to prevent damaging the instrument, please carefully follow the procedures described in this manual and read all notes preceded by the symbol with the utmost attention.

  • Page 5: During Use

    • If you expect not to use the instrument for a long period, remove the battery 2. GENERAL DESCRIPTION HT3320 is an innovative digital thermometer capable of carrying out infrared (IR) temperature measurements of objects, also providing a visual display of the object thanks to the in-built photo camera, perform IR videos, recording the temperature values (logger) and measuring temperature using a K-type probe.

  • Page 6: Preparation For Use

    HT3320 3. PREPARATION FOR USE 3.1. INITIAL CHECKS Before shipping, the instrument has been checked from an electric as well as mechanical point of view. However, we suggest you to check it rapidly, to detect possible damage which may have occurred during transport.

  • Page 7: Nomenclature

    HT3320 4. NOMENCLATURE 4.1. INSTRUMENT DESCRIPTION CAPTION: 1. LCD display 2. Function keys (see § 4.2) 3. Battery compartment cover 4. T key (Trigger) 5. Lens protection cover 6. In-built photo camera 7. Double laser pointer 8. IR sensor 9. In-built sensor for...

  • Page 8: Description Of The Symbols Shown On The Display

    HT3320 4.3. DESCRIPTION OF THE SYMBOLS SHOWN ON THE DISPLAY Symbol Description Symbol Description Data freezing on the display Photo camera activation (HOLD – releasing of T key) Activation of IR temperature Alarm for high temperature measurement without photo threshold exceeded activated...

  • Page 9: Setting System Parameters

    HT3320 5. SETTING SYSTEM PARAMETERS Every time it is switched on, the instrument shows the following general menu IR CAM IR MEASURE DEW POINT DATALOGGER DATA MEMORY SETTINGS Fig. 3: Instrument general menu Select item “SETTINGS” using the arrow keys and confirming with the ENTER key.

  • Page 10: Date/Time Setting

    HT3320 5.1. DATE/TIME SETTING In this section it is possible to set the system Date/Time. There are two options to set the Time: “24 hours” (00-24 format) or AM/PM. Date setting 1. Press the ENTER key to switch from a Date field to the other 2.

  • Page 11: Font Color Setting

    HT3320 5.4. FONT COLOR SETTING In this section it is possible to set the color of the font shown on the instrument’s display 1. Use the arrow keys to select the desired color, choosing among the available options: Orange, Green, Black, Blue, Gold and Purple (see Fig. 7) 2.

  • Page 12: Auto Power Off Setting

    HT3320 5.7. AUTO POWER OFF SETTING In this section it is possible to disable the Auto Power Off function of the instrument or to set a value among the available ones 1. Use the arrow keys to select the options: Disabled, 3 Min, 15 Min or 60 Min (see Fig.

  • Page 13: Memory Status Setting

    HT3320 5.10. MEMORY STATUS SETTING In this section it is possible to select the type of memory (internal or SD Card) in which to save the measured data. The instrument also provides indications on the used and on the free memory space.

  • Page 14: Setting Measuring Functions

    HT3320 6. SETTING MEASURING FUNCTIONS In each measuring mode (see § 7), by pressing the ENTER key, the instrument shows the following screen: MEASURE SET MEASURE SET Emissivity Dewpoint / Wetbulb Alarm High Type K Alarm Low Laser Auto Mode...
  • Page 15 HT3320 Material Emissivity Material Emissivity Zinc (oxidized) 0.1 (*) Carbon 0.95 Iron (polarized) Red brick (rough) 0.75 - 0.9 Tin-plated steel 0.1 (*) Fire clay 0.75 Gold (polished) 0.1 (*) Asbestos 0.95 Silver (polished) 0.1 (*) Cast iron (at 100°C) 0.45...

  • Page 16: Setting The Maximum Alarm Temperature Threshold

    HT3320 6.2. SETTING THE MAXIMUM ALARM TEMPERATURE THRESHOLD The instrument is provided with an acoustic alarm on IR temperature measurements; the alarm sounds when a maximum threshold which can be set up to 1000°C is exceeded. 1. Use the arrow keys to enable/disable the alarm (see Fig.

  • Page 17: Max/Min Display

    HT3320 6.6. MAX/MIN DISPLAY In this section it is possible to enable/disable the display of the Max and Min values of IR temperature. 1. Use the arrow keys to select the options: Off, On (see Fig. 20) 2. Press the ESC key to save and exit the function Fig.

  • Page 18: Temperature Display With K-Type Probe

    HT3320 6.10. TEMPERATURE DISPLAY WITH K-TYPE PROBE In this section it is possible to enable/disable the display of the temperature values measured with the k-type probe. 1. Use the arrow keys to select the options: Off, On (see Fig. 24) 2.

  • Page 19: Operating Instructions

    HT3320 7. OPERATING INSTRUCTIONS Upon start-up, the instrument shows the following 6 operating modes, which can be selected through the arrow keys , confirming with ENTER IR VIDEO IR MEASURE DEW POINT DATALOGGER DATA MEMORY SETTINGS Fig. 25: Instrument general menu...

  • Page 20: Ir Video Mode

    HT3320 7.3. IR VIDEO MODE This mode allows carrying out IR temperature measurement with the in-built photo camera, saving the images in standard JPG format, recording IR videos of IR temperature measurements saving them in 3GP format, measuring the air temperature/humidity with the in-built sensor and measuring temperature with type K probe (if enabled –...
  • Page 21 HT3320 8. Make sure that the object whose temperature is to be measured is at least as large as the unit’s spot (see Fig. 28). The smaller the object is, the closer you should be to it. When accuracy is critical, make sure the object is at least twice as large as the spot size.

  • Page 22: Infrared Temperature Measurement

    HT3320 7.4. INFRARED TEMPERATURE MEASUREMENT This mode allows rapidly measuring the IR temperature without using the in-built photo camera, further to carrying out air temperature/humidity/dew point/wet bulb measurements without saving them in the instrument’s memory. 1. Switch on the instrument and enter the “IR MEASUREMENT” mode 2.

  • Page 23: Dew Point Temperature Measurement

    HT3320 7.5. DEW POINT TEMPERATURE MEASUREMENT This mode allows displaying the dew point temperature, which is useful when making thermographic surveys for the construction sector, further to the normal IR temperature measures and air temperature/humidity measures. 1. Switch on the instrument and enter the “DEW POINT” mode 2.

  • Page 24: Datalogger Function

    HT3320 7.6. DATALOGGER FUNCTION In this mode, the instrument records the IR temperature and air temperature/humidity values with time scan and programmable alarm conditions on the measures. 1. Switch on the instrument and enter the “DATALOGGER” mode. 2. Set the desired values of the measurement parameters (see § 6) 3.

  • Page 25: Temperature Measurement With K-Type Probe

    HT3320 7.7. TEMPERATURE MEASUREMENT WITH K-TYPE PROBE WARNING • Do not compare the infrared temperature measurement with the measurements made with K-type thermocouples, since (because of the totally different nature of the two methods) the obtained values may differ remarkably •...

  • Page 26: Operations With The Memory

    HT3320 8. OPERATIONS WITH THE MEMORY The instrument allows saving, in the internal memory or in the external mini SD Card (see § 5.10), IR images in JPG format (640x480pxl), IR videos in 3GP format and recordings in BIN/TXT format. These data can be recalled on the display as follows: 1.

  • Page 27: Maintenance

    HT3320 MAINTENANCE 10.1. GENERAL 1. The instrument you purchased is a precision instrument. 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 28: Technical Specifications

    HT3320 TECHNICAL SPECIFICATIONS Accuracy is indicated as [% of reading + degree]. It is referred to the following reference conditions: temperature 18 ÷ 28 °C (64 ÷ 82 °F), humidity < 80 % RH. INFRARED TEMPERATURE MEASUREMENT Function Measuring range...

  • Page 29: Environment

    HT3320 11.2. ENVIRONMENT 11.2.1. Environmental conditions 0°C ÷ 50°C (32°F ÷ 122°F) Operating temperature: 10 ÷ 90%RH Operating humidity: –10°C ÷ 60°C (14°F ÷ 140°F) Storage temperature: Storage humidity: < 90%RH Max operating altitude: 2000m (6562ft) This instrument complies with European Directive EMC 2004/108/EC 11.3.

  • Page 30: Service

    HT3320 SERVICE 12.1. 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.

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