EC-250   All features at a glance • Basic Lab conductivity meter for cond.,   TDS and temperature • automatic temperature compensation • large display with dual readings • up to 5-point calibration with   automatic buffer recognition • selectable cell constant • Auto ranging across 5 conductivity   and TDS ranges • Data memory up to 100 datas • electrode arm to be used on either side • slide-out quick reference guide • 3 years warranty EC-270   All features at a glance • Standard Lab conductivity meter for   conductivity, TDS, Salinity, resistance   and temperature • 4-cell electrode automatic   temperature compensation • oversize, informative graphic display • GLP password protection for setup   and calibration • up to 5-point calibration with automatic   buffer recognition • GLP- compliance memory holds up   to 500 datas • alarm when calibration is due • bi-directional RS 232-interface • electrode arm to be used on either side • slide-out quick reference guide • 3 years warranty Various sets are available: EC-250-SE bench top conductivity meter with electrode holder and 2-cell electrode EC-270-SE bench top conductivity meter with large, backlit display, data memory, GLP-function, RS 232, electrode arm and 4- cell electrode Model Measuring range cond. Accuracy Calibration Measuring range temp. Accuracy Measuring range TDS Accuracy Power Input cond. cell EC-250 0,1 µS - 200,0 mS 1 % full scale, +/- 1 digit up to 5-point 0,0 - 100,0 °C 0,1 °C 0,1mg/l – 200,0g 1 % full scale, +/- 1 digit AC-adapter, 9 V DC 8 Pin DIN EC-270 0,05 µS - 500,0 mS 1 % full scale, +/- 1 diget up to 5-point 0,0 - 100,0 °C 0,1 °C 0,05mg/l – 500,0g 1 % full scale, +/- 1 digit AC-adapter, 9 V DC 8 Pin DIN Downloads (PDF) Katalog Elektrochemie Accessories ECE-LF 60 2-cell conductivity electrode with temperature sensor for EC 250, EC 270 and EC 450 ECE-LF 70 4-cell conductivity electrode with temperature sensor for EC 270 and EC 470 ECE-LF 10 0,01 M KCL-calibration solution, 250 ml