... Viscometer 2.600ml beakers or optional small sample adapter 3.100V-240V DV-E Digital Viscometer Model: ... way Interface: RS232 or 485; Linear Correction For The Whole Measurement; AC Adaptor 100V- 240V, Excellent In Interference Immunity; ... Spindles: LDV(1#,2#,3#,4#)(0# is for optional), RDV,HADV,HBDV(2#,3#,4#,5#,6 ... #,7#)(0#,1# is for optional); Accuracy:±1.0% of range; Repeatability:±0 ...