Endress+Hauser Waterpilot FMX21
Hydrostatic Level measurement

Endress+Hauser Waterpilot FMX21

Pressure and level transmitter

Accuracy

0.2%
0.1% (optional)

Process temperature

-10В°C...70В°C
(14В°F...158В°F)
Diameter 29 mm (1.14"): 0В°C...50В°C
(32В°F...122В°F)

Item Number: Waterpilot FMX21
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Robust and impact resistant ceramic membrane probe with HART protocol. Measuring principle: Hydrostatic pressure

Reliable and robust level probe with ceramic measuring cell and HART.

Measuring principle

Hydrostatic pressure

Pressure measuring range

100 mbar...20 bar
(1.5 psi...300 psi)

Main wetted parts

Diameter 22 mm and 42 mm: Seal, 316L, Ceramic
Diameter 29 mm: Seal, PPS, Polyolefin, Ceramic
Extension cable: PE, PUR, FEP

Max. measurement distance

200 m H2O
(656 ft H2O)

Measuring cell

100mbar...20bar
(1.5psi...300psi)

Characteristic

Compact probe with ceramic cell for hydrostatic level measurement,
Diameter = 22 mm: General applications, fresh water
Diameter = 42 mm: Waste water applications
Diameter = 29 mm: Salt water applications

Supply voltage

10.5 ...35V DC

Reference Accuracy

0.2%
0.1% (optional)

Long term stability

0.1% of URL/year

Process temperature

-10В°C...70В°C
(14В°F...158В°F)
Diameter 29 mm (1.14"): 0В°C...50В°C
(32В°F...122В°F)

Ambient temperature

-10В°C...70В°C
(14В°F...158В°F)
Diameter 29 mm (1.14"):
0В°C...50В°C
(32В°F...122В°F)

Measuring cell

100mbar...20bar
(1.5psi...300psi)

Process connection

Suspension clamp
Cable mounting screws

Communication

4...20 mA
4...20 mA HART

Certificates / Approvals

ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI

Marine approvals

GL/ ABS/ BV/ DNV/ LR

Drinking water approvals

NSF/ KTW/ ACS

Measuring principle

Hydrostatic

Characteristic / Application

Compact probe with ceramic cell for hydrostatic level measurement,
Diameter = 22 mm: General applications, Fresh water
Diameter = 42 mm: Waste water applications
Diameter = 29 mm: Salt water applications

Specialities

Automatic density compensation
Version w/o metal parts in contact to process

Supply / Communication

10.5 ...35 VDC

Accuracy

0.2%
0.1% (optional)

Long term stability

0.1% of URL/year

Ambient temperature

-10В°C...70В°C
(14В°F...158В°F)
Diameter 29 mm (1.14"):
0В°C...50В°C
(32В°F...122В°F)

Process temperature

-10В°C...70В°C
(14В°F...158В°F)
Diameter 29 mm (1.14"): 0В°C...50В°C
(32В°F...122В°F)

Pressure measuring range

100 mbar...20 bar
(1.5 psi...300 psi)

Main wetted parts

Diameter 22 mm and 42 mm: Seal, 316L, Ceramic
Diameter 29 mm: Seal, PPS, Polyolefin, Ceramic
Extension cable: PE, PUR, FEP

Process connection

Suspension clamp
Cable mounting screws

Max. measurement distance

200 m H2O
(656 ft H2O)

Communication

4...20 mA
4...20 mA HART

Certificates / Approvals

ATEX, FM, CSA, CSA C/US, IEC Ex, NEPSI

Marine approval

GL/ ABS/ BV/ DNV/ LR

Drinking water approvals

KTW/ NSF/ ACS

Options

Absolute measuring cell
Integrated temperature sensor Pt100, 4-wire
customer specific adjustment
customer specific cable marking

Application limits

Measuring cell: ceramics

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