Yokogawa EJX438A User Manual
Page 9
(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)