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準(zhǔn)確度1.5mV,0.01pH,0.5°C,標(biāo)配電極ST210
準(zhǔn)確度0.3mV,0.002pH,0.3°C,標(biāo)配電極ST410,磁力攪拌器AS20
準(zhǔn)確度1mV,0.01pH,0.5°C,標(biāo)配電極ST310
準(zhǔn)確度1mV,0.01pH,0.5°C,標(biāo)配電極ST320
365,420,455,525,560,570,630nm,±0.005Abs,1NTU