Yokogawa EJA438W -DB Diaphragm Sealed Gauge Pressure Transmitters

Models EJA438W Diaphragm Sealed
Gauge Pressure Transmitters can be used to measure
liquid, gas or steam pressure.

Output Signal “◊”:
4 to 20 mA DC, 2-wire system with digital
communication
Failure Alarm:
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more (standard)
Down-scale:
-5%, 3.2 mA DC or less
-2.5%, 3.6 mA DC or less (Optional code /F1)
Note: Applicable for Output signal code D and E

Power Supply Effect “◊”:
±0.005 %/V (21.6 to 32 V DC, 350 Ω)

Safety Requirement Standards:
EN61010-1
• Altitude of installation site: Max. 2,000 m above
sea level
• Installation category: I
• Pollution degree: 2
• Indoor/Outdoor use

Weight:
8.3 kg (18.3 lb) Model EJA438W with 50 mm JIS 10K
flange, capillary length 5 m; with integral indicator
and mounting bracket.
13.4 kg (29.6 lb) Model EJA438N with 100 mm JIS
10K flange, X2=100, capillary length 5 m; with
integral indicator and mounting bracket.
Add 1.4 kg (3.1 lb) for JIS SCS14A stainless steel
amplifier housing.

Description

Ambient Temperature Limits:
-40 to 60 °C (-40 to 140 °F) (general-use type)
-30 to 60 °C (-22 to 140 °F) (with integral indicator)
Note : The ambient temperature limits must be within the
fill fluid operating temperature range, see Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Temperature Effect:
See Table 2.
Process Temperature Limits:
See Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Humidity Limits:
5 to 100 % R.H.(at 40 °C)

Yokogawa EJA438W and EJA438N Diaphragm Sealed Gauge Pressure Transmitters

Yokogawa EJA438W -DA Diaphragm Sealed Gauge Pressure Transmitters

Models EJA438W Diaphragm Sealed
Gauge Pressure Transmitters can be used to measure
liquid, gas or steam pressure.

Output Signal “◊”:
4 to 20 mA DC, 2-wire system with digital
communication
Failure Alarm:
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more (standard)
Down-scale:
-5%, 3.2 mA DC or less
-2.5%, 3.6 mA DC or less (Optional code /F1)
Note: Applicable for Output signal code D and E

Power Supply Effect “◊”:
±0.005 %/V (21.6 to 32 V DC, 350 Ω)

Safety Requirement Standards:
EN61010-1
• Altitude of installation site: Max. 2,000 m above
sea level
• Installation category: I
• Pollution degree: 2
• Indoor/Outdoor use

Weight:
8.3 kg (18.3 lb) Model EJA438W with 50 mm JIS 10K
flange, capillary length 5 m; with integral indicator
and mounting bracket.
13.4 kg (29.6 lb) Model EJA438N with 100 mm JIS
10K flange, X2=100, capillary length 5 m; with
integral indicator and mounting bracket.
Add 1.4 kg (3.1 lb) for JIS SCS14A stainless steel
amplifier housing.

Description

Ambient Temperature Limits:
-40 to 60 °C (-40 to 140 °F) (general-use type)
-30 to 60 °C (-22 to 140 °F) (with integral indicator)
Note : The ambient temperature limits must be within the
fill fluid operating temperature range, see Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Temperature Effect:
See Table 2.
Process Temperature Limits:
See Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Humidity Limits:
5 to 100 % R.H.(at 40 °C)

Yokogawa EJA438W and EJA438N Diaphragm Sealed Gauge Pressure Transmitters

Yokogawa EJA118Y -EH Diaphragm Sealed Differential Pressure Transmitters

Model EJA118Y Diaphragm Sealed Differential Pressure Transmitters can be used to measure liquid, gas, or steam flow, as well as liquid level, density, and pressure.

Output Signal “◊”:
4 to 20 mA DC, 2-wire system with digital communication
Failure Alarm:
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more(standard)
Down-scale: -5%, 3.2 mA DC
Note: Applicable for Output signal code D and E

Working Pressure Range:
2.7 kPa abs{20 mmHg abs} to flange rating pressure.
For atmospheric pressure or below, see Figure 2.
Static Pressure Effect:
See Table 2-1, 2-2 and 2-3.
Power Supply Effect “◊”:
±0.005 %/V(21.6 to 32 V DC, 350 V)

Weight:
17.3 kg (38.2 lb) Model EJA118W with 80 mm JIS 10K
flange, capillary length 5 m; with integral indicator and
mounting bracket.
22.9 kg (50.6 lb) Model EJA118N with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
20.1 kg (44.4 lb) Model EJA118Y with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
Add 1.4 kg (3.1lb) for JIS SCS14A stainless steel amplifier
housing.

Description

Ambient Temperature Limits:
-40 to 85 °C (-40 to 185 °F) (general-use type)
-30 to 80 °C (-22 to 176 °F) (with integral indicator)
(Note : The ambient temperature limits must be within the
fill fluid operating temperature range, see table 1.)
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Temperature Effect:
See Table 2-1, 2-2 and 2-3.
Process Temperature Limits:
See Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Humidity Limits:
5 to 100 % R.H.(at 40 °C)

Yokogawa EJA118W, EJA118N and EJA118Y Diaphragm Sealed Differential Pressure Transmitters

Yokogawa EJA118Y -EM Diaphragm Sealed Differential Pressure Transmitters

Model EJA118Y Diaphragm Sealed Differential Pressure Transmitters can be used to measure liquid, gas, or steam flow, as well as liquid level, density, and pressure.

Output Signal “◊”:
4 to 20 mA DC, 2-wire system with digital communication
Failure Alarm:
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more(standard)
Down-scale: -5%, 3.2 mA DC
Note: Applicable for Output signal code D and E

Working Pressure Range:
2.7 kPa abs{20 mmHg abs} to flange rating pressure.
For atmospheric pressure or below, see Figure 2.
Static Pressure Effect:
See Table 2-1, 2-2 and 2-3.
Power Supply Effect “◊”:
±0.005 %/V(21.6 to 32 V DC, 350 V)

Weight:
17.3 kg (38.2 lb) Model EJA118W with 80 mm JIS 10K
flange, capillary length 5 m; with integral indicator and
mounting bracket.
22.9 kg (50.6 lb) Model EJA118N with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
20.1 kg (44.4 lb) Model EJA118Y with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
Add 1.4 kg (3.1lb) for JIS SCS14A stainless steel amplifier
housing.

Description

Ambient Temperature Limits:
-40 to 85 °C (-40 to 185 °F) (general-use type)
-30 to 80 °C (-22 to 176 °F) (with integral indicator)
(Note : The ambient temperature limits must be within the
fill fluid operating temperature range, see table 1.)
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Temperature Effect:
See Table 2-1, 2-2 and 2-3.
Process Temperature Limits:
See Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Humidity Limits:
5 to 100 % R.H.(at 40 °C)

Yokogawa EJA118W, EJA118N and EJA118Y Diaphragm Sealed Differential Pressure Transmitters

Yokogawa EJA118Y -DH Diaphragm Sealed Differential Pressure Transmitters

Model EJA118Y Diaphragm Sealed Differential Pressure Transmitters can be used to measure liquid, gas, or steam flow, as well as liquid level, density, and pressure.

Output Signal “◊”:
4 to 20 mA DC, 2-wire system with digital communication
Failure Alarm:
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more(standard)
Down-scale: -5%, 3.2 mA DC
Note: Applicable for Output signal code D and E

Working Pressure Range:
2.7 kPa abs{20 mmHg abs} to flange rating pressure.
For atmospheric pressure or below, see Figure 2.
Static Pressure Effect:
See Table 2-1, 2-2 and 2-3.
Power Supply Effect “◊”:
±0.005 %/V(21.6 to 32 V DC, 350 V)

Weight:
17.3 kg (38.2 lb) Model EJA118W with 80 mm JIS 10K
flange, capillary length 5 m; with integral indicator and
mounting bracket.
22.9 kg (50.6 lb) Model EJA118N with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
20.1 kg (44.4 lb) Model EJA118Y with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
Add 1.4 kg (3.1lb) for JIS SCS14A stainless steel amplifier
housing.

Description

Ambient Temperature Limits:
-40 to 85 °C (-40 to 185 °F) (general-use type)
-30 to 80 °C (-22 to 176 °F) (with integral indicator)
(Note : The ambient temperature limits must be within the
fill fluid operating temperature range, see table 1.)
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Temperature Effect:
See Table 2-1, 2-2 and 2-3.
Process Temperature Limits:
See Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Humidity Limits:
5 to 100 % R.H.(at 40 °C)

Yokogawa EJA118W, EJA118N and EJA118Y Diaphragm Sealed Differential Pressure Transmitters

Yokogawa EJA118N -EH Diaphragm Sealed Differential Pressure Transmitters

Model EJA118N Diaphragm Sealed Differential Pressure Transmitters can be used to measure liquid, gas, or steam flow, as well as liquid level, density, and pressure.

Output Signal “◊”:
4 to 20 mA DC, 2-wire system with digital communication
Failure Alarm:
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more(standard)
Down-scale: -5%, 3.2 mA DC
Note: Applicable for Output signal code D and E

Working Pressure Range:
2.7 kPa abs{20 mmHg abs} to flange rating pressure.
For atmospheric pressure or below, see Figure 2.
Static Pressure Effect:
See Table 2-1, 2-2 and 2-3.
Power Supply Effect “◊”:
±0.005 %/V(21.6 to 32 V DC, 350 V)

Weight:
17.3 kg (38.2 lb) Model EJA118W with 80 mm JIS 10K
flange, capillary length 5 m; with integral indicator and
mounting bracket.
22.9 kg (50.6 lb) Model EJA118N with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
20.1 kg (44.4 lb) Model EJA118Y with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
Add 1.4 kg (3.1lb) for JIS SCS14A stainless steel amplifier
housing.

Description

Ambient Temperature Limits:
-40 to 85 °C (-40 to 185 °F) (general-use type)
-30 to 80 °C (-22 to 176 °F) (with integral indicator)
(Note : The ambient temperature limits must be within the
fill fluid operating temperature range, see table 1.)
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Temperature Effect:
See Table 2-1, 2-2 and 2-3.
Process Temperature Limits:
See Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Humidity Limits:
5 to 100 % R.H.(at 40 °C)

Yokogawa EJA118W, EJA118N and EJA118Y Diaphragm Sealed Differential Pressure Transmitters

Yokogawa EJA118N -EM Diaphragm Sealed Differential Pressure Transmitters

Model EJA118N Diaphragm Sealed Differential Pressure Transmitters can be used to measure liquid, gas, or steam flow, as well as liquid level, density, and pressure.

Output Signal “◊”:
4 to 20 mA DC, 2-wire system with digital communication
Failure Alarm:
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more(standard)
Down-scale: -5%, 3.2 mA DC
Note: Applicable for Output signal code D and E

Working Pressure Range:
2.7 kPa abs{20 mmHg abs} to flange rating pressure.
For atmospheric pressure or below, see Figure 2.
Static Pressure Effect:
See Table 2-1, 2-2 and 2-3.
Power Supply Effect “◊”:
±0.005 %/V(21.6 to 32 V DC, 350 V)

Weight:
17.3 kg (38.2 lb) Model EJA118W with 80 mm JIS 10K
flange, capillary length 5 m; with integral indicator and
mounting bracket.
22.9 kg (50.6 lb) Model EJA118N with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
20.1 kg (44.4 lb) Model EJA118Y with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
Add 1.4 kg (3.1lb) for JIS SCS14A stainless steel amplifier
housing.

Description

Ambient Temperature Limits:
-40 to 85 °C (-40 to 185 °F) (general-use type)
-30 to 80 °C (-22 to 176 °F) (with integral indicator)
(Note : The ambient temperature limits must be within the
fill fluid operating temperature range, see table 1.)
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Temperature Effect:
See Table 2-1, 2-2 and 2-3.
Process Temperature Limits:
See Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Humidity Limits:
5 to 100 % R.H.(at 40 °C)

Yokogawa EJA118W, EJA118N and EJA118Y Diaphragm Sealed Differential Pressure Transmitters

Yokogawa EJA118N -DH Diaphragm Sealed Differential Pressure Transmitters

Model EJA118N Diaphragm Sealed Differential Pressure Transmitters can be used to measure liquid, gas, or steam flow, as well as liquid level, density, and pressure.

Output Signal “◊”:
4 to 20 mA DC, 2-wire system with digital communication
Failure Alarm:
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more(standard)
Down-scale: -5%, 3.2 mA DC
Note: Applicable for Output signal code D and E

Working Pressure Range:
2.7 kPa abs{20 mmHg abs} to flange rating pressure.
For atmospheric pressure or below, see Figure 2.
Static Pressure Effect:
See Table 2-1, 2-2 and 2-3.
Power Supply Effect “◊”:
±0.005 %/V(21.6 to 32 V DC, 350 V)

Weight:
17.3 kg (38.2 lb) Model EJA118W with 80 mm JIS 10K
flange, capillary length 5 m; with integral indicator and
mounting bracket.
22.9 kg (50.6 lb) Model EJA118N with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
20.1 kg (44.4 lb) Model EJA118Y with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
Add 1.4 kg (3.1lb) for JIS SCS14A stainless steel amplifier
housing.

Description

Ambient Temperature Limits:
-40 to 85 °C (-40 to 185 °F) (general-use type)
-30 to 80 °C (-22 to 176 °F) (with integral indicator)
(Note : The ambient temperature limits must be within the
fill fluid operating temperature range, see table 1.)
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Temperature Effect:
See Table 2-1, 2-2 and 2-3.
Process Temperature Limits:
See Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Humidity Limits:
5 to 100 % R.H.(at 40 °C)

Yokogawa EJA118W, EJA118N and EJA118Y Diaphragm Sealed Differential Pressure Transmitters

Yokogawa EJA118W -EH Diaphragm Sealed Differential Pressure Transmitters

Model EJA118W Diaphragm Sealed Differential Pressure Transmitters can be used to measure liquid, gas, or steam flow, as well as liquid level, density, and pressure.

Output Signal “◊”:
4 to 20 mA DC, 2-wire system with digital communication
Failure Alarm:
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more(standard)
Down-scale: -5%, 3.2 mA DC
Note: Applicable for Output signal code D and E

Working Pressure Range:
2.7 kPa abs{20 mmHg abs} to flange rating pressure.
For atmospheric pressure or below, see Figure 2.
Static Pressure Effect:
See Table 2-1, 2-2 and 2-3.
Power Supply Effect “◊”:
±0.005 %/V(21.6 to 32 V DC, 350 V)

Weight:
17.3 kg (38.2 lb) Model EJA118W with 80 mm JIS 10K
flange, capillary length 5 m; with integral indicator and
mounting bracket.
22.9 kg (50.6 lb) Model EJA118N with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
20.1 kg (44.4 lb) Model EJA118Y with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
Add 1.4 kg (3.1lb) for JIS SCS14A stainless steel amplifier
housing.

Description

Ambient Temperature Limits:
-40 to 85 °C (-40 to 185 °F) (general-use type)
-30 to 80 °C (-22 to 176 °F) (with integral indicator)
(Note : The ambient temperature limits must be within the
fill fluid operating temperature range, see table 1.)
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Temperature Effect:
See Table 2-1, 2-2 and 2-3.
Process Temperature Limits:
See Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Humidity Limits:
5 to 100 % R.H.(at 40 °C)

Yokogawa EJA118W, EJA118N and EJA118Y Diaphragm Sealed Differential Pressure Transmitters

Yokogawa EJA118W -EM Diaphragm Sealed Differential Pressure Transmitters

Model EJA118W Diaphragm Sealed Differential Pressure Transmitters can be used to measure liquid, gas, or steam flow, as well as liquid level, density, and pressure.

Output Signal “◊”:
4 to 20 mA DC, 2-wire system with digital communication
Failure Alarm:
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more(standard)
Down-scale: -5%, 3.2 mA DC
Note: Applicable for Output signal code D and E

Working Pressure Range:
2.7 kPa abs{20 mmHg abs} to flange rating pressure.
For atmospheric pressure or below, see Figure 2.
Static Pressure Effect:
See Table 2-1, 2-2 and 2-3.
Power Supply Effect “◊”:
±0.005 %/V(21.6 to 32 V DC, 350 V)

Weight:
17.3 kg (38.2 lb) Model EJA118W with 80 mm JIS 10K
flange, capillary length 5 m; with integral indicator and
mounting bracket.
22.9 kg (50.6 lb) Model EJA118N with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
20.1 kg (44.4 lb) Model EJA118Y with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
Add 1.4 kg (3.1lb) for JIS SCS14A stainless steel amplifier
housing.

Description

Ambient Temperature Limits:
-40 to 85 °C (-40 to 185 °F) (general-use type)
-30 to 80 °C (-22 to 176 °F) (with integral indicator)
(Note : The ambient temperature limits must be within the
fill fluid operating temperature range, see table 1.)
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Temperature Effect:
See Table 2-1, 2-2 and 2-3.
Process Temperature Limits:
See Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Humidity Limits:
5 to 100 % R.H.(at 40 °C)

Yokogawa EJA118W, EJA118N and EJA118Y Diaphragm Sealed Differential Pressure Transmitters

Yokogawa EJA118W -DH Diaphragm Sealed Differential Pressure Transmitters

Model EJA118W Diaphragm Sealed Differential Pressure Transmitters can be used to measure liquid, gas, or steam flow, as well as liquid level, density, and pressure.

Output Signal “◊”:
4 to 20 mA DC, 2-wire system with digital communication
Failure Alarm:
Output status at CPU failure and hardware error;
Up-scale: 110%, 21.6 mA DC or more(standard)
Down-scale: -5%, 3.2 mA DC
Note: Applicable for Output signal code D and E

Working Pressure Range:
2.7 kPa abs{20 mmHg abs} to flange rating pressure.
For atmospheric pressure or below, see Figure 2.
Static Pressure Effect:
See Table 2-1, 2-2 and 2-3.
Power Supply Effect “◊”:
±0.005 %/V(21.6 to 32 V DC, 350 V)

Weight:
17.3 kg (38.2 lb) Model EJA118W with 80 mm JIS 10K
flange, capillary length 5 m; with integral indicator and
mounting bracket.
22.9 kg (50.6 lb) Model EJA118N with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
20.1 kg (44.4 lb) Model EJA118Y with 100 mm JIS 10K
flange, X2
=100, capillary length 5 m; with integral
indicator and mounting bracket.
Add 1.4 kg (3.1lb) for JIS SCS14A stainless steel amplifier
housing.

Description

Ambient Temperature Limits:
-40 to 85 °C (-40 to 185 °F) (general-use type)
-30 to 80 °C (-22 to 176 °F) (with integral indicator)
(Note : The ambient temperature limits must be within the
fill fluid operating temperature range, see table 1.)
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Temperature Effect:
See Table 2-1, 2-2 and 2-3.
Process Temperature Limits:
See Table 1.
(See ‘Optional Specifications’ for Explosion-protected
types)
Ambient Humidity Limits:
5 to 100 % R.H.(at 40 °C)

Yokogawa EJA118W, EJA118N and EJA118Y Diaphragm Sealed Differential Pressure Transmitters

Yokogawa EJA530A -ED Gauge Pressure Transmitter

The Gauge Pressure Transmitter model EJA530A can be used to measure liquid, gas, or steam pressure.

Ambient Temperature Effects

Total Effects per 28 °C (50 °F) Change

±[0.15% Span + 0.15% URL]

Stability

±0.1% of URL per 12 months

Power Supply Effects “◊”

±0.005 % per Volt (from 21.6 to 32 V DC, 350 )

Output “◊”

Two wire 4 to 20 mA DC output with digital communi-cations. BRAIN or HART FSK protocol are superim-posed on the 4 to 20 mA signal.

Weight

1.6 kg (3.5 lb) without integral indicator, mounting bracket.

Failure Alarm

Output status at CPU failure and hardware error;

Up-scale: 110%, 21.6 mA DC or more (standard)

Down-scale: -5%, 3.2 mA DC or less

-2.5%, 3.6 mA DC or less (Optional

code /F1)

Note : Applicable for Output signal code D and E.

Description

Ambient Temperature Limits

(approval codes may affect limits)

-40 to 85 °C (-40 to 185 °F)

-30 to 80 °C (-22 to 176 °F) with LCD Display

Process Temperature Limits

(approval codes may affect limits)

-40 to 120 °C (-40 to 248 °F)

Ambient Humidity Limits

5 to 100 % RH @ 40 °C (104 °F)

Yokogawa EJA510A and EJA530A Absolute and Gauge Pressure Transmitter