Weather/Field Research External Sensors

Results: 1 to 16 of 32
  • S-RGE-M002

    Davis® Rain Gauge Smart Sensors are compatible with all HOBO weather station loggers, HOBOware, and HOBOlink. They offer the same ease-of-use as existing Onset Smart Sensors, providing cost-effective HOBO weather stations for projects on a tight budget. The sensors feature a plug-in modular connector for easy installation, and all configuration parameters are stored in the sensor and automatically communicated to the logger, eliminating the need for programming or extensive setup.

    • Designed to meet World Meteorological Organization (WMO) guidelines
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  • S-RGF-M002

    The Davis® Rain Gauge Smart Sensors features the new AeroCone® design, for better measurement accuracy in high-wind conditions. This gauge is made from UV-stabilized ABS plastic to provide a cost-effective sensor for rainfall measurement, and is plug-and-play compatible with all HOBO weather stations.

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  • RMYOUNG-05305

    The Wind Monitor is a high resolution wind sensor for air quality applications, that is compatible with Onset's line of research-grade weather stations, including the RX3000, U30-NRC, H21, and H22 systems. When paired with the S-WCB-M003 wind sensor adapter, it offers plug-and-play performance with Onset stations, eliminating the need for programming or complex wiring.  It combines low threshold, fast response and excellent fidelity to meet important regulatory standards.



    U.S. Environmental Protection Agency Ambient Monitoring Guidelines for Prevention of Significant Deterioration (PSD).



    U.S. Nuclear Regulatory Agency NRC Regulatory Guide 1.23 Meteorological Programs in Support of Nuclear Power Plants.



    American Nuclear Society Standard for Determining Meteorological Information at Power Plants.



    Wind speed is sensed by a lightweight, carbon fiber thermoplastic (CFT), helicoid propeller. The wind direction sensor is a lightweight, balanced vane. The instrument body is UV stabilized plastic with stainless steel and anodized aluminum fittings. The instrument mounts on standard 1 inch pipe.

  • S-WCF-M003

    Davis® Wind Speed/Direction Smart Sensors are compatible with all HOBO weather station loggers, HOBOware, and HOBOlink. They offer the same ease-of-use as existing Onset Smart Sensors, providing cost-effective HOBO weather stations for projects on a tight budget.  The sensors feature a plug-in modular connector for easy installation, and all configuration parameters are stored in the sensor and automatically communicated to the logger, eliminating the need for programming or extensive setup.

    • Designed to meet World Meteorological Organization (WMO) guidelines
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  • S-WSB-M003

    Measure wind speed from 0 to 76 m/s (0 to 170 mph). This smart sensor provides data reporting average wind speed and highest 3 second gust for each logging interval. The starting threshold is 1 m/s (2.2 mph); sensor survives through 170 mph. This model comes with a 3m cable.

    NOTE: an M-CAA Full Cross Arm or a M-CAB Half Cross Arm is required for mounting.

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  • S-WSET-B

    The Wind Sensor Set includes Onset's research-grade plug-and-play Wind Speed Smart Sensor and the Wind Direction Smart Sensor. This combination provides average wind speed, highest 3-second wind gust, and average wind direction for the measurement interval. These durable sensors will provide many years of accurate and reliable performance.

    NOTE: Mount these on the M-CAA Full Cross Arm for proper sensor spacing for accurate wind measurement in all wind directions.

    The cross arm must be mounted on a stable mast using guy wires as needed to prevent the sensors from vibrating in high winds.

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  • S-WDA-M003

    The Wind Direction Smart Sensor is a research-grade plug-and-play sensor for measuring and logging wind data. It provides average wind direction for the measurement interval. This highly-durable wind vane has a drip overhang for anti-icing. Its shielded stainless-steel ball bearings and static-dissipating housing provide a long sensor life. The sensor calculates a unit vector average of the wind direction, providing data directly in degrees.

    NOTE: an M-CAA Full Cross Arm or M-CAB Half Cross Arm is required for mounting.

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  • S-SMD-M005

    Measure soil moisture over a large volume of soil with the affordably-priced 10HS Soil Moisture Smart Sensor. This sensor integrates the field-proven 10HS Sensor and a 12-bit A/D, providing ±3% accuracy in most soils conditions, and ±2% accuracy with soil-specific calibration. The 10cm probes measure soil moisture over a larger volume of soil which helps to average out any soil variability. Readings are provided directly in volumetric water content. This sensor's high frequency design gives it a low sensitivity to salinity and textural effects and a wide measurement range.

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  • RMYOUNG-05106

    The Wind Monitor is an accurate and reliable wind sensor specifically designed for the rigors of the marine environment, that is compatible with Onset's line of research-grade weather stations, including the RX3000, U30-NRC, H21, and H22 systems. When paired with the S-WCC-M003 wind sensor adapter, it offers plug-and-play performance with Onset stations, eliminating the need for programming or complex wiring.

    The wind speed sensor is a four blade helicoid propeller. Unique transducer produces a pulse signal without electrical contacts or slip rings. The wind direction sensor is a durable molded vane. Vane angle is sensed by a precision potentiometer housed in a sealed chamber. All materials are carefully selected for corrosion resistance and maximum durability in the harsh marine environment. Extremely durable ceramic bearings are used throughout. Stainless steel bearings are used throughout. Special waterproof lubricant further enhances reliability. The instrument mounts on standard 1 inch pipe.

  • RMYOUNG-05103

    The Wind Monitor is a high performance wind sensor that is compatible with Onset's line of research-grade weather stations, including the RX3000, U30-NRC, H21, and H22 systems. When paired with the S-WCE-M003 wind sensor adapter, it offers plug-and-play performance with Onset stations, eliminating the need for programming or complex wiring.

    Rugged, corrosion-resistant construction makes the Wind Monitor ideal for a wide range of wind measuring applications.
The wind speed sensor is a four blade helicoid propeller; the wind direction sensor is a rugged yet lightweight vane. Vane angle is sensed by a precision potentiometer. Constructed of UV stabilized plastic with stainless steel and anodized aluminum fittings, the sensor mounts on standard one-inch pipe.

  • S-UCD-M001

    The Contact Closure Pulse Input Adapter connects sensors with pulse outputs to data loggers with smart-sensor inputs. This smart sensor is compatible with contact closures, such as tipping-bucket rain gauges or reed switches with a maximum input frequency of 2 Hz (2 pulses per second), and a preferred switch-type of normally-open. See how the pulse recorder works.

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  • S-UCC-M001

    The Electronic Switch Pulse Input Adapter connects sensors with pulse outputs to data loggers with smart-sensor inputs. This Smart Sensor is compatible with electronic switch closures such as FET or open-collector outputs, or CMOS-level logic signals with a maximum input frequency of 120 Hz (120 pulses per second). See how the pulse recorder works.

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  • S-BPB-CM50

    The Barometric Pressure Smart Sensor has a measurement range of 660 mb to 1070 mb (19.47 to 31.55 inHg), and can perform measurement averaging to obtain the highest accuracy. The operating temperature range for this sensor is -40° to 70°C (-40° to 158°F). This weatherproof smart sensor is mounted outside the data logger enclosure.

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  • S-UCD-M006

    The Contact Closure Pulse Input Adapter connects sensors with pulse outputs to data loggers with smart-sensor inputs. This smart sensor is compatible with contact closures, such as tipping-bucket rain gauges or reed switches with a maximum input frequency of 2 Hz (2 pulses per second), and a preferred switch-type of normally-open. See how the pulse recorder works.

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  • S-UCC-M006

    The Electronic Switch Pulse Input Adapter connects sensors with pulse outputs to data loggers with smart-sensor inputs. This Smart Sensor is compatible with electronic switch closures such as FET or open-collector outputs, or CMOS-level logic signals with a maximum input frequency of 120 Hz (120 pulses per second). See how the pulse recorder works.

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  • TMC6-HD

    A temperature sensor for use with HOBO U-Series, UX120-006M external-channel data loggers or ZW series wireless data nodes. This model measures temperature in air, water, or soil. Accuracy and resolution vary according with attached logger model. Measurement range is -40° to 50°C (-40° to 122°F) in water or soil, -40° to 100°C (-40° to 212°F) in air; response time is minutes typical to 90% in air moving 1 m/sec (2.2 mph); response time in stirred water is 1 minute typical to 90%. This model sensor is attached to a 1.8m (6ft) cable.

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