Voltage Converter 500 Watt, Diamond Series Type 3, Dimensions: 4.75x 6 x 4in, Extra Adapter Included to Use with 220 Volt Outlets, Step-up 110/120 to 220/240 volts, Step-down 220v/240v to 110v/120v.
VWR* Conductivity Meter Atc Hydroponics The P772 is a wide-range, pocket-sized conductivity meter perfect for use in field environments. With 10 uS/cm resolution and +/-2% FS accuracy, ATC adjusts for changes in conductivity due to temperature.