4 primary device, Primary device -6 – Yokogawa EJX930A User Manual

Page 27

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<3. Functional Specification>

3-6

IM 01C25R51-01E

3.4.3 Flow Parameter Management (Obtain Flow Coefficient)

This function is supported by EJXMVTool.

Flow coefficient retrieval

The flow coefficient can be obtained from the device (input selection: sensor data or

simulated data).

3.4.4 Primary Device

This function is supported by EJXMVTool Auto Compensation Mode.

Table 3.1

Supported primary devices

Type

Primary Device

Orifice

Orifice Corner Taps [ISO5167-1 1991]
Orifice Corner Taps [ISO5167-2 2003]
Orifice Corner Taps [ASME MFC-3M 1989]
Orifice Flange Taps [ISO5167-1 1991]
Orifice Flange Taps [ISO5167-2 2003]
Orifice Flange Taps [ASME MFC-3M 1989]
Orifice Flange Taps [AGA No.3 1992]
Orifice D and D/2 Taps [ISO5167-1 1991]
Orifice D and D/2 Taps [ISO5167-2 2003]
Orifice D and D/2 Taps [ASME MFC-3M 1989]

Nozzle

ISA1932 nozzle [ISO5167-1 1991/ ISO5167-3 2003]
Long radius nozzle [ISO5167-1 1991/ ISO5167-3 2003]
ASME FLOW NOZZLES [ASME MFC-3M 1989]

Venturi

Venturi nozzle [ISO5167-1 1991/ ISO5167-3 2003]
Classical Venturi tube “as cast” convergent section [ISO5167-1 1991/ ISO5167-4 2003]
ASME Venturi Tubes With a rough Cast or Fabricated Convergent [ASME MFC-3M 1989]
Classical Venturi tube with a machined convergent section [ISO5167-1 1991/ ISO5167-4 2003]
ASME Venturi Tubes With a machined convergent section [ASME MFC-3M 1989]
Classical Venturi tube with a rough-welded sheet-iron convergent section

[ISO5167-1 1991/ ISO5167-4 2003]

FIX

Fixed Mode (Sets the discharge coefficient and gas expansion factor to a fixed value)

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