Onset Computer Corp.

• Long-Term pH and Temperature Measurements in Estuaries, Lakes, Streams, Rivers and Oceans (Salt and Freshwater Environments)
• Wireless Transmission of Recorded Readings to Phone or Tablet Using Bluetooth Smart LE Communications
• 2.0 to 12.0 pH and 2C to 50C Measurement Ranges and +/-0.10pH and +/-0.2C Accuracy
• User-Replaceable Lithium Battery with 1 Year Typical Life (1 Minute Sampling Rate and Bluetooth Always On)
• Stores up to 43,300 Measured Readings with Date/Time Stamp if Bluetooth Communications Not Available

Includes pH Electrode and Lithium Battery. HOBOconnect App Available on the Apple Store (iOS) and Google Play (Android)

• Rugged Double-Weatherproof, Tamper-Proof Enclosure
• Attach up to 15 Smart Sensors
• Optional Analog Inputs with Sensor Excitation
• Includes Relay for User-Defined Alarm Conditions
• Optional Data Shuttle Available for Collecting Measured Readings in Remote Area

Weather Station Kit Includes Base Unit w/ 10 Sensor Inputs and Rechargeable Battery, 5 Watt Solar Panel, Temperature/Humidity Sensor w/ 2 Meter Cable, Wind Speed and Direction w/ 3 Meter Cable, Full Cross Arm and Solar Radiation Shield

• Non-contact Sensor Minimizes Drift-Related Measurement Errors
• Also 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
• 5,000 to 55,000 µS/cm (Conductivity Extended Range) and 5°C to 35°C (Temp) Measurement Ranges
• 3 Year Battery Life with Factory Replaceable Battery
• Stores at Least 14,400 Sets of Measured Readings
• Requires HOBOware Pro Software Download (Version 3.2+)

Designed for Saltwater Sources. See the U24-001 for Fresh Water Sources

• Measure and Log Water Level and Temperature Readings at a Depth up to 13, 30 or 100ft
• A non-Vent Tube Design Allows for Easy Deployment
• (8) User-Defined Logging Intervals Over an 1 Second to 18 Hour Sampling Rate
• Stainless Steel Housing with Lightning Protection Shields Electronics
• Factory-Replaceable 5-Year 2/3 AA Lithium Battery

Includes (1) U20 Water Level Data Loggers, Shuttle Data Transporter (U-DTW-1) and HOBOware Pro Software (BHW-PRO-DLD)

• Measure and Log Water Level, Barometric Pressure and Temperature Readings at a Depth up to 13, 30 or 100ft
• A non-Vent Tube Design Allows for Easy Deployment
• (8) User-Defined Logging Intervals Over an 1 Second to 18 Hour Sampling Rate
• Stainless Steel Housing with Lightning Protection Shields Electronics
• Factory-Replaceable 5-Year 2/3 AA Lithium Battery

Includes (2) U20 Water Level Data Loggers, Shuttle Data Transporter (U-DTW-1), Carrying Case (U20-CASE) and HOBOware Pro Software (BHW-PRO-DLD)

• Measure and Record AC/DC Current, Voltage, 4-20 mA, Power, Kilowatts, Pressure, Pulse and Analog Inputs, Wind, Rain, Light, Carbon Dioxide, Temperature and Humidity
• 15 Channel Inputs Supports Up to (3) FlexSmart Modules and (6) Smart Sensors
• Digital Connection of Smart Sensors to logger for Accurate, Reliable Data Collection and Storage
• Multiple Internal and External Power Sources Available for Long-Term Usage
• Includes User Manual, (8) 1.5 Volt Batteries, Miniature Slotted Screwdriver, Blank Labels and Rubber Feet

Requires FlexSmart Module, Smart Sensors and Downloadable HOBOware Software

• -40°C to 125°C Temperature Measurement Range and ±0.22°C Accuracy
• Stores up to 43,000 Measured Samples/Readings
• 3 Year Factory Replaceable Battery Life
• Rugged Food-Grade 316L Stainless Steel Housing with 5" Stainless Steel Probe
• 2200PSI (1500 Meters/4900ft) Max. Pressure Rating

Requires Type A to Mini B Standard USB Cable (CABLE-USB), HOBOware (Free Download Version) or HOBOware Pro (Paid Download Version) Software.