Subcategories

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  Anemometers

  An anemometer is a device used to measure wind speed. Indoors, it also measures air velocity and flow. In buildings, airflow is typically measured in cubic feet per minute (CFM) using anemometers to evaluate the performance of heating, ventilation, and air conditioning (HVAC) systems and equipment.

  EMI offers a wide range of products designed to meet the air flow and wind speed measurement needs of professionals across various industries, including HVAC, construction, energy, marine, and wind power. The selection includes hot-wire anemometers, thermo-anemometers, Pitot tube anemometers, cup anemometers, vane (propeller) anemometers, and impeller anemometers with capture hoods.

  Additionally, sailing enthusiasts, boaters, and watersports fans make use of EMI’s portable digital handheld anemometers and compact mini anemometers from PCE to assess wind conditions outdoors. For meteorological measurements, EMI also provides a range of weather station products equipped with relevant sensors.

  Beyond air or wind speed, multifunctional anemometers can measure additional parameters such as temperature and humidity. Depending on the model, some devices also feature data logging or storage capabilities, enabling long-term or time-based measurements. Data logging anemometers typically include internal memory or an SD card, USB ports, and optional software for detailed data analysis on a computer.

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  Balances

  Discover our range of commercial scales, industrial scales, weighing platforms, table scales, precision scales, analytical scales, counting scales, medical scales, among others, from traditional to more advanced.

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  Borescope Cameras -...

  A wide range of borescopes are available featuring various diameters, working length, viewing directions and angles. Our flexible fiberscopes and accompanying light sources to meet your remote visual inspection needs. We will help you find the best borescope, pipe inspection camera, or fiber optic camera for your application. 

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  Process Calibrators

  We have a wide range of multifunctional process calibrators, process multi-scanners, and mA loop calibrators. EMI LDA with a range of process calibration tools is a high accuracy source and measure portable handheld calibrator used to inspect and maintain the accuracy of control devices. A full range of calibrators and troubleshooting tools for Instrument technicians working in the process industries.

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  Thermal imaging...

  Thermal imaging cameras give you the power to see problems invisible to the eye, and to see in total darkness. Thermal cameras can reveal moisture intrusion, missing insulation, and many other problems. Thermography is an accurate, quantifiable, non-contact diagnostic technique used to visualize and quantify changes in surface temperatures using high performance infrared cameras. Thermography is an accurate, quantifiable, non-contact diagnostic technique used to visualize and quantify changes in surface temperatures. Applications include vascular evaluation, tissue condition, muscle strain assessment, and bleed point detection.

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  Flow meters

  EMI LDA witha  range of vane style, vortex shedding, rotameters and laminar flow element flowmeters for use in industry. Here you will find air flow meters to measure air velocity and air pressure, depending on the type of application. Ultrasonic handheld instrument for measuring flow and percolation. Perfect instrument for investigation of flow speed on all kin of pipe material (metall, plastic or ruber)

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  Gas Detectors and...

  EMI LDA offers the gas detection systems for early detection and prevention of Gas Detection. Measurement and detection of combustible and refrigerant gases.

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  Water Leak Detectors

  Reliable Water Leak Detector with WiFi and Ethernet Connectivity

  Our water leak detector is a highly reliable solution featuring both WiFi and Ethernet connectivity, with support for web interface (WWW), SNMP, email alerts, and PoE power supply. It is ideal for businesses and technical environments that require continuous protection against water damage.

  Even small amounts of liquid trigger an alarm as soon as they come into contact with the sensing cable at any point along its length. Whether due to air conditioning pipe condensation or unexpected leaks, the WLD2 alerts you in time—preventing costly water damage.

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  Digital Weather Stations

  Digital Weather Station for Accurate, Real-Time Climate Monitoring

  A Smart Investment for Homeowners and Professionals

  A digital weather station is an increasingly popular tool among homeowners, farmers, and industry professionals. Whether you're looking to buy a weather station for home use or need a professional weather monitoring system for precise environmental tracking, we offer versatile models for virtually every application.

  Each unit includes a thermometer, hygrometer, barometer, and rain gauge, providing real-time climate data with high accuracy. This complete setup ensures you can monitor temperature, humidity, atmospheric pressure, and rainfall – all in one place.

  What’s Included in Our Weather Monitoring System?

  Our digital weather station is composed of two main components:

  • The base station with a digital display for data reading and storage.
  • External weather sensors, designed to collect accurate data directly from the environment.

  These wireless or wired sensors are easily installed using the included mounting pole, making them suitable for outdoor use in gardens, farms, or remote monitoring areas. The sensors act as data loggers, recording weather conditions and sending them directly to the display unit.

  Key Features & Benefits

  • Wireless or Cable Data Transmission – Easily transmits data to the base unit using radio or cable connections.
  • Data Storage and Accessibility – Weather data is automatically stored and can be reviewed anytime.
  • PC or Laptop Connectivity – Connect to your computer to analyze historical weather patterns using charts and graphs.
  • Short-Term Forecasting – Use the software to predict local weather changes based on collected data.
  • Ideal for Agriculture, Industry, and Personal Use – Perfect for farmers, researchers, schools, or weather enthusiasts seeking reliable, long-term monitoring.

  Why Choose a Digital Weather Station?

  By choosing a professional weather station, you're gaining access to:

  • Real-time weather updates
  • Accurate forecasting tools
  • Long-term environmental tracking
  • Easy setup with remote sensors and user-friendly software
  • A solution that's scalable for home or commercial needs

  Whether you need to track rainfall for agriculture, monitor humidity indoors, or gather climate data for research, our digital weather station with sensors delivers dependable results.

  Ready to Buy a Digital Weather Station?

  Browse our selection and find the perfect digital weather station to suit your needs. Enjoy real-time weather tracking, accurate data analysis, and an intuitive interface that puts the power of weather monitoring in your hands.

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  Light Meters

  EMI LDA offers one of the largest selections of light meter models for industrial and building audit usage. Providing essential footcandle and Lux readings, EMI’s digital light meter range includes affordable, general-use models as well as sophisticated datalogging, LED (white, red and blue), and UV light meter choices.

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  Hardness tester

  Hardness Testing in Materials Science and Engineering

  In the field of materials science and engineering, hardness testing plays a critical role in assessing a material's resistance to deformation. This property directly influences its durability, wear resistance, and overall performance in a wide range of applications. Understanding a material’s hardness is key to determining its suitability for specific functions.

  The most commonly referenced hardness tests in material datasheets are Rockwell, Brinell, and Vickers. Among these, the Rockwell method is the most widely used due to its speed and simplicity, particularly in industrial settings. The Leeb and Knoop methods are more specialised and are less frequently cited in standard datasheets, as they are typically used in specific testing conditions and for particular applications.

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  Thickness measurement

  Thickness gauges for accurate measurement of substrate whether steel, iron or non-ferrous materials.

  The thickness gauges of ferrous coatings are indicated to measure the thicknesses of paint, enamel, varnish, plastics, zinc, brass, chromium, among other types of non-magnetic coatings. In this type of measurement the device uses magnetic induction as a measurement method.

  Thickness meters (non-ferrous) for non-ferrous substrates such as aluminum, brass, etc. Measures all types of insulating coatings such as paint, plastics, lacquers and others. In this type of measurement the apparatus uses as pulsed Eddy current measurement method.

  Thickness gauges include a wide range of features available to improve accuracy. Ultrasonic thickness meters can measure virtually all materials, such as plastics, metals, metal materials, rubber and internally corroded materials.

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  Force Gauges / Force...

  Force Measurement

  A force meter allows the measurement of forces such as compression, tension, spring or even friction forces. These force meters are commonly used to perform push/pull tests in quality control.

  Force measuring devices: analog or digital

  In addition to mechanical meters, we also offer digital meters. Digital versions allow recording to be stored, exported via USB plug or in some cases RS232, or with analog output. For all models, we have test benches that guarantee the highest precision and repeatability in your test series.

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  Torque

  Torque is the measure of force that causes an object to rotate around an axis. It is essential in mechanical and automotive contexts, particularly in engines, where it directly influences performance and efficiency. In this category, you will find a wide range of torque-related tools and equipment, such as torque wrenches, sensors, and control systems—ideal for industrial, workshop, and maintenance use. We offer reliable brands to ensure precision, safety, and consistency in every task.

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  Medidor de Resistência...

  A ground resistance tester is an instrument used to measure the electrical resistance between an earthing system and the actual ground. This type of measurement is essential to ensure electrical safety in installations, preventing electric shocks, fires, and ensuring the proper operation of protective devices such as circuit breakers and surge protection devices (SPDs).

  In our online store, you will find the ideal ground resistance tester for accurately measuring the resistance of specific earthing systems, as well as resistances in ohms. This portable, battery-operated device features functions such as a timer (e.g., 3 minutes), data-hold function, and a multifunctional LCD display.

  The tester offers three measurement ranges: 20, 200, and 2000 ohms, with resolutions of 10 mΩ, 100 mΩ, and 1 Ω, respectively.

  The measuring system uses a constant current inverter (approximately 800 Hz, 2 mA) to determine ground resistance, and a rectifier (approx. 5 kΩ/V, range 40 to 500 Hz) to measure ground voltage. Compact and versatile, the tester facilitates identification between ground, phase, and neutral conductors.

  It is an essential tool for the quick detection of faulty connections, outdated electrical installations, or failures in the grounding conductor. Order your ground resistance tester now from our online store.

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  Pressure - Vacuum Meters

  Pressure and vacuum measurement devices that will last, select from a huge selection of pressure gauges for every application and environment. To help detect essential process variables and transmit a continuous signal for measurement or data collection. A broad selection of Precision Digital Pressure Gauges for Gage, Absolute and Differential Pressures.

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  Process and Control

  EMI LDA comes to offering its customers a wide range of process and control equipment with a powerful combination of quality, reliability and safety. EMI LDA provides you with robust equipment, accurate and reliable for all kinds of work.

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  Occupational Health...

  EMI LDA offers a wide range of occupational Health and Safety instruments provide precise measuring to measure what's important in your safety program. See our variety of field instrumentation for wide use.
  Measuring instruments for OHS, air quality, sound level meters class 1 and class 2 spectral analyzers, environmental noise monitors, sound calibrators, hand / arm or body vibration meters, heat index meters, light meters, particle counter meter, CO2 meters

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  Ionizing Radiation

  Ionizing radiation is a form of energy that is capable of ionizing atoms and molecules, which means that it has enough energy to remove electrons from atoms, leaving them electrically charged. There are three main types of ionizing radiation: gamma radiation (γ), beta radiation (β) and X-rays.

  Gamma Radiation (γ):

  Gamma radiation is a form of high-energy electromagnetic radiation. Gamma (y) radiation is emitted by atomic nuclei during nuclear transition processes, such as radioactive decay.
  Gamma waves have no mass or electrical charge. And due to their high energy, gamma waves have the ability to penetrate deeply into materials, requiring significant thicknesses of concrete, lead or other high density materials to stop them.
  Gamma waves are used in several applications, including medicine (such as radiotherapy for cancer treatment), sterilization of materials, detection of flaws in materials, among others.

  Beta (β) radiation:

  Beta radiation (β) consists of electrons (β-) or positrons (β+), which are emitted by unstable nuclei during radioactive decay processes. Beta electrons are lighter than Gamma rays and, therefore, are less penetrating and can be blocked by materials such as metal plates or even clothing.

  Positrons are the antiparticle of electrons, and when they meet frequent electrons, they annihilate each other, releasing energy in the form of Gamma radiation. Beta radiation is often used in medicine, in applications such as cancer treatment and diagnostic imaging (such as positron emission tomography - PET scan).

  X ray:

  X-rays are a form of high-energy electromagnetic radiation, with wavelengths shorter than visible light. They are produced when high-energy electrons are abruptly slowed down or when electronic transitions occur in atoms.
  X-rays have greater penetrating strength than Beta radiation, but less than Gamma radiation. X-rays are widely used in medicine for diagnostic imaging, such as radiographs, fluoroscopy and computed tomography (CT scan), as well as in other areas such as airport security inspection, industrial quality control and in scientific research.
  In summary, these three types of ionizing radiation have different characteristics and applications, but they all present potential health risks and must be used with care and appropriate precautions.

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  Sound Meters & Decibel...

  From noisy nightclubs to loud manufacturing facilities, EMI LDA decibel meters are used to test whether a sound level exceeds levels established by municipal or national laws. Occupational safety and health standards for a reliable sound meter (commonly called a dB meter or noise meter) to determine an acceptable noise level with and without hearing protection. For on-the-person occupational sound measurement, EMI LDA noise dosimeter selection offers options for datalogging personal exposure to excessive sound levels.

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  Tachometers

  Pinpoint accuracy combined with measurement versatility. Tachometers are fast and accurate instruments utilizing laser or contact to measure rotational and linear speeds. Equipped with a laser and a range of contact adapters, they are versatile instruments that suit a wide range of applications. Having a compact design, they can be operated with just one hand and are supplied in a sturdy carrying case. The read out could be (km/h, RPM, meter per minute, liter per second ...).

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  Timers

  EMI LDA has a complete line of digital and programmable timers that suit different processes. It can be used to control the sequence of an event or process. Our timers can be mechanical, electromechanical and digital.

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  Transmitters

  What is a Transmitter?

  A transmitter is a device that converts a physical quantity (such as temperature, pressure, or position) into a standard signal (usually electrical or digital), enabling remote monitoring, control, or data logging.

  It is an essential component in automation, instrumentation, and telecommunications systems.

  General Operation

  1. Primary sensor: detects the physical variable (e.g., thermocouple for temperature).
  2. Transducer: converts the variable into a proportional electrical signal.
  3. Signal conditioning: amplification, filtering, etc.
  4. Final conversion: to a standardized signal (e.g., 4-20 mA, 0-10 V, digital).
  5. Transmission: to a controller, logger, or SCADA system.

  Types of Conversion and Associated Transmitters

  Physical Variable	Type of Transmitter	Example Application
  Position	Potentiometers, Encoders	Robotics, motorized valves
  Speed	Tachometers, Encoders	Electric motors, production lines
  Acceleration/Vibration	Accelerometers, Piezoelectric sensors	Machine condition monitoring
  Force / Pressure	Strain gauges, Piezoelectric	Hydraulic and pneumatic systems
  Voltage / Current	Electrical transducers	Power monitoring
  Temperature	Thermocouples, RTDs, Thermistors	Industrial processes, HVAC
  Density	Density transmitters	Food and chemical industries
  Viscosity	Torque-based sensors	Oil, paint, food processing
  pH	pH transmitters	Water treatment
  Flow	Ultrasonic, Coriolis, Electromagnetic	Pipelines, irrigation systems
  Gas	IR sensors, MQ, TGS	Gas leak detection
  Humidity	Capacitive, resistive	Agriculture, HVAC
  Light	LDRs, Photocells	Automatic lighting control
  Redox	ORP transmitters	Pools, chemical reactions
  Universal	Configurable transmitters (e.g., HART)	Industrial automation
  Vibration	Piezoelectric sensors	Motors, turbines monitoring

  Types of Output Signals

  • Analog: 4–20 mA, 0–10 V
  • Digital: Modbus, Profibus, HART, CAN
  • Wireless: Zigbee, LoRa, WirelessHART

  Practical Applications

  • Industry: process automation, production monitoring
  • Energy: electrical and environmental parameter monitoring
  • Environment: air and water quality control
  • Transportation: motor monitoring, safety systems
  • Smart buildings: HVAC, lighting and humidity control
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  Dial Indicators

  The dial indicator is a tool for measuring the difference in height between two flat surfaces using a built-in probe. The comparator is used in industry and in quality control to check tolerance during the inspection process. Comparators make it possible to measure flat surfaces and detect errors with great precision. EMI with a wide range of analog and digital comparators for professional use.