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HOBOnet Temp/RH Sensor

Manufacturer:
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
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$683.00 ex GST
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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 HOBOlink, Onset’s innovative cloud-based software platform.

 

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.

Technical Information

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

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.


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 HOBOlink, Onset’s innovative cloud-based software platform.

 

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.