vLog SP For trending and analysis of temperature & humidity Vaisala vLog SP is a powerful, easy-to-use software for downloading, analyzing and reporting information from Vaisala DL-series data loggers. This software is used in standalone data logging applications with Vaisala's non-validatable DL-series data loggers. vLog SP includes graphing and reporting functions that are ideal for use in calibration labs. For GxP applications, please see vLog VL, which includes special security and reporting features that protect file integrity to satisfy regulatory scrutiny and calibration tracking information. Vaisala vLog SP is a powerful, easy-to-use software for downloading, analyzing and reporting information from Vaisala SP data loggers. This software is used in standalone data logging applications with Vaisala's non-validatable DL-series data loggers. vLog SP includes graphing and reporting functions that are ideal for use in calibration labs. For GxP applications, please see vLog VL, which includes special security and reporting features that protect file integrity to satisfy regulatory scrutiny and calibration tracking information. + Show more Downloads Technical Note: VLog 4.5.0.8 Errata May 2015 (47.41 KB) Manual: vLog 4.5 Quick Guide English (1.07 MB) Technical Note: vLog 4.5 IQOQ Errata Oct 2017 (101.99 KB) Customer case: Competitive Advantages in Validation Mapping Success Story (598.56 KB) Manual: vLog 4.5 User's Guide EN (3.02 MB) All downloads Need support? Sign up for news Contact us