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10KW IGBT Based Power Module

FEATURES:

• 1200V/ 75A, Peak Semikron based IGBT module • 8 Nos of IGBT’s provided with independent eight driver (inbuilt opto isolator) • All the collector and emitter terminals are brought out of proper connectors for power circuit connection • All the gate and emitter terminals are brought out and terminated on front panel to view driver output fault output • Indicator LED provided for PWM input and power supply input • Proper heat sink provided for all the IGBTs with cooling fan provision • All are enclosed by viewable acrylic cabinet • Temperature sensor provided for over temperature Protection • PWM inputs are brought out on Front Panel, you may connect any controller for interface • One common +15V Power supply for all the driver circuit, Inbuilt isolated power supply provided. • Over current protection and short circuit protection provided for all individual IGBT module • Reset circuit provided and terminated to clear the fault • Snubber capacitor provided for dv/dt protection for all IGBT module • 60A 3 phase bridge rectifier and filter circuit available for power circuit input.

Hydraulic Power Steering System Motorised

Hydraulic Power Steering System (Motorised) – Actual Working The working of steering system is shown with the help of actual parts assembled on square iron pipe frame. All the necessary parts of steering system are shown in actual working form. This model helps the student to understand the working of the steering system very easily. It is specially made dissectible for demonstration purposes.

Human Digestive System

Description

Showing all important digestive organs in detail, viz. representation of nose, mouth cavity, pharynx, esophagus gastro – intestinal tract, liver with gall bladder, pancreas and spleen. Duodenum, cecum and rectum are opened. Removable traverse colon, mounted on board with keycard.

Dynamo

Description

With driving wheel, to generate current, mounted on polished wood base with driving wheel in vertical position, a lamp holder and a lamp. Output DC Current Output both DC and AC current
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Fuel Supply System Of A 4 Cylinder Diesel Engine

Fuel Supply System Of A 4 Cylinder Diesel Engine Actual Cut Section Model — Motorised This is a working model with original parts, consisting of diesel fuel tank, fuel filter, injection pump and fuel injector. Compete on board. A. With In Line Pump B. With Rotary Pump

Epicyclic Gear Train Holding Torque Apparatus

It is a motorized unit consisting of SUN gear mounted on input shaft. Two plane gears mesh with the annular gear. These planet gears are mounted on a common arm to which output shaft is fitted. Loading arrangement is provided for loading the system and to measure Holding Torque.

Specifications:

1. External type Epicyclic Gear Train: a. Bearing blocks for input & output shafts. b. A gear train with Holding drum and handle. 2. Internal Type Epicyclic Gear Train: a. A compact Gear Train. b. Variable speed D.C. Motor c. Rope brake arrangement to measure output torque and holding torque. 3 Control Panel comprising of a. Digital Ammeter and Voltmeter. b. RPM Indicator. c. Speed Controller.

Experimentation –

1. To measure epicyclical gear ratio between Input shaft and Output shaft. 2. To measure epicyclical gear ratio between Input shaft and holding drum. 3. To measure Input torque, Holding torque and Output torque.

Service Required –

1. Floor Space – about 1.5m x 2m. 2. 230 V.AC stabilized power supply.

Bulk Density Apparatus

Specification

Material :Stainless Steel Bath Dimension (inch): 9X6X8

Product Description

Bulk Density Apparatus

Features

Dongles Bag Durability High tensile strength Rust proof body Accurate results

Formation Of Rocks

Description

Shows the geological cycle and process of ever changing contents of the Earth which results in formation of rocks.
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Desert Cooler Trainer

Desert Cooler Trainer works on the principle of evaporative cooling. It is used mostly in the dry hot regions; it consists of a fan which sucks the air from atmosphere through the pads which are used in desert coolers very frequently. The difference in DBT & WBT at inlet and outlet can be measured hence the RH from the charts. Also the amount of water evaporated can be calculated by knowing the water level difference in the reservoir.

SPECIFICATIONS:

1.Fan connected to 1/2 HP motor. 2.Air Cooler Pump to circulate water. 3.DBT & WBT Measuring Thermometer at inlet and outlet. 4.Orifice meter with manometer to measure the air flow. A technical manual accompanies the unit.

SERVICES REQUIRED:

1.Floor Area – 1, X 1 m. X 1 -5m. Height. 2.220 V., 15 Amp. , Single Phase Stabilized power supply

Direct Vision Spectroscope

Description

For quick examination of spectral composition of white light. Consists of a metal tube with draw-out focusing and an adjustable slit, fitted with achromatic objective and prism, in case.

Spectrometer Prism

Description

Optically worked working sides, equilateral Borosilicate crown glass, refractive index 1.510
25 x 25 mm
32 x 32 mm
38 x 38 mm

Expansion Model of Human Teeth

This model shows the morphological differences of the incisor, canine and molar teeth. Dissection of the canine and molar teeth demonstrate the structure of enamel, dental pulp cavity. Enlarged 12 times, 3 pcs set.
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Mechanical Heat Pump Trainer

Heat Pump is a device to pump heat from one source to another. The heat obtained by heat pump is more than that could be obtained by direct electrical heating. The apparatus consists of refrigeration system with water cooled shell and coil type evaporator and condenser.

SPECIFICATIONS:

1.Compressor – Hermetically sealed compressor using R-12 refrigerant, having capacity 0.3 tons of refrigeration. Condensing pressure – max. 15 Kg/cm2 (Actual pressures will depend upon working conditions). 2.Condenser – Shell and coil type with continuous water flow arrangement. 3.Evaporator – Shell and coil type with continuous water flow arrangement. 4.Expansion Valve – Internally equalized thermostatic expansion valve. 5.Measurements – a) Rotameter for condenser & evaporator water flow rate measurement. b) Rotameter for liquid refrigerant flow measurement. c) Pressure gauges for condensing and evaporating pressure – 2 Nos. d) Thermometer for refrigeration cycle & water temp, measurement – 7 e) Wattmeter for compressor input measurement. f) Ammeter for compressor current measurement. 6.Controls – a) HP/LP cutout for compressor. b) Overload protector for compressor. c) Gate valve to control water flow rates. d) Necessary switches and fuse. A technical manual is accompanies the unit.

SERVICES REQUIRED:

1.Floor surface area – 2m, X 2m. X 1.5m. height. 2.220V. 15Amp. Single Phase Stabilized power supply.

Arthropoda

Description

All Charts are made on PVC rexine , hand drawn, waterproof, in fast multi colors with a black background. Each chart is provided with rollers to hang on wall. Size 75×100 cm. Food Grain Pests Housefly Life History Mosquito Life History showing comparison of Culex & Anopheles Butterfly Life History Honey Bee Life History Silkworm Life History Grasshopper Life History Cockroach External Character & M.P. Cockroach L.H. Cockroach Digestive system Cockroach Respiratory system Cockroach Circulatory system Cockroach Nervous system Cockroach Reproductive system Prawn Internal Anatomy Prawn External Anatomy Prawn Reproductive system Prawn Digestive system Prawn Excretory system Prawn Nervous system Prawn Circulatory system Scorpion External Character, Dorsal & Ventral View

Root Anatomy

Description

This model demonstrates the general arrangement of tissues. Stem is cut transversely, longitudinally, radially and tangentially at different planes to make the structural details very clear and the formation of various tissues easily understandable, mounted on stand with key card.

Lux Meter

Description

Range : 0-50000 LUX in three steps Accuracy : ± 5% Least Count : ± 2 Display : 3 ½ digits, 7 segment LCD type. Sensor : Separately attached light sensor allows user to take measurements at an optimum position.
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AJAX PRODUCTS TABS WITH ICONS

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Frequency Response Analysis of Lead Lag Network

Frequency response of Lead, Lag network using P+I+D controller is a special purpose analog simulation, create using operational amplifiers. This simulator permits a detailed analysis of the first order and second order systems on the application of proportional, integral and derivative control to the improvement of their performance. The simulator may be used at high frequency for oscilloscope observation.

FEATURES:

• Built-in Function Generator (sine & square). • Self contained power supplies and power ON/OFF switch with indication. • Full mimic diagrams in the front panel. • The simulated process. - Simple Lag Process - Simple Lead Process • The simulated PID controller - Integral controller scaled in Integration time. - Derivative controller scaled in derivative action time. - Proportional band control scaled in % proportional band (PB).  

Front Axel Assembly With Differential Gear

Front Axel Assembly With Differential Gear (Actual Cut Section) The working of differential gear is shown with the help of actual parts assembled on square iron pipe frame. All the necessary parts of differential gear are shown in actual working form. This model helps the student to understand the working of the differential gear very easily. It is specially made dissectible for demonstration purposes.

Decade Inductance Box – 7 Dial

Description

Housed in a box with seven dials and fitted with 4 mm output plugs, the unit allows a range of inductances from 1ΩH to 10ΩH. 7 Decade Inductance Box (i) 1ΩH to 10ΩH in steps of 1ΩH (ii) 10ΩH to 100ΩH in steps of 10ΩH (iii) 100ΩH to 1mH in steps of 100ΩH (iv) 1mH to 10mH in steps of 1mH (v) 10mH to 100mH in steps of 10mH (vi) 100mH to 1mH in steps of 100mH (vii) 1mH to 10mH in steps of 1mH

Corcyra Cage

Description

Made of MDF/Waterproff plywood planks. Top lids fits well in the main box and detachable. Lid provided with 20mesh iron wire mesh on both sides secured with beeding. Provided with handle on side,Well Finished. 43x23x12cm.(MDF) 38x38x10cm.(Waterproof Plywood)
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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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