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Flexim-FLUXUS F831 Permanent Flow Meter Hazardous Areas

Flexim FLUXUS F831 Permanent Flow Meter for Hazardous Areas

Product Description

The Flexim FLUXUS F831 is a dual channel ultrasonic clamp-on flow meter for bi-directional flow measurement of liquids in hazardous areas (ATEX, IECEx Zone 1 and FM Class I, Div. 1 approved). With its explosion proof housing, optional intrinsically safe inputs and outputs and the corrosion resistant transducers residing outside the pipe wall, the FLUXUS F831 series is perfectly suited for every demanding industrial application in and out of the oil field and the chemical industry. The connection and electronics compartments of the FLUXUS F831 are hermetically sealed and the FLUXUS F831 comes with carefully matched and temperature compensated transducers (fully ANSI / ASME MFC 5M compliant) providing unmatched zero-point stability.

Specifications

Accuracy
Measurement uncertainty of the measuring system (volumetric flow rate): ±0.3 % of reading ±0.005 m/s
Measurement uncertainty at the measuring point (volumetric flow rate): ±1.0 % of reading ±0.005 m/s
Repeatability
0.15 % of reading ±0.005 m/s
Range
Flow Velocity Range: 0.01...25 m/s
Certifications/Approvals
FM Class I/Div. 1, FM Class 1/Div. 2, ATEX/IECEx Zone 1
Transducers Available
Shear Wave
Power Supply
100-230VAC, 24DC
Pipe Size
10mm ... 6500mm
Temperature Range
-40°C ... +240°C / WI: -200°C ... +630°C
Output
4-20mA active/passive
4-20mA HART active/passive
4-20mA passive (Ex ia)
pulse/frequency/binary
Input
Temperature (Ex-ia)
4..20mA (Ex-ia activ)

Features

  • Very cost effective: No pipe work, No process shut-down, Virtually maintenance-free
  • Matched, paired and wet calibrated flow transducers (traceable certification to national standards)
  • Excellent zero-point stability and drift-free
  • Wide turndown ratio
  • Independent of pipe size, material, operating pressure, medium and temperature (from as low as -170 °C up to +630 °C)
  • High tolerance to entrained solids and gases
  • Free of wear and tear and abrasion
  • Not prone to clogging or corrosion
  • No pressure loss or risk of potential leaks and fugitive emissions
  • Advanced Meter Verification

Documents & Drawings