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Prominent Beta BT4a

Prominent Beta BT4a

Prominent Beta BT4a

(OP)
Hi there.
I am running a project which involves the installation of one PROMINENT DOSING PUMP type BT4a (Beta Solenoid Diaphragm Dosing pump). I search in the OEM site and i beleive that this type of pump cannot run with an external signal of 4-20 mA. Can you confirm this ?

RE: Prominent Beta BT4a

It appears to be a pump designed for on-off control with displacement adjustment achieved by mechanical adjustment of the stroke length. It doesn't have a 4-20mA input. Why wasn't this apparent from the datasheet or from telephoning the manufacturer?

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RE: Prominent Beta BT4a

(OP)
ScottyUK
First of all thank you very much for your response.
For me it was clear but the supplier sent it wrong.
I usually take Prominent Gamma/L or Sigma and control the dosing rate with a standard 4-20 mA signal from a PLC analog output. I am afraid that it would be difficult to change a 4-20 ma signal to pulses (20ms each ) and drive the pump.

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