英国BEKA数字显示表BA 328 E-BL
这些第四代本质安全4/20mA回路供电指示器具有大的高对比度显示器,视角非常宽。在扩展的温度范围内运行,它们包含许多以前仅作为选项提供的标准功能。广泛的热测试和振动测试提供了三年保修期的最大可靠性。
尽管指示器可以很容易地在现场重新校准,但工厂校准或刻度和标签标记不需要额外收费。
Model
|
BA307E
|
BA308E
|
BA327E
|
BA328E
|
|
|
|
#
|
#
|
Mounting &
Enclosure
|
Panel
96 x 48
|
Panel
144 x 72
|
Panel
96 x 48
|
Panel
144 x 72
|
Protection
|
Front IP66, rear IP20
|
Display
|
4 digits
15mm high
|
4 digits
34mm high
|
5 digits
12.7mm high
+ bargraph
|
5 digits
29mm high
+ bargraph
|
Certification
|
International
IECEx
|
Gas - Ex ia IIC T5 Ga -40°C ≤ Ta ≤ +70°C
Dust - Ex ia IIIC T80°C Db IP20 -40°C ≤ Ta ≤ +70°C
|
Europe
ATEX
|
Gas - Group II Category 1G Ex ia IIC T5 Ga -40°C ≤ Ta ≤ +70°C
Dust - Group II Category 2D Ex ia IIIC T80°C Db IP20 -40°C ≤ Ta ≤ +70°C
|
UK
UKEX
|
Gas - Group II Category 1G Ex ia IIC T5 Ga -40°C ≤ Ta ≤ +70°C
Dust - Group II Category 2D Ex ia IIIC T80°C Db IP20 -40°C ≤ Ta ≤ +70°C
|
USA FM &
Canada cFM
|
Entity IS / I / A, B, C, D / T5 Ta = 70°C
I / 0 / AEx ia IIC / T5 Ta = 70°C
Non incendive NI / I / 2 / ABCD / T5 Ta=70°C - NIFW
NI / II / 2 / EFG / T5 Ta=70°C - NIFW
NI / III / 2 / T5 Ta=70°C - NIFW
NI/ I / 2 / IIC / T5 Ta=70°C - NIFW
|
China
CCC Ex
|
Gas - Ex ia IIC T5 Ga -40°C ≤ Ta ≤ +70°C
Dust - Ex ia IIIC T80°C Db IP20 -40°C ≤ Ta ≤ +70°C
|
India
CCOE/PESO
|
Gas - Ex ia IIC T5 Ga -40°C ≤ Ta ≤ +70°C
Dust - Ex ia IIIC T80°C Db IP20 -40°C ≤ Ta ≤ +70°C
|
Optional
|
Alarms
|
Yes
|
Backlight,
which may
be loop or
separately
powered
|
Yes
|
Scalecard
and tag /
application
marking (no
charge)
|
Yes
|