¤é¥»Án¾Ç»ö¾¹ ¹Å¨½¹F(²z¸£«ä)¤¤¤p¾Ç±Ð¨ã¤Î³Ð·N¬ì¾Ç¹êÅç»ö¾¹³]³Æ www.kelabhk.com Tel : (852)24300221

Singing Pipe °Ûºqª÷ÄݺÞ

­º¥ý§âª÷Äݺޥ[¼ö¡A¥u»Ý¤Q¼Æ¬í§âª÷Äݺިú¶}, §NªÅ®ð«K½Ä¤Jª÷Äݺޤº¦Ó§Î¦¨¤@ªÑ®ð¬y¡AºÞ¤º¦³¤@¶ôª÷Äݺô¡A¦¹®É«K¦¨¬°®ð¬yªº©T©w¤@­± (closed end) ¦@»ï«K²£¥Í¦Óµo¥Xªø©M’઺²ÃÁn ¦¹ºØ¬ì¾Ç²{¶H¬O«Ü¦³½ìªº¡A¾Ç¥Í­Ì³£¹É¹ÉºÙ©_¡C
Size 50 x 480mm dia.x L
Item no : JP 117-165 each set

Crystal Radio Äq¥Û®ð¦¬­µ¾÷ JAPAN

±µ¦¬¤j¦ÛµM¨C¨¤¸¨¤§¹qªi, §â¹qªiÂà¤Æ¬°Ánªi, §Q¥Îearphone¿ë§OÁn­µ¤j¤p¤Î¨Ó·½¤è¦V, ¨Ï¥ÎªÌ¥i±´´ú¥X¨º³B¸û¦h¤j®ð¹qªi. ª`·N : ¹qªi¶V±j¤§¦a¤è·|¹ï¤HÅé°·±d¦³¼vÅT. »ö¾¹¥Ñ¤T¨¤«¬©³ªO, ««ª½½u°é¤Î¥i½Õ¸`±´´ú´w²Õ¦¨, ¥b»s¦¨«~, »Ý°Ê¤â²Õ¦X¼W¥[¼Ö½ì .
Dimension : 200x120x120mm
Item no : JP 1-110-970
Spy Sound Detector Kit °»±´¶°­µ¾¹ JAPAN

¥Î§@»·¶ZÂ÷¦¬¶°·L²ÓÁn­µ, ³ßÅw³¥¥~Å¥¦ä³¾Án, Ų½à©øÂÎÁn¨Ã§Q¥Î¿ý­µ¾÷ºñ¤U©Ò¦¬¶°¤§Ä_¶QÁn­µ, ¦¬­µ¾¹ : 210 x 60mm ª½®| x «p«×
§Q¥Î¦¹®M»ö¾¹¥ç¥i©ó¾Ç²ßÁn­µ¶Ç»¼¤§¯S©Ê, ¦¬¶°¾¹³]­p¤§¯S©Ê, ¬Æ¨ãª«²z¬ì­ì²z¤§¹ê»ÚÀ³¥Î
Item no : JP 1-163-886
Amplitude Range Test Kit Án­µ¼W´T´ú¸Õ¾¹

±Mªù´ú¸ÕÁn­µªº´T«×°ª§C¡A¤­ºØ­µ¶¥¤§°ò·Ç­µ¡C
¥þ®M¥]¬A¤@®y°ª·P«×¦¬­µ¾¹¡A³s±µþÓ·s¤O¤p³â¥z¡C­µ¶¥µo¥Í¾¹1.2W AAA x 4 nos
°ò·Ç­µC2 (65.4Hz)-B2 (1975.5Hz)
´ú©w­µB0 (30.9Hz) - B7 (3951.1Hz)
Item no : JP 117-500 each set
Drum Sound Wave Set Án­µ¾_°ÊªÅ®ð¹êÅçÆr¹ª

Án­µªº¶Ç»¼¬O¥ÑªÅ®ðªº²É¤l®¶°Ê¶Ç»¼¨ì¤H­Ìªº¦Õ¦·¦A¸g¹L¤j¸£¤ÀªR¡C
³o®M¹êÅç¸Ë¸m¦³¨â­Ó¤pÆr¹ª¡A©ñ¸m¤@¨Ç¤p²y¦b¨ä¤¤¤@­ÓÆr¹ª¤W¡A¥Î´ÎºVÀ»¥t¤@­ÓÆr¹ª¡F³o¼Ë°µ¡A¤§«e®ÇÃ䪺Ær¹ª¤W¤§¤p²y·|¥Ñ©ó¦@»ï©MªÅ®ð²É¤lªº®¶°Ê¦Ó²£¥Í¸õ°Ê¡C«ü®M¸Ë¥ç¥]¬A¤@­Óª÷Äݬ[¦QµÛ¤p²y¡A¦bºV¥´¤pÆr¹ªªº¦P®É¨äªÅ®ð²É¤l¥ç·|¾_°Ê¦QµÛªº¤p²y¦P®É¾_°Ê¡C
Dimension of Drum ¡G200 x 120mm dia. x H
Item no : JP 117-300 each set

 

Specialist Tuning Fork Án­µ¦@»ï¹êÅç±M¥Î­µ¤e

±M¬°¥Ü½d¤@¯ë¦@»ï¹êÅç³]­p¡A»s³yºÞ¤º¦@»ï±`µùªi§Î°_¾_°Ê§@¥Î, ®¶°Ê¼Æ1700 Hz¦Xª÷»s³y¥þªø«×105mm
Item no : JP 117-256

Tuning Fork Resonance Box Set °ª¯Å¦@»ï­µ¤e²°

¤ì»s¦@¶ã²°, 2 ­Ó¿û»s­µ¤e²°400Hz, ½Õ¾ã¤pª÷ÄÝÀô¥i§ïÅÜ®¶°ÊÀW²v, ³Ì¤j¦@¶ã¶ZÂ÷¬ù5m,ªþª÷ÄݤpÝ´.
²°Åé¿n180 x 92 x 50mm
Item no : JP 117-060 each set
Strong Tuning Fork ±j¤O­µ¤e

±j¤O¤â«ù­µ¤e®¶°Ê®É¶¡¯Sªøµo­µÅT«G¡C¾A¦X¥Î§@Án­µ¤z¯A¹êÅç¡C
®¶°Ê¼Æ2000Hz ¥þªø225mm
¾_°ÊµÃªø72mm mass 500g, ªþ³]±M¥Îª÷ÄÝ»s¤pÂñ
Item no : JP 117-097each set

Sound In Water Expt. Kit ¤ô¤¤¶Ç­µ¹êÅç¾¹

¦¹¹êÅç¸Ë¸mÅý¾Ç¥Í¤@°_·P¨ü¦b¤ô¤¤Å¥Án­µªº¸gÅç¡C¸Ë¸m¥]¬A¤@®M¤­­ÓªºÅ¥­µºÞ¡A¤@­Ó¥Î°®¹q¦Àªºµo­µ·½¡A±Nµo­µ·½³s±µþÓ¤@­Ó¨¾¤ôªº¤p³â¥z¡F¤p³â¥z¦b¤ô¤¤µoÁn®É¡A¤­¦W¾Ç¥Í«K¥ÎÅ¥­µºÞ¦b¤ô­±ÅÑÅ¥¤ô¤¤ªºµo­µ¤p³â¥z¡A¬Ý¬Ý¤ô¤¤ªºÁn­µ¦³§_¥¢¯u©ÎÁn¶q³Qªý¡C
¨¾¤ô¤p³â¥z 48 x 45 x 80mm
µo­µ·½on/off³æ¤@¹q¦À¾Þ§@
¶ì½¦Å¥­µºÞ5ªT
Item no : JP 117-330 each set

Electronic Tune Producer ¹q¤l­µ¶¥µo­µ¾¹

¥i¾Þ§@5­µ¶¥¦~¤§°ò·Çµo­µ 1Hz ¦Ü 5Hz ¤§Åܧó, µo­µ·Ç½T¥Î§@¤ñ¸û­µ¶¥¬O·Ç½Tµ{«×©Î¾Ç²ß­µ¼Ö¬Oªº­µ¶¥½m²ß­µ¦Wªí¥Ü,
­µ¶¥ªí¥Ü
°ò·Ç­µ: C2 (65.4Hz) - B6 (1975.5Hz)
´ú©w½d³ò B0 (30.9Hz) - B7 (3951.1Hz)
Size : 159 x 90 x 46mm 270g
Item no : JP 117-130 each unit

Sound Source ¹êÅç¥Î­µ·½

2ªTAAA ¹q¦À size 40 x 50 x 100mm 2300Hz, ¥Î§@Ánªi¾Çªºµo­µ¨Ó·½¡A¨Ò¦p¡G²¾°Ê­µ·½¹êÅç¡B¯uªÅ¸n¤¤ªº­µ·½¡B»P¥~¨ÓÁn­µ¦@»ïªº´ú¸Õ¡C
Item no : JP 117-120

Paper Pipe ¯È²Ã

L§Îª¬¤§«pÍü¯È¡A¦p¹Ï©Ò¥Ü¹ïºP¤S¹ïºP¦Ü«K¥i»s³y¦¨¤@­Ó¯È»s²Ã¤l¡A¦¹ª±·N³Ì¯à±Òµo¥L­Ìªº¬ì¾Ç¿³½ì¡A©M¹ïÁn­µ¦@»ïµoÁn¾Ç¨ì¤@©w»{ÃÑ
Size 60 x 60mm , 1 pack of 100nos
Item no : JP 117-160 each pack


Resonance Apparatus ­µªi¤z¯AºÞ

¥Î§@´ú¸Õ­µªi±j®z¤§¹êÅç¡A±N¦¹¥ôªi¥ú¤z¯AºÞ©ñ¶iµo­µªi­µ·½ªþªñ¡A¦pªG­µªiÀW²v±µªñ«K¨£²£¥Í¦@»ï¦Ó®¶°Ê¡A ¤£¦PªºÀW²v«K¥i°µ¥X¤ñ¸û¡C
615 x 520 x 20mm ª÷ÄÝ»s³y¨âºÝ¶}¤f¤@Ã䦳ª÷Äݲ¾°Ê¯|½X§@§ïÅܦ@»ïÀW²v¤§¥Î¡A¶ZÂ÷ 0-450mm
Item no : JP 117-150
Sonometer ¦@»ï­µ½cµ^ (³æ·Æ½ü) MN-2

ºë¤u¤ì®Æ»s³y¡A¦³¨â¦æª÷Äݵ^²Í½u¡A¢°¦æ©¶½u¥Î·Æ½ü¨®§@¥½ºÝ¡A¥t¤@Ãä¥Îª÷Äݵ^©¶½Õ®ÕÁ³±Û´w¡C
©¶½uª½®| 0.3 & 0.6mm ¡A
¾_°Ê¶ZÂ÷60cm ´T12cm , mm division¡A
¥t¦³µ^¬W2­Ó¡A«á³Æ©¶2±ø¡C
Item no JP 117-200each set

Sonometer ¦@»ï­µ½cµ^ MN-3

ºë¤u¤ì®Æ»s³y¡A¦³¨â¦æª÷Äݵ^²Í½u¡Aª÷Äݵ^©¶½Õ®ÕÁ³±Û´w§@½Õ®Õµ^©¶ÃPºò¤§¥Î¡C
©¶½uª½®| 0.3 & 0.6mm ¡A
¾_°Ê¶ZÂ÷60cm
´T12cm , mm division¡A
¥t¦³µ^¬W2­Ó¡A«á³Æ©¶2±ø¡C
Item no JP 117-210

Air Vibration Demo Tube with Tuning Fork ªÅ®ð®¶°Ê¦@»ïºt¥ÜºÞ

¦¹¸Ë¸m¥Î§@¥Ü½dªÅ®ð¦@»ï©M±`µùªi¤§¦³Ãö¹êÅç¡C®¶°Ê¦@»ïºt¥ÜºÞ¬W¤ºªº²¾°Ê¶ZÂ÷¬ù24.5¦Ü 34.5cm¡AºÞ¤¤´²§G(¥ÛªQ¤l) ¡B¤â«ù1700Hz­µ¤e©ñªñºÞªº¤@ºÝ¡AºÞ¤ºªº¥ÛªQ¤l«K®¶°Ê°_¨Ó¡A§ó§Î¦¨¤@¬q¬qªiªº§ÎºA¤Î¦ì¸m¡C
¦@»ïºÞ28 x 500mm Dia x L,
­µ¤e1700Hz¡A
¥ÛªQ¤lI²~
Item no : JP 117-255
Air Vibration Tube with Electrical Sound Source ®ð¬W¦@»ï¹êÅç¾¹

¥Î§@¥Ü½d®ðÅé¦bºÞ¤¤ªº¦@»ï²{¶H¡AµoÁn­µ·½¶}µÛ®É§â¬¡¶ë´Î«e«á²¾°Ê¹F¦Ü¦@»ï¡AºÞ¤¤ª`¦³¤Ö³\¤ô¡A·í¦@»ï®É¤ôÅã¥Ü¥X¦@»ïÂIªº¦ì¸m¤è«K¨Ï¥ÎªÌ´ú©w¡C
¦@»ïºÞ¤Ø¤o 30 x 330mm dia. X L
¾ã¥x»ö¾¹³s¤Ø¤o 500 x 100mm
0-300mm division¹q¤l­µ·½½c 2300Hz AAA x 2 battery cell
Item no : JP117-260 each set
Cone Telephone ¶ÇÁnµ©¹q¸Ü

³Ì­ì©lªº¹q¸Ü¸Ë¸m¡A§Q¥ÎÁn­µ®¶°ÊªÅ®ð¤À¤l¦Ó¤¬¬Û¶Ç»¼¸Ü­µ¡C¦¹¹q¸Ü¦³¨â­Ó¶ì½¦³·¿|µ©¸Ë±µ¨üťı¾¹»s³y¡A¤¤¶¡¦³¤@±ø¥i¥H¦ùÁY¤§ª÷Äݶǭµ³ïºÞ³sôµÛ¡A·í¤@Ãä¨Ï¥ÎªÌ¹ïþӸܭµ³·¿|µ©°e¥XÁn­µ«K¡A¥t¤@Ãä¨Ï¥ÎªÌ«h´£°_³·¿|µ©¦b¦ÕÃäÅ¥¨úÁn­µ¡F¦p¬OªÌÂù¤è¥æ´«Ãþ¦ü°Ê§@¤¬¬Û¥æ½Í¡C
³·¿|µ©¨ü¸Ü¾¹ : ¦¬¯Ç®É 205 x 340 x 150 mm
Size 100 x 292mm
Dia. X 292mm 26mm x 7m (ª÷Äݶǭµ³ï¦ùªø®É)
Item no : JP 117-390each set
Sound Kit ­µ¤§¹êÅç¾¹

¦¹¹êÅç¾¹¥Î§@´ú¸ÕÁn­µªº¤Ï®g©ÎÁn­µ¶Ç»¼ªº¯S©Ê©M±ø¥ó¡CÁn­µµo­µ¾¹©MÁn­µ¨ü­µ¾¹¤@°_¨Ï¥Î¡A¦Ñ®v¥i¥H±N¥L­ÌÂ\©ñ¦b¤£¦P¦ì¸m¤£¦P¨¤«×´ú¸Õ±µ¦¬ªº¯S©Ê, ½T©wÁn­µ¬O½u¦V¦æ¨«©ÎªÌ·|ÂàÅs¡C¦P®É¦¹®M¥ó¦³¤@¶ôÁn­µ¤Ï®gªO©MÁn­µ§l¦¬ªO¡A¤S¬O¥i¥H§Q¥Î¦¹ªO¦Ü¤£¦P©Ê½è¨Ó¥Ü½d¦UºØ¤£¦Pªº¦³ÃöÁn­µ¹êÅç¡C
Án­µµo­µ¾¹ ©Pªi¼Æ¬ù400Hz Battery operated
Size 80 x 120 x 65mm
Án­µ¨ü­µ¾¹ °ª±Ó·P«×«ü¦V©Êunidirectional 0-100 , 5mm division
´ú¸Õ»öªí Battery operated Size 80 x 120 x 65mm
Án­µ¤Ï®gªO©MÁn­µ§l¦¬ªO 150 x 200 mm size ¦U¤@¶ô
Item no : JP 117-400

Stethoscope Pro±M·~Å¥¶E¾¹

¶°­µ³¡¶}©ñ«¬ ª½±µºÞ±µ¦¬Án­µ
Item no : JP 117-430each

Stethoscope H. Pro ±M·~°ª·P«×Å¥¶E¾¹

°ª·P«×®¶°Ê½¤¦¡ Âå¬ìÂå¥Í±M·~¨Ï¥Î«¬ ¶°­µ³¡45mm ºÞªø«×600mm
Item no : JP 117-435 each