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2 6 6 D D S H A R T | P R E S S U R E T R A N S M I T T E R S | O I/ 2 6 6 D D S - E N R E V. B
. . .10 Hazardous Area considerations
. . .Hazardous atmospheres
Electrical parameters (entities)
Transmitter with or without LCD display
Ui= 30 Vdc Ci= 5 nF Li= 10 μH
Temperature
Temperature
Class - Gas
Class - Dust
T4
T135 °C
T4
T135 °C
T5
T100 °C
T6
T85 °C
Ex Safety aspects and IP protection
(North America)
Applicable standards
According to FM Approvals Standards which can assure
compliance with Essential Safety Requirements.
FM 3600
Electrical Equipment for use in Hazardous (Classified)
Locations, General Requirements
FM 3610
Intrinsically Safe Apparatus and Associated Apparatus for
Use in Class I, II, III, Division 1, and Class I, Zone 0 & 1
Hazardous (Classified) Locations.
FM 3611
Nonincendive Electrical Equipment for Use in Class I and II,
Division 2 and Class III Division 1 and 2 Hazardous
(Classified) Locations
FM 3615
Explosionproof Electrical Equipment
FM 3810
Electrical and Electronic Test, Measuring and Process
Control Equipment
NEMA 250
Enclosure for Electrical Equipment (1000 Volts Maximum)
Minimum
Maximum
Imax
amb . °C
amb . °C
mA
-50 °C
+60 °C
100
-50 °C
+60 °C
160
-50 °C
+56 °C
100
-50 °C
+44 °C
50
Classifications
The 2600T Series pressure transmitters have been certified by
FM Approvals for the following Class, Divisions and Gas groups,
hazardous classified locations, temperature class and types of
Power
protection.
W
• Explosionproof (US) for Class I, Division 1, Groups A, B, C
0.75
and D, hazardous (classified) locations.
1
• Explosionproof (Canada) for Class I, Division 1, Groups B, C
1.75
and D; T5, hazardous (classified) locations.
0.4
• Flameproof (US): Class I, Zone 1 AEx d IIC T4 Gb, hazardous
(classified) locations.
• Flameproof (Canada): Class I, Zone 1 Ex d IIC T4 Gb,
hazardous (classified) locations.
• Dust Ignition proof for Class II, Division 1, Groups E, F, G,
Class III Division 1; T5, hazardous (classified) locations.
• NonIncendive for Class I, Division 2, Groups A, B, C and D,
in accordance with Nonincendive field wiring requirements
for hazardous (classified) locations.
• Energy limited (US): Class I, Zone 2 AEx nC IIC T6...T4,
in accordance with Nonincendive field wiring requirements
for hazardous (classified) locations.
• Energy limited (Canada): Class I, Zone 2 Ex nC IIC T6...T4,
in accordance with Nonincendive field wiring requirements
for hazardous (classified) locations.
• Intrinsically Safe for use in Class I, II and III, Division 1,
Groups A, B, C, D, E, F, and G,
Class I, Zone 0 AEx ia IIC T6...T4 (US)
Class I, Zone 0 Ex ia IIC T6...T4 (Canada)
in accordance with Entity requirements for hazardous
(classified) locations.
• Temperature class T4 to T6 (dependent on the maximum
input current and the maximum ambient temperature).
• Ambient Temperature range -40°C to +85°C (dependent on
the maximum input current and the maximum
temperature class).
• Electrical Supply range Minimum 12 Volts, Maximum 42
Volts (dependent on the type of protection, maximum
ambient temperature, maximum temperature class and
communication protocol).
• Type 4X, IP66, IP67 applications Indoors/Outdoors.
For a correct installation in field of 2600T Series pressure
transmitters please see the related control drawing.
Note that the associated apparatus must be FM approved.
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