... scales QS series- load cell Technical ParameterPated capacities(Emax)5,10,15,20,25,30,40,50tSensitivity 2.0±0.002mV ... .01%F.STCO ±0.01%F.S/10°CTC SPAN±0.02%F.S/10°CInput impedance750±10ΩOutput impedance703±2Ω,703±5Ω(L≥15m ... )%F.SExcitation,recommend10~12V DCExcitation,maximum15V DCProtection classIP67(5t),IP68(10~50t)Construction Alloy Steel Stainless SteelMaximum Excitation Voltage15V DC