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Journal Bearing Apparatus

DESCRIPTION:

The apparatus consists of a plain steel shaft encased in a bearing and directly driven by a small electric motor. The bearing is freely supported on the shaft and sealed at motor end. The motor speed is precisely controlled by control unit and sealed at motor end. The motor speed is precisely controlled by control unit and can be run in both directions. The bearing contains twelve equi-spaced pressures tapping around circumference and four along the axis. All are connected by light flexible plastic tube to the manometer so that the pressure head of all sixteen point can be observed at a time. The bearing can be loaded by attaching weight to the arm supported beneath it.

SPECIFICATIONS:

1. Journal : 50 mm. dia. (nominal) 2. Bearing : 55 mm. dia. 3. Weights : 4 adjustable weights 4. Motor : D.C. shunt Motor, 3,000 RPM. 5. Control panel : For speed control of Motor 6. Manometer panel : 16 tube Manometer 7. Oil recommended : SAE 10

EXPERIMENTS:

1. Observation of the pressure profile at various conditions of load and speed. 2. Plotting the Cartesian and polar pressure curves. 3. Plotting the theoretical Summerfield curves.

SERVICE REQUIRED:

1. Electric Connections : A.C Single Phase, 230v. supply with ear thing. 2. Stand Alone Space : 1.5m X 1.5m X 4m Height.

Orbital Shaking Incubator

Specification

Outer made of M.S. Sheet powder coated & inner chamber is made of thick S.S. Sheet. The gap between two walls is fitted with high grade glass wool. The glass window makes it possible to inspect specimen without disturbing inner Temperature. The unit has a temprature range from ambient to 60°. Temperature is controlled by Dual Display Microprocessor PID Digital Temperature Indicator Cum Controller with a accuracy of + 0.5°C. Air Circulation Fan is provided to maintain stability throughout. Speed of shaker is variable from 30 RPM to 250 RPM. The tray of the shaker is also made of S.S. Sheet with Lotus type clamps to hold flasks. Unit is fitted with Digital RPM Meter, 999 min digital time.

Optional Accessories

Timer 0-24 Hours. 16 Flasks of 100ml. instead of 9 flasks of 250ml. 9 Flasks of 500ml or 25 flasks of 100ml instead of 16 flasks of 250ml. 25 Flasks of 250ml or 36 flasks of 100ml instead of 16 flasks of 500ml.

Size

9 Flasks of 250ml. 16 Flasks of 250ml. 16 Flasks of 500ml.

Theramal Conductivity Of Insulating Slabs

The apparatus consists of a slab assembly. The main Heater and a radial guard heater are sandwiched between copper plates. The specimen in the form of slabs of equal thickness are placed on either sides of heaters and cooling plates through which water is circulated are on the other Sides of the specimen. The radial guard heater ensures all heat of the main heater to pass axially through the specimens which is collected by cooling plates. By knowing the temperatures and Heat input, thermal conductivity of specimen can be calculated. The test set up is enclosed in an enclosure with insulation inside to provide undisturbed Surroundings. The design style of the apparatus is similar to as recommended in INDIAN standard. The difference is in sizes.

SPECIFICATIONS:

1.Heaters: a)Main heater plate 110 mm dia. with mica heater Sandwiched between copper plates. b)Radial guard heater plate I.D. 120mm and OD 200 mm mica heater sandwiched between copper plates. 2.Water circulated cooling plates -2 nos. 3.Dimmerstat-2 A capacity – 2 nos. to independently control Inputs to the heaters. 4.Measurements – A voltmeter and an Ammeter with selector switches to measure inputs,Multichannel digital temperature indicator to measure Temperatures at various points, having 0.1 °c least count. A technical manual accompanies the unit.

SERVICES REQUIRED:

1.230 V, A.C. stabilized supply along with earthing connection. 2.Water supply of about 4-5 lit/min. 3.Bench area 1m x lm x O.5m height.

Model Telescope

Description

A simple model to show the working of astronomical telescope, comprising a plano- convex lens diameter 38 mm FL 100 mm, mounted in metal tube which slides in an outer tube of 400 x 42 mm, size, with a convex lens objective diameter 50 mm FL 500 mm, in case.
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Beat Frequency Oscillator Trainer

FEATURES:

• On board sine generator • Transistor based mixer • Built in power supply • Easy interconnections are made by patch chords • Detailed documentation

TECHNICAL SPECIFICATIONS:

• Sine Source - Fixed Frequency : 43.5 KHz - Variable Frequency : 41 KHz to 45 KHz • Transistor based mixer provided • Built-in amplifier • Power supply - + 12V DC, 200 mA - Unit is operated using 230V AC Power.  

Prism

Description

Glass, equilateral, polished faces, edges slightly beveled, 60° x 60° x 60°.
25 x 25 mm38 x 38 mm50 x 50 mm

Forced Convection Apparatus

The unit consists of a circular pipe; loosing heat by forced convection to air, being forced through it. Constant heat flux is added to pipe by an electrical heater, provided with input control. The pipe surface temperature is measured at various points along length of pipe. Temperature of air at inlet and outlet of test section are measured. Thus the students can calculate local and overall heat transfer coefficients in forced convection, at various airflow rates and various heat flux values.

SPECIFICATIONS:

1.Test pipe – 32mm NB GI pipe, 500 mm. long, heated by band heater, outside. Centrifugal blower to force air through test pipe with How control valve. 2.Variac 2A, capacity to force air through test pipe with flow control valve. 3.An orifice meter with differential water manometer. 4.Voltmeter and Ammeter to measure heater input. 5.Multichannel digital temperature indicator to measures various temperatures. 6.A technical manual accompanies the unit.

SERVICES REQUIRED:

1.Bench area of about 1m. x 0.75 m. at working height. 2.239v, 15A, AC, supply with earthing connection.

Sine / Square Oscillator 1 Hz – 1MHz

Wave Shapes : Sine and Square waves output 4 mm sockets. Frequency Range : 1 Hz to 1 MHz using fine and coarse controls. Accuracy : ± 5% on all ranges. Amplitude for sine wave output : 30 Vpp. Amplitude for Square wave output : 15 Vpp Output Impedance for sine wave : Approx. 600 Ohms. Output Impedance for square wave : Approx. 400 Ohms
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Weights brass

Weights of brass, Set of five, with hooks on both sides.

Plant Structure Microslide Sets, Plant Structure I – Angiosperms

Set of 19 slides, comprising Allium, LS root tip for mitosis Buxus, Lower epidermis Capsella, LS ovule Cucurbita, TS LS stem Helianthus, TS stem old secondary Ligustrum, TS leaf Lilium TS Mature anthers pollen Pollen grains Ranunculus, LS flower Ranunculus, TS mature root Ranunculus, TS stem Stigma with pollen tube Thickening Tilia annual ringed Triticum germinating seed Vicia, young root hairs Zea mays, TS root Zea, TS LS stem Zea, TS leaf
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Screw Gauge Micrometer Demonstration

Screw Gauge Micrometer Demonstration • About 200 mm long, made of aluminum. • Black spray painted individually packed. • Measurements are approximate

Agate Mortar & Pestle

Description

We offer Agate Mortars & Pestles under the brand name of Adarsh International. These Mortars & Pestles are made of naturally occurring Agate Stone, which essentially is an amorphous form of ADARSH. Due to its inherent physical characteristics our Agate Mortar & Pestle it is quite hard. The hardness on the Moh's scale is 6.5. Adarsh Brand Agate Mortars & Pestles are recommended for use in laboratories demanding contamination-free results.

Diameter Sizes

1. Dia 2"
2. Dia 2.5"
3. Dia 3"
4. Dia 4"
5. Dia 5"

Pipette Stand, Wooden – Horizontal

Description

Wooden and polished, to hold 12 pipettes horizontally. Height 23 cm width 26 cm and depth 12 cm

Specifications:

Length: (in)12.0 Width: (in)9.0

Laboratory Burette

We offer impressive range of Laboratory Burette for our users. This Laboratory Burette has a transparent acrylic body and a leak proof stopcock fitted with a self lubricating PTFE plug. Each Burette is individually calibrated to give maximum accuracy. Acrylic body is unaffected by dilute mineral acids & bases except Hydrofluoric Acid & Ammonium Hydroxide. The pH range of 1-14 is ideal and can be used up to 5 % wt/wt of acids or 30% bases. Material : Polymethyl Methacrylate / TPX
ParticularsPack (Pcs) 
Burette 25 ml10 
Burette 50 ml10 
Burette 100 ml10 
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Thermistor Unit

Mounted on transparent covered base for easy demonstration. Diagram and two sockets are provided for use with some circuit. Thermistor is mounted above the base to avoid the damage from heat.

Digital Coductivity Meter

UsageIndustrial, Laboratory 
MaterialMS 
ColorWhite 

Features

Highly Stable and Accurate Cell Constant Adjustment Facility Available in Lab & Field models Temperature Coefficient Correction facility
Display3 1/2 Digit LED3 1/2 Digit LCD
Range5 Ranges 0 - 1000 Mohs/cm2 Ranges 2 & Mohs/cm
Temperature CompensationManual 0-50oC-
Cell Constrant AdjustmentAdjustablePre Adjustable
Conductivity CellPlatinum DIPPlatinum DIP
Measuring Frequency1000 Hz1000 Hz
Accuracy1% FSI1% FSI
Power230v 10%1 x 9V Battery
Dimensions76 x 275 x 175 mm85 x 28 x 165 mm
Weight2 kg. (Approx.)0.8 kg. (Approx.)
AccessoriesConductivity Cell, Operation Manual, Dust Cover.

Orbital Shaking Incubator

Specification

Outer made of M.S. Sheet powder coated & inner chamber is made of thick S.S. Sheet. The gap between two walls is fitted with high grade glass wool. The glass window makes it possible to inspect specimen without disturbing inner Temperature. The unit has a temprature range from ambient to 60°. Temperature is controlled by Dual Display Microprocessor PID Digital Temperature Indicator Cum Controller with a accuracy of + 0.5°C. Air Circulation Fan is provided to maintain stability throughout. Speed of shaker is variable from 30 RPM to 250 RPM. The tray of the shaker is also made of S.S. Sheet with Lotus type clamps to hold flasks. Unit is fitted with Digital RPM Meter, 999 min digital time.

Optional Accessories

Timer 0-24 Hours. 16 Flasks of 100ml. instead of 9 flasks of 250ml. 9 Flasks of 500ml or 25 flasks of 100ml instead of 16 flasks of 250ml. 25 Flasks of 250ml or 36 flasks of 100ml instead of 16 flasks of 500ml.

Size

9 Flasks of 250ml. 16 Flasks of 250ml. 16 Flasks of 500ml.

LABORATORY AND MEDICAL MONOCULAR MICROSCOPE

PRODUCT DESCRIPTION: Being a leading firm in this industry, we are deeply engaged in offering a high-quality range of MS 30 Medical Monocular Microscope. Details:
  • MS-30 Student Monocular Compound Microscope
  • Viewing Body Monocular tube, Straight,
  • Stand Monocular, frame inclines back to 90°
  • Eyepiece eyepiece 10x
  • Nosepiece Quadruple revolving Nosepiece
  • ObjectivesSA series Achromatic objectives 10x/ NA 0.25 , 40x/ NA 0.65 (SL) , 100x/ NA 1.25 (SL, Oil)
  • Stage Stage plate size 124 x 120mm with Mechanical stage for X and Y movement of slide up to 30 x 75mm with graduated scale and Vernier’s
  • Focusing Separate coarse and fine focus controls. Coarse movement by Rack & Pinion and fine movement by Screw Lever Mechanism
  • Condenser Sub-stage Iris diaphragm with moving up and down through rack and pinion, condenser NA 1.25 with Blue Filter
  • Illumination System Plano concave reflector mirror mounted at the base
  • Package Contents Thermocole Box, with operation manual, dust cover and cleaning cloth
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SILICA CRUCIBLE WITHOUT LID

PRODUCT DESCRIPTION
  • Crucible is glazed inside and outside.
  • Highly resistant to alkalis and hot temperatures
  • 50ml capacity
  • Outside diameter 55mm, 42mm height
  • No lid includedSilica crucible is glazed inside and outside. Highly resistant to alkalis and hot temperature SIZES ARE: 15ML 25ML 50ML 80ML 100ML 150ML

SILICA CRUCIBLE TALL FORM Without Lid, Translucent

PRODUCT DESCRIPTION -Without lid, translucent, glazed - Ordinary type lids to be purchased separately Size/ dimension:
  • 20ml,  Dia. 35mm x Ht. 38mm
  • 30ml, Dia. 43mm x Ht. 38mm
  • 50ml, Dia. 51mm x Ht. 51mm

SILICA MUFFLE TRAYS (For VM Crucible)

PRODUCT DESCRIPTION:   Available in 2types:  Two Hole, 39mm Length Four Hole, 76mm Length
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