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QI450 Q45P PH TRANSMITTER

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PEEK housing and cord grip - PEEK is a high-end thermoplastic renowned for its chemical resistance
Sensor and Transmitter (General) Features
  • PEEK housing and cord grip - PEEK is a high-end thermoplastic renowned for its chemical resistance and mechanical strength. The cord grip is a significant feature because it helps to protect the sensor¡¯s internal components.
  • Many competitors use a simple rubber or polyethylene jacket on the back of the sensor, or simply leave the back end of the sensor exposed, making the sensor more susceptible to failure
  • Pt1000 RTD - The temperature element used in Quantum sensors is highly accurate and provides a highly linear output. This is one of the best available temperature compensation devices
  • Integral Preamplifier - In all parameters except conductivity, the sensor contains a preamplifier that enables a maximum sensor-to-transmitter distance of up to 1000 feet for D.O., and 3000 feet for pH and ORP
  • Dual O-ring seals - all seals use 2 o-rings made of 2 different materials (Viton, EDPM). This adds to the chemical resistance of the sensor
  • Transmitter (General)
  • Microprocessor-based, loop-powered - output signal is 4-20 mA
  • Large, high contrast display - custom display includes 2 lines of data; display messages are in clear language (no ¡°Error Codes¡± to look up in a manual)
  • Security Lock - Prevents unauthorized tampering with settings. All settings can be viewed while locked, but they cannot be changed
  • Universal mounting bracket - transmitter can be mounted to a wall, DIN rail, panel, pipe, or directly on the back of the sensor
  • Fully isolated - protected from surge and brownout.
 
System Feautres, Ph and ORP
  • High Volume Saltbridge - maximizes the service life of the sensor by minimizing rate of contamination of the reference solution. The saltbridge is replaceable
  • A second pH reference electrode is reference element of the sensor. This is what makes the Quantum sensor better than the ¡°combination-style¡± sensors on the market: the reference element is protected from chemical attack
  • Electrode breakage diagnostic
  • Transmitters can be used with other ¡°combination-style¡± sensors. This is the one area in which there is compatibility with competitive sensors.
  • If the application is such that the customer requires a cheap disposable sensor, etc., our pH and ORP transmitters will function with those as well
 
D.O. System Features
  • 3-electrode Polarographic sensor - best technology for long-term measurement stability
  • Replaceable electrolyte cartridge - cartridge contains electrodes, electrolyte and membrane. Cumbersome membrane replacement is unnecessary
  • Membrane tear diagnostic
  • Conductivity System
  • 4-electrode sensor type - greater accuracy than 2-electrode type, also enables precise monitoring even as electrodes are coated with chemical deposits
  • Titanium electrodes - greater chemical resistance
  • Electrode coating/fouling diagnostic
  • Selectable manual or automatic ranging
 
 
CAT NO. MODEL DEscRIPTION AVAIL PRICE 
QI450   Q45PNNSSNN   Q45P PH TRANSMITTER   Yes   1,458,000
QI250   Q25P1NN111S   Q25P pH SENSOR   Yes   1,188,000
QI451   Q45RNNSSNN   Q45R ORP TRANSMITTER   Yes   1,242,000 
QI452   Q45C4NSSNN   Q45C CONDUCTIVITY TRANSMITTER   Yes   1,501,200 
QI252   Q25C4AN111S   Q25C CONDUCTIVITY SENSOR   Yes   853,200 
QI453   Q45DNNSSNN   Q45D DISSOLVED OXYGEN TRANSMITTER   Yes   1,501,200 
QI700   Q25D1NN111S   Q25D DISSOLED OXYGEN SENSOR   Yes   1,458,000