Liquid Particle Counter PC - 3400


The PC3400 is the first Particle Counter specifically designed for use in drinking water treatment plants and includes an uncomplicated calibration process for the end user. Simply access the calibration features via the front panel keypad and perform automatic sizing calibration of any selected size range in seconds. No computer or software is required. With the PC3400, the customer is no longer dependent upon the manufacturer for calibration of their instrument.

  • Description

    The PC3400’s performance reliability, ease of use, and measurement capability make it an ideal choice for online filter performance monitoring and optimization. This is most clearly demonstrated in the PC3400’s ability to detect filter breakthrough hours in advance of any NTU change. Close to two decades of customer experience with Chemtrac’s Particle Counters has proven the effectiveness of this technology to take water quality monitoring to the next level. Chemtrac’s PC3400 is the right choice if the optimization demands of your application are not being met by relative and less sensitive measurements of water quality like those provided by turbidimeters or SDI test systems.

    Chemtrac has experience with many applications that require the measurement of liquid borne particles.

    Standard Features

    • Counts particles in liquid from 2-750 microns
    • Sizes particles from 2-125 microns
    • Parts-per-billion (ppb) display for particle concentrations*
    • Reports total counts, counts/mL, or counts/100mL
    • Up to 8 user-programmable size ranges
    • Large display with 8-channel readout & graph
    • User friendly, menu driven calibration
    • MODBUS RTU communication
    • Laser & cell condition readout (0-100%)
    • External sensor with sapphire optics

    Optional Features

    • TracWare data acquisition software
    • Analog Outputs, Inputs, & Alarm Relays
    • Multiple communication protocols supported


    • Provides a reliable and accurate measurement of particles down to ppt levels
    • Advanced firmware and menu functions eliminates need for external software to perform setup and calibration
    • User friendly calibration routine makes calibration fast, simple, and lowers maintenance cost
    • Display modes include: all 8 particle size channels at once; total counts; ppb (Insoluble
    • Material Volumetric Concentration) of particulate > 2 microns; graph of last 64 readings; and other sensor performance info
    • External sensor is easy to clean and water is kept away from electronics

  • Specifications

    Laser Type Solid-state laser diode (780nm)
    Cell Material Nituff coated aluminum
    PEEK plastic (optional)
    Viewing Windows Sapphire
    Detection Range 2-750 microns
    Sizing Range 2-125 microns
    Sample Temperature 32° – 120° F (0° – 50° C)
    Flow Rate 75 mL/min
    Resolution Better than 10% at 10 micron (ASTM-F658)
    Coincidence Limit (2 micron) 20,000 cnts/mL (optional)
    Signal to Noise Ratio Better than 5:1
    Size Channels 8 – user selectable and total counts
    Alarms Sensor diagnostic, particle count limit
    Laser Diode Life MTBF 75,000 hours @ 55º C
    Measurement Type Light obscuration, volumetric
    Local Display Graphical, 8 size channels displayed at once, unit info/diagnostic screen, alarm screen, total count screen, graphical trending, user menus
    Display Readout Size channel, counts, cell condition (0-100%), laser condition (0-100%), unit address, sample period, sample frequency, flow rate, days until data log overwrite ppb volumetric concentration (optional)
    Graphical Trending Trending of last 64 logged values for any size range, analog input, or sensor status %
    Data Storage 65,000 sample strings User defined logging interval (1 – 254 min.)
    Keypad Interface All instrument settings may be modified via the keypad interface, including instrument calibration (some settings require password)
    Serial Communications 2 wire RS485 (Network) and RS232
    Communication Protocols Standard: MODBUS RTU (RS485)
    Optional: MODBUS TCP (Ethernet), multiple communication protocols supported
    Analog Outputs 2, 4, 6, or 8 channels, 4-20 mA (optional)
    Analog Inputs 2, 4, 6, or 8 channels, 4-20 mA 0-5V, 0-10V (optional)
    Alarm Relays 2, 250V, 1 Amp (optional)
    Power Requirements 100-240 VAC, 200mA, 47 – 63 Hz 12 or 24 VAC (optional)
    Operating Temperature 32° – 120° F (0° – 50° C)
    Dimensions 12” W x 11” H x 5” D
    (305 mm W x 280 mm H x 127 mm D)
    Weight 7 lbs (3.2 kg)
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Norcross, GA 30093