Our Products
Our offered Product range includes Grain Hardness Tester, V Tech Co2 Purity Tester, V Tech VT-1001A Oil Insulation Tester, Stainless Steel Gas Volume Tester and Stainless Steel Analog Gas Volume Tester.
The Digital Grain Hardness Tester is a precision instrument used to determine the hardness and breakage strength of cereal grains such as wheat, rice, maize, barley, and similar agricultural products. It measures the force required to crush or deform individual grains, providing valuable data for assessing grain quality, milling performance, and end-use characteristics.
This tester features a digital load display, high-resolution sensor, and battery operation, offering convenient and accurate measurements in both field and laboratory conditions. It is commonly used in grain research centers, food processing industries, seed technology labs, and agricultural universities.
Key FeaturesDigital precision display with selectable units (kgf/N).
High accuracy (2%) and fine resolution for reliable testing.
Compact, portable design suitable for laboratory and field use.
Rechargeable lithium battery with long operational life.
Quick and easy grain loading mechanism for rapid testing cycles.
Durable metallic body ensures long-term stability and minimal maintenance.
Auto power-off function for battery conservation.
Calibration facility for maintaining measurement accuracy.
Determination of grain hardness index for cereals such as wheat, rice, barley, and maize.
Quality control in milling, baking, and seed processing industries.
Research and testing in agricultural universities and food technology institutes.
Seed grading and varietal characterization based on hardness properties.
Evaluation of mechanical strength and resistance to breakage in storage and transport studies.
Product Description
Stand, Bands, Reservoir, Graduated Burette and Wooden cover for protection. Operation manual shall be provided for checking the purity of CO2 gas.
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.
The automatic oil insulation test kit upto 100 kv range of automatic oil tester offer fully automatic testing with many advance features. The design allows the operator to simply prepare an oil test vessel to be load it with the sample oil, place it in the chamber and initiate the sequence. The test set then performs the series of test as selected out of a number of oil testing specifications.
The Gas Volume Tester is a precision instrument designed for laboratory use, ideal for measuring the volume of gases under controlled conditions. Constructed from high-quality stainless steel, it ensures durability, resistance to corrosion, and reliability even under frequent use. The tester operates at a pressure of up to 100 PSI, allowing for accurate and consistent results in gas volume measurement.
With a sleek polished surface finishing, this device not only offers a high level of aesthetic appeal but also facilitates easy cleaning and maintenance. It is perfect for applications in laboratory settings where precise measurements are crucial for research, experiments, and product testing.
Key Features:
The Gas Volume Tester is a precision instrument designed for laboratory use, ideal for measuring the volume of gases under controlled conditions. Constructed from high-quality stainless steel, it ensures durability, resistance to corrosion, and reliability even under frequent use. The tester operates at a pressure of up to 100 PSI, allowing for accurate and consistent results in gas volume measurement.
With a sleek polished surface finishing, this device not only offers a high level of aesthetic appeal but also facilitates easy cleaning and maintenance. It is perfect for applications in laboratory settings where precise measurements are crucial for research, experiments, and product testing.
Key Features:
Material: High-grade stainless steel for long-lasting durability
Pressure: Capable of handling up to 100 PSI for optimal performance
Surface Finishing: Polished finish for easy maintenance and a clean appearance
Application: Designed specifically for use in laboratories, ensuring accurate and reliable results
Product Description
Stand, Bands, Reservoir, Graduated Burette and Wooden cover for protection. Operation manual shall be provided for checking the purity of CO2 gas.
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.
Product DescriptionThe VT-19188 personal breath analyzer have digital display, more compact, easy to use and provide accurate readings.Applications
This device is best used to find after consuming alcohol.Features
Advanced flat surfaced sensor portable and small size design. No touch healthy design, low voltage indication & use AAA battery.
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
The V-Tech Digital Alcohol Breath Tester is a compact, easy-to-use device designed for quick and reliable detection of blood alcohol concentration (BAC). It features an advanced semiconductor sensor that delivers accurate results within seconds, making it ideal for personal or professional screening applications.
The 3-digit LCD display with blue backlight ensures clear visibility even in low-light conditions. With one-button operation, users can conveniently perform tests, while audio and visual warnings indicate when alcohol levels exceed a preset limit. Lightweight and portable, the unit operates on AAA batteries and includes a low-voltage indicator for user convenience.
Key Features
Measures alcohol concentration in three display units: %BAC, mg/L, and mg/100mL
High-precision semiconductor sensor for reliable readings
Quick one-button operation for ease of use
Blue backlit LCD display for clear visibility
Audio warning for readings beyond preset safety limit
Low battery indication for uninterrupted operation
Compact and lightweight for easy portability
Applications
Personal alcohol level screening
Industrial and workplace safety checks
Educational awareness and training programs
Preliminary alcohol testing for security and transport sectors
Description
This is an automatic water level controller designed to operate water pumps based on water levels in overhead and underground tanks. It controls the pump automatically, prevents dry running, avoids overflow, and maintains efficient water usage. The controller uses stainless steel water level sensors and is suitable for domestic, commercial, and multi-storage water supply systems.
Key Features
Fully automatic pump control for consistent water level management.
Dry Run Protection: Prevents motor damage when water supply is low.
Overflow Protection: Stops the pump when tank is full to prevent wastage.
Dual operating modes: Auto for daily operation and Manual for bypass control.
Uses rust-free SS sensors for long service life and reliable signal detection.
Energy-efficient system helps reduce electricity and water wastage.
Sturdy, insulated plastic body suitable for long-term installation.
Applications
Residential Homes
Automatically controls pump operation between underground and overhead tanks.
Apartments & Housing Societies
Ensures continuous and efficient water distribution for multi-floor buildings.
Hotels, Hostels & Hospitals
Maintains uninterrupted water availability with zero manual supervision.
Commercial Buildings & Offices
Reduces maintenance effort and avoids pump wear and water wastage
The Fluke 1507 Insulation Tester is a compact, rugged, and reliable instrument designed for insulation resistance testing in industrial, commercial, and residential applications. With its multiple test voltages ranging from 50 V to 1000 V, it provides versatility for various electrical equipment and installations. The tester offers automatic discharge of capacitive voltage, a live-circuit detection function, and continuous insulation measurement for enhanced safety and efficiency. Its ergonomic design, backlit display, and easy-to-use controls make it ideal for both field and laboratory environments.
Key FeaturesSelectable test voltages (50V1000V) for diverse insulation testing needs.
Measures insulation resistance up to 10 G with high precision.
Automatic discharge of capacitive voltage ensures operator safety.
Live-circuit detection prevents accidental insulation testing on active circuits.
Auto power-off feature to conserve battery life.
Continuity testing with a test current of >200 mA.
Backlit LCD display for clear visibility in dim environments.
Lightweight, durable, and easy to carry for field applications.
CAT IV 600V / CAT III 1000V safety rating for maximum protection.
Electrical installation testing for residential, commercial, and industrial systems.
Preventive maintenance of motors, transformers, cables, and switchgear.
Quality assurance in electrical manufacturing.
Troubleshooting insulation breakdown and leakage paths.
Routine safety inspection of electrical systems and equipment.
Operation:
It consists of a piercing system with pressure gauge, Vent valve and Thermometer. A chart is provided along with Equipment from which Gas content is determined. Bottle is held below piercing device a linear clutch mechanism holds bottle firmly in pierced condition. Gas pressure is indicated and Temperature is measured at same time.
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.
The Pen Vibration Meter is a compact and portable device designed for precise measurement of acceleration and velocity in various mechanical systems. It features a wide measuring range, allowing users to evaluate machine vibration levels effectively. The large LCD display ensures easy readability of data, while its pen-style design makes it convenient for field use and spot measurements.
This instrument operates on four 1.5V AAA batteries, providing extended battery life for continuous operation. It’s widely used for monitoring machinery health and identifying imbalances, misalignments, and bearing wear in industrial applications.
Key Features
Measures acceleration (m/s², G) and velocity (mm/s, cm/s).
Wide frequency range from 10 Hz to 1 kHz.
Large LCD display for clear data visibility.
Automatic power-off for energy saving.
Data hold function to freeze readings.
Low battery indicator for timely replacement.
Lightweight and pen-style design for easy portability.
Applications
Industrial maintenance and inspection of rotating machinery.
Vibration analysis in production and testing environments.
Predictive maintenance for motors, pumps, fans, and compressors.
Educational and research laboratories for mechanical testing and analysis.
The digital shore hardness testers are handheld instruments designed to measure the penetration hardness of non-metallic materials. The series includes multiple models, each corresponding to a different Shore scale:
(Shore A): Soft materials such as rubber, elastomers, neoprene, silicone, soft PVC, leather, felt.
(Shore C): Medium-hard foams, sponge and cellular materials.
(Shore D): Harder plastics, semi-rigid materials, thermoplastics, and hard rubber.
These testers provide digital readouts, consistent measurement results, and compliance with key international hardness testing standards.
Key Features
Digital LCD for clear and quick hardness readings.
Supports three Shore scales to suit different material hardness types.
Displays real-time measurement, maximum value, and average value.
Stable measurement with high repeatability and low deviation.
Lightweight and ergonomic for handheld field or laboratory use.
Complies with widely-accepted international hardness test standards.
Auto power-off function extends battery life.
Applications
Rubber and Polymer Manufacturing
Hardness grading of rubber seals, O-rings, gaskets, rollers, and molded parts.
Quality Control and Inspection
Evaluation of material uniformity and batch consistency in production.
Plastics and Elastomer Product Development
Material characterization and research testing in R&D labs.
Foam, Leather, and Felt Products
Assessing compressibility and firmness for industrial and consumer product industries.
The Aggregate Impact Value Testing Machine is designed to determine the toughness and resistance of aggregates to sudden shock or impact an essential property for materials used in road construction and concrete. The test helps assess the aggregates ability to withstand impact forces, which is critical for assessing its suitability for pavements, roads, and structural concrete. The apparatus complies with standards such as IS: 2386 (Part IV) 1963, BS 812: Part 112, and equivalent international standards.
Key FeaturesRobust and durable construction from mild steel for long service life.
Quick-release mechanism ensures consistent free fall of hammer.
Accurate height adjustment for precise impact energy control.
Non-slip base minimizes vibration and movement during test.
Interchangeable accessories (measure and tamping rod) for standard compliance.
Optional digital blow counter for enhanced testing accuracy.
Compact design suitable for laboratory and field use.
Determining the toughness and impact resistance of coarse aggregates.
Assessing aggregate suitability for road base, pavement, and concrete structures.
Quality control in construction material testing laboratories.
Used in research institutions, civil engineering colleges, and R&D centers.
This type of device is a handheld alcohol breath-tester, designed to measure the alcohol concentration in a persons breath (which correlates with blood alcohol concentration, BAC). It uses a built-in sensor (usually semiconductor, sometimes fuel-cell or hot-wire) and an LCD display to report the result in units such as % BAC, mg/L, BAC. For example:
A device description: The Alcohol Breath Tester is designed to measure the concentration result of the breathed alcohol in the human body. When the alcohol content exceeds the preset limited level, this device will send an audio and/or video warning to remind you.
Typical usage: check yourself before driving, workplace safety checks, personal monitoring of alcohol intake.
Key FeaturesHigh-precision sensor technology: Many units use a semiconductor sensor (or more advanced fuel-cell sensor) for detecting alcohol vapour in breath.
Alarm / warning when over limit: Many devices include a buzzer, indicator light, or visual warning if the measured alcohol exceeds a preset threshold.
Replaceable mouthpieces or non-contact design: For hygiene and repeated use.
The Elcometer 510 Automatic Pull-Off Adhesion Gauge is an advanced Cross Hatch / Adhesion Tester designed to measure the adhesion strength of coatings on various substrates such as metal, concrete, and wood.
This automatic gauge applies a predefined pull rate to a dolly (test disk) bonded to the coated surface and accurately measures the force required to detach the coating, determining its bond strength in megapascals (MPa).
The device provides precise, repeatable results with minimal operator influence and supports various dolly sizes for different coating types and thicknesses.
It also features data logging and wireless connectivity for transferring results to Apple devices for further analysis and reporting.
Automatic pull-off mechanism for consistent, repeatable results
Selectable pull rates suitable for different coatings and substrates
Wide measurement range (0100 MPa) with high accuracy (1%)
Compatible with multiple dolly sizes (1050 mm)
Digital display with easy-to-read interface
Built-in data storage and Apple device connectivity
Rugged, portable design suitable for field and laboratory use
Conforms to international testing standards (e.g., ASTM D4541, ISO 4624)
Adhesion strength testing of paints, coatings, and linings
Quality assurance in coating and surface treatment industries
Inspection of metal, concrete, plastic, and composite surfaces
Research laboratories and field testing environments
The Wet Abrasion Scrub Tester is a precision instrument designed to evaluate the resistance of coatings, paints, and other surface finishes to abrasion, scrubbing, and washing. It is widely used in laboratories and paint industries for assessing the durability and washability of coated surfaces. The tester operates automatically, allowing for consistent and repeatable testing results. Its integrated touchscreen interface ensures easy operation and real-time test monitoring. The peristaltic pump enables accurate control of the detergent or liquid flow rate, ensuring standard-compliant testing conditions.
Key Features:
Full touchscreen control for easy operation and test setup.
Dual brush holders allow simultaneous testing for efficiency.
Peristaltic pump ensures precise liquid flow during tests.
Adjustable stroke speed and cycle count to meet various international standards.
Compatible with ASTM D2486, ISO 11998, DIN 53778, BS 3900, and ASTM D4213 standards.
High-quality stainless steel and aluminum construction for durability.
Suitable for testing washability, scrub resistance, and surface durability.
Compact and durable design ideal for industrial and research laboratories.
Applications:
Evaluation of paint and coating durability under scrubbing or washing conditions.
Testing of decorative and protective coatings for household, industrial, and automotive use.
Quality control in paint manufacturing and surface treatment industries.
Research and development of new coating formulations with enhanced abrasion resistance.
Assessment of detergent and cleaning agent performance on coated surfaces.
The Surface Roughness Tester is a precision instrument designed for professional on-site and laboratory measurements of surface texture. With a lightweight, ergonomic design, it provides reliable measurements while being easy to handle in confined or challenging locations. The device evaluates 38 roughness parameters, including widely used ones like Ra, Rz, and Rt, in accordance with major international standards such as EN ISO, VDA, ANSI, and JIS.
Its 2.4-inch color LCD with backlight ensures clear visualization of measurement results, profiles, and device settings. The built-in drive unit ensures smooth and precise movement of the stylus across the surface, while the sensitive detector allows measurements in different orientations, including vertical walls and upward-facing surfaces. Users can save up to 10 measurement conditions and one complete surface profile, making the device versatile for repeated inspections and detailed analysis.
The tester is ideal for industries where surface quality is critical, including automotive, aerospace, metalworking, and manufacturing of precision components. Its portability, durability, and user-friendly interface make it suitable for both field and laboratory environments.
Key Features
Compact and lightweight design (500 g) for portable, on-site use
2.4-inch color graphic LCD with backlight for enhanced visibility
Measures 38 roughness parameters: Ra, Rz, Rt, Rq, Rp, Rv, and more
Fully compliant with EN ISO, VDA, ANSI, and JIS standards
Stores up to 10 measurement conditions and one profile
Supports vertical, horizontal, and angled surface measurements
High-precision drive unit ensures accurate stylus movement
Sensitive detector suitable for hard-to-reach areas
Optional data export for further analysis
Applications
Quality control in manufacturing and production lines
Inspection of machined components, metal, and plastic surfaces
Automotive and aerospace surface testing
Tool, die, and mold surface evaluation
Maintenance inspections in factories and workshops
Research and development labs for material characterization
The V-Tech Vibration Study Apparatus (Model VT-501) is an advanced educational system developed for analyzing vibration characteristics and verifying theoretical principles. The unit is built on a robust mild steel frame and is equipped with a precise exciter unit driven by an FHP DC motor with speed control. The setup allows users to study free and forced vibrations under controlled conditions, providing real-time readings via a digital RPM indicator with a proximity sensor.
The table-top design, compact length, and adjustable height scale make it ideal for laboratory or classroom use, ensuring ease of operation and accurate experimental results.
Key FeaturesConstructed with a durable mild steel frame for stability.
FHP DC motor with smooth speed control.
Digital RPM indicator with proximity sensor for precision measurement.
Operates on 220240V, 50/60Hz single-phase supply.
Table-top mounting design with adjustable height scale up to 1524 mm.
Compact length (230 mm) for convenient setup and handling.
Suitable for both free and forced vibration studies.
Ready-to-use unit available in stock.
Engineering Colleges and Technical Institutions
Research and Development Laboratories
Mechanical and Structural Dynamics Studies
Experimental Verification of Vibration Principles
The Rubber Hardness Tester is a precision digital instrument designed to measure the hardness of hard materials such as hard rubber, plastics, and resins. It operates using a conical indenter that penetrates the material surface, and the resulting hardness is displayed on a clear LCD screen.
This handheld durometer is battery-powered and provides high-resolution measurements with a simple and portable design, making it ideal for laboratory, industrial, and quality control applications.
Key Features
Digital Shore D hardness measurement with 0–100 HD range.
High-resolution reading at 0.5 HD increments.
Conical sharp-tip indenter for precise penetration.
LCD display for clear and instant readings.
Compact and portable, suitable for handheld use.
Battery-powered with 1.5V LR44 cell for convenience.
Ideal for hard rubber, plastics, and resin testing.
Applications
Testing the hardness of hard rubber products in manufacturing and quality control.
Evaluating plastic and resin materials in laboratories and production facilities.
Material verification for industrial, automotive, and research applications.
Useful for educational and training purposes in materials science.
The RCB Tester is a microprocessor-controlled instrument designed for accurate and reliable testing of residual current devices (RCDs). Featuring a clear 2-line × 16-character LCD display, it allows users to view test parameters and results simultaneously. The tester includes an automatic data hold function and zero-crossing circuitry for precision testing at 0° and 180°, ensuring dependable results under varying test conditions.
With selectable current ranges from 3 mA to 375 mA, it is suitable for testing a wide variety of RCDs. The device also measures voltage and frequency between line and earth before conducting a test, adding an extra layer of safety and convenience. Compact and battery-powered, it is ideal for field and workshop use.
Key Features
Microprocessor-controlled operation for high accuracy
Dual-line LCD display for simultaneous data view
Automatic data hold and auto power-off functions
Zero crossing circuitry for testing at 0° and 180°
Built-in voltmeter to measure voltage and frequency before testing
Rotary switch for quick current selection
Complies with EN 61010-1 CAT III 240V safety standards
Compact, portable, and user-friendly design
Applications
Testing and verification of RCDs in electrical installations
Industrial, commercial, and residential electrical maintenance
Quality control and field testing in electrical safety audits
Laboratory and educational training on circuit protection devices
The 4-in-1 Soil Tester is a multifunctional diagnostic instrument designed for quick and accurate evaluation of soil conditions. It simultaneously measures sunlight intensity, moisture level, soil pH, and temperature, providing essential information for maintaining optimal soil health and promoting better crop growth.
Its durable dual-probe system ensures precise readings of soil moisture and pH, while the integrated light sensor accurately evaluates sunlight intensity to help users determine the best planting locations. The built-in temperature probe gives real-time soil temperature data, crucial for both germination and growth monitoring.
Compact and lightweight, the V-Tech 4-in-1 Soil Tester is perfect for use in agricultural fields, nurseries, greenhouses, and home gardens. The instrument is designed for ease of usesimply insert the probes into the soil, select the desired parameter, and read the results instantly. No chemicals, additional sensors, or laboratory equipment are required.
The testers durable body construction and corrosion-resistant probes ensure long service life even under outdoor conditions. Its user-friendly design makes it suitable for both professionals and hobbyists, providing reliable data to optimize irrigation, fertilization, and soil conditioning practices.
Key Features
4-in-1 functionality: measures sunlight, soil moisture, pH, and temperature
Provides quick, accurate, and reliable soil condition data
Helps determine ideal soil conditions for different crops and plants
High-quality stainless steel probes ensure durability and accuracy
Suitable for both indoor and outdoor agricultural environments
Easy-to-read analog or digital display with clear scale indicators
Portable, lightweight, and energy-efficient design
Enables better decision-making for irrigation, planting, and fertilization
No external reagents or laboratory setup required
Applications
Agricultural soil testing and crop management
Horticulture and greenhouse monitoring
Lawn and garden maintenance
Forestry and environmental soil surveys
Educational and research laboratories
Home gardening and plant care
TheFruit Hardness Tester is a precision digital instrument designed to measure the firmness and ripeness of fruits by determining the penetration resistance of fruit flesh. It provides accurate, repeatable results, making it ideal for quality control, research, and harvest assessment.
The device features a digital LCD display with peak hold, zero adjustment, and reversible display options. It includes four interchangeable tips (3 mm, 5 mm, 8 mm, and 11 mm) to accommodate different fruit types and hardness levels. Data can be transferred to a computer via the RS-232 serial interface, ensuring efficient record-keeping and analysis.
High Accuracy: (0.5% + 2 digits) for reliable measurement.
Digital Display: Easy-to-read LCD with peak hold and zero functions.
Multiple Measurement Units: Displays readings in Kg, Lb, or Newton.
Wide Test Range: Measures hardness up to 20.00 Kg / 44.10 Lb / 196.10 N.
Four Interchangeable Tips: 3 mm, 5 mm, 8 mm, and 11 mm for testing various fruit textures.
RS-232/USB Interface: Enables computer connectivity for data logging and analysis.
Portable Design: Lightweight and battery-powered; supplied with a hard carrying case.
Dual Power Supply: Operates on six 1.5V AA batteries or an external DC 9V adapter.
Durable Construction: Suitable for both laboratory and field applications
Fruit Farms and Orchards: Determining the ideal harvest time by measuring ripeness and firmness.
Food Processing and Packaging Industries: Ensuring consistent product quality and texture.
Research Laboratories: Studying fruit physiology, ripening behavior, and storage effects.
Quality Control Departments: Performing standard firmness tests for grading and classification.
The Digital Fruit Hardness Tester is a precision instrument designed to measure the firmness or hardness of fruits and other agricultural products. It provides reliable and consistent readings, enabling quality control during production, harvesting, and post-harvest processes. The large 5-digit LCD display, with backlight and selectable direction, ensures clear visibility in any lighting condition.
This tester features both tension and compression measurement, along with Peak Hold and Zero functions for accurate data analysis. The set includes four interchangeable tips of various diameters to accommodate different fruit sizes and textures.
Key Features
High-precision digital measurement up to 20.00 kg / 196.10 N.
Interchangeable tips (3 mm, 6 mm, 8 mm, 11 mm) for diverse fruit types.
Dual-function operation: measures both tension and compression.
Peak Hold and Zero functions for improved accuracy.
Large backlit LCD display with reversible reading direction.
RS-232 interface for computer data transfer.
Portable and battery-operated, with optional DC 9V adapter.
Applications
Used in fruit firmness and ripeness testing for quality grading.
Ideal for agricultural research, food inspection, and harvest timing evaluation.
Applicable in fruit processing units, research laboratories, and quality control departments.