AMX Wave Wireless Accessories and Adapters none Manual de usuario descargar pdf (Pagina 21)

Rosemount 3300 Series

October 2014

www.rosemount.com

Interface Measuring Range

Target applications include interfaces between oil; oil-like and water; and water-like liquids with a

low (<3) upper product dielectric constant and a high (>20) lower product dielectric constant. For

such applications, the max measuring range is only limited by the length of the coaxial, rigid twin

and rigid single lead probes.

For the flexible twin lead probe, the maximum measuring range will be reduced depending on the

maximum upper product thickness according to the diagram.

Example: If the Upper Product Dielectric Constant is 2, and the Upper Product Thickness is 5 ft.

(1.5 m), the Maximum Measuring Range is 75.5 ft. (23 m).

However, characteristics vary between different applications. For other product combinations,

consult your local Emerson Process Management representative.

Environment

Vibration Resistance Polyurethane-covered aluminum housing: IEC 60770-1. SST housing: IACS E10

Electromagnetic

Compatibility

Emission and Immunity: meets EN 61326-1 (2006) and amendment A1, class A equipment

intended for use in industrial locations if installed in metallic vessels or still-pipes.

When rigid/flexible single and twin lead probes are installed in non-metallic or open vessels,

influence of strong electromagnetic fields might affect measurements.

Built-in Lightning Protection Meets EN 61000-4-4 Severity Level 4 and EN 61000-4-5 Severity Level 4

Coating

(See Table 8 on page 23)

 Single lead probes are preferred when there is a risk for contamination (because coating can

result in product bridging across the two leads for twin versions; between the inner lead and

outer pipe for the coaxial probe).

 PTFE probes are recommended for viscous or sticky applications. Periodic cleaning might be

required.

 For viscous or sticky applications, it is not recommended to use centering discs mounted along

the probe.

 Maximum error due to coating is 1 to 10% depending on probe type, dielectric constant, coating

thickness, and coating height above product surface.

CE-mark

The 4–20 mA HART version (Output Option Code H) complies with applicable directives (EMC and

ATE X).

0 (0) 3.3 (1)

65.6 (20)

68.9 (21)

72.2 (22)

75.5 (23)

78.7 (24)

82.0 (25)

6.6 (2) 9.8 (3) 13.1 (4) 16.4 (5)

Maximum Measuring Range, Flexible Twin Lead Probe, ft. (m)

Upper Product

Dielectric Constant

Max Upper Product Thickness, ft. (m)

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 43 44

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