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KROHNE OPTIMASS / 400 - Page 21

KROHNE OPTIMASS / 400
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SPECIAL CONDITIONS 2
21
OPTIMASS / 400
www.krohne.com10/2022 - 4003491806- AD OPTIMASS 400 Atex R06 en
OPTIMASS 6400C with Stainless Steel converter housing
VE ab c...i j k...m n p q r...w
71...79 K 0 0 or 1
Ambient temp. T
amb
°C Max process temp. T
m
°C Temp. class Max. surface temp. °C
-40...+30 230 T2 - T1 T270
-40...+35 210 T2 - T1 T250
-40...+40 40 T6 - T1 T80
155 T3 - T1 T195
180 T2 - T1 T220
-40...+45 150 T3 - T1 T190
-40...+50 120 T3 - T1 T160
-40...+55 55 T5 - T1 T95
90 T4 - T1 T130
-40...+60 60 T4 - T1 T100
Minimum process temperature: T
amb
≥ -35°C T
m
= -50°C, T
amb
<-35°C T
m
= -40°C
Table 2-6: