531 Axminister Drive
Fenton,  MO  63026-2903

United States
  • Booth: 6569

Custom Sensors & Technology has been innovating in process analytics for over 39 years.  We provide customers with online analyzers for many applications including:  Oil in Water, H2S Monitoring and Removal, BTEX, Fuel Dyes, Turbidity, Water in Fuel, Silica, Water Hardness, and many more.  We also manufacture a complete line of probes, flow cells, and insertion tools to be used in conjuction with our analyzers. 


  • PX2+ Photometric Transmitter
    The PX2+ is designed for use in continuous process monitoring applications in a variety of industries. It is a highly sensitive and easy to use instrument capable of making absorbance or fluorescence measurements while producing results in real-time....


    • Wavelength Range: 185-2600nm
    • Precision/Accuracy: 1% of full scale or better
    • Light Source: LED, Flash Lamp
    • Detector: PMT, Si Photodiode, InGaAs Photodiode
    • Display:  3.2″ Capacitive Touch Screen Display
    • Alarms: Contact Closure (60 VDC, 0.75 A max.)
    • Analog Output: 4-20 mA, isolated
    • Analog Loop Resistance: 500 ohms @ 24 VDC
    • Digital Output: USB-B, RS-485 (Modbus)
    • Power Consumption: 8.5 watts (max.)
    • Power Requirements: 24 VDC nominal  (12-48 VDC)
    • Enclosure Material: Aluminum
    • Size: 2.8” H x 4.5” W x 9.5” L
    • Temperature: 5-55C
    • Weight: 3.5 lbs. (1.6kg)
  • Automated Extraction System (AES) - Oil in Water
    The AES performs a fully automated liquid-liquid extraction to eliminate background interference in the sample and provides accurate measurements of oil concentrations in water....


    • Accurately measures the concentration of oil in water while producing results in real-time.
    • Utilizes liquid-liquid extraction to eliminate background interference in the sample.
    • Easy calibration Auto-Tune feature automatically optimizes the measurement setting.
    • Standard data outputs include MODBUS, 4-20mA, and USB to CST software.
    • Low COO with no routine mainentance. 


    • Method: Fluorescence via liquid-liquid extraction
    • Range: 0-100 ppm to 0-45,000 ppm (configurable)
    • Repeatability: ± 1% of full scale or better
    • Output: on-board display, isolated 4-20mA, RS-485 (Modbus)
    • Alarm: N.O. relay 60 VDC/0.75A max
    Operating Conditions
    • Ambient Temperature: 41-122F (5-50C)
    • Process Temperature: 41-122F (5-50C)
    • Process Pressure: 100 PSI max
    Utility Requirements
    • Power Required: 88-132 VAC/176-264 VAC, 50/60Hz
    • Power Consumption: 120W max
    • Instrument Air: 100-110 PSI; 1 cfm max
    • Enclosure: 304 Stainless Steel
    • Dimensions: 20″ x 10″ x 50″ (50.8 cm x 25.4 cm x 127 cm)
    • Weight: 180 lbs. (81.6 kg)
  • RS-1 Colorimetric Analyzer
    The RS-1 is designed to perform fully automated colorimetric measurements and deliver the product of the chemical reaction to an analysis cell. An absorbance measurement is performed to determine the concentration of the solution in the analysis cell....

  • The RS1 is designed to automatically perform colorimetric ion exchange measurements in a process setting.  The system first retrieves a known volume of sample from a stream and mixes the sample with known volumes of up to 3 reagents in succession.  After each reagent addition, a mixing cycle is performed followed by a variable reaction delay.  After the reagent addition process is complete, the final solution is transported to an analysis cell where the concentration of the compound of interest can be determined via an absorbance measurement.  The RS1 is designed to be mounted near to the pipeline which contains the sample of interest.  The sample is retrieved from the pipeline via a fast loop.  

    The RS1 is ideal for applications, including silica and water hardness, that require reagents to make the final concentration measurement.