Scope of supply: pH/ion and oxygen meter, electrode stand, refillable pH/ATC electrode with epoxy shaft (8157BNUMD), AUTO-STIR polarographic BOD DO/ATC electrode with calibration sleeve (086030MD), pH buffers 4, 7, 10 and rinse solution (pouches), storage and cleaning solution for pH electrode, pH electrode storage sleeve and base, polarographic DO electrode maintenance kit, USB flash drive, PC cable, universal power supply with plug adapter EU, UK, US, AUS and China