Voltmeter 30v electric and dual range
The Voltmeter 30V Electric and Dual Range is a precision electrical measuring instrument designed to measure electrical potential difference (voltage) in circuits up to 30 volts. Featuring a dual-range capability, this voltmeter allows users to select between two voltage measurement ranges for improved accuracy and versatility in both low and moderate voltage applications. Commonly used in educational laboratories, electronics workshops, and industrial settings, it is essential for diagnostics, circuit testing, and electrical experiments. The device typically includes a clear analog or digital display, robust casing, and reliable probes for safe and accurate voltage measurement.
Voltmeter 30v electric and dual range
Primary Uses
- Laboratory and Educational Applications
- Measures voltage across components and circuits for educational experiments and demonstrations.
- Used in electronics labs to troubleshoot, test, and verify circuit functionality.
- Facilitates learning of basic electrical principles such as Ohm’s law and voltage division.
- Supports calibration of electrical devices by providing accurate voltage readings.
- Enables safe monitoring of voltage levels in low-voltage electrical setups.
Secondary Uses
- Research and Industrial Applications
- Employed in quality control to verify voltage specifications in manufactured electronic components.
- Used by technicians in maintenance and repair of electrical and electronic equipment.
- Assists in research requiring precise voltage measurements in experimental circuits.
- Supports fieldwork diagnostics in electrical installations and troubleshooting.
1.Basic Identification Attributes
- Voltage Range: Dual ranges typically include 0-15V and 0-30V or similar configurations
- Display: Analog needle or digital screen for clear voltage indication
- Input Impedance: High input impedance to minimize circuit interference
- Power Supply: Battery operated or external power supply depending on model
2.Physical & Chemical Properties
- Construction: Durable plastic or metal casing with protective cover
- Probes: Insulated leads with metal tips for safe contact
- Portability: Lightweight and compact for ease of use and transport
3.Safety & Hazard Attributes
- Designed to prevent electrical shock with insulated components and protective features
- Complies with safety standards for electrical measurement instruments
4.Storage & Handling Attributes
- Store in a dry, dust-free environment away from extreme temperatures
- Handle probes carefully to maintain insulation integrity
- Regularly inspect for damage or wear to ensure accurate readings and safety
5.Regulatory & Compliance Attributes
- Complies with IEC and other relevant electrical safety and quality standards
- Suitable for use in accredited educational, research, and industrial laboratories
6.Environmental & Health Impact
- Batteries should be disposed of responsibly to minimize environmental impact
- Device constructed from recyclable materials where applicable
Safety Handling Precautions
- Use according to manufacturer instructions to avoid damage or inaccurate readings
- Avoid measuring voltages above rated capacity to prevent damage or hazards
First Aid Measures
- In case of electrical shock, follow emergency procedures and seek medical attention
- Avoid prolonged skin contact with probes during measurement
Firefighting Measures
- Device is non-flammable; apply standard firefighting measures to surrounding materials if fire occurs
Related products
Balance Mechanical Ohaus Centre
Balance Mechanical Ohaus Centre is a high-precision mechanical balance designed for laboratory and industrial use. Featuring a central zero adjustment, this balance enables accurate measurement of small to medium-weight samples with fine calibration control. Constructed with durable, corrosion-resistant materials, it delivers reliable and consistent weighing results without requiring electrical power. Its simple mechanical design ensures easy operation and maintenance, making it suitable for research laboratories, quality control departments, and industrial environments where precise manual weighing is essential.
Balance Spring
The Balance Spring is a fundamental mechanical component used in balances and scales to measure weight through elastic deformation. It converts force into measurable displacement, enabling precise weight determination in various laboratory and industrial balances. Manufactured from high-quality, durable metals with excellent elastic properties, the balance spring ensures consistent performance and longevity under repeated use. It is essential for maintaining accuracy and reliability in mechanical weighing devices.
Bar Breaking Apparatus
The Bar Breaking Apparatus is a mechanical testing device used to determine the breaking strength and mechanical properties of materials, particularly bars and rods, in laboratory and industrial settings. It applies controlled force to a specimen until it fractures, providing critical data for quality control, material research, and compliance with industry standards. Constructed from robust metals with precise force application mechanisms, this apparatus ensures reliable, repeatable results essential for material characterization and safety assessments.
Barometer Tubes
Barometer Tubes are precision glass tubes used in barometers to measure atmospheric pressure. These tubes are typically filled with mercury or other suitable liquids and are sealed to allow accurate pressure readings based on liquid column height. Barometer tubes are essential components in meteorological instruments and laboratory equipment for pressure measurement and environmental monitoring. Manufactured with high-quality, clear glass, they provide durability, clarity, and accurate fluid displacement for precise readings.
Bourdan Gauge
The Bourdon Gauge is a mechanical pressure measuring instrument widely used to measure medium to high pressure of gases and liquids in various laboratory and industrial applications. It consists of a curved, hollow metal tube which straightens as pressure increases, causing a pointer to move over a calibrated scale for easy reading. Known for its durability, reliability, and precision, the Bourdon Gauge is essential in pressure monitoring, process control, and safety systems. It operates without electrical power, making it ideal for harsh environments.
Digital pH Meter
A Digital pH Meter is a high-precision instrument designed to measure the acidity or alkalinity of liquid samples with accuracy and ease. Utilizing an electrode and electronic circuitry, it measures the voltage difference caused by hydrogen ion activity in a solution and converts it into a pH value displayed digitally. These devices are available in various formats—handheld, benchtop, waterproof, or pen-style—and often include advanced features such as automatic temperature compensation (ATC), backlit displays, auto-calibration, and data logging capabilities. Digital pH meters are vital tools across laboratories, environmental monitoring setups, industrial production lines, agricultural operations, food and beverage manufacturing, and water treatment facilities. They ensure reliable pH readings for maintaining chemical balance, compliance, and product quality in numerous applications.
Electrode Copper Plate
Electrode Copper Plate is a high-purity copper sheet designed for use as an electrode in various electrical, electrochemical, and industrial applications. Known for its excellent electrical conductivity, thermal stability, and corrosion resistance, copper plates serve as reliable electrodes in electroplating, battery manufacturing, and electrical circuitry. These plates are manufactured with precise thickness and smooth surfaces to ensure efficient current flow and optimal performance. Copper electrodes are widely used in laboratories, manufacturing plants, and industrial processes that require durable and efficient electrical conductors.
Litmus Paper Blue
Litmus Paper Blue is a pH indicator paper used to detect acidic substances. It is impregnated with litmus dye extracted from lichens, which changes color when exposed to acidic or basic environments. Blue litmus paper turns red under acidic conditions (pH < 4.5) and remains blue in neutral or alkaline solutions. It is widely used in laboratories, education, environmental testing, and industrial processes for quick and easy pH testing.

Preservatives(food)
Flavor Enhancers
Acidulants
Sweeteners
Antioxidants
Colorants(food)
Nutraceutical Ingredients (food)
Nutrient Supplements
Emulsifiers
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Fragrances and Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Fertilizers
Soil Conditioners
Plant Growth Regulators
Animal Feed Additives
Biostimulants
Pesticides (Herbicides, Insecticides, Fungicides)
Active Pharmaceutical Ingredients (APIs)
Excipients
Solvents(pharmaceutical)
Antibiotics
Antiseptics and Disinfectants
Vaccine Adjuvants
Nutraceutical Ingredients (pharmaceutical)
Analgesics & Antipyretics
Analytical Reagents
Solvents(lab)
Chromatography Chemicals
Spectroscopy Reagents
microbiology-and-cell-culture-reagents
Molecular Biology Reagents
Biochemical Reagents
Inorganic and Organic Standards
Laboratory Safety Chemicals
Specialty Laboratory Chemicals(Special Laboratory Equipment)
Demulsifiers
Hydraulic Fracturing Fluids
Scale Inhibitors(oil)
Surfactants(oil)
Drilling Fluids
Dyes and Pigments
Bleaching Agents
Softening Agents
Finishing Agents
Antistatic Agents
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances
Electronic Chemicals
Catalysts
Lubricants
Photographic Chemicals
Refrigerants
Automotive chemicals
Pyrotechnic Chemicals
Biodegradable Surfactants
Bio-based Solvents
Renewable Polymers
Carbon Capture Chemicals
Wastewater Treatment Chemicals
Pigments
Solvents(paint)
Specialty Coatings
Binders/Resins
Additives
Driers
Anti-Corrosion Agents
Functional Coatings
Application-Specific Coatings
Leavening Agents
Dough Conditioners
Flour Treatments
Fat Replacers
Decoratives
Preservatives(baking)
Plasticizers & Softeners
Reinforcing Agents
Adhesion Promoters
Vulcanizing Agents
Antidegradants
Blowing Agents
Fillers & Extenders
Accelerators & Retarders