All Sensors

Results: 1 to 16 of 89
  • T-SDX-93720-xxx-xxx

    The Stevens SDX (Submersible Depth Transmitter) is a high-accuracy water level/depth sensor that works with Onset’s HOBO® RX3000 cellular weather station to bring your water level data to the web. Suitable for a wide range of level monitoring applications, the SDX is a cost-effective option for remote, real-time water level data collection.

  • 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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  • 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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  • pHionics

    The pHionics STs pH sensor is a submersible, water quality transmitter featuring an integrated preamp and an isolated 'true 2-wire', 4-20 ma transmitter. Compatible with Onset HOBO RX3000 weather stations, the STs pH sensor provides independent channels to simultaneously transmit a pH and temperature signal -- two wires for pH and two wires for temperature. The compact design makes the rugged sensor/transmitter ideal for applications such as process control, data acquisition, wastewater treatment, and groundwater monitoring.

  • 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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  • T-MINOL-130-NL

    Measure cold and hot water flow rates with this compact, affordable water meter. The small-sized T-MINOL-130-NL is designed for deployment in apartments, assisted living communities, and other commercial buildings. Please note, the T-MINOL is configured for use with 3/4" pipes. (Use step-ups or step-downs to deploy the T-MINOL with 1/2" or 1" pipe diameters.)

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  • CABLE-ADAP24

    The CABLE-ADAP24 is an external input cable providing analog sensor input of 0-24 Vdc max. for HOBO ZW Series data nodes, UX120, and U12 series data loggers with one or more analog inputs. The cable has 13mm (0.5") tinned braided wire leads and a total length 1.9m (6.3 ft.).

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  • T-ACT-0750-250

    The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.

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  • T-ACT-0750-020

    The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.
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  • T-ACT-0750-050

    The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.

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  • T-ACT-0750-100

    The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.

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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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  • T-VER-E50B2

    Build better energy efficiency and power management with the E50B2 Power & Energy Meter. This cost-effective sensor is simple to deploy and can either be installed on standard DIN rail or be surface mounted. The E50B2 integrates with HOBO UX, U30, ZW, H22, and H21 data loggers.

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