This rugged, submersible data logger hosts a 2" rigid external probe for fast response time to ensure accurate temperature readings up to 150°C. Its 316 stainless steel enclosure and low profile makes it perfect for use in many environments. Temperature Sensor: 100 ohms Platinum RTD Temperature Resolution: 0.05°C Temperature Range: -40 to +150°C Temperature Calibrated Accuracy: ±0.5°C Baud Rate: 2,400 Memory: 32,767 Typical Battery Life: 1 year Sample Rate: 1 second up to 12 hours Submersible: Yes Operating Environment: -40~+150°C, 0~100%RH Dimensions: Body: 1.1" x 1.75" dia. (28mm x 45mm) Probe: 2.0" x 3/16" dia. (50mm x 5mm) CE Approval: Yes Weight: 8oz.