341350A-P Extech PH, Conductivity, TDS & ORP Salinity Meter. With Automatic Temperature Compensation for Conductivity & TDS and manual Temperature Compensation for pH (0 to 100°C). Thermistor probe measures 0 to 90.0°C
EC400 ExStik® Conductivity/ TDS/ Salinity Meter . The Extech EC400 ExStik® features six units of measure, internal memory that stores up to 15 labeled readings for easy recall, adjustable conductivity to TDS ratio factor from 0.4 to 1.0, and self-calibration upon power up. The EC400 incorporates the latest microprocessor chip technology and patented sensor technology to enable the simultaneous measurement of conductivity, TDS, salinity, and temperature.
EC150 Conductivity/TDS/Temperature Meter. The EC150 is a Conductivity/TDS/Temperature Meter. Waterproof meter with high-accuracy multi-ranging sensor. Features Auto Power off with disable, Adjustable Conductivity to TDS ratio factor from 0.4 to 1.0, Data Hold and low battery indication. Waterproof design to withstand wet environment, meets IP65 standard. Includes meter, protective sensor cap, and four LR44 button batteries.
DO700 Portable Dissolved Oxygen Meter. The 9-in-1 DO700 Kit measures DO concentration / saturation, pH, mV, Temperature, Conductivity, TDS, Salinity, and Resistivity. It features automatic salinity compensation and manual barometric pressure compensation for DO measurements. In addition, it has automatic one button calibration of 4, 7 and 10 pH with a choice of three-point calibration for better accuracy and it provides automatic temperature compensation. Complete with DO probe, pH/mV/Temp electrode, polymer Conductivity cell, pH and Conductivity calibration solutions, batteries and hard carrying case.