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 HT2234N

 

 

EN - 3 

2. INSTRUMENT DESCRIPTION 

The HT2234N meter performs the hereunder tests: 

  RPM and RPS speed measures with and without contact 

  m/min, ft/min and yd/min surface speed measures 

 Events 

counter 

 MAX/MIN/AVE 

functions 

 

3.  PREPARING TO USE 

3.1. INITIAL 

This instrument has been checked mechanically and electrically prior to shipment. Every 
care has been taken to ensure that the instrument reaches you undamaged. 
 
However, it is wise to carry out a rapid check in order to detect any possible damage which 
might have been caused during transport. Should this be the case, immediately enter the 
usual claims with courier. 
 
Check the packaging contained according 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 

VOLTAGE 

The instrument is battery supplied. It uses four battery model 1.5V AA UM3 type included 
in the packaging. When the batteries are low the symbol "

B

 " is displayed. To replace 

batteries follow the instructions indicated in chapter 6.2. 
 

3.3. CALIBRATION 

The instrument fulfils the technical characteristics listed in this manual. The performance of 
the specifications are guaranteed for one year. 
 

3.4. STORAGE 

In order to guarantee the accuracy of the measurements, after a period of storage in 
extreme environment condition, wait for the time necessary so that the apparatus returns 
to normal measuring conditions (see environments specifications paragraph 7.2). 
 
 
 
 
 

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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