Designed for thermocouple based temperature monitoring, this data logger has an internal temperature sensor and one external input for J, K, T, E, R, S, B, and N type thermocouples. It features a standard mini-plug for easy thermocouple probe connection. Thermocouple probe sold separately. 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 Channels: 1 Internal & 1 Remote Memory: 16,383/channel Sample Rate: 2 seconds up to 12 hours LED Indicator: Red Required Interface Package: IFC110 or IFC200 Baud Rate: 2,400 Typical Battery Life: 1 year Operating Environment: -40~+80°C, 0~95%RH non-condensing Material: ABS plastic Dimensions: 1.4" x 2.2" x 0.6", (36mm x 56mm x 16mm) CE Approval: Yes Range: Remote: Thermocouple Dependent Internal: -40 to +80°C Weight: 0.9oz.