Berthold LB 4700 - Page 121

6 Safety Instructions Safety Manual / Explosion Protection Manual
12
56926BA26, Rev. 06, 04/2019
Class, Divisions: "DIP"/"XP"
Variants
CrystalSENS:
LB 4700-1x-Fx
UniSENS: LB 4700-2x-Fx
Super-SENS: LB 4700-3x-
Fx
Signal Circuits
Not Intrinsically Safe
Explosion Protection Concept of the Compartments
All Compartments
DIP (Dust Ignition Proof)
XP (Explosion Proof)
Ambient Temperature
Temperature class
1)
(T
a
max.) /
max. surface temperature
T6 (T
a
≤ +75 °C) / 80 °C T6 (T
a
≤ +65 °C) / 80 °C
NEC – Class I, Division 1&2
Groups
A,B,C,D
T
a
min. -50 °C -40 °C
NEC – Class II/III, Division 1&2
Groups
E,F,G
T
a
min. -40 °C
CEC – Class I, Division 1&2
Class I, Division 1&2
B,C,D
T
a
min. -50 °C -40 °C
CEC – Class II/III, Division 1&2
Groups
E,F,G
T
a
min. -40 °C
Protection Principle
"DIP"/"XP"
1) Temperature Class: Equipment Temperature Class and Installation Temperature Class
NOTICE
Please note that the detector can be damaged in case of failure of the water
cooling system at an ambient temperature greater than 60 °C.