Formal written quotations are hereby invited for annual calibration and service of water & wastewater analysis instruments. Specifications: • Calibration DR 3900 Spectrophotometer x 4; • Calibration 2100Q turbidity meter, parts may need replacement x 6; • Calibration DR 900 Colorimeter, Parts may need replacement x 9; • Calibration Pocket Colorimeter PCII x 4; • Calibration HACH HQ40d multi pH/EC x 1; • Calibration HACH HQ440d multi pH/EC x 2; • Calibration HACH Bench Turbidity meter TL2350 x 1; • Calibration Incubators x 4; • Calibration Weight Set Analytical Balance 1mg - 100g x 3; • Calibration HACH COD Reactor x 2; • Jar Stirrer service x 2; • Calibration HQ Series pH /DO/EC x 4; • Calibration DR 300 Pocket Colorimeter x 6; • Calibration HQ Series DO x 2; • Stay cold refrigerator x 1; • IDEXX Quanti-tray sealer x 2; • GlassTech GTV4 AC water still x 2; • Labotec water still x 2 • Sturdy autoclave x 1. Please confirm the closing time as it was not published. (ЮАР - Тендер #66470222)