Weather Instruments

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Weather Station Wind Speed Alarm SF00001967

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₹ 159250 / Piece Get Latest Price

Product Brochure
BrandV-Tech
Operating Temperature-20 ... 60 DegreeC / -4 ... 140 DegreeF
Usage/Applicationlaboratory
WeightApprox. 400 g
Power Supply115V Ac
Supply Voltage For Sensors (Output)12V Dc
Signal Input (selectable)20-Ma
Alarm Relay2 NO/NC relays with max. load of 220V AC
Dimensions197.5 x 90 x 45 mm
Measuring range0 ... 50 m/s or 0 ... 110 mph
Measuring accuracy+- 3% of measuring range
Optional interfaceRS-485 modbus
model numberVT-50

Minimum order quantity: 1 Piece

VT-50 is a wind measurer alarm controller that displays the current wind speed as well as the average wind speed of the last 2 and 5 minutes. A pre-alarm and full alarm can be activated based on preset values. If wind speeds are higher than the preset values, a pre-alarm is first applied before the full alarm is issued. Both alarms are delivered visually and audibly. If the pre-alarm is triggered, a yellow LED will flash on the front of the unit and a beep will periodically be emitted as a warning tone. If the full alarm is triggered, a red LED will flash on the front of the unit and a beep will continuously be emitted.It allows measurement of the slightest of wind movements. This wind measurer alarmcontroller is used for a variety of wind monitoring applications in industries such asconstruction, mining, renewable energy and manufacturing. If necessary, a relay can alsobe connected to the controller.


Features

  • Pre-alarm and full alarm with visual and audible warnings
  • Allows measurement of the slightest wind movements
  • Optional RS-485 modbus interface for data communication
  • Bright, easy-to-read LED display
  • Simple to use

Three Cup Anemometer SF00001961

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₹ 8500 / Piece Get Latest Price

Product Brochure
Display TypeDigital
Usage/ApplicationIndustrial
Model Name/NumberVT-3CA01
AccuracyBetter than 0.5 m/s up to 10 m/s + 2% FSD
Range0 to 65 meters/sec
BrandV TECH
Country of OriginMade in India
Starting threshold0.3 meters/sec
Diameter of cup50 mm
Construction of sensor bodyBrass housing and stainless steel shaft
Wind speed Sensor3 Cup Anemometer
Diameter of cup assembly165 mm
Anemometer is a fast response, low threshold opto electronic anemometer. When rotated by wind, a chopper on the anemometer shaft interrupts an infra red light source, generating pulses from a photo transistor. The signal is amplified and fed through a line driver. The frequency is proportional to wind speed. The anemometer is provided with a 3 pin connector for easy replacement and comes with 10 meters of shielded cable. 
Integrated data loggerData transfer between device and computerTemperature measurements up to 800 °CFast amortisationRobust housingApproved for potentially explosive atmospheres

Ambient Weather Stations SF00001968

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₹ 49000 / Piece Get Latest Price

Product Brochure
Mounting TypeTilted Mount
CalibrationISO 9060
Flux Density1000 W/m2
ColorBLACK
BrandV-TECH
Country of OriginMade in India
Model NoVTW-01
Power ConsumptionAbout 0.8watts
Dimensions3 x 2.5 x 1"
ObserverIP Features:
ObserverIP module connects to your router and sends data Includes Ethernet cable and AC adapter.Calibration for all measured parameters Supports both imperial and metric units of measure Publish real time data 
Ambient Weather Features:
Mobile friendly and responsive web design looks great on any phone, tablet, laptop or desktop.App not required. Simply view in your web browser and bookmark on your home screen. Saves memory and bandwidth.Customizable Dashboard Displays Dials, Gauges, Graphs and Text ReportsMonitors both indoor and outdoor conditions.Includes handy timeline for tracking alert history.
 Features:
The most popular personal weather station (PWS) hosting service in the worldFree 'cloud based' serviceReal-time Streaming Updates (rapid fire flash view) Weather Station Google Mapping Historical data archiving (daily, monthly, yearly and custom).Graphs and tabular data Comma Separated File (csv) exportXML Feeds 
Dimensions:Observer IP Dimensions: 3 x 2.5 x 1"
Power Consumption:About 0.8 Watts

Digital Thermometer And Hygrometer SF00001969

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₹ 1365 / Piece Get Latest Price

Product Brochure
Usage/ApplicationLaboratory
BrandV TECH
Country of OriginMade in India
Indoor temperature-10 DegreeC ~ +50 DegreeC (+14 DegreeF ~+122 DegreeF)
Outdoor temperature-50 DegreeC~ +90 DegreeC (-58 DegreeF~ +194 DegreeF)
Indoor Humidity40%RH 65%RH
Power supply1.5V (AAA size) x 1
Functions:
  • Indoor / outdoor temperature & indoor humidity display
  • Temperature unit °C/°F changeable
  • Memorized MAX/MIN values of indoor/ outdoor temperature
  • Display of comfort degree
  • J appears @ indoor Temperature: 18°C ~25°C (64°F~77°F) &
  • Indoor Humidity: 40%RH 65%RH
  • L appears @ other indoor Temperature & Indoor Humidity
Operations:
  • Open battery compartment cover, take out the polarity insulator, put on the cover, then the meter starts to work.
  • BUTTON function: [ IN MAX/MIN] press to display memorized MAX and MIN values of indoor temperature.
  • [°C/°F] change temperature unit between Celsius (°C) and Fahrenheit (°F).
  • [OUT MAX/MIN] press to display memorized MAX and MIN values of outdoor temperature.
Attentions:
  • In case any abnormal display occurs, please take out the power- supply battery and put back the battery after 2 seconds, then the meter returns to normal display.
  • Please put away the replaced battery at the place appointed by Government.
  • We will not inform seperately in case of any changes made to this meter.

Handheld Temperature Humidity Meter SF00001963

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₹ 4890 / Piece Get Latest Price

Product Brochure
BrandV- TECH
Dimension225 x 45 x 34 mm ( H x W x D )
Humidity0 deg C ~ 100%RH
Model NoVT-306
Temperature-20 deg C ~ 1000 deg C
Basic Accuracy+/-3.5%RH

Features:

  • Large Dual Display & Blacklight
  • Sampling Rate 2.5 sample per second
  • Dual Display Temperature & Humedity
  • Type K Temperature.


Nunes Instruments , is  in the field of Instrumentation Sales Service & Repairs with 40 years of experience.  We provide service & repairs to your old high precision instruments and equipment.  We provide cost effective service & Repair to any brand, any make instruments  with service warranty. Why not try once?

Instruments of Any Type, Any Make, Analog/Digital, Any Condition  Indian or  Imported

 

  • Laboratory Instrument, Test Equipment,
  • Scientific, Measuring, Precision Instrument,
  • Analytical, Bio Medical, Survey, Electrical,
  • Electronic Instruments ,Weather, Metrology.

Remote Temperature Monitoring System SF00001966

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₹ 60000 / Piece Get Latest Price

Product Brochure
BrandV- TECH
Country of OriginMade in India
Number of alarm output relay2
Ethernet ConnectorRj45
Product Description
  • 10 Din Rail module directly inside the machine board or wall mounting
  • with brackets 
  • Up to 1 year temperature recording
  • Optimized controller values visualization via "Single View" and "Overview" functions
  • Stand alone usage thanks to the back lit LCK local display and keyboard
  • Always accessible even with isolated installation via GPRS connectivity
  • Possibility o modify the parameters of the connected devices remotely
  • Customizable web user interface (layout)
  • Performance meter for cooling demand control
  • Automatic data export to USB pendrive
  • Easy plant management by means of the "Scheduler" to send commands according to a custom calendar
  • Alarm notification via FAX, Sms or e-mail
  • HACCP report print-out in pdf format
  • CRO for compressor rack optimization

Wireless Weather Station SF00002914

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₹ 81900 / Piece Get Latest Price

Product Brochure
Dimensions8.6 x 7.5 x 3.1 inches
Country of OriginMade in India
Display TypeDigital
Built-in USB Power PortYes
Humidity Range20 - 99%
Indoor Temperature Range-10 DegreeC to +50 DegreeC

The Wireless Weather Station is a compact and versatile indoor climate monitoring device equipped with a digital display and built-in USB power port. It provides real-time data on humidity and indoor temperature, helping you maintain optimal indoor environmental conditions. Its sleek design and accurate readings make it an ideal choice for homes, offices, and labs.

Key Features
  • Easy-to-read digital display

  • Wide humidity detection range from 20% to 99%

  • Monitors indoor temperatures between -10°C and +50°C

  • Built-in USB port for added functionality and device charging

  • Compact and stylish design suitable for any interior

Weather Stations SF00003492

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₹ 1456000 / Piece Get Latest Price

Product Brochure
Usage/ApplicationAgriculture
MeasurementsWind speed & direction, temperature, humidity
Wind MeasurementGill WindSonic ultrasonic sensor (up to 60 m/s)
Temperature & HumidityRotronic Hygroclip HC2-S3 probe with radiation shield
Barometric PressureInternal sensor with +-0.5 hPa accuracy
Weight1.5 kg (including 10 m cable)
Product Description

The Weather Station is a versatile and high-performance environmental monitoring system, engineered for precise weather data acquisition. It simultaneously measures wind speed, wind direction, barometric pressure, temperature, humidity, and dew point, making it ideal for meteorological, environmental, and industrial applications.

Wind data is captured using the advanced WindSonic ultrasonic sensor, capable of reliable readings up to 60 m/s. Temperature and humidity are monitored via the Rotronic Hygroclip HC2-S3 probe, housed within a naturally aspirated radiation shield for accurate ambient readings. The integrated barometric pressure sensor delivers precision measurement with ±0.5 hPa accuracy.

Designed for robust field deployment, the  weighs only 1.5 kg and comes with a durable U-bolt clamp suitable for mounting on vertical pipes up to 50 mm in diameter.

Key Features
  • Simultaneous multi-parameter environmental measurement

  • Ultrasonic wind sensor with no moving parts for maintenance-free operation

  • High-accuracy Rotronic probe for temperature and humidity monitoring

  • Built-in barometric sensor with ±0.5 hPa precision

  • Lightweight, rugged design with 10-meter cable included

  • Easy installation with U-bolt clamp for pipe mounting

Applications
  • Meteorological and weather research stations

  • Airport weather monitoring systems

  • Environmental and climate monitoring projects

  • Industrial and agricultural weather data acquisition

  • Wind energy site assessments and validation

Thermo Hygrometer SF00001962

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₹ 13250 / Piece Get Latest Price

Product Brochure
Display TypeLCD
Power Source2 batteries Type AAA
Model Name/NumberVT-610
Accuracy+-0.5 DegreeC
Usage/ApplicationIndustrial
MaterialPlastic
Temperature Range-10 to 50 DegreeC
Weight90 KG
BrandV- TECH
Colorblack
Dimension119x46x25 mm
Humidity0 to 100%
RH Resolution0.1 DegreeC
Product Specification
Material PlasticModel Name/Number VT-610Accuracy +-0.5 DegreeCUsage/Application IndustrialTemperature Range -10 to 50 DegreeCWeight 90Power Source 2 batteries Type AAADisplay LCDColor blackDimension 119x46x25 mmHumidity Range 0 to 100%RH Resolution 0.1°C

Co2 Humidity Temperature Monitor SF00001965

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₹ 24500 / Piece Get Latest Price

Product Brochure
BrandV TECH
Dimension132 x 80 x 32 mm
Operating Temperature0 to 50 DegreeC..
Country of OriginMade in India
SD card capacity1 GB to 16 GB.
Parameter to be MonitoredHumidity
FEATURESMonitor with real time data logger, save the measuring AdvancedSet CO2 height ( meter ) compensation value data along the time information ( year, month, date, setting 2Set CO2 height ( feet ) compensation value hour, minute, second ) into the SD memory card and Memory Card SD memory card. 1 GB to 16 GB. can be download to the Excel, extra software is no Update Time Approx. 1 second if measuring data need. User can make the further data or graphic analysis ofDisplay is changed. by themselves. Data Output RS 232/USB PC computer interface.Show CO2 ( Carbon dioxide ), Humidity andConnect the optional Rs232 cable.Temperature value in the same LCD. UPCB-02 will get the RS232 plug.NDIR method principal for CO2 ( Carbon dioxide )Connect the optional USB cable measurement, available for long term operation.high USB-01 will get the USB plug. repeatability and high accuracy.Operating 0 to 50 °C..0.1 %RH resolution for the humidity reading, Temperature 0.1 degree resolutionfor the Temp. reading. Operating Less than 90% R.H.Used the precision capacitance type humidity sensor, Humidity professional and high accuracy. Power SupplyDC 9V adapter input. ( AC/DC powerSD card capacity : 1 GB to 16 GB.Meter & adapter is included ). Large LCD display, easy readout. probeMicrocomputer circuit, high reliability. Power SupplyAAlkaline or heavy duty DC 1.5 V batteryLow power consumption and long battery life whenClock backup ( UM4, AAA ) x 6 PCs, or equivalent. use battery power. batteryPower supply from AC.DC 9V adapter in. Weight Meter 240 g/0.53 LB.RS232/USB computer interface. CO2 probe 158 g/0.35 LB.Patented Dimension Meter 132 x 80 x 32 mm ( 5.2 x 3.1 x 1.3 inch)

Solar Radiation Sensor Pyranometer SF00004376

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₹ 36400 / Piece Get Latest Price

Product Brochure
Mounting TypeHorizontal Mount
CalibrationNIST Traceable
Sensitivity50–100 V/(W/m²)
Detector TypeSilicon photodiode with wide spectral response
Country of OriginMade in India
Irradiation Range0 to 2000 W/m²
Spectral Range300 to 2800 nm
AccuracyTypically better than 3% within specified range
Response Time (95%)≤12 s

This solar radiation sensor (photodiode-based pyranometer) is designed for precise measurement of solar irradiance across a wide spectral range of 300–2800 nm. The device utilizes a high-quality silicon photodiode to ensure accurate and reliable readings from 0 to 2000 W/m². Its sensitivity ranges from 50 to 100 µV/(W/m²), providing a strong voltage signal proportional to the solar radiation intensity.

With a rapid response time of 12 seconds or less and minimal temperature-induced sensitivity variation (<3% between -20°C and +50°C), this sensor is well-suited for outdoor meteorological stations, solar energy monitoring, and climate research.

Key Features
  • Measures solar irradiance from 0 to 2000 W/m²

  • Wide spectral response: 300–2800 nm

  • High-sensitivity silicon photodiode detector

  • Fast response time: ≤12 seconds (95% of final value)

  • Accurate within ±3% in its operating range

  • Stable across a wide temperature range (-20°C to +50°C)

  • Compact and robust design suitable for field deployment

Applications
  • Meteorological and climate monitoring stations

  • Solar energy studies and photovoltaic system assessment

  • Environmental and atmospheric research

  • Agricultural planning using solar radiation data

  • Building energy performance and daylight analysis

  • Remote sensing and data logging applications

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Mohammed Khan (Service Manager)
Instrumentation
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Rathinapuri, Coimbatore - 641027, Tamil Nadu, India

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