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We offer a complete product range of Sonometer, Solar Power Lab, Electricity Lab, Single Phase Transformer Lab and Power Measurement by Two Wattmeter Method
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 thegrid or any other fossil fuel and makes irrigation possible at remote places which are difficult to tie to agrid.
The Pump uses the latest IGBT based Variable Frequency Drive which is highly reliable and doesnt need any maintenance for years altogether. The MPPT technology used in our product ensures nonstop irrigation in all weather conditions. When there isnt enough Solar Energy, the grid can also be used to run themotor. The grid mode allows flow rate adjustment as well.
Nvis453includes 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
Irrigation
IndustrialApplication
Hotels
Farms
Rural Water Supply
Gardens
Environment friendly
Nvis 650 GSM Remote Control is used to switch ON/OFF any appliance/motor from amobile phone through SMS using Android app. The System can be password protected so that any accidental operation can be avoided.
Application Area
Solar energy is a gift to us given by Nature. The energy radiated from the Sun is utilized to generate electricity.
Equipped with Motion Sensor (optional)Nvis Solar street Pole can be provided with motion Sensor to save energy when light is not required. The lamp will get ON in the evening and will glow for 4 hours after that it will get OFF and motion Sensor will be enabled. If a person comes in the range of motion Sensor it will glow the lamp for 10 minutes (can be customised).
| Model No. | Nvis 450B |
|---|---|
| LED Lamp | 8W |
| Battery | 40 AH |
| Solar Panel | 37 Wp |
| Charge Controller | 10A |
| Operating Hours | 7 to 8 Hrs |
| Pole | 15 Feet |
LED displays are also called as Green Light Displays because of their low power consumption and high efficiency. LED displays can be used for Multi Language Message, Date-Time and Graphics Display like for Indoor Sports Stadium, Advertisement, Shopping Malls, Showrooms, Airport, Railway Stations, Bus Stand and many more indoor and outdoor uses.
Product Features
India is one of the country blessed with ample sunlight. The Parabolic Solar Cooker makes use of this solar energy for the purpose of cooking food. The curved mirror area directs concentrated solar energy on to the cooking vessel and the food gets cooked. This cooker is suited for outdoor cooking during festivals, picnics and parties. It is also ideal for schools catering mid day meals to children. This technique saves fuel cost and is clean energy and there is no carbon emission.
Product Features
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
| Operating Temperature | |
| Operating Voltage | +5V DC |
| Operating Range | -10°C to 90°C |
| Resolution | 1°C |
| Relative Humidity | |
| Operating Voltage | +5V DC |
| Operating Range | 0 to 100% |
| Resolution | 5% |
| Wind Speed Sensor | |
| Speed | 0 to 20m/S |
| Resolution | 1m/S |
| Wind Direction Sensor | |
| Direction | North, East, West, South, North-East, East-South, North-West, South-West |
| Rainfall | |
| Operating Range | Unlimited Tipping bucket with 8 inch diameter collector & shows measurement in both cm as well as in mm |
| Accuracy | ± 2% at 1.5 inches per hour |
| Resolution | 0.1 mm |
| Light Intensity | 0 to 100% |
| Wireless Transmission | |
| Transceiver | X-Bee Module |
| Range | 30mts |
| Power Supply | |
| Battery | 12V/7AH |
| Solar Panel | 10W |
Sun drying for preservation of food stuff has been a traditional practice since ancient times. The basic principle in sun drying is to get food stuff dehydrated. In this manner many types of food items can be stored for a longer period of time, and can be packaged appropriately and transported over longer distances.
The Solar Crop Dryer employs similar process combined with scientific engineering for the purpose of hygienic food preservation in less time. Solar Crop Dr yer make use of solar radiation, ambient temperature, relative humidity. It also incorporates forced air circulation by opting for a Solar fan to enhance dehydration process. It is easy to install in a suitable place where there is bright sunlight.
Product Features
Nvis 952 Air Purifier is an electronic air cleaner which is used to keep the indoor air clean and fresh by generating negative ions. Negative ions are electrical charged particles (atoms or molecules). The proportion of negative ions is highest around moving water storms, oceans, rivers, waterfalls. It`s no wonder that we feel so energized at the beach. Thus negative ions are good for healthy breathing and help us feel better.
Product Features
| Mains Supply | 220V AC ±10% 50/60Hz |
| Coverage Area | 10 Sq. ft. |
| Power Consumption | <10Watt |
| Weight | 385g (approximate) |
| Dimensions (mm) | 160 L x 120 B x 55 H |
Nvis 6005A Solar Power Lab is an innovative product that demonstrates the use of Solar Energy for power generation. This Lab demonstrates the power transformation from Solar PV modules to Battery, and from Battery to Loads. It consists of a Micro Controller unit to display Voltage and Current on LCD and to interface with PC to perform various experiments. Using this Lab students can also learn the V/I characteristics, charging techniques, DC to DC (Buck and Boost) Converters. This Lab is a renewable energy experimental platform.
Product Features
| Solar PV Modules | |
| Wattage | 5W |
| Quantity | 4 Nos. |
| Open Circuit Voltage (Voc) | 10V |
| Short Circuit Current (Isc) | 0.61A |
| Maximum Power Voltage (Vmp) | 8.80V |
| Maximum Power Current (Imp) | 0.57A |
| Batteries | |
| Voltage | 6V |
| Capacity | 4 Ah |
| Quantity | 4 Nos. |
| LCD | |
| Voltmeter | 0-40V |
| Ammeter | 0-3A |
Nvis 6019 Understanding Solar Tracking System is a versatile training system for study and demonstration of Solar tracking. Solar tracker is a device which tracks the motion of the Sun, thus ensuring that the maximum amount of Sunlight strikes the panels throughout the day.
Product Features
| Supply Voltage | 12V DC |
| Solar Panel | |
| Maximum Output Power (Pm) | 18W |
| Open Circuit Voltage (Voc) | 21V DC |
| Short Circuit Current (Isc) | 1.07A |
| Maximum Output Voltage (Vmp) | 17V |
| Maximum Current (Im) | 1.06A |
| DC Motor | 12V |
| Rechargeable Battery | 12V, 7Ah |
| Display | 20 x 4 LCD |
| Light Sensor | Phototransistor |
| Acceleration/Vibration/Tilt Sensor � 3 Axis | +5V @ 1ma current |
| Fuse | 1Amp (3 Nos.) |
| DC Adaptor | 12V @ 1Amp |
| Dimension (mm) | W 350 x D 280 x H 55 |
| No. of LED’s | 60 |
| Luminance | 100lm/W |
| Wattage | 6W |
| I/P Voltage | 90-270V AC |
| Dimensions (mm) | 270 x 170 x 150 |
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 suns 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
Solar energy is one of the most freely available Energy Source present around us. Photovoltaics has given a new dimension to the rapidly growing world of green technology. Solar Power Pack Nvis 430 Series is for AC Load applications like lighting, fan, computer, mobile charging, etc. It is Portable and suitable for indoor and outdoor applications
Product Features
Nvis 6000 Electricity Lab Equipment is a versatile Training System for the laboratory. It is designed such that all the basic electrical circuits can be tested. The experiments given with electricity lab kitwill develop a clear understanding of series and parallel circuits, electromagnetic induction, coil behavior with AC and DC circuits, diode and transistor characteristics etc. This simple training system provides a strong platform for detailed studies in electricals and electronics.
Nvis 6000, Electricity Lab Kit is an ideal platform to enhance education, training, skills & development amongs our young minds.
Product Features
Nvis Optics Bench is a versatile system designed to provide a comprehensive introduction to physics and science laboratories. It clarifies all the basic concepts of light. Setup includes an optics bench Concave, convex lenses and mirrors of different focal length. This Optics Bench provides the basic knowledge about properties of light such as Refraction, Reflection, Dispersion and Total internal reflection. Experiments such as determination of focal length of concave, convex lenses and mirrors can also be performed.
Nvis 6006, Optics Bench is an ideal platform to enhance education, training, skills & development amongs our young minds.
Product Features
Magnetism Lab Nvis 6004 is a versatile training kit for laboratories. It provides a good basis for understanding the fundamentals of magnetism. This kit is provided with different types of materials and shapes of magnet, Magnetic Compass, Magnetic Field Demonstrator, Lenz`s Law Apparatus and Motor Assembly.
Nvis 6004, Magnetism Lab is an ideal platform to enhance education, training, skills & development amongs our young minds.
Product Features
Nvis 7089A Electrical Workstation offers an excellent approach to the teaching of Electrical Machines principles by introducing a unique modular designed control unit. It provides flexibility for the students to carry out experiments over AC and DC Machines using a large selection of Industry standard inbuilt components.
Electrical Machines is one of the most important area of study as it helps users to understand the operational characteristics and working of AC and DC Machines. Nvis 7089A enables user to put their theory knowledge into practice with ease. There is an additional facility to make wireless connection on workstation with computer and to monitor real time electrical parameters using computer inter facing software. Users can also observe a real time graph between any of the AC and DC electrical parameters on computer.
Workstation comprises of separate AC and DC measuring sections equipped with all the necessary instruments such as digital meters, facility to connect AC and DC Supplies along with protection devices such as Fuses, MCB's, Supply Indicators, etc. There are multiple buses provided on the Workstation to make external connections while per forming AC and DC Machines Experiments.
The design of the control unit ensures to get the highest quality practical experience to user . All the necessary protective measures are taken to avoid fault or danger
Product Features
Nvis 7004 Single Phase Transformer Lab is an elite training system for the Electrical laboratories. The product helps you to get fully acquainted with the basic concepts and functioning of a Single Phase Transformer.
The product is represented in such an easy way that each test can be studied differently in proper sequence. The Lab practically expertises you in exercises like Polarity, Turns Ratio, Transformation Ratio, Iron Loss, Copper Loss, Efficiency etc. The vast scope of learning makes the subject easily and completely understandable
Product Features
Nvis 7005 Power Measurement by Two Wattmeter Method is an exclusive and useful product for Electrical laboratories. It is designed to explain the students, how total power is measured in a three phase circuit using only two wattmeters. With this product, student can study the power flow in three phase system and correspondingly calculate Active, Reactive and Apparent power. Apart from this student can easily understand different three phase parameters like Line Voltage, Line Current, Phase Voltage, Phase Current and their mutual relationships to verify star and delta properties in three phase circuit.
Product Features
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
Nvis 7007 DC Machine Lab-I is an adaptable training system for the Electrical laboratories. It can be aptly employed for understanding the basic concepts and functioning of DC Motors and Generators. The product provides hands-on experiments like Speed control, Torque-Speed Characteristics, Torque-Current Characteristics, N-I Characteristics etc. Thus it also provides explicit understanding of the subject.
Product Features
Nvis 7009 RLC Experimentation with RLC Resonance is very exclusive training system provides complete learning content for both series and parallel resonance. Resonance is an interesting phenomenon in electrical circuits in which inductive and capacitive elements behave to make a zero impedance circuit. This explanation is given with the help of passive circuits on the trainer . Multiple combination of components has been provided so that students can calculate resonance frequencies for these different combinations. Concept of Resonance frequency is explained very clearly which can be easily elaborated either on Oscilloscope or by on board display.
Product Features
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
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
Nvis 7033 Slip Ring Induction Motor Lab is an adaptable training system for the electrical laboratories. The product helps to understand the basic concepts and functioning of a Slip Ring Induction Motor. This system gives practical knowledge about the running and reversing of Induction Motor, study of no load test, block rotor test and load test etc.
This product is represented in such an easy way so that each test can be studied differently in proper sequence. Students can easily observe the test themselves using test points provided in very technical and easy way and get expected results
Product Features
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 Featuresa) Synchronoscope method
b) Three dark lamp method
c) Two bright one dark lamp method
a) Open Circuit test
b) Short Circuit test
Nvis 725A DC Supply is used in electrical engineering laboratories for the purpose of conducting experiments in DC Machines and Circuits. This product provides 200V Fixed and Variable DC output for continuous operation with an over current protection. Output voltage and current can being continuously monitored by front panel meters. The main power assembly consists of a thyristor bridge circuit which rectifies the incoming AC supply to produce a Fixed DC supply. Rectified voltage can be varied by altering the firing angle of the thyristors thereby providing Variable DC Output to the DC Machines.
Product Features
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
Cut Section of Machines is an important part for all Electrical laboratories. Study of these machines is integral part of any educational course in Engineering. Student can easily understand various parts and operation of these machines with the help of these running cut section.
A comprehensive Cut Section of all types of Machines is designed to explain the working principle behind the major Machines parts. With this, students are able to see clearly the major component of the Machines and how they are interconnected, both electrically and mechanically which helps them in enhancing their knowledge.
Product Features
Nvis 7090 MCB (Miniature Circuit Breaker) and HRC (High Rupturing Current Capacity) Fuse Testing System is designed to explain the operating behavior and characteristics of MCB`s and HRC fuse. It includes B type MCB, C type MCB and HRC fuse. These are protective devices capable of carrying currents under normal circuit conditions and automatically break the circuit whenever over load or short circuit condition occurs. Nvis 7090 provides complete learning contents to demonstrate the internal working of MCBs and HRC fuse.
The MCBs are provided in transparent case to visualize the internal architectures. Two precise integrated circuit based Thermometers are provided on bimetal contact of MCBs to analyze the temperature rise and fall. Digital timer is provided with start and stop facility to study the current versus tripping time characteristics. Inbuilt isolated variable AC Power Supply is provided for safety. The student will learn the difference in various classes of MCBs.
Nvis 7090, MCB and HRC Fuse Testing System is an ideal platform to enhance education, training, skills & development amongs our young minds.
Product Features
Nvis 7040 Single Phase Bridge Converter Drive is an Elite Training System for Power Electronic Lab to demonstrate the operational functioning of Single Phase Bridge Converter. It includes experiment such as speed control of DC Motor by using full wave SCR configuration. It helps students to know how to generate firing pulses for single phase converter using ramp comparator scheme.Nvis 7040 is equipped with SCR firing control circuit that deals with triggering, modulation and instrumentation which derives the operating characteristics and capabilities of Converter. It incorporates all the necessary test points in order to explain the gate circuit by analyzing gate waveforms at different blocks through inbuilt Power Scope. Separate terminals of armature and field winding are provided to operate the machine in either of the excitation mode.
Product Features
NV7064 Radial and Ring Main Distribution System is specially designed to illustrate the working phenomenon of Distribution System configured as Radial and Ring Main Distribution System. Distribution System is the part of electric power system which connects the high voltage transmission networks to the low voltage consumer service points. Distribution Systems should be designed in a way that Voltage variation at consumer terminals must be maintained with in 5%.
NV7064 provides complete learning content to develop Ring and Radial Distribution System manually. The Voltage regulation is studied by performing experiments & comparison. It includes inbuilt DC Variable Supply with adequate protections, precise digital meters are used along with separate sections for Radial and Ring Main Distribution System so that students can understand the significance of these systems in a proper sequence.
NV7064, Radial and Ring Main Distribution System is an ideal platform to enhance education, training, skills & development amongs our young minds.
Product Features
Nvis 7021 Shunt Motor Series Generator Lab is an elite training system for the Electrical laboratories. This product help students to understand basic operations of DC Series Generator. It can aptly be used for performing various experiments like Working of Generator, Analysis of Magnetic Characteristic and also efficiency at any desired load. Separate terminals of armature and field windings are provided on top of the machine. Starter and rheostat terminals are provided on the panel so that these can be connected externally to the circuit. The product thus provides complete understanding of experiments with Shunt Motor and Series Generator.
Product Features
Nvis 7062 Power Measurement by Three Voltmeter and Three Ammeter Method is an exclusive and important product designed to explain students about the basic concepts of power measurement in electrical devices by Three Voltmeter and Three Ammeter Method. Using these method students can calculate the power and power factor in case of non-availability of the Wattmeter.This is a user friendly product in which students can make connections and calculate the power by using test points provided. The panel is equipped with all necessary protection circuits to avoid fault.
Product Features
The solar PV modules are connected in series or parallel to meet the power requirement. Also sun tracking is necessary to get maximum output from the solar array.
This set up gives idea about the PV system design and installation
This set up gives idea about
It is desirable to operate the PV module at the maximum power point so that maximum power can be delivered to the load under varying temperature and insolation conditions. This is where MPPT (Maximum Power Point Tracking) and PWM (Pulse Width Modulation) charge controller comes into play in the system.
This set up helps to understand the difference between MPPT and PWM charge controller depending on-
A DC-DC converter is placed between the solar panel and the battery in order to step up/down the voltage of solar panel. It also saves the battery from damage. This setup gives the idea about the different voltage rating applications in the system.
This setup gives the idea about
An overall PV system study is important to understand the working of the system and the parameters on which the output of the system is dependent. This setup helps to study and understand the variation of output power depending on various parameters.
This set up gives idea about variation in output power depending on-
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.
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
PV modules are used in PV system for generating electricity. PV modules are available in range of power ratings that vary from small 2 Wp modules to up to 300 Wp modules. Also, these modules are made from different types of materials. The PV Module Technologies System gives you an insight about the different type of modules. System consists of three different type of PV modules, arranged in such a way that angle of the array can be easily changed and various connections can be made with the reference of the sun rays.
This set up gives an idea about the I-V curve characteristics of a PV module which depend on the following
Solar Cooker is pollution free cooking equipment. It uses sunlight to cook food and sunlight is abundant on earth. The idea behind the designing of Solar Cooker Demonstrator is to promote the use of renewable energy in our daily life and to learn the science behind it. Nvis 6011 Solar Cooker Demonstrator is a useful training system which illustrates the working principle and design construction of Solar Cooker. It helps you to analyse the temperature on different sections of a solar cooker. Student can monitor and sample the temperature reading on PC and can plot a graph with respect to time.
Product Features
Nvis 6013 Experimentation with Bio Energy is used to demonstrate the functions of renewable fuel cell using Isopropyl alcohol as the biofuel. Bio Energy is derived from biofuels like bioethanol, biodiesel, etc. Our product uses Isopropyl alcohol as its bio fuel for energy generation. Isopropyl alcohol is an aliphatic alcohol. The energy generated can be used to run different applications like Buzzer, Fan, etc.
Product Features
Nvis has designed an exciting range of Educational Toys and Hobby Kits that are bound to challenge and stimulate childrens intellectual development. It helps the children to improve their concentration, logic skills and hand to eye coordination.
ElectronicBeginner Level Models
Intermediate Level Models
Advanced Level Models
Fuel Cell demonstrates the Chemistry and Physics principle present in Fuel cell technology. In this technology water is divided in to its basic components i.e hydrogen and oxygen using the process of electrolysis when current is supplied from Sun light using Solar Panel. After splitting, these two gases are stored in two different tanks to make a fuel cell. When required these two gases are recombined to generate electricity using a reverse process of electrolysis.
Product Features
Nvis 6018 Hydro Turbine Energy Generator is a useful training product to learn the fundamentals of Hydro Turbine. A Hydro Turbine is a rotary engine that takes energy from flowing water. Water directly flows on blades of a turbine runner which creates a force on the blades. Since the runner is spinning, the force acts through a distance (force acting through a distance is the definition of work). In this way, energy is transferred from the water to the turbine. A nozzle is provided on the side of the casing to strike the water on the turbine blades. Here the kinetic energy is converted into electrical energy by turbine.
Nvis 6018 demonstrates the application of Pelton wheel turbine by which electricity is generated to run different types of load.
Product Features
Nvis 436T is a 1kVA Solar Inverter which is a fully integrated system. This gives you the option of charging the battery bank either through a solar input or from the mains supply. The MPPT charger continuously monitors the battery voltage & solar power output. It can be used for domestic, rural and industrial applications.
Product Features
Nvis Technologies Pvt. Ltd. (Nvis Technologies Pvt. Ltd.)
141-A, Electronic complex, Pardesipura, Indore, Madhya Pradesh - 452010
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