Ballast-Check™ 2 Handheld PAM Fluorometer Quick Indicative Compliance Checks The Ballast-Check™ is a small, lightweight, highly durable handheld fluorometer ideal for quick indicative compliance checks of ballast water. Factory set, the Ballast-Check 2 is ready for use right out of the box, no calibration necessary. Precision and accuracy of the Ballast-Check 2 are optimized for the ballast water D2 regulations. Extremely simple one-button measurements display estimates of both algal abundance and algal activity, providing ship crew or port state control with an indication of risk for exceedance of the regulation. The Ballast-Check 2 is ideal for quick on-the-spot, when you want it, assessment of the effectiveness of a Ballast Water Treatment System. Key Features: Fast - Results in < 1 minute - Algal Abundance - Algal Activity Portable - Handheld, Battery Powered - Dustproof, Waterproof - Internal Data Logging · No Maintenance - Factory Calibrated - Calibration Check Standard Included