THM 1000 Selective VOC Analyzer

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The YSI THM 1000 offers sample purging, VOC component separation, and data analysis with the push of a button. Say goodbye to off-site analysis with accurate results delivered in only 30 minutes. This includes the analyzer, gas connection kit, calibration kit, and THM standard.

  • Overview

    This integrated system is a powerful new tool that can help operators optimize water treatment at the plant and evaluate water age in the distribution system for improved monitoring of the formation of THMs, an EPA-regulated disinfection by-product.

    Features at a Glance

    Push-button Simplicity:

    Walk up analysis at the push of a button. Get precise THM results in 30 minutes. Streamlined analysis helps streamline the work you do to protect your community.

    Integrated Purge & Trap:

    No sample preparation required - reach ultra-low ppb detection levels without any prior prep work.

    Rapid Feedback:

    Quick, accurate, and inexpensive measurement of THMs creates numerous opportunities to improve the water treatment process. Fast results allow end users to quickly optimize water treatment chemical usage, saving money and eliminating worry.

    Customized Software:

    With an on-board touchscreen and external PC software to match, you can tailor your data gathering experience to match your needs.

  • Specifications
    THM Analyzer Specifications  
    Size 15.8" l x 15.3" h x 9.4" w (401 mm x 389 mm x 239 mm
    Weight 16.5 lbs. (7.5 kg)
    Power Universal AC input, 24 VDC internal
    Power Consumption (Analyzer without laptop) 150 W (peak), 120 VAC input, 24 VDC internal
    Certifications ETL 61010 ? FCC part 15 Class A, ETLC, CE

    Performance Specifications  
    Measured Compounds Chloroform, Dichlorobromomethane, Dibromochloromethane, Bromoform
    Accuracy Total THM: +/-15%*
    Precision Total THM: 10% RSD
    Calibration External calibration
    Factory Calibration Range*** 5 ppb to 80 ppb for each THM compound
    Sampling and Analysis Time Approximately 30 minutes
    Detector Type Surface Acoustic Wave (SAW) sensor

    Carrier Gas Helium, UHP grade
    Supply Pressure 55 - 60 psig (3.8 - 4.1 bar)
    Gas Volume per Sample Approximately 0.04 ft3
    Water Sample Volume 40 mL

    Operating the Analyzer within the recommended ranges ensures optimum instrument performance.
    Recommended Operating Temperature Range 68°F to 85°F (20°C to 30°C)
    Storage Temperature Range 5°C to 40°C (41°F to 104°F)
    Relative Humidity <90% (non-condensing)

    * Standard factory calibration.

    ** Up to 4,000 cycles from a single 300 cubic foot high pressure cylinder (DOT 3AA2400) based on an 11 minute purge cycle.

    *** Instrument may be calibrated at a higher concentration if samples are suspected to have higher THMs.

  • Accessories

    Preconcentrator Trap, THM 1000

    THM 1000 Preconcentrator Trap

    Sparger Bottle, THM 1000

    THM 1000 Sparger Bottle

    Sparger Tube, THM 1000

    THM 1000 Sparger Tube

    Preconcentrator Puller, THM 1000

    THM 1000 Preconcentrator Puller

    Calibration Kit, THM 1000

    THM 1000 Calibration Kit

    THM Standard, 100μg/mL DOC

    THM 1000 Standard, 100μg/mL DOC

  • Video

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