Downloads
Model 618 Water Quality Analyser
Manual: 618 WQA Manual V1_1.pdf | Yeo-Kal Pre Field Calibration.pdf
Communication Software: YK Terminal V1.32.exe (Win 7 - Win 11)
USB adapter driver: PL2303_Prolific_DriverInstaller_v110.exe (Win 7 - Win 10)
Model 620 Data Logger
Manual: 620 WQDL Manual V1_3.pdf | Yeo-Kal Pre Field Calibration.pdf
Communication Software: YK Smart Comms 620 Logger V3.08.exe (Win 7 - Win 11)
USB adapter driver: PL2303_Prolific_DriverInstaller_v110.exe (Win 7 - Win 10)
Model 621 Data Logger
Manual: 621 WQ Probe Manual V1_0.pdf | Yeo-Kal Pre Field Calibration.pdf
Communication Software: YK Smart Comms Processed V3.05.exe (Win 7 - Win 11)
USB adapter driver: PL2303_Prolific_DriverInstaller_v110.exe (Win 7 - Win 10)
Calibration Solutions
MSDS safety sheet pack for calibration solutions: Yeo-Kal MSDS Data Sheets V4.zip
Technical note: Calibration Standards and Preparation V2.pdf
Downloads for retired products
Model 615 Water Quality Analyser
Manual: 615 WQA Manual V3_2.pdf | Yeo-Kal Pre Field Calibration.pdf
Communication Software: YK Quick Terminal V2.2.4.exe (Win 7 - Win 11)
USB adapter driver: PL2303_Prolific_DriverInstaller_v110.exe (Win 7 - Win 10)
Model 611 Water Quality Analyser
Manual: 611 WQA MANUAL V2d.pdf | Yeo-Kal Pre Field Calibration.pdf
Communication Software: YK Quick Terminal V2.2.4.exe (Win 7 - Win 11)
USB adapter driver: PL2303_Prolific_DriverInstaller_v110.exe (Win 7 - Win 10)