* Conductivity Meter, DO Meter * Multi-point Calibration * Using the US Electrode * Store up ... to 3.9% per °CCell Constant: 0.1, 1.0, 10 (Adjustable)TDS Range: 0 to 100ppt, Max.200pptTDS Accuracy: ±1 ... )×188(W)×60(H)mmWeight: 1.7kgMeter Included: Conductivity Cell, DO Probe (Made in US), Temperature Probe, Power Adapters SELON903 Conductivity ...