Onset Computer Corp.

• 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

• (2) External Temperature Sensors
• -40°C to 100°C Temperature Measurement Range with ±0.18°C Accuracy
• 3 Year User-Replaceable 1/2 AA 3.6 Volt Lithium Battery
• Stores up to 42,000 Recorded Temperature Readings
• Weatherproof Housing for Use in Outdoor or Condensing Environments

Requires Communication Device BASE-U-4 Optic USB Base Station or U-DTW-1 Waterproof Shuttle (U-DTW-1 Requires HOBOware Pro BHW-PRO-DLD)

• 2-Wire Interface Senor Suitable for Measuring Mechanical and Electrical Contact Closures
• Up to 1HZ (1 pulse per Second) Measurement Rate for Events
• -20°C to 70°C Temperature 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)

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

• -20°C to 70°C Temperature Measurement Range with ±0.2°C Accuracy
• 5 Year Non-Replaceable Lithium Battery
• Waterproof Housing for Use in Outdoor or Condensing Environments Up to 300 Meters (1000 ft)
• Drop-Proof to 1.5 Meters with Optional Protective Boot
• Stores up to 42,0000 Recorded Temperature Readings

Requires Communication Device BASE-U-4 Optic USB Base Station or U-DTW-1 Waterproof Shuttle (U-DTW-1 Requires HOBOware Pro BHW-PRO-DLD)

• 3-Channels Measuring X, Y and Z Axes
• ±3G Measurement Range and ±2.5% FS Accuracy
• 1 Year User-Replaceable Coin Cell Lithium Battery
• Waterproof Housing for Use in Outdoor or Condensing Environments Up to 30 Meters (100 ft)
• Stores up to 64,000 Measurements (21,800 per Channel)

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

• -40°C to 125°C Temperature Measurement Range and ±0.22°C Accuracy
• Stores up to 43,000 Measured Samples/Readings
• 3 Year Non-Replaceable Battery Life
• Rugged Food-Grade 316L Stainless Steel Housing
• 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.

• (1) Internal Temperature and (1) External Temperature Sensor
• -40°C to 100°C (Internal) and -40°C to 100°C (External) Temperature Measurement Ranges with ±0.18°C Accuracy
• ±0.20°C (Internal) and ±0.18°C (External) Temp Accuracy
• 3 Year User-Replaceable 1/2 AA 3.6 Volt Lithium Battery
• Stores up to 42,000 Recorded Temperature Readings
• Weatherproof Housing for Use in Outdoor or Condensing Environments

Requires Communication Device BASE-U-4 Optic USB Base Station or U-DTW-1 Waterproof Shuttle (U-DTW-1 Requires HOBOware Pro BHW-PRO-DLD)