Calex ExTemp Series Operatör El Kitabı - Sayfa 3

Sıcaklık Kontrolörü Calex ExTemp Series için çevrimiçi göz atın veya pdf Operatör El Kitabı indirin. Calex ExTemp Series 17 sayfaları. Intrinsically safe infrared temperature sensor and lct loop configuration tool

Sayfayı Yazdır
Zone
Description
Gas
0
Explosive gas air mixture continuously present.
1
Explosive gas air mixture likely to occur in normal
operation.
2
Explosive gas air mixture not likely to occur, and if it does
it will only exist for a short time.
Dust
20
Explosive atmosphere in the form of a cloud of
combustible dust in air is continuously present, or for long
periods or frequently.
21
Explosive atmosphere in the form of a cloud of
combustible dust in air is likely to occur occasionally in
normal operation.
22
Explosive atmosphere in the form of a cloud of
combustible dust in air is not likely to occur in normal
operation, but if it does occur, will only persist for a short
period.
Table 1: Gas and Dust Zones in which the ExTemp may be used
Group
Definition
Gas
IIA
e.g. Propane
IIB
e.g. Ethylene
IIC
e.g. Hydrogen
Dust
IIIA
Combustible flyings
IIIB
Non-conductive dusts
IIIC
Conductive dusts
Table 2: Gas and Dust Groups in which the ExTemp is suitable for use
Gas Ignition Temperature
450 °C
300 °C
200 °C
135 °C
100 °C
85 °C
Table 3: Gas ignition temperature classifications to which the ExTemp conforms
Classification
T1
T2
T3
T4
T5
T6
Supported?
Supported?
Supported?
NO
NO
3