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PENSKY MARTIN FLASH POINT APPARATUS – GUPTA BRAND 60006015

This is widely used for determination of closed cup Flash Point of Fuel Oil, cut back asphalts, other viscous material and suspension of solids having a flash point about 490C(1200F).The apparatus serve the purpose according method B. The apparatus consists of Brass Test cup with handle removable cup cover with spring operated rotating shutter having piolet jet, stirrer with flexible shaft. The assembly rests in Air Bath which is covered with Dome shape metal top. The cup is fitted with insulated handle and locking arrangement near cup plange. The assembly rests on a round shaped heater with different temperature regulation system suitable for operation on 220 Volts AC mains.

PENTA MICROSCOPE – GUPTA BRAND 40004018

Specifications
PENTA HEAD-MULTIVIEWING MICROSCOPE

      :
      Incorprates in innovative optical and strucural design ideas,facililating group
      disussion and consultation by five observers during important meeting,confernces and seminars Penta Head-777 is equipped with five
      observation head,included at for comfortable viewing,include the central Trinocoular Head to accept optinal photomicrography and video Equipments.The built is LED Green Light Pointer,with adjustable brightness can be moved in the filed of view during group discussion supplied as above with following infinity corrected plan options.
      Eyepiece-WF 10x/20-5Pairs

TECHNICAL SPECIFICATION:
EYEPIECE:

      Ultrawide fields and compensating WF 10x paired eyepiece(Field no.22)-5 pairs.

FOCUSING:

      Low and forward position Co-axial coarse and fine focusing mechanism supported on ball bearing with tension control ring and pre-focus stopper. Coarse focus 30mm.Fine motion reading to 0.002mm.

MAGNIFICATION:

      40X-1000X Standard Optionally upto 2000X

CONDENSER:

      Swing out condenser N.A. 09/0.25 to provide perfect illumination under all mangnification to all the observers.

PLAN OBJECTIVE:

      INFINITY CORRECTED SUPER PLAN OBJECTIVE 4X,10X,40X,100X(Anti Fungus)

LIGHT POINTER:

      A MOVEABLE BUILT IN GREEN LED POINTER(BRIGHTNESS ADJUSTABLE)IS SUPPLIED AS A STANDARD ACCESSORY.

OBSERVATION HEAD:

      One number high Transmission sidentopf Trinocular head include Compensation free 360 roatable. Four numbers compensations free Binocular Head inclined and 360 rotable.

OPTICAL SYSTEM:

      Infinity corrected plan optical with Din Standard optics(True Colour).

NOSEPIECE:

      Inward revolving quintuple nosrpiece with ball bearing system for perfect alignment.

ILLUMINATION:

      koehlers illumination with 12V/50W super bright halogan lamp with variable control.

STAGE:

      SUPER HARD COATED LARGe MECHANICAL STAGE 185x145mm with low position co-axial X-Y motion controls.X-Y motion 75mm x 55mm.

MAGNIFICATION:

    40X-100X STANDARD Optionally ypto 2000X.
Standard Configurations
EYEPIECE:

      Ultrawide fields and compensating WF 10x paired eyepiece(Field no.22)-5 pairs.

PLAN OBJECTIVE:

    INFINITY CORRECTED SUPER PLAN OBJECTIVE 4X,10X,40X,100X(Anti Fungus)
Optional accessories
  • Wooden Box

Pentominoes 1000-PB 707

Pentominoes is puzzle game this structures consisting of five identical squares connected by their sides.. In the pentominoes puzzle game, players must rotate the shapes and fit them into a grid so the shapes interlock and the finished grid has no empty spaces. Pentominoes lend themselves well to a wide range of classroom activities, from illustrating mathematical concepts to geometrical puzzles.
Set of 60 Pcs.

PERIMETER – GUPTA BRAND 30009583

Used to measure the peripheral field vision. The apparatus comprises of a calibrated arc, revolving chart holder. The object carrier which moves over the arc,contains five colours and five aperture of diffrent diameter,calibrated scale.At the back of the arc arrangment is provided for fixing of chart which has concentric circles corresponding to the degrees of arc. Adjustable chin rest. All fitted over a sturdy base with receptacle for keeping charts. For table top use. Complete with 100 charts.