6  OI/FEP610/FEH610-EN Rev. B | ProcessMaster FEP610, HygienicMaster FEH610 
 
2  Function and System Design 
2.1  Overview 
2.1.1  ProcessMaster 
Integral mount design  Remote mount design 
 
Fig. 1:  Designs 
1 Flowmeter sensor, Design Level A (DN 3 … 2000)  2 Flowmeter sensor, Design Level B (DN 25 … 600)  3 Remote transmitter 
 
Flowmeter sensor 
Model  ProcessMaster FEP611, FEP612 
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 rating 
PN 10 … 40; ASME CL 150, 300; JIS 10K 
Nominal diameter 
DN 3 ... 2000 (1/10 “ ... 80 “) 
Process connection  Flange
1)
 according to DIN, ASME, JIS 
Process connection material   Steel, cast iron, stainless steel 
Liner material  Hard rubber (DN 15 ... 2000), soft rubber (DN 50 ... 2000), PTFE (DN 10 ... 600), PFA (DN 3 ... 200), 
ETFE (DN 25 ... 600) 
Electrode material  Stainless steel, 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 
Further approvals 
At www.abb.com/flow or on request. 
 
1)  For information on flange thicknesses, see the chapter "Dimensions" in the Datasheet. 
 
   
G12001
12 312
FEP611 FEP611 FEP612 FEP612 FET612