INMETRO Hazardous Area Approvals for
Fisherr 4320 Wireless Position Monitor
with On/Off Control Option
This supplement provides INMETRO Hazardous Area Approval information for the 4320 Wireless Position Monitor with
On/Off Control Option instruction manual. Use this in conjunction with information provided in the 4320 Wireless
Position Monitor with On/Off Control Option instruction manual (D103621X012).
National Institute of Metrology, Quality and Technology. INMETRO approval is accepted in Brazil.
Certain nameplates may carry more than one approval, and each approval may have unique installation/wiring
requirements and/or conditions of “safe use”. These special instructions for “safe use” are in addition to, and may
override, the standard installation procedures. Special instructions are listed by approval. Refer to the instruction
manual for all other information regarding the 4320 wireless position monitor.
This information supplements the nameplate markings affixed to the product.
Always refer to the nameplate itself to identify the appropriate certification.
Failure to follow these conditions of “safe use” could result in personal injury or property damage from fire or explosion,
and area re‐classification.
Standards Used for Certification
ABNT NBR IEC 600790:2013
ABNT NBR IEC 60079-11:2013
Battery Sourced Power Module w/out Pneumatic Output
Ex ia IIC T3/T4/T5 Ga
Battery Sourced Power Module with Pneumatic Output
Ex ia IIC T4/T5/T6 Ga
Instruction Manual Supplement
4320 Position Monitor