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Weather Monitoring System
Nvis 6010 Weather Monitoring System is a wireless and solar operated system which is designed to monitor the environmental conditions. The combination of six sensors makes it simple and economical package. Different sensors embedded in a single unit allows it to measure various parameters such as Wind speed, Wind direction, Temperature, Relative Humidity , Rain gauge and light intensity simultaneously. Capability of sensors to resist heavy rainfall without any effect on performance increases its life span. System comprises of a hardware and a software. All the above parameters are displayed on software window. It transmits the data every two minutes. It is a highly versatile system having very much importance in the areas where inadequacy of electricity is a major problem. Product Features Solar Operated System Wireless Transmission of Data Modular design Standardized sensor outputs Low power consumption Real-time or on-site data storage Accurate measurement Software Setup Low maintenance
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Wave and Propagation Trainer
The NV2000 Wave and Propagation Trainer is a useful training system for the Laboratories. It helps student to learn Wave Properties and Propagation results. Concepts of Reflection, Refraction, Polarization, Interference, Standing waves, Interferometer can be understood very easily. The setup is mainly consists of Microwave Transmitter, Microwave Receiver, Goniometer scale. Alongwith this setup lot of accessories are provided to perform different experiments. A user friendly manual is provided with this system to help student in performing the experiments and to understand the topic theoretically. NV2000, Wave and Propagation Trainer is an ideal platform to enhance education, training, skills & development amongs our young minds. Product Features A Complete set for Transmission, Reception and Measurement of Microwave Power. Digital displays are provided for relative strength measurement of microwave. Accessories are provided in a carrying case. Complete set of accessories for performing the experiments of Reflection, Refraction, polarization Interference etc. Audio / Voice communication facility is provided. Provided with a detector probe for field detection. Scope of Learning To understand the Basic setup and Introduction to the given system To understand the Working of Transmitter and Receive To study the Standing Waves and Measure the Wavelength of Microwave To study the Reflection in Microwaves To study the Refraction in Microwaves (Snell's Law) To study the Polarization in Microwaves To study the double slit Diffraction and Interference in Microwaves To study the Fabry-Perot Interferomete To study the Voice Communication with the help of Microwave Receiver
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water analysis kit
Nvis 1101 Water Analysis kit is a unique and simple kit for determination and analysis of impurities present in water. Water Analysis is the process of detecting undesirable chemical and biological contaminants in the given water sample. The goal is to analyze the impurities of water and check its purity and safety level. Nvis 1101 is provided with all the required accessories like test tubes, syringe, and beakers and various chemicals used. Product Features pH level Test, Residual chlorine Test, Chloride Test, Fluoride Test, Iron Test, Total Hardness Test, Ammonia Test Simple and complete solution for determination of impurities in water Kit provided in a convenient carrying case Supplied with glass test tubes, syringe, and beakers Learning material CD Scope of Learning To measure pH level in water sample To test the presence of Residual Chlorine in water sample and measure its amount To test the presence of Chloride in water sample and measure its amount To test the presence of Fluoride in water sample and measure its amount To test the presence of Iron in water sample and measure its amount To test the presence of total Hardness in water sample and measure its amount To test the presence of Ammonia in water sample and measure its amount
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Ward Leonard Method Of Dc Machine
Nvis 7036 Ward Leonard Method of DC Machine is an elite training system for Electrical Laboratories. The product helps you to get fully acquainted with the basic concepts and functioning of a DC machines. The product demonstrates the Ward-Leonard Method of DC Machine through which user can not only operate but also control the speed of DC Machine in either direction without using DC supply. Separate terminals of Armature and Field windings are brought out on a terminal box fitted on top of the Motor so that one can connect them separately to the panel and can perform experiment correspondingly. Reverse connecting Switch is provided to control the speed of DC Motor in either direction. The trainer thus provides explicit understanding of the subject. All protection devices are in built so there is almost no chance of fault or danger to user. Product Features Exclusive and Compact Design Electrical Loading Arrangement Flexible Shaft Coupling Arrangement Provided with Digital Tachometer Machine with Class “B” Insulation Heavy Duty Base/Channel Equipped with Supply Indication Lamps Terminals Provided to Use the Optional Externally Equipped with Supply Indication Lamps Designed by Considering all the Safety Standards Diagrammatic Representation for the Ease of Connections Product Tutorial Scope of Learning Study of the speed control of Separately Excited DC Shunt Motor in either direction by Ward Leonard Method.
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Vector Network Analyser
he LA19-13-02 is a PC-driven Vector Network Analyser suitable for measuring a wide range of devices from 3MHz to 3GHz with 100Hz resolution. Its full s-parameter test set includes bias-Ts for biasing active devices. It is housed in a small lightweight package making it very portable. The user interface control software provides many useful features including memory functions, limit lines, de-embedding, time-domain and reference plane extension. Also, utilities such as measurement of power at the 1dB gain compression point and AM to PM conversion factor add versatility to the instrument. Unique features include OSL calibration that does not require a precision load and importing of data files into memory traces for live comparison with measurements. Product Features 3MHz-3GHz range 100Hz resolution 80dB dynamic range Full s-parameter test set De-embedding capability Time domain facility P1dB and AM-PM measurements Light weight Low cost
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Understanding Wien Bridge
Nvis 6506 Understanding Wien Bridge is an elite training system for the analog electronics laboratories. It is useful in understanding the basic concepts and functioning of the oscillator and its use in generation of sinusoidal waveform. This Platform describes the complete design of the Wein Bridge Oscillator. The training system is designed in such a way that for performing any experiment students have to connect the links by patch cords so it is very helpful for students to learn step by step design of Wein Bridge Oscillator. Nvis 6506, Understanding Wien Bridge is an ideal platform to enhance education, training, skills & development amongs our young minds. Product Features Exclusive and compact design Straight forward representation of Wein Bridge Oscillator +12V, -12V inbuilt SMPS provided with the trainer for power supply Designed with considering all the safety standards Online product tutorial Low cost trainer including illustration of Oscillator design using passive elements Scope of Learning Study of design and functioning of Wein Bridge Oscillator
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Understanding SMPS
Nvis 7002 Understanding SMPS has been designed specifically for the study of Switch Mode Power Supply. SMPS consists of a rectifier section, filter section, switching section and regulator section. Each section is explained separately and the internal structure of different blocks is also described. Switching transformer and chopper controller circuit are the main parts of SMPS. Switching Transformer works at high frequency, so it is also called as HFT i.e, High Frequency Transformer and the chopper controller is simply DC to DC controller. It gives constant output even when the AC mains is varied from 80V to 270V. Students can vary Voltage by using Variac. Nvis 7002, Understanding SMPS is an ideal platform to enhance education, vocational training, skills & development amongs our young minds. Product Features Physical representation of Switching Transformer Various Test Points are provided to observe output Diagrammatical representation of each block Fault identification switches are also provided On-board protective shield to prevent shock Designed by considering all safety standards Online product tutorial
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Understanding Characteristics of MOSFET, FET and UJT
Nvis 6512A Understanding Characteristics of MOSFET, FET & UJT is a compact, ready to use experiment board. This is useful for students to plot different characteristics of n-channel MOSFET, n-channel FET and UJT and to understand operation of these power electronics devices in various regions. Using this product student can also evaluate FET parameters (Drain resistance, Transconductance, and Amplification factor) & UJT parameters (Inter base resistance and intrinsic standoff ratio). In-built DC power supply, voltmeter and ammeter with DPM features make this product easy to operate and can be used as standalone system. Breadboard allows student to construct circuits using external components along with on-board resources Nvis 6512A , Understanding Characteristics of MOSFET, FET and UJT is an ideal platform to enhance education, training, skills & development amongs our young minds. Product Features Generalized design Standalone operation Inbuilt fixed and variable power supply Toggle switch for selection of variable power supply Inbuilt Ammeter and Voltmeter Bread board Resistance bank 10 turn potentiometer Online product tutorial Scope of Learning To study and plot the Drain Characteristics of n channel MOSFET To study and plot the Transfer Characteristics of n channel MOSFET To study and plot the V-I characteristics of JFET Evaluation of following parameters of JFET: DC Drain resistance, Transconductance, Amplification factor To plot the VI characteristics of UJT Evaluation of following parameters of UJT: Intrinsic Stand-off Ratio, Inter base resistance
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under voltage
Nvis 7093 Under Voltage & Over Voltage Relay Training System is intended for advanced practical training in protective devices regarding transmission lines, cables and network sections in power systems lab. A Relay is an electrically operated switch use an electromagnet to operate a switching mechanism mechanically.Relays protect the power distribution equipment against continuing voltage sags that are detrimental to motors, ballasts, etc. Nvis 7093 provides theoretical and practical experience to students by controlling, monitoring and analyzing individual relay settings and tripping characteristics. This product provides detailed representation of power transmission system which helps the students to perform experiments with minimal supervision. It also includes built-in variable supply and fast response graphical LCD display which makes the measurement system very precise. Nvis 7093, Under Voltage & Over Voltage Relay Testing System is an ideal platform to enhance education, training, skills & development amongs our young minds. Product Features Alphanumeric 16 x 2 Big Font LCD for better visibility Electromechanical relay to understand internal mechanism and its working Inbuilt Single Phase Variac with isolation Tripping function settings Exclusive and attractive design Diagrammatic representation of relay connection in transmission line Designed by considering all the safety standards Learning material CD Scope of Learning To study the operating performance of Over Voltage Relay with different plug settings To study the operating performance of Under Voltage Relay with different plug settings
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Ultra Portable Solar Cooker
This portable Solar Cooker runs on solar energy. The rays are concentrated inside the Cooker and heat gradually rises and heats up your food. This unique design uses the sun’s light energy and converts it into heat energy by concentrating it at one location. By using a black cooking pot the heat becomes trapped and commences cooking. Product Features Handy & Portable Quick to set up Light in weight Easy to use Highly efficient
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Two Port Network Trainer
Two Port Network Trainer NV6516 has been designed specifically for the Two Port Network analysis. This is useful for students to study the operation and behavior of any two-port network under several operating conditions. The study of two-port network is very important as they form the building block of most electrical systems. On this training system, we can calculate various parameters under open circuit and short circuit conditions. Experimental calculations of Z-Parameters, Y-Parameters and ABCD-Parameters of a two port network can be easily measured. In-built DC power supply is provided. NV6516, Two Port Network Trainer is an ideal platform to enhance education, training, skills & development amongs our young minds. Product Features Easy experimental illustration of Two Port Network analysis Inbuilt +12 V and +5 V DC Power Supplies Low cost e-Manual Scope of Learning Study of Z-Parameters of a Passive Two Port Network Study of Y-Parameters of a Passive Two Port Network Study of ABCD-Parameters of a Passive Two Port Network
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Transmission Line Training System
Transmission Line is the key learning concept for Electrical Engineers. Nvis 7063 Transmission Line Training System is exclusively designed to deliver the learning aspects of the electrical transmission line. Digital display is provided for easy measurement of Voltage, Current, Power, Power Factor, etc. These parameters help students to learn the characteristics of transmission line and calculations of the ABCD, H, Z parameters. Students can perform various experiments like short, medium and long transmission line and their behavior. Also one of the important experiment which can be performed with this training system is Ferranti Effect. Nvis 7063, Transmission Line Training System is an ideal platform to enhance education, training, skills & development amongs our young minds. Product Features 240 x 128 Graphical LCD Display RISC Microcontroller based design for measurement Simultaneous display of sending and receiving parameters Highly sensitive to change in reading for better controlling High Resolution ADC for accurate measurement Inbuilt Single Phase Variac to regulate supply Equipped with fixed R, L & C Load Facility to configure Short, Medium & Long Transmission Line using multiple value of R, L & C Designed by considering all the safety standards Diagrammatic representation for the ease of connections Learning material CD Scope of Learning To study Short Circuit, Medium, Long Transmission Line Determine the ABCD, H, Z and Image parameters of Short Transmission Line Determine the ABCD, H, Z and Image parameters of Medium Transmission Line For T network and For pi network Determine the ABCD, H, Z and Image parameters for Long Transmission Line Measure the receiving end voltage of each line under no load or lightly load condition to understand Ferranti effect Understand the performance of transmission line under different loads
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Three Phase Induction Motor Trainer
Nvis 7006 Three Phase Induction Motor Lab is an adaptable training system for the Electrical laboratories. The product helps you to get fully acquainted with the basic concepts and functioning of a Three Phase squirrel cage Induction Motor. The trainer practically expertises you in exercises like Running and Reversing, No Load T est, Block Rotor Test, Slip Measurement, Load Test etc. The vast scope of learning makes the subject completely understandable. Product Features Machine with Mechanical Loading Arrangement Provided with Digital Tachometer Control board consist of high grade FRP material to provide utmost safety to the users Machine with Class "B" Insulation Heavy Duty Base/Channel Brake-Drum/Pulley with heat suppression facility Equipped with supply indication lamps Designed by considering all the safety standards Diagrammatic representation for the ease of connections Exclusive and Compact Design Product Tutorial (CD) Scope of Learning Study of Running and Reversing of Three Phase Induction Motor Study of No Load Test performed in a Three Phase Induction Motor Study of Block Rotor Test performed in a Three Phase Induction Motor Measurement of Slip in a Three Phase Induction Motor Study of Speed-Torque characteristics in a Three Phase Induction Motor
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NV6518 Network Trainer Device
T and π Network Trainer NV6518 has been exclusively and attractive designed to demonstrate the significance of image and characteristic impedance of T and π network. It can be used as a stand alone unit with inbuilt DC power supply. Various scope of learning makes the subject understanding complete. This trainer includes not only the experimental calculation of image and characteristic impedance but also verifies it by comparing the theoretical values under T and π networks in a sequential manner. With this, students can learn about importance of Symmetrical and Unsymmetrical networks. NV6518, T and π Network Trainer is an ideal platform to enhance education, training, skills & development amongs our young minds. Product Features Exclusive and compact design Simple representation of T and π Network Diagrammatic representation of the circuits Inbuilt +5V DC power supply e-Manual
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Synchronous Machine Training System
Synchronous Machines are used as Generators in power plants because of their characteristic relation of speed with frequency. The study of power generators is the part of most of the curriculum. NV7018 Synchronous Machine Training System is an exclusive product designed to demonstrate the fundamental concepts of parallel operation of Three Phase Synchronous Generators. This product is equipped with advanced measurement system for AC Parameters and DC Parameters. It has inbuilt Phase Sequence Indicator which is highly stable and accurate. Due to use of big size LCD display it is possible to observe multiple parameters simultaneously. The RISC microcontroller based design provides better resolution and sensitivity as compared to analog meters. The panel is also equipped with advanced Digital Synchroscope as well as Conventional Lamps (Dark Lamp Method) to perform the synchronization of two generators. Students can learn the basics as well as advanced experiments and safety conditions with precautions that are encountered while generating power with multiple generators . Various terminals including three phase starter terminals are provided on front panel to provide flexibility and ease of connections while performing experiments. Students can perform experiments like Synchronization of parallel generators using advanced and conventional methods, behavior of generator, load sharing, power transfer parameters, analysis of voltage regulation of generator, V curve and inverse V curve in Three Phase Synchronous Generators with a vast flexibility. Product Features Two Identical Motor Generator Set Electrical Loading Arrangement 240 X 128 Graphical LCD Display RISC Microcontroller based design for measurement High resolution ADC for accurate measurement High sensitive to change in reading for better controlling Inbuilt Digital Phase Sequence Indicator Equipped with Synchroscope Inbuilt Multifunction Meter for AC & DC Measurement Lamps are provided on front panel for synchronisation Designed considering all the safety standards Provided with shaft protection cover Equipped with supply indication lamps Heavy Duty Base/Channel Machine with Class "B" Insulation Diagrammatic representation for the ease of connections Product tutorial (CD) Scope of Learning Synchronization of two Three Phase Alternators by a) Synchronoscope method b) Three dark lamp method c) Two bright one dark lamp method Regulation of Three Phase Alternator by a) Open Circuit test b) Short Circuit test Study & Analysis of V-Curve & Inverse V-Curve of Synchronous Motor
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unsymmetrical Fault Demonstrator
Nvis 7065 Symmetrical and Unsymmetrical fault Demonstrator is a training system designed to explain the basic faults which can occur in a Transmission Line. Using Three Phase step down transformer, the training product reinforces the knowledge of all the basic faults in Transmission Line and corresponding sequence characteristics. In addition to this, it also provides an opportunity to a student to use a wide variety of electrical components such as MCB, Selector Switch, Ammeter, Voltmeter, Three Phase Transformer, Indicating Lamps, Fuse etc. This product along with the learning material represents almost all faults in Power System training course. Nvis 7065, Symmetrical and Unsymmetrical Fault Demonstrator is an ideal platform to enhance education, training, skills & development amongs our young minds. Product Features Fast response time High quality meters Test terminals provided to analyze the waveforms Line Voltage and Phase Voltage selection facility Designed by considering all the safety precautions Diagrammatic representation for the ease of connections Online product tutorial Scope of Learning Line to Ground (L-G) Fault analysis of a Single Phase Transmission Line Single Line to Ground Fault (L-G) analysis of a Three Phase Transmission Line Line to Line Fault (L-L) analysis of Three Phase Transmission Line Double Line to Ground Fault (L-L-G) analysis of Three Phase Transmission Line Symmetrical L-L-L Fault analysis of Three Phase Transmission Line Symmetrical L-L-L-G Fault analysis of Three Phase Transmission Line
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SWR meter
SWR Meter Nvis 103A is a Microcontroller based Equipment with LCD. The analog metres have multiple scales which makes the instrument very complicated for the students. The digital display of SWR & dB solves the problem. Since the SWR meter equipment has a microcontroller based digital display so there is no need of expanded scales, as it was in conventional instruments.
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Two Single Phase Transformer
Nvis 7012 Parallel Operation of Two Single Phase Transformer has been exclusively designed to demonstrate the fundamental concepts of parallel connections of two or more single phase transformers. One can load the transformer more than the rating of the individual transformer to analyze Parallel operation phenomenon. Students can learn about the significance of connecting the two transformers in parallel and its effect on the system. Additionally, one can also learn the polarity in the transformers. The training system helps to get fully acquainted with the functioning of a single phase transformer. The varied scope of learning makes the subject easy and interesting. Product Features Two Identical Single Phase Transformer Facility to use Fixed and Variable Load Equipped with supply indication lamp Designed by considering all the safety standards Diagrammatic representation for the ease of connections Exclusive and Compact Design Online Product Tutorial Scope of Learning Study of polarity test under two single phase transformers Study of parallel operation of two single phase transformers with equal voltage ratio Study of parallel operation of two single phase transformers with unequal voltage ratio
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Spectral Response Training System
The spectral response is the ratio of the current generated by the solar cell to the power incident on the solar cell. This setup gives an understanding of how a solar cell responds to light of different wavelengths The output also varies with the wavelength of incident light This setup helps us to evaluate the amount of current that the solar cell will produce when exposed to different wavelengths of light. This setup gives an understanding of how a solar cell responds to light of different wavelengths. Product Features Capability to produce 20 types of wavelengths Separate graters for each LED for better understanding of the system Proper housing for Solar cell against any noise Provision for selection of Wavelength of light using LED selectors Calibrated cell with the known spectral response Facility to verify any solar cell with in the specific range of solar cell tray. Scope of Learning Measurement of Quantum efficiency of solar cell for different wavelengths of light and obtain the quantum efficiency curve Measurement and comparison of spectral response for different wavelengths of light and obtain spectral response curve
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NV6565 SOP and POS Implementation Trainer
NV6565 SOP & POS Implementation Trainer is a compact, ready to use digital electronics experiment board. It is useful for students to get a practical insight into the implementation of different canonical forms. The various applications of a canonical forms are representing any Boolean function as a product of sum or sum of product. NV6565 has built in clock source, logic high-low input facility and LEDs for visual indication of input-output states. Besides this, a +5V DC adaptor is also provided for power supply. NV6565, SOP & POS Implementation Trainer is an ideal platform to enhance education, training, skills & development amongs our young minds. Product Features Stand alone system Easy illustration of different types of canonical forms LEDs for visual indication of input and output logic states SPDT switches for input logic selection Learning Material CD Scope of Learning Study of boolean function in different canonical forms. Study of Quine Mclusky method and realize its NOR-OR implementati
Country of Origin : India
Type : Sop Stand
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Sonometer
Nvis 6052 Experimentation with Sonometer is a useful apparatus for investigating the vibration of a string or wire under tension. The equipment allows the length of the string and its tension to be varied. Sonometer can determine the Frequency of AC mains in an easy way with very precise and fine arrangement. It consists of a thin metallic (steel) wire stretched over two bridges that are usually mounted on a soundboard, also known as monochord. It is used to measure the vibration frequency, tension, density, or diameter of the wire, or to verify relations between these quantities.
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Soldering Station
Product Features Accurate and advanced temperature Control with micro controller technology User-friendly operation Set / Read of temperature Increase and Decrease of keys to set temperature once set the read temperature will display after two seconds by default Temperature control accuracy ± 1°C Last set value of temperature is stored in memory Digital calibration will be done through micro controller to avoid analog components tolerances Password protection feature to stop tampering with set temperature by the operators for (Bulk Customers) Burn proof silicon cable with thermal resistance up to 600 °C
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solar water pumping
Solar powered pumps have the output of flow rate and water pressure varying depending on different conditions of the PV module. This setup helps to analyze the performance of different pumps at different parameters This set up is used to drive AC and DC water pumps depending on different conditions of PV module. Effect of Series and parallel combination on the flow rate and pressure of water at different voltage levels. To calculate efficiency of- DC-AC pump by measuring input power and flow rate at output and compare which is better. VFD (Variable Frequency Drive) and DC pump by changing the inclination angle. To study the frequency of VFD at different inclination angle. Product Features System with dual capability for training as well as supply power for applications. Designed to operate pump with DC pump controller, VFD and inverter in 3 different modes and perform output analysis. System has an off-grid inverter to be able to run a load of 1000W when pumps are not in operations. Provide 1 hp 3 phase AC surface mounted pump and 1 hp DC surface mounted pump. Scope of Learning Study of PV water pumping system efficiency for DC pump and AC pump Analysis of PV power back with battery backup To vary the inclination angle of solar panel to various levels and Analyze the frequency change of VFD Power generation of solar panel in order to find an optimal tilt for fixed collector Analyze the efficiency of VFD and DC controller for change in input power Measure the water flow at different input of power.
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Solar Water Pump
Nvis 453 Solar Water Pump is designed to provide a high quality, cost-effective and eco-friendly solution for irrigation. This product works completely independent of the grid or any other fossil fuel and makes irrigation possible at remote places which are difficult to tie to a grid. The Pump uses the latest IGBT based Variable Frequency Drive which is highly reliable and doesn’t need any maintenance for years altogether. The MPPT technology used in our product ensures nonstop irrigation in all weather conditions. When there isn’t enough Solar Energy, the grid can also be used to run the motor. The grid mode allows flow rate adjustment as well. Nvis 453 includes Solar Panels and a DC Drive. The Water Pump is available at an extra cost. The system contains all the necessary protections including dry run protection to operate continuously. Applications IrrigationIndustrial Application HotelsFarmsRural Water SupplyGardens Product Features Ideal for remote areas where grid supply is not available Digital Signal Processing based technology Soft start of motor pump to increase its life Works on solar & grid Compatible with mono block and submersible pumps Suitable for day time irrigation Suitable for 1, 3 and 5 HP three phase pumps MPPT Technology Adjustable water flow in grid mode Equipped with all necessary protections Environment friendly
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PCB Design
Nvis PCB LAB is a complete solution for designing PCB. This solution includes all the necessary machines and chemicals which are used in the PCB development process. The PCB artwork film maker is used as a contact printer for creating design films from the PCB Layout. The artwork table is used for manually designing the films and for correcting or changing the existing films. The shearing machine is used for cutting the PCB according to film size. The photoresist dip coating machine is used for coating photoresist on the PCB Laminate. After photoresist coating, the PCB and films are placed in UV exposure machine for exposing. After exposing the development tank is used to remove unused photoresist. The dye tank is used for highlighting the design on the PCB. The etching machine is used for removing unused copper from the PCB. The drilling machine is used for making the holes in the PCB. The PCB design kit is provided which include tapes, stencils and other accessories used for designing the PCB.
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