DDS-The 17-type laboratory conductivity machine is a digital guidance measurement instrument. , It's shown in 3 semi-decimal LED numbers. , This instrument measures the conductivity of general water solutions. , It also meets the need to measure high-purity hydropower conductivity. , The instrumentable electron constant is zero. , Zero, zero. , 1, 1 and 10 four conductor electrodes

Normal conditions of use:

I don't know. 1(ii) ambient temperature:5~40I don't know what to say. ℃;

I don't know. 2) Relative humidity: not greater than85%;

I don't know. 3Power supply:ACI don't know. 220±22I don't know what to say. V, (-)50±1I don't know what to say. Hz;

I don't know. 4(a) No significant vibrations;

I don't know. 5(b) No external magnetic field interference except for the Earth ' s magnetic fields.