Onset Computer Corp.

• 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)

• Recording Temperature in an Indoor Environment Using Type J, K, T, E, R, S, B or N Thermocouple
• 4 Inputs Available with Internal Ambient Temperature Sensor for Cold Junction Compensation (CJC)
• User-Replaceable AAA Alkaline or Lithium Batteries with 1 Year Life (1 Minute Sampling Rate)
• Stores up to 1.9 Million Measured Temperature Readings with Date/Time Stamp
• User-Selectable Sampling Rate of 1 Second to 18 Hours

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

• Integrated Sensors for Temperature and Humidity Measurements in an Indoor Environment
• -20°C to 70°C and 1% to 95% RH Measurement Ranges with a ±0.21°C and 2.5% RH Accuracy
• LCD Display Shows Current Readings, Alarm, Battery and Operating Status
• Stores up to 84,650 Measured Temperature Readings with Date/Time Stamp
• User-Replaceable CR-2032 Lithium Coin Cell Battery with 1 Year Life (1 Minute Sampling Rate)

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

• Recording Temperature in an Indoor Environment Using Type J, K, T, E, R, S, B or N Thermocouple
• LCD Display Shows Current Readings, Alarm, Battery and Operating Status
• Stores up to 208,076 Measured Temperature Readings with Date/Time Stamp
• User-Replaceable CR-2032 Lithium Coin Cell Battery with 1 Year Life (1 Minute Sampling Rate)
• User-Selectable Sampling Rate of 1 Second to 18 Hours

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

• Integrated Sensor for Temperature Measurements in an Indoor Environment
• -20°C to 70°C Measurement Range with a ±0.21°C Accuracy (0°C to 50°C Range)
• LCD Display Shows Current Readings, Alarm, Battery and Operating Status
• Stores up to 84,650 Measured Temperature Readings with Date/Time Stamp
• User-Replaceable CR-2032 Lithium Coin Cell Battery with 1 Year Life (1 Minute Sampling Rate)

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

• Accepts (1) State, Pulse, Event or Runtime Input Sensor
• Stores 86,650 Measured Reading
• State, Event and Runtime Data Sampling up to 1 Hz
• Accepts a Contact Closure Input or Optional AC Current Switch (CSV-A8)
• Includes Input Cable, Command™ Strip, Double-Sided Tape, Hook & Loop Strap and Magnet. Software Available as A Download

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