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FLXA21 PROFIBUS PA 2-Wire Analyzer

Brand: Yokogawa Electric Corporation

The FLXA21 is a next-generation modular liquid analyzer that can be flexibly configured to measure pH/ORP, contacting conductivity, inductive conductivity, or dissolved oxygen. 

The FLXA21 also supports the installation of up to two sensors of the same type, thereby reducing installation costs and saving space in addition to enabling the configuration of a highly reliable redundant system. 

It has reliable and advanced features and functions such as a touch screen for improved operability, sensor self-diagnosis, maintenance time estimation, and 12 language display options.
Features
  • 4 kinds of measurements; pH/ORP, SC, ISC and DO
  • Dual sensor measurement on 2-wire type analyzer; pH/ORP and pH/ORP, SC and SC, and DO and DO
  • Calculated data from dual sensor measurement
  • Redundant system on dual sensor measurement
  • Connection of digital FU20F pH/ORP SENCOM Sensor
  • Easy touch screen operation on 2-wire type analyzer
  • Simple HMI menu structure in 12 languages
  • Quick setup menu for immediate measurement
  • Indication of sensor wellness
  • Hazardous location approvals – ATEX, IECEx, FM, CSA, NEPSI and KOSHA

Specifications

Accuracy

  • ± 0.3° C (± 0.54° F) - Temperature with Pt1000, 6k8, PTC 10k, NTC 8k55, 3k Balco, PTC500, Pb36, Ni100 for PH/ORP with Analog Sensors, Conductivity
  • ± 0.4° C (± 0.72° F) - Temperature with Pt100, NTC 8k55 for PH/ORP with Analog Sensors, Conductivity
  • ± 0.5 % of Reading - Conductivity, Resistivity
  • ± 1 % of Reading - Conductivity, Resistivity
  • ORP: ± 1 mV - for PH/ORP with Analog Sensor
  • pH: ± 0.01 PH - for PH/ORP with Analog Sensor

Ambient Temperature Range

  • -20° to 55° C (-5° to 130° F) - Operating

Approvals & Certifications

  • ATEX: Intrinsically Safe
  • CE
  • CSA: Intrinsic Safety & Non-Incendive
  • EMC: EN 61326-1 Class A,Table 2 (For use in Industrial Locations), EN 61326-2-3, EN 61326-2-5, AS/NZS CISPR11, RCM: EN 55011 Class A, Group 1, Korea Electromagnetic Conformity Standard Class A
  • FM: Intrinsic Safety & Non-Incendive
  • IEC Ex: Intrinsic Safety
  • NAMUR NE107
  • NEPSI: Intrinsic Safety
  • UL 61010-1, 61010-2-030

Cable Entry

  • 3 Holes, M20 Cable Gland x 3-Pieces

Cable Length

  • 200 feet (60 metres) - Conductivity

Communication

  • HART
  • PROFIBUS PA
  • RS-485 - Bi-Directional Digital Communication between FU20F & FLXA201

Conduit Connection

  • 1/2” NPT Female - Conduit Adapter
  • G 1/2” Female - Conduit Adapter
  • M20 x 1.5 Female - Conduit Adapter

Current

  • Current Draw: 24 mA - Max.

Diameter

  • 0.07” (1.9 mm) - Max.
  • 0.13” to 0.27” (3.4 to 7 mm) - Outer Diameter for Grounding Cable
  • 0.23” to 0.47” (6 to 12 mm) - Outer Diameter for M20 Cable Gland

Display

  • LCD with a Touch Screen (Black/White: 213 x 160 Pixels)

Electrical Connectors

  • M4 Screw Terminal
  • Pin Terminal with Diameter 0.07” (1.9 mm) - Max.
  • Ring Terminal, Width 0.30” (7.8 mm) - Max.
  • Spade Terminal, Width 0.30” (7.8 mm) - Max.

Enclosure Finish

  • Silver Gray (Equivalent to Munsell 3.2PB7.4/1.2) - Case Color
  • Stainless Steel with Epoxy Coating - Hood
  • Stainless Steel with Urethane Coating - Hood

Enclosure, Body Material

  • Plastic (Polycarbonate)

Environmental Protection

  • Hazardous Area
  • Intrinsically Safe
  • IP66 (Except Canada & USA)
  • NEMA 3S (Canada, USA)
  • NEMA 4X (Canada, USA)
  • Non-Incendive

Humidity

  • 0 to 100 % Non-Condensing Relative Humidity - Ambient
  • 10 to 90 % Non-Condensing Relative Humidity at 40° C (104° F)

Input

  • ORP: -1,500 to 1,500 mV - for PH/ORP with Analog Sensors & Digital Sensor
  • pH: 0 to 14 PH - for PH/ORP with Digital Sensor
  • pH: -2 to 16 PH - for PH/ORP with Analog Sensors
  • PTC/NTC Thermistor
  • rH: 0 to 100 RH - for PH/ORP with Analog Sensor & Digital Sensor

Input Impedance

  • Dual High Input Impedance ≥ 10¹² ohms - for PH/ORP with Analog Sensors

Linearity

  • ± 0.01 PH
  • ± 0.4° C (± 0.72° F)
  • ± 1 mV

Materials of Construction

  • Hood & Tag Plate: Stainless Steel

Mounting

  • Panel Mounting Hardware
  • Pipe & Wall Mounting Hardware
  • Universal Mounting Kit

Pressure Range

  • psi: 11.6 to 15.95 (kPa: 80 to 110, bar: 0.8 to 1.1) - Atmosphere Pressure

Repeatability

  • ± 0.1° C (± 0.18° F) - Temperature with Pt1000, 6k8, PTC10k, NTC 8k55, 3k Balco, PTC500, Pt100
  • ORP: ± 1 mV
  • pH: ± 0.01 PH

Response Time

  • 90 % (< 2 Decades) in 7 seconds (of Reading on the Display) - Step Response for Conductivity

RTD Type

  • Ni100
  • Pt100
  • Pt1000

Sensor, Probe Type

  • NTC 8k55
  • NTC30k
  • Pb36 (JIS NTC 6k)
  • PTC10k
  • PTC500

Storage Temperature

  • -30° to 70° C (-22° to 158° F)

Supply Voltage

  • 9-32 Vdc

Temperature Range

  • -10° to 105° C (14° to 221° F) - PH/ORP with Digital Sensor, FU20F PH/ORP SENCOM Sensor
  • -20° to 250° C (-4° to 482° F) - Conductivity
  • -30° to 140° C (-22° to 284° F) - PH/ORP with Analog Sensors

Torque

  • 10.62 In/Lbs (1.2 Nm) - Torque of Screw Up

Window Material

  • Polycarbonate (Flexible)
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