ProcessMaster FEP610, HygienicMaster FEH610 | OI/FEP610/FEH610-EN Rev. B  7 
 
2.1.2  HygienicMaster 
Integral mount design  Remote mount design 
 
Fig. 2:  Designs 
1 Flowmeter sensor  2 Remote transmitter 
 
Flowmeter sensor 
Model  HygienicMaster FEH611, FEH612 
Housing  Integral mount design, remote mount design 
Measuring accuracy for liquids 
0.5 % of measured value 
Permissible measuring medium 
temperature T
medium
 
-25 ... 130 °C (-13 ... 266 °F) 
Minimum conductivity 
> 20 µS/cm (20 µS/cm for demineralized water) 
Nominal pressure 
PN 10 … 40, ASME CL 150, 300, JIS 10K 
Nominal diameter 
DN 3 ... 100 (1/10 “ ... 4 “) 
Process connection 
Wafer type design: 
Flange in acc. with DIN, ASME or JIS: 
Threaded pipe connection in acc. with DIN 11851
1)
: 
Weld stubs
1)
: 
Tri-Clamp in acc. with DIN 32676
1)
: 
Tri-Clamp in acc. with ASME BPE
1)
: 
External thread in acc. with ISO 228 / DIN 2999: 
DN 3 ... 100 (1/10 ... 4“) 
DN 3 ... 100 (1/10 ... 4“), PN 10 ... 40 
DN 3 ... 100 (1/10 ... 4“), PN 10 ... 40 
DN 3 ... 100 (1/10 ... 4“), PN 10 ... 40 
DN 3 ... 100 (1/10 ... 4“), PN 10 ... 16 
DN 3 ... 100 (1/10 ... 4“), PN 10 
DN 3 ... 25 (1/10 ... 1“), PN 16 
Process connection material  Stainless steel 
Liner material  PFA (vakuum tight) 
Electrode material  CrNi steel 1.4571 (AISI 316Ti), 1.4539 [904L], Hastelloy B, Hastelloy C, platinum-iridium, tantalum, titanium 
IP rating 
Integral mount design: IP 65 / IP 67 
Remote mount design: IP 65 / IP 67 / IP 68 (sensor only) 
 
Approvals   
Pressure Equipment Directive 
2014/68/EU 
Conformity assessment in accordance with category III, fluid group 1 
CRN (Canadian Reg.Number)  On request 
Hygienic design approvals 
3A, FDA-approved materials 
Further approvals 
At www.abb.com/flow or on request. 
 
1) 3A approved 
 
   
G12002
2
1
1
FEH611
FEH612 FET612