Emerson 4500 Manuel D’Utilisation

Reference Manual

00809-0100-4027, Rev AA

December 2005

Rosemount 4500

A-4

Alarm Configuration

Rosemount

High Alarm: 

≥ 21.75 mA

Low Alarm: 

≤ 3.75 mA

Custom Level 

(1)

High Alarm: 20.2 - 23.0 mA

Low Alarm: 3.6 - 3.8 mA

Humidity Limits

0-100% relative humidity

Physical Specifications

Process Connections

• 1

1

/

2

 inch Tri-Clamp Connection

• 2 inch Tri-Clamp Connection

• 1

1

/

2

 inch Fractional Line Connection

Process-Wetted Parts

Process Isolating Diaphragms

316L SST 
Hastelloy C-276

®

 

Surface Finish

15 

μ-inch Ra mechanically polished

10 

μ-inch Ra electropolished

Non-Wetted Parts

Electronics Housing

304 SST

NEMA 4X

IP 66

Surface Finish

32 

μ-inch Ra mechanically polished

Sensor Module Fill Fluid

Neobee M-20

Shipping Weight for Rosemount 4500

3.0 lb. (1.36 kg.)

(1)

Low alarm must be 0.1 mA less than low saturation and high alarm must be 0.1 mA greater 
than high saturation.