YOKOGAWA DPharp EJX Series - User Manual

User’s
Manual
Contents
1. Introduction
1.1 For Safe Use of Product ..............................................3
1.2 Warranty ......................................................................5
2. Handling Cautions
.................................7
..............................7
..................................................7
......7
..................................... 31
...................... 31
................................................... 32
................................ 33
3. Installation
3.1 Mounting................................................................... 34
3.2
......................................34
............ 35
.................. 36
............................................. 37
.................................... 38
............. 38
4. Installing Impulse Piping
................... 39
..................... 42
115 42
5. Wiring
5.1 Wiring Precautions ................................................... 44
...... 44
5.3 Wiring ....................................................................... 47
......... 49
5.5 Grounding ................................................................ 51
........... 51
6. Operation
6.1 Preparation for Starting Operation ........................... 52
.............................................. 52
.......................................... 53
7. Errors and Countermeasures
EJX and EJA-E Series
Differential Pressure and
Pressure Transmitters
Installation Manual

YOKOGAWA DPharp EJX Series Specifications

General

Temperature Range	-40 to 85 °C (-40 to 185 °F)
Stability	±0.1% of URL per 10 years
Ambient Temperature Limit	-40 to 85 °C (-40 to 185 °F)
Type	Differential Pressure, Absolute Pressure
Output Signal	4-20 mA HART
Communication Protocol	HART, FOUNDATION Fieldbus, PROFIBUS PA
Power Supply	10.5 to 42 V DC (HART/BRAIN)
Process Connection	1/2 NPT, 1/4 NPT
Response Time	Adjustable damping from 0 to 100 s
Process Temperature Limit	-40 to 120°C (-40 to 248 °F) (depending on model)
Housing Material	Aluminum alloy, stainless steel
Degree of Protection	IP66/IP67, NEMA 4X
Material	Hastelloy
Protection Rating	IP66/IP67, NEMA 4X