SM100
Portable pH Meter with 0.1 pH resolution

SM101
Portable pH Meter with 0.01 pH resolution

SM102
Portable pH / Temp Meter

SM301
Portable Conductivity Meter

SM302
Portable Conductivity Meter

SM401
Portable TDS Meter (range: from 0 to 1990 µS/cm)

SM402
Portable TDS Meter (range: from 0.0 to 10.0 g/l)

SM500
Portable ORP Meter

SM600
Portable Dissolved Oxygen Meter

SM700 & SM700-WP
Portable Lux Meter with waterproof probe (WP version only)

SM801
Portable pH / Conductivity / TDS Combination Meter

SM802
Portable pH / Conductivity / TDS Combination Meter