Revision 1
SLN 700 SmartLine NCR Level Transmitter User’s Manual
Page 15
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 4-2: Hazardous Location Ratings
AGENCY
TYPE OF PROTECTION
IECEx
Intrinsically Safe:
Ex ia IIC T6…T2 Ga
Ex ia IIIC T85
˚
C...T300
˚
C Da
ATEX
Intrinsically Safe:
II 1 G Ex ia IIC T6…T2 Ga
II 1 D Ex ia IIIC T85
˚
C…T300
˚
C Da
Table 4-3: Intrinsic Safety Entity Parameters
Intrinsic Safety
Entity Parameter
4-20mA version
Terminal 1 & 2
RS485 Version
Terminal 1 & 2
RS485 Version
Terminal 4 & 5
Ui
30.6V
26.4V
6.5V
Ii
131mA
166mA
68mA
Pi
1.0W
1.1W
111mW
Ci
0μF
0
0
Li
102μH
102
μ
H
0
Table 4-4: Ambient & Process Temperatures Vs Temperature Class
Transmitter
Ambient
Temperature (
℃
)
Process Temperature
at the Antenna (
℃
)
T class of entire
equipment
-40 to +50
-40 to +50
T6/85
℃
-40 to +60
-40 to +95
T5/100
℃
-40 to +70
-40 to +130
T4/135
℃
-40 to +195
T3/200
℃
-40 to +200
T2/300
℃