EC Probe (Industrial) 4-20mA The Relay Plug is a

The Relay Plug is a wifi-controlled electrical outlet

3/8 inch with connectors: for clear pump heads

Flexible Placement: Position points at any heights to drive fills

a thermoplastic elastomer engineered for peristaltic pumps

and calibration solutions

EC Probe (Industrial) 4-20mA The Relay Plug is aThe Nuravine Industrial EC Temp Sensor is a heavy duty conductivity and temperature probe for hydroponics, measuring nutrient strength (EC) and solution temperature. It screws directly into standard 3 4 inch threaded ports for inline or tank mounting, and is compatible with both the Aurora and Aurora 2. Dual function probe precisely measures electrical conductivity (EC) and temperature Screws into 3 4 inch threads for secure inline or tank wall