Observation platform A free standing tower that supports measuring instruments or sensors. Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Measurement_tower Measurement tower A device that detects events or changes in quantities and provides a corresponding output, generally as an electrical or optical signal. Sensor Sensor Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Sensor Instrument Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Levelling 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. Automatic level Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Scientific_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. Laboratory instrument Antenna An electrical device that converts electric power into radio waves and vice versa. Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Antenna_(radio) Communications component ODM2 Equipment Type Controlled Vocabulary ODM2 Working Group A vocabulary for describing types of equipment used for making observations. Examples include sensors, batteries, radios, dataloggers, samplers, etc. Storm box An enclosure used to protect electronic equipment used for stormwater sampling. Platform Datalogger Datalogger 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. Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Data_logger 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. Observation platform Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Tripod A graduate wooden, fiberglass, or aluminum rod used to determine differences in elevation. Definition adapted from Wikipedia. See https://en.wikipedia.org/wiki/Level_staff Instrument Level staff Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Radio A device that transfers information via electromagnetic signals through the atmosphere or free space. Communications component Radio Peripheral component Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Cable Cable Two or more wires running side by side and bonded, twisted, or braided together to form a single assembly. Observation platform Mast A pole that supports sensors, instruments, or measurement peripherals. Camera A device used to create photographic images Sampling device A device used to collect specimens for later ex situ analysis. Sampler Power component A device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy. Battery Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Battery_(electricity) Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Charge_controller Power component Charge regulator An electroinic device that limits the rate at which electric current is added to or drawn from electric batteries. Total station Definition adapted from Wikipedia. See https://en.wikipedia.org/wiki/Total_station Instrument 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. Power component Solar panel A photovoltaic module that is electrically connected and mounted on a supporting structure. Used to generate and supply electricity. Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Solar_panel Global positioning system receiver A device that accurately calculates geographical location by receiving information from Global Positioning System satellites. Definition adapted from Wikipedia. See https://en.wikipedia.org/wiki/GPS_navigation_device Sensor Interface A device used to couple multiple other devices. A device that selects one of several analog or digital input signals and forwards the selected input into a single line. Multiplexer A water quality monitoring instrument having multiple attached sensors. Sensor Definition adapted from Wikipedia. See https://en.wikipedia.org/wiki/Sonde_(electronics) Water quality sonde 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. Fluorometer Sensor A cabinet or box within which electrical or electronic equipment are mounted to protect them from the environment. Enclosure Platform Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Enclosure_(electrical) Sensor A water quality sensor that monitors light reflected off the particles suspended in water. Turbidimeter Definition adapted from Wikipedia. See https://en.wikipedia.org/wiki/Nephelometer Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Power_supply Power supply 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 component A sensor that measures pressure, typically of gases or liquids. Sensor Pressure transducer Definition adapted from Wikipedia. See http://en.wikipedia.org/wiki/Pressure_sensor Electronic device A generic electronic device