The Endress+Hauser Waterpilot FMX21 Hydrostatic Level Probe

The Endress+Hauser Waterpilot FMX21 Hydrostatic Level Probe

Order # Endress+Hauser Waterpilot FMX21 Hydrostatic Level Probe

Mfg #

call-regular 800-828-1470
  • Overview
  • Technical Resources
  • Specifications

The Endress+Hauser Waterpilot FMX21 Hydrostatic Level Probe

Order # Endress+Hauser Waterpilot FMX21 Hydrostatic Level Probe
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Overview

Product Highlights

  • Robust overload-resistant high purity ceramic sensor (99.9% Al2O3)
  • Flexible scaling of 4 to 20mA with superimposed HART 6.0 output
  • Highest level accuracy using temperature compensated density correction
  • Simultaneous measurement of level and temperature with optionally integrated Pt100 temperature sensor
  • Extensive range of accessories provides complete measuring point solutions
  • Climate proofed sensor thanks to completely potted electronics and 2-filter pressure compensation system
  • Small outer diameter of 22mm (0.87") version suitable for drinking water applications and for use in bore holes and wells with small diameters

Field of Application

Three different versions for drinking water, wastewater and sewage, saltwater.

  • Process connections: Suspension clamp, cable gland
  • Temperature: –10 to +70°C (14 to 158°F)
  • Measuring range: 0 to 20bar / 200m H20 (0 to 300psi / 600ft H2O)
  • Accuracy: ±0.2%, "Platinum" ±0.1%
  • International explosion protection certificates, marine approvals, drinking water approval

Technical Resources

Endress+Hauser Waterpilot FMX21 Technical Information
Endress+Hauser Waterpilot FMX21 Operating Instructions
Endress+Hauser Waterpilot FMX21 Installation Drawing
Endress+Hauser waterpilot datasheet

Specifications

Continuous/Liquids
Measuring PrincipleHydrostatic
Characteristic / ApplicationCable probe for hydrostatic level measurement,
with ceramic cell
Diameter = 22mm:
General applications, Drinking Water
Diameter = 42mm:
Wastewater applications
Diameter = 29mm:
Salt water applications
Communication via HART
Supply / Communication10.5 ...35V DC

Accuracy0.2%
Option: 0.1%

Long term stability0.1% of URL/year
Ambient temperature-10°C...70°C
(14°F...158°F)
Diameter 29mm (1.14"):
0°C...50°C
(32°F...122°F)
Process temperature-10°C...70°C
(14°F...158°F)
Diameter 29mm (1.14"): 0°C...50°C
(32°F...122°F)
Process pressure absolute / max. overpressure limit40bar (600psi)
Pressure measuring range100mbar...20bar
(1.5psi...300psi)
Main wetted partsDiameter 22mm and 42mm:
Seal, 316L, Ceramic
Diameter 29mm:
Seal, PPS, Polyolefin, Ceramic
Extension cable: PE, PUR, FEP
Process connectionSuspension clamp
Cable mounting screws

Max. measurement distance200m H2O
(656 ft H2O)

Output4...20 mA HART

Certificates / ApprovalsATEX, FM, CSA, IEC Ex, NEPSI, INMETRO
NSF/KTW/ACS
Marine
OptionsAbsolute measuring cell
Integrated temperature sensor Pt100, 4-wire
customer specific adjustment
customer specific cable marking

SpecialitiesAutomatic density compensation
Version w/o metal parts in contact to process
Measuring cell: ceramics
Pressure
Measuring PrincipleHydrostatic
CharacteristicCable probe for hydrostatic level measurement,
with ceramic cell
Diameter = 22mm:
General applications, Drinking Water
Diameter = 42mm:
Wastewater applications
Diameter = 29mm:
Salt water applications
Communication via HART
Supply voltage10.5 ...35V DC

Reference Accuracy0.2%
Option: 0.1%

Long term stability0.1% of URL/year
Process temperature-10°C...70°C
(14°F...158°F)
Diameter 29mm (1.14"): 0°C...50°C
(32°F...122°F)
Ambient temperature-10°C...70°C
(14°F...158°F)
Diameter 29mm (1.14"):
0°C...50°C
(32°F...122°F)
Measuring cell100mbar...20bar
(1.5psi...300psi)
Max. overpressure limit40 bar (580psi)
Diameter = 29mm:
25 bar (362psi)
Process connectionSuspension clamp
Cable mounting screws

Output4...20 mA HART

Certificates / ApprovalsATEX, FM, CSA, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI
GL/ ABS/ LR/ BV/ DNV Marine
NSF/ KTW/ ACS drinking water

OptionsAbsolute measuring cell
Integrated temperature sensor Pt100, 4-wire
Customer specific adjustment
Customer specific cable marking