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Lower price in promotion time specification and quotation
upon receive your inquiry.
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Set of 7
full range tubular Spring Balance Dual Scaled
Plastic tubular spring BACANCE,Dual scales Newton/Grams overall size 270*40mm
gm 100 250 500 1000 2000 3000 5000 10000
N 1 2.5 5 10 20 30 50 100
color Violet Brown Green Blue Red pink Yellow Black
Hooke's Law Optical disc DIA of Disc 280mm metal caver R 155mm accessary 5line slide plate set of Bicovex,Biconcave lens,cylinder prism, glass block mirror
hand & electric driver,safty 10V power supply,staable 80mm,excellent spark even in higher humidity.
this  is  our  latest development promotion 
van de graaff :both  hand and  electric  driven IN ONE  MACHINE
dia of dome : 300mm
dia of discharge :65mm
overall dia: 850x50x26 mm    weight   6.5 kgs
GOOD PERFORMANCE  voltage developed  upto  200kvs  with a blue spark 80 mm
ENERGY SAVING power supply:   universal power input  from  110  v to 230 v   30 W
SAFTY :operation voltage ( AFTER A POWER ADAPTOR  WHICH IS CE  APPROVED )D/C  10V
VERY EASY MATAINRANCE   all  with new design for  easy and durable.
Van de graff generator
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