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 HT2234N

 

 

EN - 11 

6. MAINTENANCE 

6.1. GENERAL 

INFORMATION 

1.  This meter is a precision instrument. Whether in use or in storage, please do not 

exceed the specifications to avoid any possible damage or danger during use. 

2.  Do not keep this meter at high temperatures and/or humidity or expose to direct 

sunlight. 

3.  Be sure to turn the meter off after use. For long term storage, remove the battery to 

avoid leakage 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 meter with 

ON/OFF

 key. 

2.  Open the battery cover. 
3.  Replace the old batteries. 
4.  Insert new ones of the same 1,5V AA UM-3 type. 
5.  Reposition the battery cover. 
 

6.3. CLEANING 

To clean the instrument use a soft dry cloth. Never use wet clothes, solvents or water, etc. 
 

6.4. 

END OF LIFE 

 

CAUTION

: this symbol indicates that equipment and its accessories shall be 

subject to a separate collection and correct disposal. 

 

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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