Instruction Manual
    <2.  Handling Cautions>
2-5
IM 01C27H01-01EN
Note 5. Special Conditions for safe use
  POTENTIAL ELECTROSTATIC CHARGING 
HAZARD-SECURE DISTANCE OF 100MM 
FROM ANTENNA.
  DO NOT OPEN WHEN CL II, III, DIV 1,2 
ATMOSPHERE IS PRESENT.
2.8.2  CSA Certication
Caution for CSA Intrinsically safe type. (Following 
contents refer to “DOC No. ICS030”)
Note 1. Model EJX Series differential, gauge, 
and absolute pressure transmitters with 
optional code /CS17 are applicable for use 
in hazardous locations
Certicate: 2325443
•  Applicable standard: CAN/CSA-C22.2 No.0,  
CAN/CSA-C22.2 No.0.4, C22.2 No.25,  
CAN/CSA-C22.2 No.94, 
CAN/CSA-C22.2 No.157, C22.2 No.213, 
CAN/CSA-C22.2 No.61010-1, 
CAN/CSA- C22.2 No.60079-0,  
CAN/CSA-E60079-11, IEC60529 
•  Ex ia IIC T4 
•  Intrinsically Safe for Class I, Division 1, 
Groups A, B, C & D, Class II, Division 1, 
Groups E, F & G, Class III, Division 1
•  Nonincendive for Class I, Division2,  
Groups A, B, C & D, Class II, Division2,  
Groups F & G, Class III, Division1
•  Enclosure: IP66/IP67 and Type 4X
•  Temperature Code: T4
•  Ambient Temperature: –50 to 70°C
•  Max. Process Temp.: 120°C
Note 2. Installation
•  Installation should be in accordance with 
Canadian Electrical Code Part I and Local 
Electrical Code.
•  Do not alter drawing without authorization 
from CSA.
•  The instrument modication or parts 
replacement by other than authorized 
representative of Yokogawa Electric 
Corporation is prohibited and will void 
Canadian Standards Intrinsically safe and 
nonincendive Certication.
Transmitter
[Intrinsically Safe]
Group IIC, Zone 0
Class I, II, III, Division 1,
Groups A,B,C,D,E,F,G
[Nonincendive]
Class I, II, Division 2,
Groups A,B,C,D,F,G
Class III, Division 1
F0205.ai
Transmitter
[Intrinsically Safe]
Group IIC, Zone 0
Class I, II, III, Division 1,
Groups A,B,C,D,E,F,G
[Nonincendive]
Class I, II, Division 2,
Groups A,B,C,D,F,G
Class III, Division 1
Battery Pack 
Antenna
(*1) 
Arrester
(*1, *2)
*1: These apparatus are simple apparatus.
*2: Arrester may not be connected. 
Antenna Connector
[Installation Diagram] 
Amplifier housing code 7 
Hazardous Area
Battery Pack 
Amplifier housing code 8 and 9
Hazardous Area
Note 3. Battery Pack
•  Use only YOKOGAWA battery pack 
F9915MA or F9915NS .
Note 4. Special Conditions for safe use
•  Potential electrostatic charging hazard - 
secure distance of 100mm from antenna.
2.8.3  ATEX Certication
(1)  Technical Data
Caution for ATEX Intrinsically safe type.
Note 1. Model EJX Series pressure transmitters 
with optional code /KS27 for potentially 
explosive atmospheres:
•  No. KEMA 10ATEX0164 X
•  Applicable Standard:  
EN 60079-0:2009, EN 60079-11:2012,  
EN 60079-26:2007
•  Type of Protection and Marking code:  
Ex ia IIC T4 Ga
•  Group: II
•  Category: 1 G
•  Ambient Temperature: –50°C to 70°C
•  Process Temperature (Tp.): 120°C max.
•  Enclosure: IP66/IP67










