Analytical Technology Toroidal Conductivity Monitor, Q45CT
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Q45CT Toroidal Conductivity Monitor

Brand: Analytical Technology Inc
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ATi’s Q45CT Toroidal Conductivity Transmitter is designed for on-line water quality monitoring of chemically aggressive process solutions. 

ATi’s Q45CT Toroidal Conductivity system is well suited for aggressive chemical processes, water applications that coat or foul traditional sensors and plating bath operations, where high current densities are present.

The sensor consists of two metallic ribbon coils that are fixed in place by the sensor jacket material. 

The drive coil is used to induce a current in the process solution. 

The second sensing coil is used to measure the current in the process solution, the magnitude of this current is proportional to the conductivity of the process solution.

The Q45CT is also available as a Concentration Monitor. 

The conductivity monitor comes with concentration / temperature tables for sodium hydroxide, potassium hydroxide, hydrochloric acid, nitric acid, and sulfuric acid. 

A user configurable table is also available for entering data points for a custom concentration curve.
Features
  • Measurement from 0-2000 uS to 0-2.000 S
  • Loop-powered or battery-operated
  • External 5-17 VDC version for solar applications
  • Large, easy-to-read LCD display
  • Total Dissolved Solids (TDS) on secondary display
  • Clear, menu-driven user interface
  • NEMA 4X (16-66) enclosure
  • Wall or pipe mounting bracket standard Build-in PID controller

Specifications

Brand

Display Range

  • 0-2000 µS
  • 0-2.000, 0-20.00, 0-200.0, 0-2000 mS
  • 0-2.000 S

Accuracy

  • 0.5 % of Selected Range

Repeatability

  • 0.2 % of Selected Range

Sensitivity

  • 0.05 % of Selected Range

Linearity

  • 0.1 % of Selected Range

Temperature Drift

  • 0.04 % of Span/°C

Sensor Type

  • Toroidal

Temperature Input

  • Pt1000 in Sensor for Temperature Compensation

Power

  • 2-Wire Unit: 17-30 Vdc, 25 mA Max.
  • Battery Unit: Two AA alkaline Batteries
  • External DC: 5-17 Vdc, 10 mA Max.

Analog Outputs

  • 2-Wire Unit: Single 4-20 mA DC, 450 ohms Max.
  • Battery Unit: Two 0-2.5 Vdc, 50K ohms Min.
  • External DC: Two 0-2.5 Vdc, 50K ohms Min.

Output Isolation

  • 600 V Galvanic Isolation

Enclosure

  • NEMA 4X (IP-66) Polycarbonate, V-0 Flammability

Mounting Options

  • Wall or Pipe Mounting Bracket Supplied

Conduit Entries

  • Two PG-9 Cord Grips, 0.16-0.31 Diameter Cable

Ambient Temperature

  • Operating: -40° to + 60° C
  • Storage: -40° to + 70° C

Ambient Humidity

  • 0-95 %, Non-Condensing

Size

  • 4.4”H x 4.4”W x 3.5”D (111 x 111 x 90 mm)

Weight

  • Battery Unit: 2 lbs (0.9 Kg)
  • 2-Wire or External DC Unit: 1 lb (0.45 Kg)

Certifications

  • CE marked to BS EN 61326-1:2006 Standard
  • UL and CSA General Purpose

Sensor Wetted Materials

  • Noryl

Sensor Cable

  • 20 ft. (6.1 m) Standard, Max. 200 ft. (61 m)

Sensor Response Time

  • Two Seconds to 90 % of Full Scale

Sensor Temperature Limits

  • 0 - 105° C

Sensor Pressure Limit

  • 150 psig

Sensor Process Connection

  • 3/4” MNPT Rear Thread, Optional 2” Keyed Tee Fitting

Sensor Temperature Element

  • PT1000 RTD

Sensor Minimum Conductivity

  • 100 microSiemens

  • Cooling Towers
  • Plating Baths
  • Acid & Base Dilution
  • Salt Water Aquariums
  • Brine Systems
  • Processing Wastewater
  • Streams & Rivers
  • Salt Water Intrusion

Documentation

Outline Drawings

Specifications

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