vasthi insturments pvt ltd

Old Guntur, Guntur, Andhra Pradesh

The VDOM Series Online Dew Point Meter Is a microcontroller-based- based precision instrument to help ensure the optimum operation of drying equipment. An Online Dew Point Meter by vasthi instrument is ideal for precise monitoring of dew point temperatures (c Td) in air gas output from dryer Systems and processes. embedded with micro-controller- based -circuits to give a direct read-out in dew point ( c Td) or other units corresponding to sensor output based on psychometric equations. To achieve high accuracy, it uses temperature compensation over the complete operational range FEATURES : Microprocessor-based instrument Digital Graphical Display Measuring range 80 to + 30 c dew point & other ranges also available on client requirement. simples compressed air up to 12 kg/cm pressure and up to 95c temperature can be measured directly. Quick disconnect fitting desiccant test .Handy and lightweight. inbuilt thin film water vapor sensor. optional RS-485 Computer interface & data logger

A portable dew point meter by Vasthi Instruments is a hand-held, light weight, portable, and affordable dew point meter that is an easy-to-carry, battery-operated measuring tool. The portable dew point meter has an operating pressure of up to 20 bar and a moisture measuring range of 023000 ppm. The device has an incredible battery life, up to 20 hours on a single charge. The instrument is assembled in a rugged handheld IP65-protected plastic enclosure and equipped with quick-disconnect tubing couplings and an internal sensor manifold.

Vasthi Instruments ' Dew Point Transmitter is the ideal measurement device for continuous dew point measurement. It has a precise dew point estimation down to -60C Td (-76F Td). The Dew Point Transmitter utilizes microprocessor-based circuitry to convert sensor signals using psychometric equations. The device is assembled in a rugged handheld IP-65 body with quick-disconnect tubing couplings. The device also has an internal sensor manifold for accurate dew point measurement and uses an RS485 interface (Modbus RTU). The device is equipped with a dedicated input to maintain line pressure. The powerful metal encasing (Aluminum or Treated steel) ensures extreme durability of the device. FEATURES : Analog output 4-20 mA for dew point Condensation insensitive Fast adjustment time Pressure resistant up to 350 bar(special version) RS485 RTU interface The higher resolution of the sensor signal history graphical data Sensor diagnosis is on-site with a mobile device. Readable via Modbus: Pressure dew point [Ctd.] Temperature [ C] Rel. humidity [% RH] Moisture content V / V [ppmV / V]

Water analyzers are used to analyze any one of the parameters of water, like COD, BOD, NH3, TSS, and dissolved gases. We can manufacture according to customer customization. A single-parameter water analyzer is a self-developed TP automatic online analyzer for water quality analysis. The Single Parameter Water Analyzer instrument, which adopts the pulse xenon lamp as a lightweight source, and therefore the fiber spectrometer as a detector: is capable of the real-time gathering of the spectrum of water and the real-time analysis of the content of water pollutants through chemometric algorithm technology. It can achieve high precision, a low detection limit, high stability, and low maintenance for TP automatic online monitoring. The Product Fully Meets The Application Of Pollution Sources, Industrial Production Process. FEATURES : Capable for the real-time absorption spectrum of water pollutants ranging from 200nm to 800nm Requires no reagents, so it can save operating costs Free from the interference of chloride ion Adopts full-spectrum measurement and chemometric algorithm analysis Catalog/Brochure Catalog streamline the selection process by offering concise visual and descriptive overviews of product.

This industrial-grade online pH meter from Vasthi Instruments is highly accurate and designed to monitor continuous pH measurement in many areas such as water treatment plants, power plants, medicine manufacturing units, and other laboratory applications. designed with the latest technology to accurately measure dissolved oxygen (DO), alkalinity/acidity (pH), and electrical conductivity (EC). The pH sensor can also be used to detect total nitrogen (TN) and total phosphorous (TP). FEATURES : Modular Board design for easy assembly Universal Password option Isolated Transmission Output Can be configured to measure Total Nitrogen and Total phosphorous (TN/TP) levels. RS 485 output for communication Adjustable Alarm settings Configurable manual and automatic temperature compensation

Online chlorine analyzers from Vasthi Instruments are used in many applications requiring the measurement and control of residual chlorine levels in the water. The Sensor range is suitable for total or free residual chlorine monitoring or control applications in potable water, seawater, process water, swimming pool water, STP, food washing water, paper and pulp industries, etc. FEATURES : Modular Board design for easy assembly Universal Password option Isolated Transmission Output RS 485 output for communication Adjustable Alarm settings Configurable manual and automatic temperature compensation

Vasthi Instruments are a global leader in the manufacturing of online turbidity and TSS analyzers and have been supplying instruments to customers worldwide. Our multidisciplinary team of scientists, physicians, engineers, and regulatory consultants with decades of global experience brings you the quintessential mechanism that provides complete safety, accuracy, and durability. Vasthi Instruments was formed with visionary thinking and innovative ideas, resulting in innovative products and solutions. We enhance our product quality through a continuous process of research and development. Vasthi Instruments provides a wide range of models to suit various site conditions and processes. FEATURES : Vasthi will take on the annual maintenance contract for online water quality monitoring systems. Monthly cheeking of logging parameters like Flow, and all parameters Preparing maintenance schedules monthly, quarterly, and annually. Planning&execution for the annual shutdown. Emergency services during any breakdown. Upgradation & optimizations of working filters etc.

TDS/conductivity monitoring is commonly required in a variety of industries, including water, chemical, pharmaceutical, and food processing. Therefore, our online analyzers help you continuously monitor your TDS, conductivity, and temperature processes. We are a renowned manufacturer, supplier, and exporter of these global standard products with remarkable features, giving assurance of desired and accurate results to our esteemed customers. The vasthi TDS measurement of products is routinely used by Pharma, Petrochemical, Chemical, CETPS, etc. FEATURES : Modular design Isolated transmission output RS 485 interface Adjustable alarm settings Universal password function Industrial control watchdog to eliminate system crash Configurable manual and automatic temperature compensation

The dissolved oxygen meter is an instrument that continuously measures the concentration of dissolved oxygen in condensate and feed water used in boiler plants. Dissolved oxygen is a major cause of corrosion and deposits and should be monitored continuously. Working Principle: Vasthi Make Fluorescence method The dissolved oxygen sensor is based on the physics of specific substances and the fluorescence quenching principle. The blue light from the light-emitting diode (LED) illuminates the fluorescent substance on the inner surface of the fluorescent cap. The fluorescent substance on the inner surface is excited to emit red light. By detecting the phase difference between red and blue light, we can calculate the concentration of oxygen molecules. The temperature and pressure automatically compensate for the final output value. FEATURES : No electrolyte, no polarization No need to consume oxygen, not affected by the flow rate Built-in temperature sensor, automatic temperature compensation Not subject to sulfide and other chemical substances interference Drift small, fast response, more accurate measurement maintenance-free, longer life cycle, the use of lower cost Fluorescent cap for simple replacement RS-485 interface, MODBUS-RTU protocol

fluorescence method. According to the spectral absorption characteristics of chlorophyll a, the water body is irradiated by a high-energy LED light source, and the chlorophyll a in the water body is excited to generate fluorescence of a specific wavelength, and the concentration of chlorophyll a in the water is measured. The sensor 's fiber-optic structure provides excellent repeatability and stability and is less susceptible to ambient light. with automatic cleaning, and a brush to eliminate air bubbles, reduce the impact of contamination on the measurement, make the maintenance cycle longer, and maintain excellent stability for long-term online use.

Vasthi Makes a VEMS-4000 Water analyzer supplying many industries to discharge wastewater and sewage directly into rivers without Retreatment for STP & ETP. Water pollution has become an enormous problem. Online water analyzers are required to realize real-time continuous monitoring and timely know the water quality status of each sewage outlet. In this water analyzer, we can measure the parameters of COD, BOD, TSS, TOC, Nitrate, Turbidity, Dissolved Oxygen and etc. by using the principle of UV visible di?erential Absorption Spectroscopy. VEMS-4000 is a new self-developed COD automatic online analyzer for measuring chemical oxygen demand (COD). Based on our Permeance measurement technology platform, combined with constant temperature fiber and digestion colorimetric integration technology, it can achieve high precision, low detection limit, high stability, and low maintenance of COD automatic online monitoring. The product fully meets the application of pollution sources, industrial production processes, municipal wastewater, etc. High reliability, strong anti-interference capability : Permeance measurement technology will not be interfered with by chromaticity, suspended solids, and bubbles. High detection precision, Lower detection Limit (10mg/L), small drift for long-term operation. Strong ability to resist chloride ion interference. Small maintenance workload and low maintenance cost : Self-diagnostic function. Single-channel valve island of high integration, able to maintain, disassemble and clean individually. Able to extend to all-day networking for real-time inspection of instrument running state.

Back Scattered Dust Monitor for Ideal Monitoring of Opacity and Smoke Levels in the Exhaust Gas of Industrial Combustion or Air Filtration Processes It is a self-developed online dust monitoring device, that uses the mainstream technology of laser backscatter measurement with imported core components. It is mainly used for continuous monitoring of various sources of emissions of particulate matter concentrations. It can be equipped with CEMS, used alone or with several others, or form a dust monitoring network with shared data acquisition and processing unit. The backscattered dust monitor is conveniently mounted on one side of the stack and usually requires no light absorber or beam dump on the opposite side of the stack. The backscattered light will be processed by the sensor into electrical signals. The circuit part will realize the photoelectric conversion, laser beam modulation, signal amplification, demodulation, light source power control, V/I conversion, and HMI display. A calibrator is used to generate stable optical signals for zeroing and spanning calibration of the device. The Back Scattered Dust Monitor design has been implementing the concept of no tool on-side installation, to minimize the complexity of field installation.

The Tribo Electric Dust Monitor is a real-time, continuous, indicative dust monitor with logging and alarm capability. It consists of a single probe for installation in a silo or duct, and a control unit or logger. This type-approved measuring device with a measuring probe is for very low to medium dust concentrations. It is ideal for thick-walled or double-walled ducts because of the one-sided installation. The Tribo Electric Dust Monitor measurement is based on the principle of Tribo-Electric charge transfer. The electrical charge carried by dust particles is captured by a highly sensitive Tribe-Electric probe, amplified, and then transmitted to the control unit. As the current generated by the charge is proportional to the concentration of particles present, an indicative signal of dust presence results.

The online hydrogen purity analyzer uses sensors based on a reliable and stable thermal conductivity concept that provides high sensitivity and accurate analysis of two-phase gases. It is designed in such a way as to monitor hydrogen purity in the generator and gas purity in the generator during the gas replacement process. With a rich external control port, users can freely choose and easily set the form of a plug-in transmitter or access port. On-site inspections and alarms are available. The system has integrated sound and light alarms and provides a relay that is normally open to the control terminal. About Tri-Gas Analyzer The Tri-Gas Analyzer Are Designed Specifically For Monitoring H2 Purity In The H2 Feed To A Power Generator And To Monitor The Purging Procedure During Shut Down. The Analyzer Can Measure The Following Gases By Switch Selection: Range 1: 0-100.0% H2 In Air; Range 2 : 0-100.0% H2 In CO2; Range 3 : 0-100.0% Air In CO2. A 4-20 MA Output Is Provided For The Range Of 85-100% H2 In Air, Along With Two Gas Alarms And A Sensor Fail Alarm.

Portable Hydrogen Purity analyzers VHP-200 is an intelligent gas analyzer for gas measuring based on the measurement of thermal conductivity of the ambient gas. To compensate for the influence of temperature and humidity, these are measured separately and a correction is made for them in the microcontroller. Each device is factory calibrated. PortableTri gas analyzers are microprocessorcontrolled instruments with sophisticated software processes that meet the needs of industry in analyzing Gas with accuracy and reliability. Hydrogen Purity gas analyzers in India TCD transducer provide highly stable and reliable results. We are supplying this hydrogen purity analyzer India-wise. The Vasthi Portable hydrogen purity analyzer Model VHP -200 with digital readouts and alarms is a direct reading compact portable hydrogen purity analyzer, designed to serve the demanding field requirements of the Hydrogen producing and using industry. It is designed to replace the cumbersome and time-consuming set apparatus and provide a quick and accurate reading of Hydrogen Purity. It offers the user a distinct advantage in terms of economy, dependability, maintenance, and ease of operation. The instrument incorporates a detector as a transducer. It has adjustable, visual, and audible alarms at WARN & ALARM levels. The instrument is simple and easy to operate. Just switch it on, and adjust zero control so that indicator shows the reading.

The Vasthi PM 10 and PM 2.5 Particulate Matter Monitors work The Principle of Particulate Matter 10 Analyzer uses the following technology: Ambient particulate matter, beta-ray detector for measuring the concentration of particulate matter whose aerodynamic equivalent diameter is smaller than 2.5/10 m on rolled filter tape The instrument uses low-radiation C14 as the radioactive source. The emitted ray passes through the filter membrane with contaminants and will be received by the detector. The detector [1] is composed of a photomultiplier tube (or Geiger detector), a plastic scintillator, and a counter. The thickness can be analyzed quantificational according to -ray energy that the detector received, and then the PM 10 and PM 2.5 concentrations in the air can be calculated received, and then the pm 2.5 and pm 10 concentrations in the air can be calculated. PM10 Airquality

Understanding Ambient SO? Gas Analyzers: Benefits, Functionality, and Applications Introduction to Ambient SO? Gas Analyzers Ambient SO? (sulfur dioxide) gas analyzers play an essential role in monitoring air quality by perfectly measuring sulfur dioxide levels in the atmosphere. Sulfur dioxide is a common pollutant released from industrial processes, vehicle emissions, and the burning of fossil fuels. Excessive SO? in the air can have harmful effects on both human health and the environment, making it critical for industries and governments to track and regulate its occurrence. In this article, well explore the functionality, benefits, and various applications of ambient SO? gas analyzers. What is Sulphur Dioxide (SO?) and Why Monitor It? Sulfur dioxide (SO?) is a color less gas with a sharp, pungent smell, mainly released into the atmosphere through natural occurrences such as volcanic eruptions and anthropogenic sources, including industrial emissions and fossil fuel combustion. High levels of SO? can lead to respiratory problems, environmental degradation, and the formation of acid rain, which harms ecosystems. Therefore, monitoring and controlling SO? emissions have become essential in urban planning, public health, and environmental protection.

Vair-9002 NOx Analyzer is the analyzer that measures the minimum amount of NOx(NO, NO2) in the air at the same time using Chemiluminescence. 03 Generator used for Vair-9002 is designed for strong durability with no failure for a long time and the NO2 NO Converter for measurement of NO2 is equipped with highly efficient cartridge material which improves the change rate near 100%. All temperature adjustment systems such as response cells, Converter, PMT, TEMP, etc are designed to be entered in the self software which is easy to use. All gas analyzers of the Vasthi series were equipped with screen interface design using TFTLCD & Touch screen so that the user can operate the analyzer and maximize the visual image, and MCU applied to the analyzer is ARM11 32bit processor and operates based on Linux Kernel 2.6 which maximizes the system stability due to multiprocessing. In addition, the analyzer is equipped with an automatic zero correction system (Auto Zero) for smooth measurement and various interfaces (Ethernet, RS232, RS485, USB, DIO, Analog out) so that users can use it more conveniently and usefully.

Vair-9004 O3Analyzer is the analyzer that measures minimum amount of O3in air correctly using the UV absorption method. The analyzer is equipped with high performance and high-efficiency O3 Scrubber and used the specimen tube of special coating and materials to remove the obstacle components and prevent the adhesion of the specimen for the measurement of the minimum amount of ozone. All gas analyzers of the Vasthi series were equipped with screen interface design using TFT-LCD & Touch screen so that user cathe n operate the analyzer and maximize the visual image, and MCU applied to the analyzer is ARM11 32bit processor and operates based on Linux Kernel 2.6 which maximizes the system stability due to multiprocessing. In addition, the analyzer is equipped with an automatic zero correction system (Auto Zero) for smooth measurement and various interfaces (Ethernet, RS232, RS485, USB, DIO, Analog out) so that users can use it more conveniently and usefully. FEATURES : Ranges 0-0.1 / 0.5 / 1 ppm, user selectable. 7inch TFT LCD & touch screen interface. Ethernet, RS-232, RS-485 & USB ports. USB interface utilizes for System Program Update. Temperature & pressure compensation

Urban air quality monitoring station: With the help of a million-plus cities ' air quality monitor, you can keep a check on the air pollution levels of various regions across the country and provide timely warnings to critical zones with high levels of pollution so that timely and effective measures can be taken to protect public health and safety. The Urban Air Quality Monitoring Station device is equipped with multiple sensors for PM2.5, PM10, CO, NO2, SO2, O3, and humidity measurement (%). It also provides notifications based on the pollution level in your area and sends notifications to your phone when the pollutant level reaches a dangerous level. The Air Quality Index (AQI) reading is indicated by color. The red color indicates a very high AQI level, which requires the public to avoid any outdoor activities; the orange color indicates a high AQI level, which requires the public to reduce outdoor activities; and the green color indicates a low AQI level, which is safe for human activities Accuracy: The device is certified by Indian National Measurement Institute (INMI) and has excellent performance accuracy. It accurately detects critical pollutants such as PM2.5 and PM10. FEATURES : User-friendly, Easy to use design. LED display to show current air quality index (AQI), PM2.5 level, temperature, time, etc. Data Storage: Stores air quality data for up to 10 months

Dynamic calibration of an instrument based on microprocessor technology, developed specifically for precision gas analyzers and multiple gas calibration equipments. Through the use of high-precision mass flow controllers and standard gases for gas parameters like zero point and span test calibration gas, we can also provide different kinds of gas sources. A dynamic calibration device can be equipped with a built-in, programmable ozone generator. The ozone generator is used not only as an accurate and reliable calibration of ozone but also for g-d NO20 multi-point piecewise linear drive to ensure repeatability and accuracy of ozone concentrations; an optional spectrophotometer can also achieve the ozone generator 's high accuracy control. Introduction: If you are looking for a calibrator for gas analyzers, you can go with the VASTHI multifunction calibrator. This calibrator is designed specifically for precision gas analyzers and multiple gas calibration equipment. It features a high-precision mass flow controller and standard gases for gas parameters like zero point and span test calibration gas. Plus, it offers four kinds of gas sources. What is a multipoint calibrator? A multifunction calibrator is an electronic device used to accurately calibrate an instrument. This type of calibrator can be used to calibrate gas analyzers and multiple gas calibration devices. It features a high-precision mass flow controller and standard gases for gas parameters like zero point and span test calibration gas. This allows it to provide four types of gas sources.

Portable Multi Point Calibrator Zero Air Unit Calibrator/Zero Air Generator uses flux mixture method and GPT(Gas Phase Titration) Method in which flux of pure ingredient gas and diluted gas are changed and mixed so that standard gas with desired concentration by dilution is supplied. Calibrator/Zero AirThe generator uses the flux mixture method and the GPT(Gas Phase Titration)method in which the flux of Pure in gradient gas and diluted gas are changed and mixed so that standard gas withThe desired concentration by dilution is supplied FEATURES : PVair-9007 Photo cel l(O3 Generator module) (Range 0-0.1to0-1ppm) 7-inch TFT LCD & touch screen interface. Ethernet , RS-232, RS-485 & USB ports. Temperature & pressure compensation Stored data can be retrieved RS-232 USB Interface and TCP IP network

A particle counter is a scientific instrument used to measure and count the number of particles in a Given environment. These particles can be solid or liquid, and they are typically suspended in the air or other fluids. Particle counters are widely employed in various industries and research fields where monitoring and Controlling particle levels are essential, such as clean rooms, environmental monitoring manufacturing processes, and medical facilities. Particle counters find applications in various industries and fields due to their ability to measure and Monitor the concentration and size distribution of particles. Here are some common uses of particle counters: 1. Cleanrooms and Controlled Environments. 2. Indoor Air Quality (IAQ) Monitoring. 3.Environmental Monitoring. 4. Occupational Health and Safety. 5.Medical Facilities. 6.Pharmaceutical Manufacturing. 7.HVACSystems. 8.Food and Beverage Industry.

VE Clima Guard Monitor up to 16 gas pollutants and particles simultaneously and get continuous and real-time data on the ambient air. Vasthi Vair -9014 allows you to measure various air pollutants in different environments, obtaining near-reference Data A sensor-based air quality monitor is a device designed to measure the concentration of pollutants in the air. It helps track the quality of air by detecting various environmental factors, such as particulate matter (PM2.5 and PM10), carbon dioxide (CO2), carbon monoxide (CO), nitrogen dioxide (NO2), ozone (O3), and volatile organic compounds (VOCs), among others. Key Components of an Air Quality Monitor: Sensors: These are the core components of an air quality monitor. They detect the concentration of specific pollutants. Some commonly used sensors are: PM Sensor (for measuring particulate matter like PM2.5 and PM10) Gas Sensors (for measuring gases like CO2, CO, NO2, and O3) Temperature and Humidity Sensors (to track environmental conditions) Microcontroller: This component processes the data from the sensors and controls the operation of the monitor. It also handles communication with other devices (e.g., smartphones, computers) for data display. Display/Interface: Most air quality monitors feature a display (LED, LCD, or touchscreen) to show real-time data. Some devices also include apps or cloud-based systems for remote monitoring.