The General Specifications of Yokogawa Model EJA110A
Brief introduction:
The high performance differential pressure transmittermodel EJA110A can be used to measure liquid, gas,or steam flow as well as liquid level, density andpressure. It outputs a 4 to 20 mA DC signal corresponding to the measured differential pressure. ModelEJA110A also features remote setup and monitoringthrough communications with the BRAIN? terminaland CENTUM CS? or XL? or HART? 275 host.
STANDARD SPECIFICATIONS
Refer to GS 01C22T02-00E for FOUNDATION Fieldbus
communication type and GS 01C22T03-00E for
PROFIBUS PA communication type marked with “.”
PERFORMANCE SPECIFICATIONS
Zero-based calibrated span, linear output, wetted
parts material code ‘S’ and silicone oil.
Reference Accuracy of Calibrated Span
(including the effects of zero-based linearity, hysteresis,
and repeatability)
0.065 % of Span
For spans below X
[0.015 + 0.05 ] % of Span X
Span
where X equals:
Capsule X kPa {inH2
O}
L 3 {12}
M 10 {40}
H 100 {400}
V 1.4 MPa {200 psi}
Static Pressure Effects
Total Effects per Change
L capsule
[0.07 % Span+0.052 % URL] per 3.4 MPa {500 psi}
M, H and V capsules
[0.1% Span+0.028 % URL] per 6.9 MPa {1000 psi}
Effect on Zero (can be corrected at line pressure)
L capsule
[0.02 % Span+0.052 % URL] per 3.4 MPa {500 psi}
M, H and V capsules
0.028 % of URL per 6.9 MPa {1000 psi}
Overpressure Effects (M, H and V capsules)
0.03 % of URL per 16 MPa {2300 psi}
Stability
0.1 % of URL per 60 months (M, H and V capsules)
0.2 % of URL per 12 months (L capsule)
Power Supply Effects “”
0.005 % per Volt (from 21.6 to 32 V DC, 350 )
FUNCTIONAL SPECIFICATIONS
Span & Range Limits
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