HT Italia HT3305 User Manual Download Page 4

 

 

HT3305

 

 

 

EN - 3

1.2. DURING 

USE 

Please carefully read the following recommendations and instructions: 

 

 

CAUTION 

 

 

Never press the trigger 

T

 when symbol 

 is displayed and the instrument 

is directed towards the eyes. The instrument emits a laser pointer. 

 

If the target has a smooth surface reflecting the laser, prevent the laser from 
beaming your eyes. 

 If 

symbol

  “

 is displayed during use, interrupt testing and replace the 

batteries according to the procedure described in § 6.2 

 

Be extremely careful when the laser pointer is turned on. 

 

Do not direct the instrument, especially the laser beam, towards people or 
animals. 

  When using the laser pointer, be careful no to direct the beam onto a 

reflective surface which could reflect the beam into your eyes. 

 

Never radiate the laser if flammable gas is present. 

 

1.3. AFTER 

USE 

If the instrument is not to be used for a long time, remove the batteries 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for HT3305

Page 1: ... Copyright HT ITALIA 2018 Release EN 1 00 21 03 2018 ENGLISH User manual ...

Page 2: ...s 5 4 3 Description of function keys 6 4 3 1 Trigger key T 6 4 3 2 key 6 4 3 3 key 6 4 3 4 MODE key 6 5 OPERATING INSTRUCTIONS 7 5 1 IR temperature measurement 7 5 2 K type temperature measurement 8 6 MAINTENANCE 9 6 1 General information 9 6 2 Battery replacement 9 6 3 Cleaning the instrument 9 6 4 End of life 9 7 TECHNICAL SPECIFICATIONS 10 7 1 Reference guidelines 10 7 2 General characteristics...

Page 3: ...of storage under extreme environmental conditions let the instrument resume normal operating conditions before using it Moving the thermometer quickly from a cold to a warm place it may condense on the focal lens from which infrared radiation is captured Wait until condensation is absorbed before taking measurements Do not touch the internal focal lens Make sure that the target is larger than the ...

Page 4: ...yes If symbol is displayed during use interrupt testing and replace the batteries according to the procedure described in 6 2 Be extremely careful when the laser pointer is turned on Do not direct the instrument especially the laser beam towards people or animals When using the laser pointer be careful no to direct the beam onto a reflective surface which could reflect the beam into your eyes Neve...

Page 5: ...mechanical point of view However we suggest you to check it rapidly to detect possible damage which may have occurred during transport In case you find out anomalies immediately contact the Dealer We also recommend checking that the packaging contains all components indicated in 7 4 In case the instrument should be returned please follow the instructions given in 8 1 3 2 INSTRUMENT POWER SUPPLY Th...

Page 6: ... 9 Battery cover cap 10 Battery pack Fig 1 Description of the instrument s parts 4 2 DESCRIPTION OF THE DISPLAYED SYMBOLS CAPTION 1 Data HOLD 2 Laser pointer activation 3 Alarms activation 4 C F symbol 5 Battery charge level 6 Emissivity value display 7 Secondary display 8 MAX MIN AVG DIF and K TYPE indications 9 Main LCD display 10 Measurement activation Fig 2 LCD display description ...

Page 7: ...rt 7 in the IR temperature measurement by pressing trigger T key The long press 2s of the MODE key allows to enter in the setup section of the instrument The cyclic pressure of the MODE key allows to pass passage from one parameter to another as shown in the following Fig 3 Use the arrow keys or to set the value with parameter flashing at display Fig 3 Setup parameters description The followed par...

Page 8: ... in order to get a correct temperature measurement 5 Make sure that the target whose temperature is to be measured is at least as large as the unit s spot see Fig 4 The smaller the object is the closer you should be to it Example if the distance from the object is 240mm 9 4inch the section of the object should be at least of 12mm 0 5inch for a correct temperature measurement When accuracy is criti...

Page 9: ...iglas 1 Open the protection cap of K type input terminal see Fig 1 part 8 and connect the K type probe respecting the indicated polarities see Fig 5 Fig 5 Connection of K type probe in the instrument 2 Switch on the instrument by pressing trigger key T and verify the K TYPE message in the top part of the secondary display 3 Connect the probe to the device under test 4 Press and hold Trigger key T ...

Page 10: ...CAUTION Only expert and trained technicians should perform this operation Before removing batteries disconnect all cables from input terminals 1 Unscrew the battery cover cap see Fig 1 part 9 and extract the battery pack see Fig 1 part 10 2 Remove the flat batteries insert new battery of the same type see 7 2 by respecting the indicated polarities see Fig 6 restore the battery pack and screw the b...

Page 11: ...N60825 1 Over range indication symbol at display K TYPE TEMPERATURE MEASUREMENT Function Range Resolution Accuracy Response time C 50 C 1000 C 0 1 C 2 0 C 50 C 0 C 0 5 rdg 1 5 C 0 C 1000 C 150ms 1000 C 1370 C 1 C F 58 F 1000 F 0 1 F 3 6 F 58 F 32 F 0 5 rdg 3 F 32 F 2498 F 1000 F 2498 F 1 C Accuracy of only instrument without probe 7 1 REFERENCE GUIDELINES EMC IEC EN61326 1 Laser source IEC EN60825...

Page 12: ...midity 10 RH 90 RH Storage temperature 10 C 60 C 14 F 140 F Storage humidity 80 RH This instrument complies with Directive EMC 2014 30 EU This instrument complies with European Directive 2011 65 EU RoHS and 2012 19 EU WEEE 7 4 ACCESSORIES PROVIDED Soft transport bag K type bead probe Batteries User manual ...

Page 13: ...uence of interventions performed by unauthorized personnel Modifications to the instrument performed without the manufacturer s explicit authorization Use not provided for in the instrument s specifications or in the instruction manual The content of this manual cannot be reproduced in any form without the manufacturer s authorization Our products are patented and our trademarks are registered The...

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