Nunes Instruments

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

Particle counter instruments are specialized devices used to detect and measure the concentration or size of airborne or liquid particles in a given environment. These instruments are essential in monitoring contamination levels in cleanrooms, manufacturing processes, environmental monitoring, and various industries such as pharmaceuticals, healthcare, food production, and electronics.

• Particle counter
• Airborne particle counter
• Liquid particle counter
• Optical particle counter
• Condensation particle counter (CPC)
• Handheld particle counter
• Remote particle counter
• Particle size distribution
• Particle concentration measurement
• Laser particle counter
• Ultrasonic particle counter
• Particle size analyzer
• Cleanroom monitoring
• Environmental particle monitoring
• Air quality testing
• Liquid contamination testing
• Particle detection
• Particle classification
• Real-time particle measurement
• Data logging particle counter
• HVAC system testing
• Pharmaceutical particle monitoring
• Nanoparticle detection
• Aerosol particle measurement

Measurement Range:
The U-Tube Manometer is designed for accurate pressure measurement within a range of 150-0-150 mmWC, ideal for monitoring differential pressures in a variety of applications.

Mounting Type:
This unit is wall-mounted, providing secure and easy installation in both industrial and laboratory environments, saving space while ensuring reliability.

Nozzle Material:
Equipped with a 1/4″ Stainless Steel nozzle, the manometer offers excellent resistance to corrosion, wear, and high-pressure environments, ensuring long-lasting performance.

Product Highlights:

• Precision-engineered for differential pressure measurements.
• Durable materials and a sturdy wall-mount design for extended service life.
• Ideal for use in HVAC systems, fluid flow measurement, and industrial process monitoring.

• COD Analyzer is water quality analyzer
• LCD display.2 LED light sources for different COD testing ranges.
• Data capacity 200 sets (GLP-compliance).2-point calibration. 
• Measuring Range: 0 to 150, 15 to 1500 pp,
• COD Analyzer is water quality analyzer
• LCD Display Screen
• 2 LED light sources for different COD testing ranges
• Data Capacity 200sets (GLP-complaint)
• 2-Point Calibration

Analytical instruments are devices used in laboratories and industries to analyze the composition, properties, and structure of substances. These instruments are essential for qualitative and quantitative analysis across various fields such as chemistry, biology, physics, environmental science, and medical diagnostics. Analytical instruments play a critical role in research, quality control, product development, and regulatory compliance.

These instruments measure a wide range of parameters, including chemical composition, molecular structure, concentration of elements, and physical properties like mass, volume, and temperature. Analytical methods employed by these instruments can include spectroscopy, chromatography, electrochemical analysis, and microscopy, among others.

1. Analytical Instruments
2. Spectroscopy
3. Chromatography
4. Mass Spectrometry
5. Electrochemical Analysis
6. UV-Vis Spectrophotometer
7. Gas Chromatography (GC)
8. High-Performance Liquid Chromatography (HPLC)
9. X-ray Diffraction (XRD)
10. Atomic Absorption Spectrometer
11. pH Meter
12. Differential Scanning Calorimetry (DSC)
13. Scanning Electron Microscope (SEM)
14. Infrared (IR) Spectrometer
15. Elemental Analysis
16. Quantitative Analysis
17. Qualitative Analysis
18. Sample Preparation
19. Calibration Standards
20. Detection Limits
21. Fluorescence Spectroscopy
22. Chemical Composition
23. Material Characterization
24. Laboratory Instruments
25. Automation in Analysis

1. Polarimeter
2. Optical Rotation
3. Polarized Light
4. Optically Active Substances
5. Dextrorotatory
6. Levorotatory
7. Monochromatic Light
8. Light Source (Sodium Lamp)
9. Polarizer
10. Analyzer
11. Sample Tube
12. Angle of Rotation
13. Chirality
14. Manual Polarimeter
15. Digital Polarimeter
16. Specific Rotation
17. Concentration Measurement
18. Path Length
19. Temperature Dependence
20. Pharmaceutical Analysis
21. Sugar Concentration Testing
22. Wavelength of Light
23. Chemical Purity
24. Food Industry Applications
25. Optical Activity Measurement

Boltzman Constant Kit

Objective: Determination of Boltzmann Constant from forward I – V characteristics of Si-diode.

Features:

• Digital DC Voltmeter to measure the voltage across the diode.
• Highly stabilized variable D.C. power supply ( 0 - 2Volts).
• Digital milliammeter to measure forward bias current in diode.
• Silicon Diode mounted inside the cabinet.
• Temperature controlled oven 70 degree C  to heat the diode for different set of readings.
• Digital temperature indicator to measure temperature directly.

Features :

• UV Lamp for sterilizing the incubator
• Water tank for humidity in the chamber
• Infrared sensor for accurate Co2 concentration
• The working chamber adopts round angle structure, easy to clean
• Co2 incubator pressure requlator
• Microcomputer controller, LED displays temperature, Co2 concentration run-time and timing

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. W hy 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.

The V-Tech Temperature Transducer/Transmitter is designed to convert RTD sensor signals (Pt100/Pt1000) into standard electrical signals suitable for industrial control and monitoring systems. The device features intrinsically safe input, making it suitable for installation in hazardous areas. It supports multiple supply voltages (85–253 V AC, 110–125 V DC, or 10–30 V AC/DC) and has a low power consumption of less than 3.3 VA. Optional galvanic isolation enhances reliability in electrically noisy environments. Compact and robust, it is ideal for DIN-rail or panel mounting in industrial and laboratory applications.

• Intrinsically safe input for Pt100/Pt1000 RTDs

• Converts temperature signals into industry-standard outputs (0/4–20 mA, 0/2–10 V)

• Multiple supply voltage options for flexible installation

• Low power consumption (<3.3 VA)

• Optional galvanic isolation for hazardous areas (Ex zones)

• High accuracy and fast response time

• Wide operating temperature range (-10 to +60°C)

• Compact DIN-rail or panel mount design

• Industrial Automation & Process Control: Interface RTD sensors with PLC/DCS systems

• Hazardous Area Monitoring: Intrinsically safe design for Ex environments

• HVAC Systems: Temperature monitoring and regulation

• Energy & Power Plants: Reliable temperature measurement in turbines, boilers, and generators

• Chemical & Pharmaceutical Industries: Safe and precise temperature monitoring

• Laboratory & Research: High-precision sensor signal conversion

The Industrial-grade pH Sensor is engineered for reliable, long-term pH monitoring in harsh and chemically aggressive environments. With an alkali-resistant design, it provides superior durability and stability even under extreme process conditions. Suitable for continuous operation, the sensor ensures accurate measurement for process control systems in industries where chemical resistance and robustness are essential.

• Alkali-resistant sensor for chemically challenging environments

• Industrial-grade durability for continuous monitoring applications

• Wide pH measurement range (0–14 pH typical)

• High accuracy and stability for process automation

• Compatible with standard industrial pH transmitters and controllers

• Versatile installation options: in-line, immersion, or flow-through

• Chemical and Petrochemical Plants: Monitoring pH in highly alkaline or corrosive media

• Pharmaceutical Production: Precise pH control for formulations and processes

• Food & Beverage Industry: Continuous quality control in production lines

• Water & Wastewater Treatment: Monitoring neutralization and chemical dosing processes

• Pulp & Paper Industry: pH monitoring in bleaching and pulping operations

• Mining & Metallurgy: Harsh chemical process monitoring

A Handheld Gun XRF Analyzer for gold testing is a portable, non-destructive elemental analysis instrument designed to quickly determine the purity and composition of gold and other precious metals. It uses X-ray fluorescence (XRF) technology to provide accurate karat value, alloy composition, and trace element detection within seconds, making it ideal for field and on-site testing.

• Portable handheld “gun-type” design
• Instant gold purity (karat) analysis
• Non-destructive testing method
• High accuracy elemental detection
• Fast measurement within seconds
• Supports multiple precious metals analysis
• Built-in display with result reporting
• Battery-operated for field use
• Data storage and transfer capability
• User-friendly interface

• Gold purity testing (Jewelry industry)
• Precious metal analysis (silver, platinum, palladium)
• Pawn shops and jewelry stores
• Bullion and refinery testing
• Scrap metal sorting
• Hallmark verification
• Mining and geological exploration
• Industrial metal quality control
• Anti-fraud and authenticity testing
• On-site material verification

Handheld XRF Analyzer, Gold Testing Machine, Gold Purity Tester, XRF Gun Analyzer, Precious Metal Analyzer, Karat Testing Machine, Portable Gold Tester, Metal Composition Analyzer, Jewelry Testing Equipment, Non-Destructive Gold Analyzer.

The Hand Dynamometer is a precision instrument designed to measure hand grip strength accurately for clinical, rehabilitation, sports, and research applications. It features an ergonomic adjustable handle that accommodates different hand sizes, ensuring comfortable and consistent testing. Available in digital and analog models, the dynamometer provides reliable grip strength measurements for evaluating muscle function, physical fitness, and rehabilitation progress. Its compact and durable construction makes it suitable for hospitals, physiotherapy centers, fitness clinics, sports medicine facilities, and research laboratories.

• Accurate hand grip strength measurement
• Ergonomic adjustable grip handle
• High-precision load sensing technology
• Digital LCD or analog dial display
• Multiple grip handle positions
• Measures in kilograms and pounds
• Memory function for maximum grip value
• Compact and lightweight design
• Durable ABS plastic or metal construction
• Easy-to-read display
• Battery-powered digital operation
• Suitable for professional and clinical use
• Low maintenance and long service life

• Physiotherapy centers
• Rehabilitation clinics
• Orthopedic hospitals
• Sports medicine clinics
• Fitness assessment centers
• Occupational therapy
• Muscle strength evaluation
• Hand injury recovery assessment
• Physical fitness testing
• Medical colleges and research laboratories
• Geriatric strength assessment
• Neurological rehabilitation

Hand Dynamometer, Digital Hand Dynamometer, Grip Strength Meter, Grip Strength Dynamometer, Hand Grip Tester, Muscle Strength Tester, Grip Force Meter, Physiotherapy Equipment, Rehabilitation Equipment, Sports Medicine Equipment, Physical Therapy Instrument, Orthopedic Diagnostic Equipment, Hand Strength Measurement Device, Digital Grip Strength Tester, Clinical Dynamometer, Medical Grip Tester, Fitness Assessment Equipment, Occupational Therapy Equipment, Muscle Function Analyzer, Hand Rehabilitation Device, Ergonomic Grip Dynamometer, Portable Hand Dynamometer, Physical Fitness Testing Equipment, Rehabilitation Assessment Tool, Medical Diagnostic Instrument.

Features:

• Designed to have combined advantage of closely controlled incubation above ambient with orbital shaking applications.
• Double Walled construction, Inner chamber made of Stainless steel - 304 grade & Outer CRCA Steel - Powder coat finished.
• Units are highly insulated with compressed Glass wool between the walls to minimize the heat exchange.
• Heating is done by long life Tubular S.S. air heater.
• Temperature Controlled by Dual display Microprocessor based PID Temperature Controller & PT – 100 sensor with +/- 0.5^o C Accuracy.
• Shaking mechanism comprises of Variable speed PMDC geared motor with Triple-eccentric counterbalanced drive.
• Shaking speed can be controlled by means of Variable frequency drive with Digital RPM indication between 20 RPM to 200 RPM.
• Universal Platform to accommodate interchangeable lotus clamps of assorted sizes for different capacity of flasks.

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. W hy 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.

Make: VTech

Model: WCE- GR 90
pH Range: 2-12
Temp. Range(oC): 5-90oC
Liquid Junction Type: Ceramic
Reference Junction: Double Junction/ Refillable
Internal Reference Type: Ag/AgCl
Dimensions(mm): Dia 12x165
Application: For Pure Water

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. W hy 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.

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. W hy 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.

• Fully Automatic microprocessor control
• Stainless Steel construction
• Continuous Ice Flakes Output
• CFC free compressor
• Low water level Indication
• Overload protection
• Noiseless operation
• Compact Design and low maintenance.

Technical Specifications:

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. W hy 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.

 The VT -400 is compact and lightweight Oxygen analyzer that can Continuously measure oxygen .Its capability of precise measurement proves reliability in field measurements  with Galvanic Oxygen Sensor  Has life of 5 years. As  well as its great performance in the lab facilities.  With our expertise, we are offering our  valuable clients  A wide array of Portable Gas Analyzers that are appreciated by our clients for their robust  construction, Relia ble performance and easy maintenance. It's Simple Automatic Operation, Continuous Measurement And Graphical LCD Display of All Or Any Selected Gas And Derived Parameters Makes It a Valuable Aid For On Site Instant Analysis and Follow up Action. It's Data Logging and Computer with USB Interface Features Can Be Used for Further Detailed Analysis In the laboratory. 

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. W hy 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.

• Application Laboratory
• Weight 475 grams
• Brand V- TECH
• Model Number VT20I
• Resolution 0.01 or 0.1 mg/L
• Automation Grade Automatic
• Accuracy 0 to 20 mg/L
• Range 0 to 50 mg/L
• Size 3.25 x 8.5 x 2.2 inch (WxLxD)

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. W hy 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.

• Microprocessor Control
• The MS-300 and MS-400 hot plate magnetic stirrer are operated by a digital control CPU. The CPU regulates the heating up to 300 °C and 400 °C in the respective models & Model MS 200 is without Hot Plate
• Digital Speed Control
• Stirring speed is also controlled by the CPU from the keypad while the stirring speed is indicated on the bar graph.
• Programmable
• Operator can setup the objective temperature, hold temperature, stirring time and speed
• Automatic Temperature Control
• Connect the temperature probe and place into glass container being stirred to measure and maintain the object temperature Accuracy is +1 °C.
• Product Included
• Stir Bar, Temperature Probe (For MS300/400)

Technical Specifications:

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. W hy 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.

• Display: 16x2 Lines Alfanumeric display
• Range: Two ranges 0 to 200.0 & 200 to 1000 jtu/ntu
• Accuracy: ± 33% Of full scale deflection in 0-1000 jtu/ntu
• Simple System:30 Min clear glass
• Light: 6.8 Volt, 0.3 amps Tungsten Lamp
• Detector: photodude
• Memory: in built memory to retain both range
• standard solution and last set value even after power loss
• Calibration: with for max solution
• Power Supply: 230V ±10%, 50H

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. W hy 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.

• Easy to use
• Longer working life
• Durable nature
• Low Maintenance
• Top performance
• Dimensional accuracy.

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.

• Easy, fast and precise measurement of flow, volume flow and temperature at air inlets and outlets

• Efficient Regulation of balanced residential documentation with the testo Smart App
• Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App Timed and point mean value calculation

The Cable Locator by Radio Detection is a robust and highly reliable tool designed for efficient and precise locating of underground cables and pipes. Engineered to deliver outstanding performance, this locator is ideal for professionals in construction, utility maintenance, and excavation industries.

• Depth Range: Capable of detecting cables and pipes up to a depth of 5 meters, ensuring accurate localization even in challenging environments.
• Depth Measurement Accuracy: Designed with advanced technology to provide reliable and consistent accuracy in depth measurement.
• IP Classification: Rated at IP54 is dust-protected and resistant to water splashes, making it suitable for use in various weather conditions.
• Ease of Use: Lightweight and ergonomically designed for comfortable handling during extended operations.

• On board DC Regulated Power Supply 5V at 250mA.
• On board Square Wave Generator.
• On Board RL and RC Circuit Provided With Circuit Diagram.
• Components are mounted behind the panel
• Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ meter
• Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms
• Trainer is housed in highly shockproof plastic box having size of 12x8 inches.
• Strongly supported by detailed operating instructions manual.

• Self contained and easy to operate.
•  Sensitive, Linear Stable and Accurate.
• Functional block indicated on broad mimic 3 digit LED display with polarity indicator.
• Onboard LVDT displacement measurement jig with micrometer.
• Amplitude measurement for Excitation Generator.
• High repeatability and reliability. Compact size.
• Study of Input and Output characteristics of LVDT.
•  To determine linear range of operation of LVDT.  
• To determine sensitivity of LVDT.
• To measure Phase difference between LVDT secondary

• Study of distance measurement by Magnetic Pickup.
• Distance measurement simulation using motor and wheel.
•  Electromagnetic pick up
• Signal conditioner circuitry based upon Op amps Excitation voltage for pick up
• 4 digit digital counter
• xTest points at various places to study the process
•  Rotation and distance in cm upto 0 999.9 cm.
• Built in IC regulated supplies
• Detailed instruction manual

• Torsion Test Equipment direct reading type on a graduated scale fitted
• B-22d, E27, E14 lamp cap holders.
• Range : 0 – 4 Nm, 0 – 1.4 Nm.

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

The V-Tech Ultra-Low Deep Freezer is designed for advanced cold storage solutions, ensuring precise temperature control for pharmaceuticals, biological samples, vaccines, and laboratory specimens. Built with state-of-the-art cooling technology, it maintains ultra-low temperatures as low as -86°C, providing unmatched reliability and energy efficiency.

• Ultra-low temperature performance with an adjustable range from -40°C to -86°C, ideal for sensitive storage.
• High-efficiency cooling system with an advanced compressor and eco-friendly refrigerant for stable, uniform cooling.
• Smart digital control panel with a user-friendly interface, precise temperature monitoring, and alarm system.
• Robust insulation and secure door sealing to minimize temperature fluctuations.
• Spacious and customizable storage with adjustable stainless steel shelves for maximum capacity and organization.
• Safety and security features, including a built-in alarm system for temperature deviations, power failures, and open-door alerts.
• Ergonomic design with an easy-access handle, lockable doors, and smooth mobility with heavy-duty caster wheels.