ABB WaterMaster - Wetted parts; Electrode material; Installation conditions (recommended); Pressure loss

Electromagnetic Flowmeter
WaterMaster 6 Specification
40 IM/WM Issue 7
Sensor – Functional Specification
Pressure limitations
As per flange rating – non approved
PN16 for OIML R49 Approved
Temperature limitations
Environmental protection
Rating: IP68 (NEMA 6) to 10m (33 ft) depth with fully-potted
terminal box
Conductivity
>5µS cm
–1
Transmitter mounting
Integral or remote
Electrical connections
20 mm glands
1
/2 in NPT
20 mm armored glands
Sensor cable
ABB WaterMaster cable available in two forms – standard and armored
Maximum length 200 m (660 ft)
Sensor – Physical Specification
Wetted Parts
Lining material
Polypropylene (sizes DN40 to 200 [1
1
/2 to 8 NB])
Elastomer (sizes DN250 to 2200 [10 to 84 NB])
WRAS listed, NSF61 approved (DN40 to 200)
Electrode material
Stainless steel 316 L
Hastelloy
®
C-22
(Other electrode materials available on request)
Grounding rings
Optional
Protection plates
Not required
Installation conditions (recommended)
Upstream ≥ 5D
Downstream ≥ 0D
Pressure loss
<0.25 bar at Q3 (sizes DN40 to 200 [1
1
/2 to 8 NB])
Negligible at Q3 (sizes DN250 to 2200 [10 to 84 NB])
Ambient temperature
Remote transmitter
Integral transmitter
–20 to 70 °C (–4 to 158 °F)
–20 to 60 °C (–4 to 140 °F)
Process temperature –6 to 70 °C (21 to 158 °F) – non approved
0.1 to 50 °C (32.2 to 122 °F) – OIML R49 T50
Approved