Onset Computer Corp.

• Internal Sensors for Temperature Measurements in an Indoor, Outdoor and Underwater Environment
• Wireless Transmission of Recorded Readings to Phone or Tablet Using Bluetooth Smart LE Communications (in Air)
• -20°C to 70°C (Air) or -20°C to 70°C (Water) Measurement Ranges with a +/-0.5°C Accuracy
• Waterproof to 30 Meters (100 ft)
• User-Replaceable Lithium Battery with 1 Year Typical Life (1 Minute Sampling Rate)
• Stores up to 96,000 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available
• Includes Mounting Boot (BOOT-MX2201-2202)

HOBOconnect App Available on the Apple Store (iOS) and Google Play (Android)

• Internal Sensors for Temperature and Light Measurements in an Indoor, Outdoor and Underwater Environment
• Wireless Transmission of Recorded Readings to Phone or Tablet Using Bluetooth Smart LE Communications (in Air)
• -20°C to 70°C (Air) or -20°C to 50°C (Water) Measurement Ranges with a +/-0.5°C Accuracy
• 0 to 167,731 lux Measurement Range with a +/-10% Accuracy Typical for Direct Sunlight
• Waterproof to 30 Meters (100 ft)
• User-Replaceable Lithium Battery with 1 Year Typical Life (1 Minute Sampling Rate)
• Stores up to 96,000 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available
• Includes Mounting Boot (BOOT-MX2201-2202)

HOBOconnect App Available on the Apple Store (iOS) and Google Play (Android)

• Internal Sensors for Temperature Measurements in an Indoor, Outdoor and Underwater Environment
• Wireless Transmission of Recorded Readings to Phone or Tablet Using Bluetooth Smart LE Communications in Air
• -20°C to 70°C Measurement Ranges with a +/-0.2°C Accuracy
• Waterproof to 120 Meters (400 ft)
• User-Replaceable Lithium Battery with 3 Year Typical Life (1 Minute Sampling Rate)
• Stores up to 96,000 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available

HOBOconnect App Available on the Apple Store (iOS) and Google Play (Android)

• Internal and External Sensor for Temperature Measurements in an Outdoor and Underwater Environment
• Wireless Transmission of Recorded Readings to Phone or Tablet Using Bluetooth Smart LE Communications (in Air)
• Internal Sensor Measures Temperatures  in -20°C to 70°C Range
• External Sensor Measures Temperatures in -40C to 100C Range
• Waterproof to 100 Meters (30.5 ft)
• Non-Replaceable Lithium Battery with 3 Year Typical Life (1 Minute Sampling Rate)
• Stores up to 96,000 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available

HOBOconnect App Available on the Apple Store (iOS) and Google Play (Android)

• 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

• Measure and Log Water Level (Pressure) and Temperature Readings
• -20°C to 50°C Temperature Measurement Range with ±0.44°C Accuracy
• Factory-Replaceable 2/3 AA 3.6 Volt Lithium Battery with 5 Year Life @ 1 Minute Sampling Rate
• No-Vent-Tube Design for Easy Reliable Deployment and Durable Ceramic Pressure Sensor
• Available in 0 to 13 ft, 0 to 30ft, 0 to 100ft and 0 to 250ft Water Depth Ranges and Stainless Steel or Titanium Housing

Requires HOBOware Pro Software (Version 3.2+) and an Optic USB Base Station (BASE-U-4) or Shuttle Data Transporter (U-DTW-1)

• Recording Changing Water Level (Depth) and Temperature in Wet or Water Environments
• -20°C to 50°C Temperature Measurement Range with ±0.44°C Accuracy
• Factory-Replaceable 2/3 AA Lithium Battery with 5 Year Life (1 Minute Sampling Rate)
• Stores up to 21,700 Measured Readings with Date/Time Stamp
• 0 to 13 ft, 0 to 30 ft and 0 to 100 ft Water Level Ranges Available with ± 0.1% RF Accuracy

Requires HOBOware Pro Software (Version 3.2+) and an Optic USB Base Station (BASE-U-4) or Shuttle Data Transporter (U-DTW-1)

• -20°C to 70°C (Air) 0°C to 50°C (Water) Temperature Measurement Range
• 0 to 320,000 Lux (0 to 30,0000 Lumens/ft2) Light Measurement Range
• 1 Year User-Replaceable Coin Cell Lithium Battery
• Waterproof Housing for Use in Outdoor or Condensing Environments Up to 30 Meters (100 ft)
• High and Low Alarm LED Indicators
• Stores up to 52,000 Recorded Readings

Requires Optic USB Base Station (BASE-U-4) and HOBOware (Free Download Version) or HOBOware Pro (Paid Download Version) Software.