Yokogawa EJX438A User Manual

Page 9

Advertising
background image

(III) Specifications regarding fill fluid code 1, 2, and 4 (for EJA118E, EJX118A, EJA438E, and EJX438A)
Please use the following additional contents for each item on the section 10, when fill fluid code 1, 2, or 4 is specified.

8.1 Standard Specifications (for EJA118E, EJX118A, EJA438E, and EJX438A)

Working Pressure Limits (Page 8-2): See below table.

Fill fluid

Working pressure

High temp. and high vacuum use

High vacuum use

0.013 kPa abs (0.0019 psi abs) to flange rating pressure

For atmospheric pressure or below, see figure 8.a, 8.b, and 8.c.

-50 0 50 100 150 200 250 300 350

2.7(0.38)

100(14.5)

0.1(0.014)

0.013(0.0019)

0.01(0.0014)

1(0.14)

10(1.4)

Temperature (°C)

Process temperature

for fill fluid code 1

Flange max.

working

pressure

Atmospheric

pressure

Transmitter ambient

temperature range

(for fill fluid code 1)

*1

Working

pressure

kPa abs

(psi abs)

-50 0 50 100 150 200 250 300 350

2.7(0.38)

100(14.5)

0.1(0.014)

0.013(0.0019)

0.01(0.0014)

1(0.14)

10(1.4)

Temperature (°C)

Process temperature

for fill fluid code 2

Flange max.

working

pressure

Atmospheric

pressure

Transmitter ambient

temperature range

(for fill fluid code 2)

*1

Working

pressure

kPa abs

(psi abs)

-50 0 50 100 150 200 250 300 350

2.7(0.38)

100(14.5)

0.1(0.014)

0.013(0.0019)

0.01(0.0014)

1(0.14)

10(1.4)

Temperature (°C)

Process temperature

for fill fluid code 4

Flange max.

working

pressure

Atmospheric

pressure

Transmitter ambient

temperature range

(for fill fluid code 4)

*1

Working

pressure

kPa abs

(psi abs)

Figure 8.a.

Working Pressure and

Process Temperature

(Fill fluid: silicone oil for high

temp. and high vacuum use)

Figure 8.b.

Working Pressure and

Process Temperature

(Fill fluid: silicone oil for high

temp. and high vacuum use)

Figure 8.c

Working Pressure and

Process Temperature

(Fill fluid: silicone oil for high

vacuum use)

*1: The upper ambient temperature limit is 50°(122°F) in the following combinations.

Process Temperature Limits (Page 8-2): See below table.

Code Process temperature Ambient temperature Working pressure

Specific gravity

Silicone oil

(high temp. and

high vacuum use)

1

–10 to 250°C

*1

(14 to 482°F)

–10 to 60°C

*2

(14 to 140°F)

0.013 kPa abs

(0.0019 psi abs)

to flange rating

pressure

1.07

Silicone oil

(high temp. and

high vacuum use)

2

10 to 310°C

(50 to 590°F)

10 to 60°C

*2

(50 to 140°F)

1.09

Silicone oil

(high vacuum use)

4

–10 to 100°C

(14 to 212°F)

–10 to 60°C

*2

(14 to 140°F)

1.07

*1: In case of wetted parts material code TW (Tantalum), process temperature limit is up to 200°C (392°F).

*2: The upper ambient temperature limit is 50°C(122°F) in the following combinations.

Process connection style code

Process connection size code

W (Flush type)

2 (2-inch) or 8 (1 1/2-inch)

E (Extension type)

3 (3-inch)

Advertising