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 HT2234N

 

 

EN - 2 

1. PRELIMINARY AND SAFETY 

This instrument conforms with safety Standard EN 61010-1 related to electronic measuring 
instruments. For your own safety and to avoid damaging the instrument follow the 
procedures described in this instruction manual and read carefully all notes preceded by 
this symbol 

 
When taking measurements: 
 

  Avoid doing that in rooms where explosive gas, combustible gas, steam or excessive 

dust is present. 

  Avoid doing that if you notice anomalous conditions such as breakages, deformations, 

fractures, leakages of battery liquid, blind display etc. 

 
 

CAUTION 

 

 

 

For your own safety as well as that of the apparatus you are recommended to 
follow the procedures described in this instruction manual and carefully read all 
the notes preceded by the symbol 

 
 

1.1. PRELIMINARY 

INSTRUCTION 

  Only the accessories supplied with the instrument guarantee compliance with the 

safety standards. They must be in good conditions and must be replaced, if necessary, 
with identical models. 

  Do not effect any measurement under conditions beyond the limits specified in chapter 

7. 

  Check that batteries have been placed correctly. 

 

1.2. 

DURING USE  

Carefully read the following recommendations and instructions: 
 
 

 

CAUTION 

 

No compliance with the Warnings and/or Instructions may damage the 
apparatus and/or its components or injure the operator. 

 
 

 

CAUTION 

 

If the symbol “

B

” is displayed during use interrupt testing and replace 

batteries following the procedure described under paragraph 6.2. 

 
 

1.3. AFTRE 

USE 

  When the measurements are completed switch OFF the instrument. 

  Remove batteries when the apparatus remains unused for long periods. 

 

Summary of Contents for HT2234N

Page 1: ...Copyright HT ITALIA 2011 Release EN 1 04 17 10 2011 ENGLISH Instruction manual...

Page 2: ...INSTRUCTIONS 6 5 1 SPEED MEASURE WITHOUT CONTACT 6 5 2 SPEED MEASURE WITH CONTACT 7 5 3 SPEED MEASURES ON SURFACES M MIN FT MIN YD MIN 8 5 4 EVENTS COUNTER WITH EXTERNAL LIGHT SOURCE 9 5 5 EVENTS COUN...

Page 3: ...manual and carefully read all the notes preceded by the symbol 1 1 PRELIMINARY INSTRUCTION Only the accessories supplied with the instrument guarantee compliance with the safety standards They must be...

Page 4: ...g to packaging list reported in paragraph 7 3 In case of discrepancies contact the dealer In the event of re shipment of the equipment please follow the instructions reported in chapter 8 3 2 SUPPLY V...

Page 5: ...Low battery indication 9 Start measure symbol 10 Results display bottom and clock display top for Hours Minutes 11 Emitting signal light beam Fig 1 front panel 4 2 KEYS DESCRIPTION UNIT key Press cicl...

Page 6: ...ivate any measures symbol is shown at display Press START key again to stop measures and hold the data at display H symbol is shown at display Press and hold ON OFF key at least 2s to turn OFF the met...

Page 7: ...ntact RPM 7 Press START key once and confirm that the red emitting LED lamp lights up and aimed to reflective tape symbol is shown at display 8 Press START key again to stop the measure H symbol is sh...

Page 8: ...r 4 Press UNIT key to select RPM unit 5 Press against the shaft of the object to be measured Do not press against the shaft too hard to avoid hazardus situation for operator 6 Press START key once to...

Page 9: ...select the desired m min ft min or yd min unit 4 Place the mechanical adaptor in contact with the surface on test like is shown on Fig 4 HT2234N START HOLD ON OFF Fig 4 speed measure on surfaces 5 Pre...

Page 10: ...cyclically UNIT key until selecting NO unit at display On this condition the meter shows values clear for each displays Internal clock with Hours and Minutes start the counter and AutoPowerOFF functio...

Page 11: ...ble counter symbol is shown at display 5 Press START key again to stop counter H symbol is shown at display 6 The result of counters and his duration is shown at display 7 Press FUNCTION key to reset...

Page 12: ...ge of battery fluid that can damage the internal components 6 2 BATTERIES REPLACEMENT When battery is low the symbol B is displayed to require replacement Consider the followed steps 1 Turn OFF the me...

Page 13: ...00 10000 0 01 0 1 1 yd min 4 00 3000 0 01 0 1 1 Events Counter Range Maximum input frequency 0 99999 10KHz with 5 duty cycle 7 2 GENERAL CHARACTERISTICS Display 5 digits 99999 counts Sampling Rate 0...

Page 14: ...t Repairs made necessary by previous attempts for repair carried out by non skilled or unauthorized personnel Instruments for whatever reason modified by the customer himself without explicit authoriz...

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