EMERSON HD22020-3merson is a large automation company with a very broad product line, including process control instruments, valves, transmitters and more. The HD22020-3 model may correspond to different product types, such as:
Rosemount Line: Emerson’s Rosemount brand produces process control instruments, and the HD22020-3 may be a Rosemount-branded transmitter or controller.
Other brands: Emerson has other brands, such as Fisher, Micro Motion, etc., and the HD22020-3 may also be a product of these brands.
Possible product types and descriptions
Depending on the general situation, the HD22020-3 may be a process control instrument, such as:
Temperature transmitter: Used to measure the temperature of process fluids, converting the temperature signal into a standard 4-20mA current signal.
Pressure transmitter: Used to measure the pressure of process fluids and convert the pressure signal into a standard 4-20mA current signal.
Flow transmitter: Used to measure the flow rate of process fluids and convert the flow signal into a standard 4-20mA current signal.
Liquid level transmitter: Used to measure the liquid level and convert the level signal into a standard 4-20mA current signal