Probes last 2 to 4 times as long as comparable models
Comes with instruction manual, 24 2.0 mL sample tubes, 12 0.2 mL sample tubes, 100 & 500 mOsm/kg calibration standards, bath liquid, spare stirring wires, and a test tube rack. Power: 115v 50/60 Hz. OSMETTE A is shipped assembled and ready to use.