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Standards Certification

CRT1-AD04 / CRT1-DA02

Analog I/O Slave Units

NK Certification (Japanese Marine Standards)

Note:

1. The above table lists series names. Ask your OMRON representative for details on specific model numbers.
2. Model certification has not been received for usage on the deck, in the bridge, or in locations subject to strong vibration.
Model certification for the NK (Nippon Kaiji Kyokai） was made according to Chapter 1, Part 7 of Guidance for the Approval and Type Approval of Materials and Equipment for Marine Use.

UL Certifications

Note:

1. The above table lists series names. Ask your OMRON representative for details on specific model numbers.

2. Products that are certified for UL 1604 can be used in hazardous locations for Class I, Div. 2, Groups A, B, C, and D.

Description of Hazardous Locations:
[Class]
　　　Class I: Locations in which flammable gases or vapors may be present in the air in sufficient quantities to be explosive or ignitable.
　　　Class II: Locations in which combustible dust is present.
　　　Class III: Locations in which easily ignitable fibers or flyings are present
　　　but are not airborne in sufficient quantities to ignite.
[Division]
　　　Division 1: Locations in which explosive or ignitable material is normally present or is present at certain times.
　　　Division 2: Locations in which explosive or ignitable material is not normally present (but may accidentally exist).
[Group]
　　　Class I:
　　　Group A: Acetylene
　　　Group B: Combustible gas/vapor, example: hydrogen
　　　Group C: Combustible gas/vapor, example: ethylene
　　　Group D: Combustible gas/vapor, example: propane

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