We offer A.C. Servomotor Study usefull for control laboratory experiments. Two phase a.c. servomotor is one of the very important electromechanical actuators having applications in the area of control systems. The study of its operating principle and features form a part of the first course on automatic control systems in electrical engineering curriculum. It's small size, low inertia and alm... Click for Details [ Offer Expiry Date : 10-Aug-2012 ]
Study of Automatic Control System forms an integral part of the engineering education in the disciplines of Electrical, Telecommunication, Electronics, Mechanical, Industrial and Chemical Engineering. Actual industrial control systems being complex, bulky and expensive, are not suitable for classroom training purposes. Realising the need for laboratory support in Control Engineering and Instrument... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer D. C. Position Control System usefull in control laboratory experiment. This unit provides the students an opportunity to study and operate a practical electro-mechanical angular-position-control system. The system is built around a good quality permanent magnet armature controlled d.c. motor, speed reduction gear-set, potentiometric error detector using special 360° revolution s... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer Dependence of Hall Coefficient on Temperature usefull in physics and material science lab. The Hall voltage for p-carriers has opposite sign from that for n-carriers. Therefore if a semiconductor with p-type doping is gradually heated up, more and more electrons from its valence band will go to conduction band. As a result hall voltage would fall rapidly with temperature and even bec... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer precision Digital Microvoltmeter very usefull for general laboratory and R&D labs. It is a very versatile multipurpose instrument for the measurement of low dc voltage. It has 5 decade ranges from 1mV to 10V with 100% over-ranging. For better accuracy and convenience, readings are directly obtained on 3½ digit DPM (Digital Panel Meter).This instrument uses a very well desi... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer Digital Gaussmeter, DGM-204 operates on the principle of Hall Effect in Semiconductors. A semiconductor carrying current develops an electromotive force, when placed in a magnetic field, in a direction perpendicular to the direction of both electric current and magnetic field. The magnitude of this e.m.f. is proportional to the field intensity if the current is kept constant. This e.... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer precision Digital Picoammeter very usefull for general laboratory and R&D labs. This is a very versatile multipurpose equipment for the measurement of low dc currents. It has 6 decade ranges with 100% over-ranging from 10-9A to 10-4A. For the ease, readings are directly obtained on a 3½ digit DPM.The instrument uses a well designed precision FET input electrometer operatio... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer Electron Spin Resonance Spectrometer, in recent years Magnetic Resonance has developed into a very useful and powerful tool in solid state research. In this method, use is made of the Zeeman interaction of the magnetic dipoles associated with the nucleus or electron, when placed in an external magnetic field. Accordingly, they are identified as NMR (Nuclear Magnetic Resonance) or ESR... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer Four Probe Method is one of the standard and most widely used method for the measurement of resistivity. In its useful form, the four probes are collinear. The error due to contact resistance, which is significant in the electrical measurement on semiconductors, is avoided by the use of two extra contacts (probes) between the current contacts. In this arrangement the contact resistan... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer Apparatus for Measurement of Susceptibility of Paramagnetic Solids by Gouy’s Method in this, the solid sample in the form of a long cylinder (area of cross section A) is hung from the pan of a balance and is placed such that one end of the sample is between the pole-pieces of the magnet (field H ) and the other one is outside the field. The force exerted on the sample by ... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer Linear System Simulator useful for control labs. The set-up offered is a variable configuration simulated system designed for time domain studies of both open loop and closed loop systems. Selection at block diagram level eliminates the need to bother about the details of electronic circuitry and its assembly. The simulator shown includes transfer functions of the form 1/s and 1/(sT+... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
Hysterisis Loop tracer enables the user to determine accurately various magnetic parameters of ferromagnetic substances, viz. coercivity,retentivity, saturation magnetisation and hysteresis loss.The present set-up can accept the samples of thin wires of different diameters. The demagnetisationeffects, different diameters of samples and eddy currents (due to the conducting property of the materi... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer Magnetoresistance set-up, it is noticed that the resistance of the sample changes when the magnetic field is turned on. The phenomenon, called magnetoresistance, is due to the fact that the drift velocity of all carriers is not same. With the magnetic field on; the Hall voltage V = Eyt = v X H compensates exactly the Lorentz force for carriers with the average velocity; slower carrie... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
Formerly known as Scientific Equipment & Services, we have the pleasure of introducing ourselves as a reputed manufacturers of complete laboratory experiments and precision measuring instruments for BS and MS laboratories of Physics and Electronics.For the last 39 years, we have been catering to the needs of over 1200 institutions in over 32 countries. We, while orienting ourselves to the need... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer Apparatus for the Measurement of Susceptibility of Paramagnetic Solution by Quinck’s Tube MethodThe force acts on any substance when it is placed in a inhomogeneous magnetic field. This force depends on he susceptibility c, of the material, i.e., on ratio of intensity of magnetisation to magnetising field (I/H). Quantitatively it refers to the extent of induced magnetisation in... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer Semiconductors Diodes Characteristics with this following characteristics can be studied:• Forward and reverse characteristics of Ge, Si diodes and LEDs• Study of Zener diode characteristics• CRO display of forward and reverse characteristics.The set-up is provided with a booklet which contains its theory of operation,... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
Our Dielectric Constant Setup is a laboratory experiment to demostrate to the students the concept of Dielectric Constant, its measurement, measurement of curie temperature. Dielectric or electrical insulating materials are understood as materials in which electrostic field can persist for long times. Layers of such substances are commonly inserted into capacitors to improve their perfomance,... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer Study of P-N Junction, this is an advanced level experiment to be performed on commercially available diodes viz. germanium or silicon diodes, various types of LED’s and also on the base-emitter/collector-base junctions of a transistor. The results of the experiments not only give the device characteristics but also provide an insight into the properties of the materials used i... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer Temperature Control System use full for control labs. This experiment has been designed to expose the students to a practical control system, its various stages for control, and the tuning of a PID controller. The process consists of a small and fast responding oven which can be controlled in the temperature range from ambient to about 90°C. Temperature readings may be taken manu... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
We offer precision True RMS A.C. Millivoltmeter, ACM-102 & ACM-103.ACM-102: True RMS A.C. Millivoltmeter, ACM-102 is based on AD536. This is a completely monolithic integrated circuit which performs true rms-to-dc conversion of any waveform. The true rms value of a waveform is more useful quantity than average rectified value, since it relates directly to the power of the signal. The cres... Click for Details [ Offer Expiry Date : 30-Apr-2012 ]
