The Level1000 is a rugged, submersible, temperature and water level data recorder. It's stainless steel enclosure makes it perfect for use in harsh, chemical and corrosive environments. The Level1000 is also equipped with an internal temperature sensor for recording temperature, as well as water level data. Data can be displayed in standard or metric units. Temperature Sensor: Internal Semiconductor Temperature Range: -40 to +80°C Temperature Resolution: 0.1°C Calibrated Accuracy: ±0.5°C Pressure Sensor: Semiconductor (strain gauge) Nominal Range: 0~30' Level Resolution: 0.05" Calibrated Accuracy: ±0.3%FSR @25°C Memory: 16,383/channel Sampling Rate: 2 seconds up to 12 hours Required Interface Package: IFC110 Baud Rate: 2,400 Typical Battery Life: 1 year Operating Environment: -40~+80°C, 0~100%RH Submersible: Yes Material: 303 Stainless Steel Dimensions: 5.7" x 1.25" dia.(145mm x 32mm) CE Approval: Yes Weight: 8oz.