M
Micron
One micron is one-millionth of a metre.
N
Needle valves
Valves that can shut off or regulate the flow of a liquid using a thin pin with a
sharp tip.
P
Pressure gauge (manometer)
Measurement instrument used to gauge pressure.
R
Relative humidity (RH)
The relative humidity (RH) indicates how much water vapour is in the air
compared to the maximum amount of water vapour. This is displayed as a
percentage.
S
Smart Switch
An I/O module that peripherals (inputs and outputs) can be connected to.
V
Venturi
A venturi is a narrow point in a channel through which a liquid or gas flows.
Because the substance changes speed as it passes through this narrow point,
a pressure reduction occurs combined with a suction effect: the venturi effect.
Viscosity
How quickly a liquid or gas will flow. A viscous substance is one that flows
slowly.
FertiMiX
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