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Home > Water Quality Products > Model Q40CT Toroidal Conductivity Monitor
Model Q40CT Toroidal Conductivity Monitor from Analytical Technology
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The Model Q45CT toroidal conductivity system is designed for on line monitoring of chemically aggressive process solutions. This blind, analog version is ideally suited for applications where reliable instrumentation is critical and economy of installation is essential.
Toroidal sensors are available in polypropylene, Kynar and PEEK to ensure sensor wetted materials are chemically resistant to process chemicals. Sensor material is also non-conductive, thereby isolating the sensor from electrical noise and ground loops that can influence the integrity of the measurement.
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Sensors can be submersion mounted for easy installation in open tanks or pipe mounted in the optional 2" tee fitting, which is keyed to the sensor for proper alignment. Tee fitting materials is either polypropylene or 316 stainless steel. For larger pipe diameters, the sensor can be insertion mounted through a 1 1/2" NPT ball valve for easy retraction.
The Q45CT is also available as a Concentration Monitor. The monitor comes with concentration/temperature table 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.
The ATI Model Q45CT toroidal conductivity system is well suited for aggressive chemical processes, water application that coat or foul traditional sensors, and plating bath operations where high current densities are present.
Specifications - Monitor
| Measuring Range |
0-1000 microSiemens, minimum
0-1,000,000 microSiemens maximum |
| Repeatability |
+/- 0.2% or selected range |
| Sensitivity |
+/- 0.1% of selected range or 10 mS whichever is greater |
| Non-Linearity |
+/- 0.5% of selected range |
| Zero Drift |
<1% of span per month, noncumulative |
| Temperature Drift |
0.08% of range/°C span or zero |
| Stability |
0.2% of range per 24 hours, noncumulative |
| Power |
16-35 VDC, loop powered unit |
| Max Sensor to Analyzer Distance |
200 feet |
| Temperature Input |
Pt1000 RTD with automatic compensation, adjustable from 0.0 to 4.0%/°C |
| Insertion Loss |
16 VDC |
| Conduit Openings |
3 PG-9 openings, cord grips included |
| Temperature |
-20 to 60°C |
| Humidity |
0-95% RH, non-condensing |
| Weight |
1 pound |
| Enclosure |
NEMA 4X (IP-66) polycarbonate, wall, panel or pipe mount (steel hardware), weather proof and corrosion resistant |
Specifications - Sensors
| Sensor |
Toroidal electrode |
| Wetted Materials |
Polypropylene, Kynar or PEEK |
| Sensor Cable |
20 feet standard, 200 feet maximum |
| Response Time |
90% in 2 seconds |
| Temperature Element |
Pt1000 RTD |
| Temperature Limits |
0 -105°C |
| Pressure Limits |
0-150 psig |
| Process Connection |
3/4" MNPT rear thread, optional 2" keyed tee fitting |
| Minimum Conductivity |
500 microSiemens |
Ordering Information
For pricing please call AFC International at 800-952-3293, 219-987-6825 or fax 219-987-6826 or email sales@afcintl.com.
Downloads
 Q45CT Toroidal Conductivity Monitor datasheet
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Features
Loop Powered Version: Transmitter is powered by 16-35 VDC via a twisted pair, which also carries analog output signal
Selectable Measuring Range: User selects system measuring range to improve resolution of output signal. Measuring range options are minimum 0-1000 microSiemens to a maximum or 0-1,000,000 microSiemens.
Easy Calibration: Easily accessible controls for adjusting system offset and span.
Automatic Temperature Calibration: Temperature response curve is user adjustable ti improve measurement accuracy.
NEMA 4X Enclosure: Polycarbonate enclosure is weather proof and corrosion resistant to protect electronics from environmental influence.
Multiple Monitoring Configuration: Universal mounting bracket allows for wall, pipe, DIN rail, handrail and panel mounting options.
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