Motorola r750plus 用户指南
Intrinsically Safe Radio Information
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Intrinsically Safe Radio
Information
FMRC Approved Equipment
Anyone intending to use a radio in a location where hazardous concentrations of
flammable material exist (hazardous atmosphere) is advised to become familiar
with the subject of intrinsic safety and with the National Electric Code NFPA 70
(National Fire Protection Association) Article 500 (hazardous [classified]
locations).
flammable material exist (hazardous atmosphere) is advised to become familiar
with the subject of intrinsic safety and with the National Electric Code NFPA 70
(National Fire Protection Association) Article 500 (hazardous [classified]
locations).
An Approval Guide, issued by Factory Mutual Research Corporation (FMRC),
lists manufacturers and the products approved by FMRC for use in such
locations. FMRC has also issued a voluntary approval standard for repair
service (“Class Number 3605”).
lists manufacturers and the products approved by FMRC for use in such
locations. FMRC has also issued a voluntary approval standard for repair
service (“Class Number 3605”).
FMRC Approval labels are attached to the radio to identify the unit as being FM
Approved for specified hazardous atmospheres. This label specifies the
hazardous Class/Division/Group along with the part number of the battery that
must be used. Depending on the design of the portable unit, this FM label can be
found on the back of the radio housing or the bottom of the radio housing.Their
Approval mark is shown below.
Approved for specified hazardous atmospheres. This label specifies the
hazardous Class/Division/Group along with the part number of the battery that
must be used. Depending on the design of the portable unit, this FM label can be
found on the back of the radio housing or the bottom of the radio housing.Their
Approval mark is shown below.
FM
APPROVED