C562T pH/µS/mS/O2/°C meter kit: C562 + pH electrode SP10B + conductivity electrode SK10B + dissolved oxygen electrode SZ10T + ATC probe ST10N + 2×50 ml buffers (pH 4 and 7) + 50 ml electrolyte (3M KCl) + 50 ml conductivity standard (0.01M KCl) + carrying case