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
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