SPECIAL CONDITIONS 2
23
OPTIMASS / 400
www.krohne.com10/2022 - 4003491806- AD OPTIMASS 400 Atex R06 en
OPTIMASS 6400C cryogenic with aluminium converter housing, with insulation
OPTIMASS 6400C cryogenic with Stainless Steel converter housing, without insulation
OPTIMASS 6400C cryogenic with Stainless Steel converter housing, with insulation
VE ab c...i j k l...m n p q r...w
71...79 K 2 0 C or D
Ambient temp. T
amb
°C Min. process temp. T
m
°C
-35...+65 -140
-30...+65 -200
For max. process temperature, temp. class and max. surface temperature, see table 2-5
VE ab c...i j k l...m n p q r...w
71...79 K 0 0 C or D
Ambient temp. T
amb
°C Min. process temp. T
m
°C
-35...+60 -70
-30...+60 -100
-20...+60 -160
-15...+60 -180
-10...+60 -200
For max. process temperature, temp. class and max. surface temperature, see table 2-6
VE ab c...i j k l...m n p q r...w
71...79 K 2 0 C or D
Ambient temp. T
amb
°C Min. process temp. T
m
°C
-35...+60 -120
-30...+60 -200
For max. process temperature, temp. class and max. surface temperature, see table 2-6