Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Measurement_tower Measurement tower Observation platform A free standing tower that supports measuring instruments or sensors. Instrument Automatic level A survey level that makes use of a compensator that ensures the line of sight remains horizontal once the operator has roughly leveled the instrument. Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Levelling Turbidimeter Sensor Definition adapted from Wikipedia. See https://en.wikipedia.org/wiki/Nephelometer A water quality sensor that monitors light reflected off the particles suspended in water. Laboratory instrument Instrument Any type of equipment, apparatus or device designed, constructed and refined to use well proven physical principles, relationships or technology to facilitate or enable the pursuit, acquisition, transduction and storage of repeatable, verifiable data, usually consisting of sets numerical measurements made upon otherwise unknown, unproven quantities, properties, phenomena, materials, forces or etc. Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Scientific_instrument Total station An electronic and optical instrument used in modern surveying and building construction. A total station is an electronic theodoloite integrated with an electronic distance meter to read slope distances from the instrument to a particular point. Instrument Definition adapted from Wikipedia. See https://en.wikipedia.org/wiki/Total_station A vocabulary for describing types of equipment used for making observations. Examples include sensors, batteries, radios, dataloggers, samplers, etc. ODM2 Working Group ODM2 Equipment Type Controlled Vocabulary Two or more wires running side by side and bonded, twisted, or braided together to form a single assembly. Cable Peripheral component Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Cable An electronic device that supplies electric energy to an electrical load. The primary function of a power supply is to convert one form of electrical energy to another (e.g., solar to chemical). Power supply Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Power_supply Power component A device that transfers information via electromagnetic signals through the atmosphere or free space. Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Radio Communications component Radio A device used to create photographic images Camera Definition adapted from Wikipedia. See https://en.wikipedia.org/wiki/GPS_navigation_device Sensor A device that accurately calculates geographical location by receiving information from Global Positioning System satellites. Global positioning system receiver Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Tripod Observation platform Tripod A portable, three-legged frame used as a platform for supporting the weight and maintaining the stability of some other object. Typically used as a data collection platform to which sensors are attached. Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Pressure_sensor Pressure transducer A sensor that measures pressure, typically of gases or liquids. Sensor Definition adapted from Wikipedia. See https://en.wikipedia.org/wiki/Fluorometer A device used to measure paramters of flouroescence, including its intensity and wavelength distribution of emission spectrum after excitation by a certain spectrum of light. Sensor Fluorometer A device that selects one of several analog or digital input signals and forwards the selected input into a single line. Multiplexer Water quality sonde Definition adapted from Wikipedia. See https://en.wikipedia.org/wiki/Sonde_(electronics) Sensor A water quality monitoring instrument having multiple attached sensors. Electronic device A generic electronic device Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Solar_panel A photovoltaic module that is electrically connected and mounted on a supporting structure. Used to generate and supply electricity. Solar panel Power component Instrument Definition adapted from Wikipedia. See https://en.wikipedia.org/wiki/Level_staff A graduate wooden, fiberglass, or aluminum rod used to determine differences in elevation. Level staff Platform An enclosure used to protect electronic equipment used for stormwater sampling. Storm box Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Charge_controller Power component An electroinic device that limits the rate at which electric current is added to or drawn from electric batteries. Charge regulator A device used to collect specimens for later ex situ analysis. Sampling device Sampler An electronic device that records data over time or in relation to location either with a built in instrument or sensor or via external instruments and sensors. Datalogger Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Data_logger Datalogger Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Antenna_(radio) Communications component Antenna An electrical device that converts electric power into radio waves and vice versa. Sensor Sensor Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Sensor A device that detects events or changes in quantities and provides a corresponding output, generally as an electrical or optical signal. Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Battery_(electricity) Battery A device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy. Power component Enclosure Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Enclosure_(electrical) Platform A cabinet or box within which electrical or electronic equipment are mounted to protect them from the environment. Observation platform Mast A pole that supports sensors, instruments, or measurement peripherals. Interface A device used to couple multiple other devices.