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Comprises a borosilicate glass U tube with 225 mm. height, with each limb graduated 0-120 x 1 mm. Bend fitted with a filling tube and stopcock. Two platinum electrodes 14 mm. diameter can be adjusted at any position by locking
Home / Chemistry - General & Chemical Laboratory Apparatus

PM-892 PVG TACHO METERS (RPM METERS)

  • With male, female and surface rubber centre. Male and Female rubber centres are useful for RPM measurements. Range of measurements from 60 to 10,000 RPM in x1 position with resolution of 1 RPM and 600 to 100,000 RPM in x10 position with resolution of 10 RPM. Surface rubber centre is useful for measurement of surface speeds from 6.0 to 999.9 meters/minutes in x1 and 60 to 9999 meters/minute in x10 position. Accuracy ± 1 RPM. Operates on 6 V D.C., 4 internal dry cell batteries 1.5 V. Dimensions 235x60x50 mm. Mass 350 gms.
  • Mounted in glass tubes, with 4 mm. sockets to take plug leads. Cat. No. Type 891.01 Copper Rod 891.02 Copper Plate 891.03 Zinc rod 891.04 Silver wire short 891.05 Silver wire long 891.06 Platinum wire 891.07 Platinum foil 891.08 Gold foil

Hand held, battery operated LED display of 8 mm. size, crystal
controlled time base, data hold facility. Supplied in a leather cover.

SKU: PM-892 TACHO METERS (RPM METERS) Category: Chemistry - General & Chemical Laboratory Apparatus
  • With male, female and surface rubber centre. Male and Female rubber centres are useful for RPM measurements. Range of measurements from 60 to 10,000 RPM in x1 position with resolution of 1 RPM and 600 to 100,000 RPM in x10 position with resolution of 10 RPM. Surface rubber centre is useful for measurement of surface speeds from 6.0 to 999.9 meters/minutes in x1 and 60 to 9999 meters/minute in x10 position. Accuracy ± 1 RPM. Operates on 6 V D.C., 4 internal dry cell batteries 1.5 V. Dimensions 235x60x50 mm. Mass 350 gms.
  • Mounted in glass tubes, with 4 mm. sockets to take plug leads. Cat. No. Type 891.01 Copper Rod 891.02 Copper Plate 891.03 Zinc rod 891.04 Silver wire short 891.05 Silver wire long 891.06 Platinum wire 891.07 Platinum foil 891.08 Gold foil
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  •  MODEL OF PLANT MITOSIS. Model depicts how a cell divides into two with 9 stages show the cell division of a plant ,mounted on board. Mitosis is process in the cell cycle where the newly formed DNA is separated and two new cells are formed with the same number and kind of chromosomes as in the parent nucleus. Mitosis is a process of asexual reproduction observed in unicellular organisms. Mitosis is essential for the growth of the cells and the replacement of worn-out cells. In plants, mitosis leads to the growth of vegetative parts of the plant like root tip, stem tip, etc. The different stages of mitosis occurring during  the cell division are Interphase,Prophase,Metaphase,Anaphase,Telophase,Cytokinesis,Daughter cells are shown. All phases are in 3D shape represented and cut to show the inside of the cell especially nucleus and Chromatin material. Movement of Chromosomes are easily seen from parent cell to Daughter cells Mitosis helps in Equal distribution of chromosomes to each daughter cell. It is responsible for the growth and development of the plant. It maintains the constant number of chromosomes in all the cells of a plant. Mitosis is required for asexual reproduction, vegetative propagation in plants and is also responsible for the repair and regeneration of damaged tissues. Mitosis helps in maintaining the purity of the genome as no recombination or crossing over takes place. YM-179 MODEL OF PLANT MITOSIS SET
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