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Flowphant T DTT31, DTT35
Item No.
Process connection versions DTT35
PH
DIN 11851, DN40, PN40 (including coupling nut),
316L
PL
DIN 11851, DN50, PN40 (including coupling nut),
316L
11.5.4
Weight
Approx. 300 g (10.58 oz), depends on process connection and sensor length
11.5.5
Materials
• Process connection AISI 316L
– Surfaces in contact with the process in hygienic version with surface quality Ra ≤
0.8 µm (31.5 µin)
– Coupling nut AISI 304
• AISI 316L housing, with surface quality R
O-ring between housing and sensor module: EPDM
• Electrical connection
– M12 connector, exterior AISI 316L, interior polyamide (PA)
– Valve connector, polyamide (PA)
– M12 connector, exterior 316L
– Cable sheath polyurethane (PUR)
– O-ring between electrical connection and housing: FKM
• Display, polycarbonate PC-FR (Lexan®)
Seal between display and housing: SEBS THERMOPLAST K®
• Keys, polycarbonate PC-FR (Lexan®)
11.6
Certificates and approvals
11.6.1
Electromagnetic compatibility (EMC)
EMC to all relevant requirements of the IEC/EN 61326-series and NAMUR Recommendation
EMC (NE21). For details, refer to the Declaration of Conformity.
Maximum fluctuations during EMC-tests: < 1 % of measuring span.
Interference immunity to IEC/EN 61326-series, requirements for industrial areas
Interference emission to IEC/EN 61326-series, electrical equipment Class B
11.6.2
Hygiene standard
• EHEDG certification, TYPE EL CLASS I. Permitted process connections in accordance with
EHEDG, see ' P rocess connections' section → 39
• 3-A Authorization No. 1144. 3-A Sanitary Standard. Permitted process connections in
accordance with 3-A, see also "Process connections" section
• 3-A marked process connections → 40
Endress+Hauser
Hygiene standard
3-A marked and EHEDG-certified (only with
self-centering sealing ring, as per EHEDG
position paper)
3-A marked and EHEDG-certified (only with
self-centering sealing ring, as per EHEDG
position paper)
≤ 0.8 µm (31.5 µin)
a
Technical data
41
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