EJA438E Diaphragm sealed pressure transmitter adopts monocrystalline silicon resonant sensing technology, suitable for measuring the pressure and liquid level of high and low temperature, high vacuum, high viscosity and easy crystallizing medium.All EJA - E series models In their Standard Configuration, with the exception Of the Fieldbus, PROFIBUS and Low Power types, Are certified as Australia with SIL 2 for safety requirement.
Yokogawa EJA438E-DASCG-915DN-EJ24BSE01-AB24/KF22 Diaphragm Sealed Gauge Pressure Transmitter
EJA-E series transmitters except Fieldbus, PROFIBUS PA and 1-5V DC with HART (Low Power) communication types are certified in compliance with the following standards; IEC 61508: 2000; Part1 to Part 7 Functional Safety of Electrical/electronic/ programmable electronic related systems; SIL 2 capability for single transmitter use, SIL 3 capability for dual transmitter use.
For 4 to 20 mA HART / BRAIN (Output signal code D and J)
Two wire 4 to 20 mA DC output with digital communications.
BRAIN or HART FSK protocol are superimposed on the 4 to 20 mA signal.
Output range: 3.6 mA to 21.6 mA
Output limits conform to NAMUR NE43 can be preset by option code C2 or C3.
For 1 to 5 V HART (Output signal code Q)
Three or four wire low power 1 to 5 V DC output with HART, linear or square root programmable. HART protocol are superimposed on the 1 to 5 V DC signal. Output range: 0.9 V to 5.4 V DC
NORMAL OPERATING CONDITION (Optional features or approval codes may affect limits.)
Ambient Temperature Limits
−40 to 60°C (−40 to 140°F)
−30 to 60°C (−22 to 140°F) with LCD display (Note: The ambient temperature limits must be within the fill fluid operating temperature range, see table 1.)
Ambient Humidity Limits
0 to 100% RH
Process connection size code
Extended type: 12.2 kg (26.9 lbs) (4-inch ANSI Class150 flange, extention length (X2)=100 mm, capillary length 5 m; without integral indicator and mounting bracket.) Add 1.5kg (3.3lb) for Amplifier housing code 2
MODEL AND SUFFIX CODES
The model and suffix codes for EJA438E consist of two parts; a transmitter body section (I) and a diaphragm seal section (II).
Ⅰ Transmitter body section
-D 4 to 20 mA DC with digital communication (BRAIN protocol)
A 0.06 to 3.5 MPa (8.6 to 500 psi)
S Always S
C Always C
G 316L SST
-9 Horizontal piping type and left side high pressure
1 Cast aluminum alloy
5 G 1/2 female, two electrical connections with a blind plug *5
D Digital indicator*6
II. Diaphragm seal section (Extended type)
Process connection size: 4-inch (100 mm) / 3-inch (80 mm)
-E Extended type
J2 JIS 20K
4 4-inch (100 mm)
B 304 SST *5
SE 316L SST
1 Length (X2) = 50 mm
-A For general use (silicone oil)
B Back of diaphragm seal unit
2 Always 2
4 4 m
KF22 ATEX Flameproof Approval *1*3 Applicable Standard: EN 60079-0:2009, EN 60079-1:2007, EN 60079-31:2009 Certificate: KEMA 07ATEX0109 X II 2G, 2D Ex d IIC T6...T4 Gb, Ex tb IIIC T85°C Db IP6X Degree of protection: IP66/IP67 Amb. Temp. (Tamb) for gas-proof : T4; –50 to 75°C (–58 to 167°F), T5; –50 to 80°C (–58 to 176°F), T6; –50 to 75°C (–58 to 167°F) Max. process Temp. for gas-proof (Tp): T4; 120°C (248°F), T5; 100°C (212°F), T6; 85°C (185°F) Max. surface Temp. for dust-proof: T85°C (Tamb: –30 to 75°C, Tp: 85°C) *2
< Transmitter body section >
< Diaphragm seal section >Extended type
Shaanxi Tebess Electronic Technology Co. LTD established on June 8th of 2010.
We are authorized instruments distributor of yokogawa, Rosemount, Endress Hauser, honeywell , ABB, YTC .
We offer original products in best price and fastest delivery time, especially for pressure transmitter,
temperature transmitter,flow meterS and valve positioner.