Onset Computer Corp.

• Measures Conductivity, Salinity, Temperature, Depth or Dissolved Oxygen
• Fully Submersible and Retrieve for Data Offload Using HOBOconnect App
• Wireless Bluetooth Communications for Setup, Configuration and Data Offload
• Guided Calibration for Accurate Data and Water Detect Feature 
• User-Replaceable Lithium Batteries

Requires W-CT Conductivity and Temperature, W-CTD Conductivity, Temperature and Depth or W-DO Dissolved Oxygen Sensor. 

• Measures Conductivity, Salinity, Temperature and Barometric Pressure (Depth)
• Data Logger Remains Above the Water and Cables and Sensors Extend into Fresh or Salt Water
• Wireless Bluetooth Communications for Setup, Configuration and Data Offload Using HOBOconnect App
• Guided Calibration for Accurate Data and Water Detect Feature 
• User-Replaceable Lithium Batteries
• Interchangeable Sensors for Dissolved Oxygen (W-DO) and Conductivity (W-CT)

Requires W-CT Conductivity and Temperature, W-CTD Conductivity, Temperature and Depth or W-DO Dissolved Oxygen Sensor.

• Integrated Sensors for Temperature, Humidity and Light Measurements and External Port for Analog Sensor
• Wireless Transmission of Recorded Readings to Android, iPhone, iPad Devices Using Bluetooth Smart LE Communications
• -20°C to 70°C (Temp), 0% to 100% RH (Humidity) and 0 to 167,731 lux (Light) Measurement Ranges. (Analog is Dependant on External Sensor)
• (2) User-Replaceable AAA Alkaline Batteries with 1 Year Life (1 Minute Sampling Rate)
• Stores up to 1.9 Million Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available

Includes Command Strip, Double-Sided Tape, Hook & Loop Strap and (2) AAA Alkaline Batteries. HOBOconnect App Available on the Apple Store and the Google Play Store

• Wireless Temperature and Humidity Sensor with -40C to 75C and 0 to 100% RH Measurement Ranges
• ±0.2°C and ±2.5% RH Measurement Accuracy
• 450 to 600 Meter Wireless Range and up to 5 Extended Hops with a Wireless Repeater
• Simple Push Button Setup for Joining a HOBOnet Wireless Network
• Powered by a Rechargeable NiMH Batteries and Built-In Solar Panel
• Operates in an Outdoor Environment with a Solar Radiation Shield
• Available in 4 Wireless Frequencies: 900 MHz (Americas), 868 MHz (Europe), 922 MHz (Australia/New Zealand) and 921 MHz (Taiwan)

A Complete System Requires an RX3000 Remote Monitoring Station or RX2100 MicroRX Monitoring System, HOBOnet Wireless Manager and HOBOnet Wireless Sensor

• Wireless 10HS Soil Moisture Sensor with 0 to 0.570 m³/m³ Measurement Range
• ±3.3% Accuracy in Typical Soil Conditions and ±2% Accuracy with Soil-Specific Calibration
• 450 to 600 Meter Wireless Range and up to 5 Extended Hops with a Wireless Repeater
• Simple Push Button Setup for Joining a HOBOnet Wireless Network
• Powered by a Rechargeable AA Batteries and Built-In Solar Panel or Lithium Batteries
• Operates in an Outdoor Environment with a Solar Radiation Shield
• Available in 4 Wireless Frequencies: 900 MHz (Americas), 868 MHz (Europe), 922 MHz (Australia/New Zealand) and 921 MHz (Taiwan)

A Complete System Requires an RX3000 Remote Monitoring Station or RX2100 MicroRX Monitoring System, HOBOnet Wireless Manager and HOBOnet Wireless Sensor

• Wireless Rainfall Sensor with 0 to 10.2cm Measurement Range
• ±4.0% Accuracy in 0 to 2 inch Range and ±5% Accuracy in 2 to 4 inch Range
• 450 to 600 Meter Wireless Range and up to 5 Extended Hops with a Wireless Repeater
• Simple Push Button Setup for Joining a HOBOnet Wireless Network
• Powered by a Rechargeable AA Batteries and Built-In Solar Panel or Lithium Batteries
• Operates in an Outdoor Environment with a Solar Radiation Shield
• Available in 4 Wireless Frequencies: 900 MHz (Americas), 868 MHz (Europe), 922 MHz (Australia/New Zealand) and 921 MHz (Taiwan)

A Complete System Requires an RX3000 Remote Monitoring Station or RX2100 MicroRX Monitoring System, HOBOnet Wireless Manager and HOBOnet Wireless Sensor

• Wireless Solar Radiation Sensor with 0 to 1280 W/² Measurement Range
• ±5% or ±10 W/m² Measurement Accuracy
• 450 to 600 Meter Wireless Range and up to 5 Extended Hops with a Wireless Repeater
• Simple Push Button Setup for Joining a HOBOnet Wireless Network
• Powered by a Rechargeable AA Batteries and Built-In Solar Panel or Lithium Batteries
• Operates in an Outdoor Environment with a Solar Radiation Shield
• Available in 4 Wireless Frequencies: 900 MHz (Americas), 868 MHz (Europe), 922 MHz (Australia/New Zealand) and 921 MHz (Taiwan)

A Complete System Requires an RX3000 Remote Monitoring Station or RX2100 MicroRX Monitoring System, HOBOnet Wireless Manager and HOBOnet Wireless Sensor

• Non-contact Sensor Minimizes Drift-Related Measurement Errors
• Features Open Access to Sensor for Cleaning and Software-Based Drift Compensation
• Software Enables Start/End-Point Calibration to Compensate for Fouling and Easy Conversion to Specific Conductance and Salinity
• 0 to 15,000 µS/cm (Conductivity Extended Range) and 0°C to 40°C (Temperature) Measurement Ranges
• 3 Year Battery Life with Factory Replaceable Battery
• Stores at Least 14,400 Sets of Measured Readings
• Requires HOBOware Pro Software (Version 3.2+) and BASE-U-4 Optical Base Station

Designed for Fresh Water Sources. See the Onset U24-002-C for Saltwater Sources