Emerson Fisher 249VS Gebruiksaanwijzing - Pagina 3

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Instruction Manual

Form 5831

November 2007

CONTROLLER OR TRANSMITTER

(TYPE DLC3010 SHOWN)

W8150 / IL

Figure 3. Torque Tube Arm Exploded View Showing Controller or Transmitter Mounting

Installation

WARNING

To avoid personal injury or property

damage resulting from the sudden

release of pressure:

D Always wear protective clothing,

gloves, and eyewear when performing

any installation operations.

D Check with your process or safety

engineer for any additional measures

that must be taken to protect against

process media.

D If installing into an existing

application, also refer to the WARNING

at the beginning of the Maintenance

section of this instruction manual.

Type 249VS is installed directly on the vessel as

shown in figure 4. The sensor mounts on the side of

the vessel using an NPS 4 flat face or raised face

flange.

Because the displacer hangs inside the vessel,

provide a stillwell around the displacer if the fluid is

in a state of constant agitation to avoid excessive

POSITIONING

PLATE

RETAINING

FLANGE

ROTARY SHAFT

MOUNTING HOLES ACCEPT

FOUR STUDS OR CAP

SCREWS DEPENDING ON

CONTROLLER OR TRANSMITTER

turbulence around the displacer. For interface or

fluid level applications, install a gauge glass on the

vessel.

Figure 5 provides overall envelope dimensions for

the 249VS sensor and DLC3000 Series controller

and figure 6 provides overall envelope dimensions

for the 249VS sensor and 2500 Series controller or

transmitter.

Cageless 249VS Sensor

OUTER

GASKET

TUBE

END

NPS 4 RF FLANGE

NOTE:

STILLWELL REQUIRED AROUND DISPLACER IF THE FLUID

IS IN A STATE OF CONTINUOUS AGITATION

W9356

Figure 4. 249VS Sensor Top Mounted on Vessel

TORQUE TUBE

ARM

HEX NUTS OR CAP SCREWS

DEPENDING ON CONTROLLER

OR TRANSMITTER

249VS

DISPLACER

STILLWELL