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    HOBOnet Leaf Wetness Sensor

    Manufacturer:
    The HOBOnet Leaf Wetness Sensor provides accurate leaf wetness data for a variety of growing and research applications; ready to use, requires no painting or coating.
    Part Number: RXW-LWA-922
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    $717.00 ex GST
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    Unlock Accurate Growing Insights with Wireless Leaf Wetness Sensor

    A wireless sensor that provides accurate leaf wetness data for a variety of growing and research applications; ready to use, requires no painting or coating.

    Provides accurate leaf wetness data for a variety of growing and research applications. This preconfigured, ready-to deploy sensor requires no painting or coating, uses a capacitive grid that is less sensitive to surface residues than resistive grid-based sensors, and comes preconditioned for long-term stability and consistent measurements between sensors.

    HOBOnet wireless sensors communicate data directly to the HOBO RX3000 or the HOBO MicroRX station or pass data through other wireless sensors back to the central station. Data is accessed through HOBOlink, Onset's innovative cloud software platform.


    Important Information

    A complete system requires at least one HOBO RX3000 Remote Monitoring Station, a HOBOnet Wireless Manager, and a HOBOnet Wireless Sensor, OR one HOBO MicroRX Station (which has an integrated HOBOnet Wireless Manager) and a HOBOnet Wireless Sensor. HOBOnet Wireless Repeaters (RXW-RPTR-xxx or RXW-RPTR-B-xxx) can be added to extend the range.


    Sensor Features

    • Does not require any painting or coating
    • Preconditioned for consistent measurements
    • 3-meter cable and mounting bracket included


    Wireless Features

    • 900 MHz wireless mesh self-healing technology
    • 450 to 600 meter (1,500 to 2,000 feet) wireless range and up to five hops
    • Up to 50 wireless sensors or 336 data channels per HOBO RX station
    • Simple button-push to join the HOBOnet wireless network
    • Onboard memory to ensure no data loss
    • Powered by rechargeable AA batteries and built-in solar panel

    Technical Information

    Sensor
    Measurement Range 0 (dry) to 100% (wet)
    Sensor Type Capacitive grid
    Interchangeability Between Sensors (Over the Range 10–90% Wet) ±10%
    Repeatability ±5%; see Note 1
    Resolution 0.59%
    Stability (Drift) < ±5% per year (in typical growth conditions)
    Service Life 3 years in typical growth conditions

    Wireless Mote
    Operating Temperature Range -25° to 60°C (-13° to 140°F) with rechargeable batteries
    -40° to 70°C (-40° to 158°F) with lithium batteries
    Radio Power 12.6 mW (+11 dBm) non-adjustable
    Transmission Range Reliable connection to 457.2 m (1,500 ft) line of sight at 1.8 m (6 ft) high
    Reliable connection to 609.6 m (2,000 ft) line of sight at 3 m (10 ft) high
    Wireless Data Standard IEEE 802.15.4
    Radio Operating Frequencies 916–924 MHz
    Modulation Employed OQPSK (Offset Quadrature Phase Shift Keying)
    Data Rate Up to 250 kbps, non-adjustable
    Duty Cycle <1%
    Maximum Numbe rof Motes Up to 50 wireless sensors or 336 data channels per one HOBO RX station
    Logging Rate 1 minute to 18 hours
    Number of Data Channels 2
    Battery Type / Power Source Two AA 1.2 V rechargeable NiMH batteries powered by built-in solar panel or two AA 1.5 V lithium batteries for operating conditions of -40° to 70°C (-40° to 158°F)
    Battery Life With NiMH batteries: Typical 3–5 years when operated in the temperature range -20° to 40°C (-4°F to 104°F) and positioned toward the sun (see Deployment and Mounting), operation outside this range will reduce the battery service life
    With lithium batteries: 1 year, typical use
    Memory 16 MB
    Dimensions Sensor grid: 4.7 x 5.1 cm (1.8 in x 2.0 inches)
    Sensor housing: 12.2 x 1.8 cm (4.8 in x 0.7 inches)
    Mounting bracket: 20 x 3 x 0.5 cm (8 x 1.3 x 0.2 inches)
    Cable length: 2 m (6.56 ft)
    Mote: 16.2 x 8.59 x 4.14 cm (6.38 x 3.38 x 1.63 inches)
    Weight Sensor and cable: 127 g (4.5 oz); with bracket: 290 g (10.2 oz)
    Mote: 223 g (7.87 oz)
    Materials Sensor: PVC housing, epoxy potting compound, nylon grommet, FR-4 circuit board, PVC cable jacket
    Bracket: PVC mounting bracket, UV-stable nylon cable ties, zinc dichromate plated steel U-bolts
    Mote: PCPBT, silicone rubber seal
    Environmental Rating Sensor and cable: Weatherproof
    Mote: IP67, NEMA 6
    Compliance Marks  See User Manual

    Note 1 Given the nature of the sensor design and sensor operating frequency, the system has inherent susceptibilities to Radio Frequency signals. The repeatability specification when subjected to certain RFI environments, such as those outlined in IEC 61000-4-3 and IEC 61000-4-6, may be significantly reduced.
    The system level repeatability will be particularly affected when placed in an electric field of 3 V/m or greater in the 150 KHz to 1000 MHz range. RFI mitigation practices and physical deployment changes may reduce the system susceptibility. If deployments are planned in high RFI energy environments, Onset recommends on-site testing to determine system level repeatability.

    Onset HOBOnet Field Monitoring System

    Transform the way you collect and view field data! With up to 50 wireless sensors streaming data back to one central, cloud-based weather station, you can now measure conditions over large areas once considered too costly or impractical to monitor.

    The NEW HOBOnet Field Monitoring System from Onset provides a cost-effective and scalable solution for web-enabled monitoring of field conditions for applications such as crop management, research, and greenhouse operations.



    How to Create a Dashboard in HOBOlink

    This video shows users of the Onset HOBOlink cloud service how to create a dashboard for instant visualization of current and historical data. HOBOlink dashboards are a powerful and intuitive way to combine data from multiple Onset HOBO RX3000 or HOBOnet systems and show the data in a single view.



    How To Add the Onset HOBOnet Manager to the RX3000 Station

    This video explains how to install the Onset HOBOnet Manager in your HOBO RX3000 station. The Manager enables your wireless sensors to join a network and begin taking measurements and transmitting data.



    How to Add Sensors to the HOBOnet Wireless Sensor Network

    This video will show you how to pair a Onset HOBOnet wireless sensor to its HOBOnet RX3000 weather station.



    How to Create a Map View of your HOBOnet Wireless System

    This video will show you how to set up the Google Map feature for your HOBOnet Field Monitoring System.


    Onset have a complete range of HOBOnet wireless sensors and external Smart Sensors to suit the;

    HOBO RX3000, RX2100 Range, U30, H21 and H22 Data Logger series.


    Unlock Accurate Growing Insights with Wireless Leaf Wetness Sensor

    A wireless sensor that provides accurate leaf wetness data for a variety of growing and research applications; ready to use, requires no painting or coating.

    Provides accurate leaf wetness data for a variety of growing and research applications. This preconfigured, ready-to deploy sensor requires no painting or coating, uses a capacitive grid that is less sensitive to surface residues than resistive grid-based sensors, and comes preconditioned for long-term stability and consistent measurements between sensors.

    HOBOnet wireless sensors communicate data directly to the HOBO RX3000 or the HOBO MicroRX station or pass data through other wireless sensors back to the central station. Data is accessed through HOBOlink, Onset's innovative cloud software platform.


    Important Information

    A complete system requires at least one HOBO RX3000 Remote Monitoring Station, a HOBOnet Wireless Manager, and a HOBOnet Wireless Sensor, OR one HOBO MicroRX Station (which has an integrated HOBOnet Wireless Manager) and a HOBOnet Wireless Sensor. HOBOnet Wireless Repeaters (RXW-RPTR-xxx or RXW-RPTR-B-xxx) can be added to extend the range.


    Sensor Features

    • Does not require any painting or coating
    • Preconditioned for consistent measurements
    • 3-meter cable and mounting bracket included


    Wireless Features

    • 900 MHz wireless mesh self-healing technology
    • 450 to 600 meter (1,500 to 2,000 feet) wireless range and up to five hops
    • Up to 50 wireless sensors or 336 data channels per HOBO RX station
    • Simple button-push to join the HOBOnet wireless network
    • Onboard memory to ensure no data loss
    • Powered by rechargeable AA batteries and built-in solar panel

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