Emerson 4000 LCD Display, 1-6PROBE OPTIONS, a.Diffusion Elements, Figure 1-11.Ceramic Diffusion Assembly, Figure 1-12.Snubber Diffusion Assembly

Oxymitter 4000

Instruction Manual

IB-106-340 Rev. 3.0 December 2003

++

%

++

22220059

Figure 1-10. Model 751 Remote Powered LoopLCD Display1-5 MODEL 751 REMOTE POWERED LOOP LCD DISPLAY

The display (Figure 1-10)provides a simple, economical means to obtain accurate, reliable, and remote indication of important process vari- ables. This display operates on the 4-20 mA line from the Oxymitter 4000. Refer to Model 751 remote powered loop LCD manual for calibration and wiring.

1-6 PROBE OPTIONSa.Diffusion Elements

1.Ceramic Diffusion Assembly

The ceramic diffusion assembly, Figure 1-11,is the traditional design for the probe. Used for over 25 years, the ce- ramic diffusion assembly provides a greater filter surface area. This element is also available with a flame arrestor, and with a dust seal for use with an abrasive shield.

19280010

Figure 1-11. Ceramic Diffusion Assembly

36210012

Figure 1-12. Snubber Diffusion Assembly

2.Snubber Diffusion Assembly

The snubber diffusion assembly, Figure 1-12,is satisfactory for most applications. This element is also available with a flame arrestor, and with a dust seal for use with an abra- sive shield.

Rosemount Analytical Inc. A Division of Emerson Process Management Description and Specifications 1-11