*. Model : ST-4

*. Range : 103 ~ 1013 W  (or, W/□)

*. Mode :  1) Ohm per Square, Surface Resistivity

   2) Ohms, Resistivity of ground

   3) IEC Spec. measuring

*. LCD Digital display

*. Time : 15s, 30s, 60s

*. Measuring Area : 50x50mm

*. Test Voltage : 10V, 100V

*. Accuracy : ± 0.5Ω

*. 114x78x69mm, 700g.  Battery powered