Analytical Technology pH/ORP Transmitter, Q45P/R
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Q45P/R pH/ORP Transmitter

Brand: Analytical Technology Inc
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Analytical Technology pH/ORP Transmitter, Q45P/R Analytical Technology pH/ORP Transmitter, Q45P/R
Measurement and control of pH is important in a wide variety of industries. Water and wastewater, boiler feed water, food processing wash water, chemical plant make-up water and many other aqueous system require reliable pH monitoring.

The pH Transmitter provides the combination of durability, accuracy, and versatility required for virtually any pH monitoring application. 

The ORP Transmitter provides the same reliable monitoring system for Oxidation-Reduction Potential (ORP) applications. 

Q45 pH and ORP Transmitters use “differential” type sensors designed for long life in the most demanding applications. 

Differential sensors are well suited for applications that quickly poison conventional pH or ORP sensors, and can be easily serviced by operators. 

A variety of sensor styles are available to meet almost any application.
Features
  • Differential sensors for long life
  • Loop-powered or battery-operated
  • External 5-17 VDC version for solar power applications
  • Submersion, In-line, or sanitary-style sensors
  • Special High Purity sensor option
  • Adapts to Conventional pH or ORP sensors
  • Large, easy-to-read LCD display
  • Clear, menu-driven user interface
  • NEMA 4X (IP-66) enclosure
  • Wall or pipe mounting bracket standard
  • Built-In PID controller

Specifications

Brand

Display Range

  • pH: 0.00 - 14.00
  • ORP: -1000 to +2000 mv

Accuracy

  • 0.02 pH or 2 mv

Repeatability

  • 0.01 pH or 1 mv

Sensitivity

  • 0.01 pH or 1 mv

Linearity

  • 0.1 % of Scale

Temperature Drift

  • 0.1 % of Span/°C

Sensor Type

  • pH: Series Q25P Differential or Conventional types
  • ORP: Series Q25R Differential or Conventional types

Temperature Input

  • Pt1000 or Pt100 RTD 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 minimum
  • External DC: Two 0-2.5 Vdc, 50K ohms minimum

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

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

Certifications

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

  • Cooling Towers
  • Plating Baths
  • Potable Water Treatment
  • Metals Precipitation
  • Wastewater Treatment
  • Streams & Rivers
  • Chemical Process Control
  • Boiler Feedwater

Documentation

Data Sheets

Brochure

Outline Drawings

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