An Intrinsically Safe (IS), data logger. Ideal for use in hazardous or explosive environments. Certified Intrinsically Safe for Class I, Division 1, groups A, B, C, D and non-incedive for Class I, Division 2, groups A, B, C, D hazardous enviroments. Aluminum enclosure. Sensor: Internal semiconductor Temperature Range: -40 to +80°C Temperature Resolution: 0.1°C Calibrated Accuracy: ±0.5°C Memory: 32,767 Sampling Rate: 2 seconds up to 12 hours 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: Available in anodized aluminum or 303 stainless steel Dimensions: 4.3" x 1.0" dia.(110mm x 26mm dia.) Approvals: CE, IS rated Weight: 4oz.