... 1 bit4, Control titration sensitivity: ±2mVConstant modules: (optional ) 1650 USD1, Polarization current range: (0~199.9)uA /(0~19.99)uA ... (0~1.999)uA /(0~0.199)uA 2, Polarization voltage: 3,50,100(mA)3, Electronic unit error Control ... titration sensitivity: ±5% FS Polarization current detection errors: ±2.5% FSConstant ModuleConductance modules: ( optional ) 1750 ...