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MELDE APPARATUS – GUPTA BRAND 8006220

Designed to show the effects of vibrations in a stretched cord and investigate the relationship between frequency, tension and density. In addition the provision of electrical contacts, opened and closed by the vibrating armature, allow the apparatus to be used as high speed changeover switch in. Comprises a thin steel rod armature, mounted in a clamp formed by a pair of 4mm socket terminals, so that its free length may be adjusted as desired. An A.C. energising coil surrounds the armature and a permanent magnet provides the necessary magnetic polarisation. The free end of the armature equipped with a small boss and clamping screw for attachment of the cord and also serves as the moving contact when the apparatus is operating as a changeover switch. The complete apparatus is carried upon a box type base 150 x 80mm.

MELTING POINT APPARATUS – GUPTA BRAND 10007013J

Electrically heated for determination of single or mixed melting points upto 350 C consisting of cast aluminium case with enclosed heating block and control. Support for thermometer is provided. Specially designed heaters are provided for uniform heating, fine temperature control,provision for three melting tubes. Megnifying lens for capillaries, Shadowless illumination. An on/off switch controls illuminator lamp and power input to apparatus. Supplied with cooling plug for heating block, Complete with thermometer and operates of 220 volts, 50 Hz, A.c

MELTING POINT APPARATUS – GUPTA BRAND 60006012

This Apparatus determines melting point of petroleum products. it is made according .IT consists a rectangular block of aluminiium with built in electric heating element. The temperature is controlled by energy regulater .An adjustable lens is provided for viewing exact melting point supplied with capillaries.

  1. Melting point Apparatus with energy regulater control
  2. Thermometer 63C.