Spectrum Technologies 2440L Laqua Meter Replacement Sensor- Potassium (K⁺)

ZuoYeal WM-505 Digital Ion Concentration Sensor (Cu2+ :0.1~6400.0 mg/L)

ZuoYeal WM-504 Digital Ion Concentration Sensor (CN- : 0.2~260.0 mg/L)

ZuoYeal WM-503 Digital Ion Concentration Sensor (F- : 0.02~saturation mg/L)

ZuoYeal WM-502 Digital Ion Concentration Sensor (Cl- : 1.8~35500.0 mg/L)

ZuoYeal WM-500 Digital Ion Concentration Sensor (NH4+ : 0~1000.0 mg/L)

Spectrum Technologies 2345L Laqua Meter Replacement Sensor - Nitrate (NO₃-)

Spectrum Technologies 2540L Laqua Meter Replacement Sensor- Sodium (Na⁺)

Spectrum Technologies 2455L Laqua Meter Replacement Sensor- Calcium (Ca²⁺)

アンモニウム用 WTW AmmoLyt PlusデジタルISEセンサー

REX 972150 Combined Ion Selective Electrode (Residual chlorine; 0.01-20ppmCl2)