Starter 300D DO Portable with STDO11 and STTEMP30 electrode,ST300D-G,200 – 400%; 0.00 – 19.99;0 – 50 °C; 20.0 – 45.0 mg/L,0.1 °C; 0.1 mg/L; 0.1 ppm; 0.1%;1 mg/L; 1 ppm; 1%.

$ 1,355.75