EJX430A
Gauge Pressure Transmitter
The high performance gauge pressure transmitter EJX430A features single crystal
silicon resonant sensor and is suitable to measure liquid, gas, or steam pressure.
The EJX430A outputs a 4 to 20 mA DC signal corresponding to the measured pressure.
It also features quick response, remote setup and monitoring via BRAIN or HART
communications, and self-diagnostics. FOUNDATION Fieldbus protocol type is also
available.
All EJX series models in their standard configuration, with the exception of the Fieldbus
type, are certified by TUV as complying with SIL 2 for safety requirement.
SPECIFICATIONS
SPAN AND RANGE LIMITS
Measurement Span/Range			MPa	Psi(/D1)		Bar(/D3)	Kgf/cm2(/D4)
H	Span		2.5 to 500 kPa	10 to 2000 in H2O		0.025 to 5	0.025 to 5
	Range		-100 to 500 kPa	-400 to 2000 in H2O		-1 to 5	-1 to 5
A	Span		0.0175 to 3.5	2.5 to 500		0.175 to 35	0.175 to 35
	Range		-0.1 to 3.5	-14.5 to 500		-1 to 35	-1 to 35
B	Span		0.08 to 16	12 to 2300		0.8 to 160	0.8 to 160
	Range		-0.1 to 16	-14.5 to 2300		-1 to 160	-1 to 160
PERFORMANCE SPECIFICATIONS
Zero-based calibrated span, linear output, wetted parts material code ‘S’ and silicone oil,
unless otherwise mentioned.
For Fieldbus communication type, use calibrated range instead of span in the following
Specifications.
NORMAL OPERATION CONDITION
(Optional features or approval codes may affect limits.)
Ambient Temperature Limits
-40 to 85๐C (-40 to 185๐F)
-30 to 80๐C (-22 to 176๐F) with LCD display
Process Temperature Limits
-40 to 120๐C (-40 to 248๐F)
Ambient Humidity Limits
0 to 100% RH
Maximum Over Pressure
Capsule		Pressure
H, A		16 MPa (2300 psi)
B		25 MPa (3600 psi)
Working Pressure Limits (Silicone oil)
Maximum Pressure Limits
Capsule		Pressure
H		500 kPa (2000 inH2O)
A		3.5 MPa (500 psi)
B		16 MPa (2300 psi)
Supply & Load Requirements
With 24 V DC supply, up to a 550 W load can be used.
Communication Requirements “à”
(Approval codes may affect electrical requirements.)
BRAIN
Communication Distance
Up to 2 km (1.25 miles) when using CEV polyethylene-insulated PVC-sheathed cables.
Communication distance varies depending on type of cable used.
Load Capacitance
0.22 mF or less
Load Inductance
3.3 mH or less
Input Impedance of communicating device
10 kW or more at 2.4 kHz.