pH Range -2.00 to 16.00 pH; -2.000 to 16.000 pH
mV Range ± 699.9 mV; ± 2000 mV
EC Range 0.00 to 29.99 µ S/ cm; 30.0 to 299.9 µ S/ cm; 300 to 2999 µ S/ cm; 3.00 to 29.99 mS/ cm; 30.0 to 200.0 mS/ cm; up to 500.0 mS/ cm uncompensed EC.
TDS Range 0.0 to 14.99 mg/ l ( ppm) ; 15.0 to 149.9 mg/ l ( ppm) ; 150 to 1499 mg/ l ( ppm) ; 1.50 to 14.99 g/ l ( ppt) ; 15.0 to 100.0 g/ l ( ppt) ; up to 400.0 g/ l actual TDS* ( with 0.80 factor)
NaCl Range 0.0 to 400.0% .
Temp Range -20.0 to 120.0° C / -4.0 to 248.0° F.