SPECIAL CONDITIONS 2
25
OPTIMASS / 400
www.krohne.com10/2022 - 4003491806- AD OPTIMASS 400 Atex R06 en
2.5.12 OPTIMASS 6000F / 6400C +400°C
OPTIMASS 6000F +400°C with aluminium junction box
OPTIMASS 6000F +400°C with Stainless Steel junction box
VE ab c...i j k l...m n p q r...w
71...79 K 1, 3 or 5 1 T
Ambient temp. T
amb
°C Max.process temp. T
m
°C Temp. class Max. Surface temp. °C
-40...+55 55 T6 - T1 T80
-40...+60 400 T1 T440
-40...+65 70 T5 - T1 T95
105 T4 - T1 T130
170 T3 - T1 T195
265 T2 - T1 T290
375 T1 T400
400
1 T1 T440
Minimum process temperature: T
amb
≥ -35°C T
m
= -50°C, T
amb
<-35°C T
m
= -40°C
1 Use high temperature accessory cable or suitable alternative as specified.
VE ab c...i j k l...m n p q r...w
71...79 K 1, 3 or 5 2 T
Ambient temp. T
amb
°C Max.process temp. T
m
°C Temp. class Max. Surface temp. °C
-40...+55 55 T6 - T1 T80
400 T1 T440
-40...+60 375 T1 T440
-40...+65 70 T5 - T1 T95
105 T4 - T1 T130
170 T3 - T1 T195
265 T2 - T1 T290
315 T1 T340
400
1 T1 T440
Minimum process temperature: T
amb
≥ -35°C T
m
= -50°C, T
amb
<-35°C T
m
= -40°C
1 Use high temperature accessory cable or suitable alternative as specified.