Onset Computer Corp.

• (4) External Sensor Ports for Analog Measurements
• Wireless Transmission of Recorded Readings to Android, iPhone, iPad Devices Using Bluetooth Smart LE Communications
• (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

• 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.

• External Sensor for Temperature Measurements in an Outdoor Environment
• Wireless Transmission of Recorded Readings to Phone or Tablet Using Bluetooth Smart LE Communications
• -40°C to 100°C Measurement Range with a ±0.20°C (0°C to 70°C) Accuracy
• User-Replaceable Lithium Battery with 2 Year Typical Life (1 Minute Sampling Rate)
• Stores up to 84,650 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available

Includes External Temp Sensor, Screws and Zip Ties for Mounting. HOBOconnect App Available on the Apple Store (iOS) and Google Play (Android)

• (2) External Sensor for Temperature Measurements in an Outdoor Environment
• Wireless Transmission of Recorded Readings to Phone or Tablet Using Bluetooth Smart LE Communications
• -40°C to 100°C Measurement Ranges with a ±0.2°C (0°C to 70°C) Accuracy
• User-Replaceable Lithium Battery with 2 Year Typical Life (1 Minute Sampling Rate)
• Stores up to 84,650 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available

Includes (2) Temperature Sensors, Screws and Zip Ties for Mounting. HOBOconnect App Available on the Apple Store (iOS) and Google Play (Android)

• External Sensor for Temperature and Humidity Measurements in an Outdoor Environment
• Wireless Transmission of Recorded Readings to Phone or Tablet Using Bluetooth Smart LE Communications
• 0 to 100% RH and -40°C to 70°C Measurement Ranges with a 2.5% RH and ±0.2°C Accuracy
• User-Replaceable Lithium Battery with 2 Year Typical Life (1 Minute Sampling Rate)
• Stores up to 84,650 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available

Includes Temp/RH Sensor, Screws and Zip Ties for Mounting. HOBOconnect App Available on the Apple Store (iOS) and Google Play (Android)

• External Sensor for Recording Temperature Measurements in the Range of -95C to 50C
• Wireless Transmission of Recorded Readings to iOS and Android Devices Using Bluetooth Smart LE Communications
• Powered by a Non-Replaceable CR2450 Lithium Battery with 1 Year Typical Life (1 Minute Sampling Rate)
• Stores up to 16,000 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available
• Includes 3-Point NIST Certificate of Calibration (Valid for up to 1 Year from Date of Purchase*)

Includes External Sensor, Calibration Certificate and InTemp and InTempConnect Apps Available on the Apple and Android Stores

*The included Factory Calibration Certificate may be up to a few months old at time of purchase. 

• External Sensor for Recording Temperature Measurements in the Range of -200°C to 50°C
• Wireless Transmission of Recorded Readings to iOS and Android Devices Using Bluetooth Smart LE Communications
• Powered by a Non-Replaceable CR2450 Lithium Battery with 1 Year Typical Life (1 Minute Sampling Rate)
• Stores up to 16,000 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available

Includes External Sensor and InTemp and InTempConnect Apps Available on the Apple and Android Stores