Test Instruments
Test instruments and diagnostic test equipment let workers isolate problems, maintain vital processes, and solve problems before they interrupt their work or cause hazards in their facility. Industrial testing equipment such as infrared thermometers, pressure gauges, analog and digital multimeters, and indoor air quality testers are used to diagnose and fix problems in laboratories or industrial facilities.
PRODUCT SUB CATEGORIES
Air Movement
Air Movement
Air movement test instruments measure air movement, such as velocity and flow, to help ensure optimum performance of HVAC systems. Handheld air velocity meters and anemometers can be brought to onsite locations to measure wind velocity, air speed, and other variables, such as air temperature and relative humidity. Air flow capture hoods measure the volume of air moving through HVAC diffusers, exhausts, and grilles. Air velocity indicators and air velocity transmitters measure air velocity at precise flow rates and temperatures, and can be mounted in hard-to-reach places. Replacement parts and add-on accessories maintain or enhance the performance of air movement test instruments.
Asphalt Testing
Asphalt Testing
Asphalt testing equipment is commonly used in pavement construction to determine if paving materials are safe for use, or to inspect asphalt after a road failure or similar incident has occurred. Asphalt testing compactors and asphalt testing compression machines automatically test and record data about the strength and stability of an asphalt mixture to help determine how the material will hold up over time.
Asphalt Testing
Automotive Testing
Automotive Testing
Automotive testing equipment is used to measure and identify potential issues in automotive engines and systems. Automotive test and record instruments, such as a multimeter kit, measure voltage, frequency, capacitance, and other factors to help pinpoint electrical issues. Automotive testing instruments are used to diagnose a range of problems, including cylinder compression, clogged mufflers, and pressure and vacuum leaks. Battery testers determine how much power automotive batteries are storing while battery load testers measure output voltage to help ensure batteries are producing enough power.
Combustion Testing
Combustion Testing
Combustion testing equipment is used to verify efficient combustion or identify combustion problems in commercial and industrial heating systems, helping ensure their safe operation. Combustion analyzers measure draft, temperature, oxygen, and carbon monoxide levels generated by oil, propane, natural gas, coal, wood, and kerosene-burning furnaces. Combustion analyzer accessories and supplies—such as printers, draft kits, and smoke testers—enhance the testing and recording capabilities of combustion analyzers.
Combustion Testing
Concrete Testing
Concrete Testing
Concrete testing equipment measures the strength and consistency of concrete material and evaluates its quality for use in existing structures or new construction. Cylinder molds are used to take and store concrete samples and assess the compressive strength of the hardened concrete over time. Maturity meters measure changes in temperature over time to evaluate the strength of new concrete. Slump testing products measure the consistency of fresh concrete before it sets, usually between loads. Rebar locators determine the location, depth, and size of rebars and other metals under the surface of the concrete.
Data Recording
Data Recording
Data recording equipment are test instruments and devices that precisely measure and record atmospheric and electrical information to help ensure optimum conditions for equipment, shipments, and facilities. Chartless digital recorders, electrical properties data loggers, and nonelectrical properties data loggers are paperless devices that continually record variables—such as voltage, water, oil pressure, temperature, and humidity—and display them on an LCD screen. Circular chart recorders use pens to record temperature and humidity data on rotating, round paper charts over a specified time period, providing an at-a-glance history of the conditions. Strip chart temperature recorders use pens to log temperature variations on a long strip of paper that is ejected out of the recorder, and are typically used to monitor conditions of products during shipment. Recorder and data logger accessories such as software and adapters enhance the performance of data recording equipment.
Data Recording
Electrical Power Testing
Electrical Power Testing
Electrical power testing devices and supplies help ensure power systems and equipment operate reliably and safely, and reduce maintenance downtime. Digital multimeters measure voltage, current, and resistance in circuits, components, wall outlets, and other electrical devices and are ideal for field service work. Clamp meters measure the current draw in a live circuit to troubleshoot motors or other electrical equipment. Megohmmeters measure the electrical resistances of insulators such as cable jackets, electrical wires, and motor windings to determine current leakage and identify faulty or damaged insulation. Test leads connect electrical testing equipment to the device being tested to help provide safe and accurate test results. High voltage detectors and voltmeters are used to measure and monitor high voltage equipment to make sure current flow is at the correct levels.
Electronic/Bench Testing
Electronic/Bench Testing
Electronic/bench testing equipment and supplies simulate operating conditions and perform functional tests to see if devices are working correctly. Air ionizers and antistatic systems and supplies reduce static electricity to help ensure a safe environment for building and testing electronic devices. Bench, or benchtop, power supplies provide the correct voltages and currents to power circuits and devices when designing and troubleshooting equipment. Function generators produce precise signals with different types of electrical waveforms over a range of frequencies to help develop, test, and repair electronic equipment. Spectrum analyzers display the frequency spectrum and measure the channel power and occupied bandwidth of radio-frequency waves in cellular phones, radio transmitters, and radar systems.
Electronic/Bench Testing
Indoor Air Quality
Indoor Air Quality
Indoor air quality test instruments are commonly used to monitor airborne pollutants and harmful substances to help ensure the safety and comfort of workers. Handheld combustible gas detectors identify natural gas leaks and analyze emissions from pipes, equipment, and tanks. Gas analyzers detect dangerous levels of invisible gases, such as carbon monoxide or carbon dioxide, that may be present in indoor air. Indoor air quality screening kits and particle counters help achieve clean indoor air by checking for specific pollutants such as mold, dust mites, or other allergens.
Nonelectrical Properties Testing
Nonelectrical Properties Testing
Nonelectrical properties testing devices capture information and identify potential issues in equipment with no electrical components. They are used for materials testing, equipment inspection, and product research. Borescopes are used to visually inspect hard-to-reach areas that are not usually visible without taking them apart, such as parts of vehicles and aircraft. Light meters measure lighting conditions to help maintain adequate light levels in schools, hospitals, laboratories, and industrial workspaces. Moisture meters measure moisture in wood, drywall, soil, and other building and farming applications to help ensure the quality and integrity of the materials. Environmental meters measure multiple properties such as sound, air velocity and volume, temperature, humidity, and light to provide complete information about environmental conditions.
Nonelectrical Properties Testing
Pavement Quality
Pavement Quality
Pavement quality testing instruments are devices that measure pavement evenness, flexibility, and asphalt compaction. They are commonly used by civil engineers and construction companies to analyze and determine pavement quality. High-low detectors measure planeness of pavement surfaces, such as highways, and require only one operator to detect, register, and dye mark fluctuations that need to be ground down or filled. Deflection devices, such as the Benkelman Beam, measure the deflection of flexible pavement under moving wheel loads to analyze pavement structure.
Pressure and Vacuum Measuring
Pressure and Vacuum Measuring
Pressure and vacuum measuring devices measure pressure to help ensure vacuum systems are working properly. They are used in a range of industrial and commercial applications, including water and wastewater, pulp and paper, oil and gas, or food and beverage. Digital pressure meters measure hydraulic or pneumatic pressure in HVAC systems, medical equipment, and machine tools. Manometers also measure low positive, negative, or differential air and gas pressures in dust collection systems and HVAC filter banks. Pressure and vacuum gauges monitor the pressure of air and noncorrosive fluids in pumps, filters, compressors, regulators, and boilers. Pressure and vacuum test plugs provide access to fluids and gases in closed systems and gather samples without opening or depressurizing the system. Pressure and vacuum transmitters, or transducers, transmit a continuous signal to collect data and send it to a monitoring device.
Pressure and Vacuum Measuring
Process Monitoring
Process Monitoring
Process monitoring test instruments assess, maintain, build, and calibrate process systems to improve efficiency and pinpoint issues before they cause downtime. Analog panel meters are typically used when relative change is a critical factor in a process. They have a moving needle and a numbered dial that displays measurement data, such as temperature, speed, pressure, and current. Digital panel meters precisely measure electrical flow conditions, such as voltage and current, and display the results on an easy-to-read LCD or LED screen. Process calibrators, process loop calibrators, and temperature calibrators are portable, handheld instruments that calibrate and measure values in instrumentation to identify faults in process applications. Ultrasonic flow meters use ultrasonic waves to detect and measure the speed of liquid or gas inside a pipe without having to break it open.
Replacement Parts for Construction and Pavement Testing
Replacement Parts for Construction and Pavement Testing
Replacement parts for construction and pavement testing equipment replace worn or broken parts and help keep equipment operating efficiently. Replacement parts for asphalt, concrete, cement, mortar, grout, and pavement testing equipment include compaction hammers and bases, latches and valves, and o-rings and pins.
Replacement Parts for Construction and Pavement Testing
Temperature and Humidity Measuring
Temperature and Humidity Measuring
Temperature and humidity measuring devices track temperature changes, humidity levels, and other climatic conditions in commercial and industrial environments. Digital thermometers provide precise temperature readings for a wide range of applications, including indoor and outdoor settings, heating and cooling systems, and chemical processing. Wireless thermometers and humidity meters monitor temperature data in remote areas. Infrared thermometers and temperature sensors have a bright laser for precise targeting and accurate readings in hard-to-reach and hazardous locations. Weather stations track temperature, humidity, barometric pressure, and other data to forecast weather conditions.
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