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  • OVERVIEW

    Monitor Air Temperature and Humidity with Industry-Leading Precision

    The HOBOnet Wireless Temperature and Relative Humidity Sensor provides a cost-effective and scalable solution for web-enabled monitoring of air temperature and humidity. HOBOnet Wireless Sensors communicate data directly to the RX3000 weather station or pass data through other wireless sensors back to the central station. They are preconfigured and ready to deploy, and data is accessed through LI-COR’s Cloud IoT platform (formerly HOBOlink).

    Highlighted Features

    Sensor Features

    • High accuracy: ± 0.2°C (± 0.36°F) and ± 2.5% RH
    • Robust RH sensor withstands extended use in high-humidity environments


    Wireless Features

    • 922 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 per RX3000
    • 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

    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.

  • SPECIFICATIONS

     

    Sensor

    Temperature

    RH

    Measurement -40°C to 75°C (-40°F to 167°F) 0–100% RH at -40° to 75°C (-40° to 167°F); exposure to conditions below -20°C (-4°F) or above 95% RH may temporarily increase the
    maximum RH sensor error by an additional 1%
    Accuracy ±0.25°C from -40° to 0°C (±0.45°F
    from -40° to 32°F)
    ±0.20°C from 0° to 70°C (±0.36°F
    from 32° to 158°F)
    ±0.25°C from 70° to 100°C (±0.45°F
    from 158° to 212°F)
    ±2.5% from 10% to 90% RH typical to a maximum of ±3.5% including hysteresis at 25°C (77°F); below 10% and above 90% ±5% typical
    Resolution 0.02°C (0.036°F) 0.01% RH
    Drift <0.01°C (0.018°F) per year <1% per year typical
    Response Time (typical, to 90% of change) Without solar radiation shield: 3 minutes, 45 seconds in air moving 1 m/sec
    With RS3-B solar radiation shield: 6 minutes, 30 seconds in air moving 1 m/sec
    Without solar radiation shield: 15 seconds in air moving 1 m/sec
    With RS3-B solar radiation shield: 30 seconds in air moving 1 m/sec

    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 RXW-THC-900: 904–924 MHz
    RXW-THC-868: 866.5 MHz
    RXW-THC-922: 916–924 MHz
    Modulation Employed OQPSK (Offset Quadrature Phase Shift Keying)
    Data Rate Up to 250 kbps, non-adjustable
    Duty Cycle <1%
    Maximum Number of Motes 50 motes per one RX Wireless Sensor Network
    Battery Type / Power Source Two AA 1.2V 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: 45.97 x 11.43 x 10.16 mm (1.81 x 0.45 x 0.40 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: 110 g (3.88 oz);
    Mote: 223 g (7.87 oz)
    Materials Sensor: Polyamide
    Mote: PCPBT, silicone rubber seal
    Environmental Rating Sensor: Weatherproof: 0 to 100% RH intermittent condensing environments. For best results, the sensor should be mounted inside a protective enclosure, such as a solar radiation shield.
    Mote: IP67, NEMA 6
    Compliance Marks See last page of User Manual
  • SENSORS

    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.

/ Shop / Products / HOBO Data Loggers / HOBOnet Temp/RH Sensor

HOBOnet Temp/RH Sensor

$766.70 NZD ex GST

New Zealand dollar ($) - NZD
  • Australian dollar ($) - AUD
  • New Zealand dollar ($) - NZD

The HOBOnet Wireless Temperature and Relative Humidity Sensor provides a cost-effective and scalable solution for web-enabled monitoring of air temperature and humidity. HOBOnet Wireless Sensors communicate data directly to the RX3000 weather station or pass data through other wireless sensors back to the central station.

Part Number: RXW-THC-922 Category: Products
Unit Price: $766.70

$766.70 NZD ex GST

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Product Resources

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HOBOnet Temp RH Sensor Datasheet

HOBOnet Temp RH Sensor User Manual

HOBOnet Temp RH Sensor Quick Start Guide

HOBOnet Field Monitoring System Brochure

Choosing a Wireless Field Monitoring System White Paper

Onset HOBOnet Field Monitoring System Video

Add the Onset HOBOnet Manager to the RX3000…

Add Sensors to the HOBOnet Wireless Sensor Network…

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