Required cables included for METTLER TOLEDO SevenExcellence or SevenCompact Mini-DIN connects to benchtop meter; LTW connects to portable meter Integrated temperature probes Probes with nominal cell constants require calibration before use Probes with certified cell constants are ready to use after verification step - do not calibrate Accessories & Care Store dry Handle with care to avoid changing the cell constant (cell constant is a physical value) Nominal cell constants require calibration with one standard (see list of standards below) Certified cell constants require verification check with one standard (see list of standards below) Standards 10 μS/cm, one-time use sachets (30111141) 84 μS/cm, one-time use sachets (30111140) 1413 μS/cm, one-time use sachets (51302049) 12.88 mS/cm, one-time use sachets (51302050)