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Digital Colorimeter
Description
The basic set-up of the colorimeter is: LED light source: Produces polychromatic light over the entire visible region, 45 Broad spectrum filter: The colorwheel has nine different filters. The filter employed is selected by wavelength. Each filter will produce monochromatic light at a specified peak wavelength with a bandpass of 20 mm. The filters enable the user to perform tests from 400 to 680 nm. Cuvette Holder: It holds the inserted cuvette during testing. It is imperative the cuvette be consistently oriented in the holder. Round cells usually have orientation markings to correctly position the cuvette. Detector: A silicon photo diode is used as the detector. The photo detector current will change as a function of light energy. Display:The current signal from the detector is converted to a numerical value, absorbance and is shown on led display
Signal Generator
1 Hz to 100 KHz in five decade ranges selected by rotary switch named as frequency Multiplier. Sine Triangular and Square waveforms selected by push switch with LED indication. Output signal is 0-3.5 V rms (10 V peak to peak) open circuit continuously control with uncalibrated amplitude control knob. Mains rocker switch with indicator Light. Signal Generator is versatile for general laboratory use; output signal is adjustable with the combination of Freq. multiplier and set frequency dial with a low level of distortion. Output Voltage is continuously variable with selector range 1V and 10V. There is two pair of output safety sockets. One for CRO output (experiment for amplification, filter etc.) and another pair of sockets to speaker to drive a speaker and to demonstrate the audio signal frequency range 20 Hz to 20 KHz.
CAVITY BLOCK
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Thermal Conductivity Of Liquid
Thermal conductivity of is an important engineering property. The apparatus uses guarded hot plate method for determining thermal conductivity. It consists of hot plate i.e. an electrical heater sandwiched between two plates. The heat loss from hot plate is prevented by using two guard heaters and heat of removes heat from liquid by circulation of water. Input to heaters the temperatures.
SPECIFICATIONS:
1.Guarded hot plate assembly comprising of main heater, ring guard heater and top guard heater, mounted over the liquid test cavity. 2.Cold plate assembly provided with water connections. 3.The assembly is housed in an enclosure box with glass wool insulation. 4.Instruments panel consisting of : a).Digital voltmeter and ammeter of suitable range. b).Dimmerstat for controlling input to the heaters (2 amp. 3 Nos.) c).Multichannel digital temperature indicator.SERVICES REQUIRED:
1.Floor space of about 0.75m. x 1.5m. at working height. 2.230v. AC electrical supply with earthling connection. 3.Water flow rate of about 10- 15 lit/min. at constant head.
Process Control Simulator
The process control simulator is a special purpose analog simulator with operational amplifiers The simulator permits a detailed analysis of the first order, second order and third order systems and the application of proportional, integral and derivative control to the improvement of their performance. The simulator may be used at high speed for oscilloscope observation or at a low speed for meter observation.
FEATURES:
• Built-in Function Generator (Sine & Square wave). • Self contained power supplies and power ON/OFF switch. • Simulated distance-velocity lag. • Full mimic diagrams in the front panel. • The simulated process - Simple Lag of 1ms/10ms, 2 lags of time constant 1ms/10ms that can be toggled to integrators of same time constant - Distance-velocity lag & delay 10ms • The simulated PID controller - Integral action control scaled in integral action time. - Derivative action control scaled in derivative action time. - Proportional band control scaled in % proportional band.
Phase Shifter
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Fashion
Composite Walls Apparatus
Composite Walls Apparatus:
The apparatus consists of a pair of M.S. plates, Bakelite, brass/aluminum. These plates in series on either side of the heater form a composite wall. The whole unit is clamped in a frame, which can be viewed through the Perspex sheet. The thermocouple tapings enables us to find out the conductivity and resistance of the composite walls.
SPECIFICATIONS:
1.Heater- Mica healer of dia. 250 mm. 2.Plates- a) M.S. plates of thickness 25mm & dia. 250mm.-2 nos. b) Bakelite plates of thickness 10mm & dia. 250mm.-2 nos. c)Brass/Aluminum plates of thickness 15mm & dia. 250mm.-2nos 3.Dimmerstat – 2 A capacity. 4.Measurements — a) voltmeter and an Ammeter to measure input power. b) Multichannel digital temperature indicator to measure temperatures at- various points. A technical manual accompanies the unit.SERVICES REQUIRED:
230 V, A.C. stabilized supply along with earthing connection. Bench area Im x lm x 0.5m height
89V51 Development Board
Specification:
• High Performance P89V51RD2 device • On board ON/OFF switch and programmer / execution switch • 4x4 Matrix Keypad interface • 8-way DIP switch for digital logical input selection • 8 LEDs for digital output • One 16x2 Alphanumeric LCD display • 4x4 Matrix Keypad, On board 16x2 LCD • Real Time Clock (RTC) interface with four Functional keys • RS232 – UART interface with two status LEDs • All the 32 I/O lines are terminated via 4 FRC connectors • On board 0.5Kg Stepper motor with driver circuit • 2 nos of 12V relay for DC Motor • Software compatible for both C and Assembly language • 8 channel ADC with built in analog signals, internal & external data i/p, Temperature sensor, 2 nos of potentiometer for signal separation • On board DAC with buzzer
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Laser Distancing Meter
Description
Laser Distancing Meter The professional Laser Distance Meter is designed to give special users a high accuracy, one person distance measuring and estimating tool measure remote and difficult reaching places. The compact and handy base model was specifically designed for indoor applications. Shortcut keys for addition, subtraction, Pythagoras, area and volume calculation make measuring fast and very reliable. The last 20 measurements are also stored. Simple to Operate: Due to the shortcut keys addition and subtraction, as well as surface and volume calculations could be easier. Features : Area, Volume Calculations Indirect measurement using Pythagoras Addition/ Subtraction Continuous Measurement Min/ Max. Distance Tracking Display illumination and multi-line display Buzzer indication Multifunctional end pieces.
Thermo Hygrograph
Description
Thermo Hygrograph with Special the range of -15 deg.C to +65 deg.C and RH 0-100% with Meachanical Winding Clockwork, Weekly and/or Daily Rotation Recording(Changeable) with German Fibre Tips or with Nibs. Thermo Hygrographs are used for Environmental control, Labs, Research, Agricultural institutes, Plants, Scientific, Textile Mills, Meteorology and other Industries. Specifications: Temperature -15°C to +65°C Relative Humidity 0-100% Housing made of cast aluminum and chrome steel white finish Glazing made of transparent synthetic material.
CRUCIBLE TONG (STAINLESS STEEL)
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Zoology
| Anatomy of Frog, Set of 30 slides | Anatomy of Rabbit, Set of 20 slides |
| Amoeba and Paramecium, Set of 20 slides | Animal Histology, Set of 30 slides |
| Animal Kingdom, Set of 30 slides | Animal World, Set of 40 slides |
| Beaks and Feet of Birds, Set of 20 slides | Birds, Set of 30 slides |
| Cockroach, Set of 20 slides | Earthworm, Set of 20 slides |
| Embryology Chick, Set of 20 slides | Embryology Frog, Set of 15 slides |
| Embryology Rabbit, Set of 20 slides | Evidence of Evolution, Set of 20 slides |
| Fishes, Set of 30 slides | Human Physiology, Set of 50 slides |
| Hydra and Obelia, Set of 20 slides | Insects, Harmful, Set of 20 slides |
| Insects, Useful, Set of 20 slides | LH Butterfly, Set of 10 slides |
| LH Honey Bee, Set of 10 slides | LH Housefly, Set of 10 slides |
| LH Mosquito, Set of 10 slides | LH Silkworm, Set of 10 slides |
| Liver fluke and Tapeworm, Set of 20 slides | Mammals, Set of 30 slides |
| Meiosis, Set of 15 slides | Mendel's Heredity, Set of 20 slides |
| Mitosis, Set of 10 slides | Prehistoric, Set of 10 slides |
| Protozoa, Set of 10 slides | Reptiles and Amphibians, Set of 40 slides |
| Snakers, Set of 20 slides | Zoology, Set of 30 slides |
Submercible Pump Test Rig
DESCRIPTION:
The Set-up is designed to study the performance of Submersible Pump. The Set-up consists of a Submersible Pump coupled with electrical motor, supply tank, measuring tank & pipe fittings for closed loop oil circulation. Pressure and Vacuum Gauges are connected on delivery and suction side of pump for the purpose of measurement. The flow rate of water is measured using measuring tank and stop watch provided.EXPERIMENT:
1. To determine overall efficiency and pump efficiency of the Submersible Pump 2. To plot Head vs. Discharge, Pump efficiency vs. Discharge.FEATURES:
1.Closed loop water circulation 2.Compact & stand alone set-up 3.MS Excel sample calculation program on demand 4. Stainless Steel tanks and wetted parts 5. Superb painted structure 6.Simple to Operate & MaintainUTILITIES REQUIRED:
1.Electric Supply: – Provide 230 +/- 10 VAC, 50 Hz, Single Phase Electric Supply with proper earthing. (Neutral – Earth voltage less than 5 VAC), 5 A, three pin socket with switch for pump. 2.Water Supply: Tap water connection ½ “ BSP, Distilled water @ 90 Ltrs. (Optional)TECHNICAL SPECIFICATIONS:
1.Product : Submersible Pump Test Rig 2.Pump & Drive : Submersible Pump, Capacity 1 HP 3.Supply Tank : Capacity 90 Ltrs. MOC SS 4.Measuring Tank : Capacity 60 Ltrs. MOC SS fitted with Piezometer Tube & Scale 5.Piping : GI / PVC 6.Stop Watch : Electronic 7.Control Panel : With required electrical instrumentation The whole Set-up is well designed and arranged in a good quality painted structure
WOULF BOTTLE
Product description:
We have in store an exceptional assortment of Woulff Bottles for our prestigious patrons. These products are developed using optimum quality raw material that is sourced from well known vendors. The range we offer is widely demanded by firms that are based in chemical industry. Moreover, our product line are packed using tamper-proof packages to ensure their safe delivery. Clients can avail these at industry-leading rates using various simple and easy payment modes.
Sizes:
250ml
500ml
Open Wind Tunnel Apparatus
Technical Description
A wind tunnel is the classic experiment system for aerodynamic flow experiments. The model being studied remains at rest while the flow medium is set in motion, and thus the desired flow around the model is generated. Open wind tunnel used to demonstrate and measure the aerodynamic properties of various models. For this purpose, air is drawn in from the environment and accelerated. The air flows around a model, such as an aerofoil, in a measuring section. The air is then decelerated in a diffuser and pumped back into the open by a fan. The carefully designed nozzle contour and a flow straightener ensure a uniform velocity distribution with little turbulence in the closed measuring section. The flow cross section of the measuring section is square. The built-in axial fan with guide vane and a variable-speed drive is characterised by an energy-efficient operation at high efficiency. Air velocities of up to 28m/s can be reached in this open wind tunnel. The trainer is equipped with an electronic two-component force sensor.Lift and drag are detected and displayed digitally. The air velocity in the measuring section is displayed on the inclined tube manometer. The tube manometers is recommended for measuring the pressure curves in drag bodies. Extensive accessories allow a variety of experiments, for example lift measurements, pressure distributions, boundary layer analysis or visualisation of streamlines. The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.Learning Objectives & Experiments
– Determine drag and lift coefficients for different models – Pressure distribution when flowing around drag bodies – Boundary layer analysis – Investigation of flutter – Wake measurementFeatures
* Open wind tunnel for a variety of aerodynamic experiments * Homogeneous flow through the flow straightener and special nozzle contour * Transparent measuring sectionXTEMOS ELEMENT
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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
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Numerical System
This panel is used to demonstrate the number systems such as binary, decimal and hexadecimal numbers. Toggle switches used to activate the displays showing the particular number entered. Input may be entered either as decimal or binary numbers with a toggle switch for mode selection. Decimal numbers are shown on a three digit seven segment LED display. 12 V / 2 A DC adaptor is required to operate it.
