Hazardous Location - Intrinsic Safety; Table 4-2: Hazardous Location Ratings; Table 4-3: Intrinsic Safety Entity Parameters; Table 4-4: Process Temperature Vs Temperature Class - Honeywell SmartLine SLN 700 Series User Manual

4.4 Hazardous Location – Intrinsic Safety
The hazardous location approved models of the product include intrinsically safe version. The
working ambient temperature of the transmitter is (-25~80 ° C). Under normal or fault
conditions, the max temperature at any part of the surface will not exceed the values according
to Table 4-4.
AGENCY
Intrinsic Safety
Entity Parameter
Ui
Ii
Pi
Ci
Li
Table 4-4: Ambient & Process Temperatures Vs Temperature Class
Transmitter
Ambient
Temperature (℃)
-40 to +50
-40 to +60
-40 to +70
Revision 1

Table 4-2: Hazardous Location Ratings

IECEx
ATEX
II 1 D Ex ia IIIC T85˚C...T300˚C Da

Table 4-3: Intrinsic Safety Entity Parameters

4-20mA version
Terminal 1 & 2
30.6V
131mA
1.0W
0μF
102μH
Process Temperature
at the Antenna (℃)
-40 to +50
-40 to +95
-40 to +130
-40 to +195
-40 to +200
SLN 700 SmartLine NCR Level Transmitter User's Manual
TYPE OF PROTECTION
Intrinsically Safe:
Ex ia IIC T6...T2 Ga
Ex ia IIIC T85˚C...T300˚C Da
Intrinsically Safe:
II 1 G Ex ia IIC T6...T2 Ga
RS485 Version
Terminal 1 & 2
26.4V
166mA
1.1W
0
102μH
RS485 Version
Terminal 4 & 5
6.5V
68mA
111mW
0
0
T class of entire
equipment
T6/85℃
T5/100℃
T4/135℃
T3/200℃
T2/300℃
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