Introduction – KROHNE OPTISONIC 3400 CSA EN User Manual

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INTRODUCTION

OPTISONIC 3400

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10/2013 - 7313222100 - AD CSA OPTISONIC 3400 -en- R01

The instruments are in accordance with the following North-American standards:

United States of America:

• FM Class 3600:2011:Electrical equipment used in hazardous (classified) locations. General

requirements.

•

FM Class 3610:2010:Intrinsically safe apparatus and associated apparatus for use in Class I,
II and III, Division 1 hazardous (classified) locations.

•

FM Class 3615:2006:Explosionproof Electrical Equipment. General requirements.

• FM Class 3810:2005:Electrical and electronic test, measuring and process control

equipment.

Canada:

• C22.2 No. 0.4-M1982 (1993):Bonding and grounding of electrical equipment (protective

grounding), Canadian Electrical Code, Part II.

• C22.2 No. 30-M1986 (2003):Explosion-proof enclosures for use in Class I hazardous locations.
•

C22.2 No. 157-92 (1997):Intrinsically safe and non-incendive equipment for use in hazardous
locations.

1.4 OPTISONIC 3400 C(/i)-DIV1

The OPTISONIC 3400 C(/i)-DIV1 is the compact configuration of the UFC 400 ultrasonic signal
converter and the OPTISONIC 3000 ultrasonic flow sensor. It provides the ultrasonic transducers
in the flow sensor with intrinsically safe signals, which are only internal circuits. The flow
converter is provided with non-incendive or intrinsically safe in-/outputs, indicated by an "i" in
the type name and listed as OPTISONIC 3400 C/i- DIV1.

The in-/outputs and mains supply connections are located in the terminal compartment,which
can either be configured as non-incendive (installation in a Division 2 location) or explosion-
proof (installation in a Division 1).

The hazardous locations marking is as follows:

INFORMATION!
Additional drawings for cCSAus and FM (ao. examples for nameplates, schematic diagrams, I/O
connections) are part of scope of the delivery. For more info see the applicable sections in this
manual.

USA

Class I, DIV1, Gps ABCD, Class II, DIV1, Gps EFG, Class III, DIV1

Canada

Class I, DIV1, Gps CD, Class II, DIV1, Gps EFG, Class III, DIV1 b