A rugged, stainless steel, thermocouple based recorder for placement in harsh environments. Submersible it is equipped with an internal temperature sensor as well as an external thermocouple probe. Internal Channel Temperature Sensor: Semiconductor Internal Channel Temperature Resolution: 0.1°C Internal Channel Calibrated Accuracy: ±0.5°C Remote Channel Temperature Sensor: Thermocouple Types J, K, T, E, R, S, B ,N Remote Channel Range, Resolution & Accuracy: See Table Cold Jct. Compensation: Automatic Memory: 16,383 Sample Rate: 2 seconds up to 12 hours LED Indicator: None Channels: 1 internal & 1 remote Required Interface Package: IFC110 or IFC200 Baud Rate: 2,400 Typical Battery Life: 1 year Operating Environment: -40~+80°C, 0~100%RH Submersible: Yes Material: 303 stainless steel Dimensions: 7.4" x 1.2" dia (188mm x 31mm) CE Approval: Yes Range: Remote: Thermocouple Dependent Internal: -40 to +80°C Weight: 13oz