Hanna Instruments HI-1285 PP Conductivity, pH, Total Dissolved Solids pH Analysis Electrode, 0 to 60 °C / 4697490

probe; pH7 buffer (20ml); EC and TDS calibration solutions (20ml each); 9V battery; instruction manual. Probe is supplied and is stainless steel, not plastic as shown. 2. Multi-Parameter, Single Probe Water Testers. These portable meters are for field measurement of pH, conductivity and TDS. With a choice of 3 measurements. Built within a rugged housing for extra durability in the field Simple calibration - one point for both pH and conductivity/TDS modes One replaceable probe used for all measurements - no need to switch probes for measurement mode changes Automatic temperature compensation Battery low indicator