Showing results: 31 - 45 of 70 items found.
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Campbell Scientific, Inc.
Campbell Scientific offers two types of leaf wetness sensors to measure the wetness of leaves: surface contact and electrical resistance. Surface contact sensors measure the electrical resistance of a water film on their surface. Electrical resistance sensors imitate the characteristics of leaves and measure the dielectric constant of their upper surfaces.
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Campbell Scientific, Inc.
Soil temperature sensors come in a variety of designs using thermistors, thermocouples, thermocouple wires, and averaging thermocouples. The electrical signals transmitted from the sensors to our dataloggers can be converted to different units of measurement, including °C , °F, and °K. Our dataloggers are also capable of measuring most commercially available soil temperature sensors.
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Campbell Scientific, Inc.
Soil volumetric water content probes (sometimes referred to as soil moisture sensors) measure the water content of soil. These probes can be used to estimate the amount of stored water in a profile or how much irrigation is required to reach a desired amount of water in the soil. These probes can be used for quick measurements or installed for long-term measurements.
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Campbell Scientific, Inc.
Campbell Scientific pH sensors measure the level of pH in sample solutions by measuring the activity of the hydrogen ions in the solutions. This activity is compared to pure water (a neutral solution) using a pH scale of 0 to 14 to determine the acidity or alkalinity of the sample solutions.
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Campbell Scientific, Inc.
Turbidity sensors measure the amount of light that is scattered by the suspended solids in water. As the amount of total suspended solids (TSS) in water increases, the water's turbidity level (and cloudiness or haziness) increases. Turbidity sensors are used in river and stream gaging, wastewater and effluent measurements, control instrumentation for settling ponds, sediment transport research, and laboratory measurements.
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Campbell Scientific, Inc.
Fuel moisture and fuel temperature sensors emulate and measure the moisture content and temperature of similarly sized twigs on the forest floor. The sensors are typically used as part of larger systems, such as fire weather stations with dataloggers and telemetry capability, to remotely assess changing fuel conditions and potential fire hazards.
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Campbell Scientific, Inc.
Water conductivity sensors are used in water-quality applications to measure how well a solution conducts an electrical current. This type of measurement assesses the concentration of ions in the solution. The more ions that are in the solution, the higher the conductivity.
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CR300-Series -
Campbell Scientific, Inc.
CR300 dataloggers are small, low-cost, high-value dataloggers with many of the features of other Campbell Scientific dataloggers. In addition, the CR300 dataloggers offer faster communications, low power requirements, built-in USB, and excellent analog input accuracy and resolution.
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Campbell Scientific, Inc.
Campbell Scientific offers a variety of sensors to measure water level, stage, and flow: pressure transducers, shaft encoders, radar ranging sensors, sonic ranging sensors, and bubblers. Users often select their sensors based on the site location, required accuracy level, and ease of installation.