Multiparameter Meter Oakton™ pH/Con 450 Fisher Scientific 15-500-138 Features Includes meter, pH probe, conductivity/temperature cell K=1, grip-clip holder and 2 AA batteries 1.4 lbs. Weight, -2 to 16 pH range, -10° to 110°C temperature range, ±2000 mV, 0 to 200 mS conductivity range, 0 to 200 ppt TDS range, IP-67 rating Intuitive, user-friendly icons - electrode status displays pH slope Grip-clip electrode holder quickly and easily secures electrode to side of beaker or container...