Onset Computer Corp.

• 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.

• (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)