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    Tisch Environmental | Global Leader in Air Monitoring
    Est. 1954 · Cleves, Ohio · 100% Employee-Owned

    The Global Standard in
    Air Quality Monitoring.

    A 100% employee-owned manufacturer providing agencies and researchers with high-precision instrumentation, built for accuracy and long-term durability.

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    Industry-Leading Instrumentation

    Hardware engineered for regulatory compliance and scientific research.

    TSP High Volume Sampler
    TSP High Volume

    The industry workhorse for total suspended particulate sampling in rugged environments.

    View Specifications →
    PM10 High Volume Sampler
    PM10 High Volume

    EPA-approved particulate sampling designed for high-accuracy regulatory compliance.

    View Specifications →
    TE-Wilbur Low Volume Sampler
    TE-Wilbur Low Volume

    Software-driven FRM sampling with modern data collection and wireless capabilities.

    View Specifications →
    Resource Library

    Find Manuals & Documents

    Instant access to technical specifications, setup guides, and calibration worksheets for all equipment.

    TSP Samplers PM10 Samplers TE-Wilbur Worksheets
    Flexible Solutions

    Equipment Rentals

    High-performance air monitoring in 30-day rental blocks. Scale your project without capital overhead.

    30-Day Blocks

    Transparent monthly terms designed for short-term studies.

    Field-Ready Gear

    Every unit arrives fully inspected and pre-calibrated.

    Expert Support

    Technical assistance included with every deployment.

    Explore the Rental Fleet

    Secure your 30-day window for upcoming environmental projects.

    Compliance & Precision

    NIST-Traceable Recertification

    Ensure your data stands up to the strictest scrutiny. Our employee-owners provide expert calibration with industry-leading turnaround times.

    Step 01

    Annual Recertification

    Stay within regulatory requirements with scheduled annual recalibrations for all instrumentation.

    Step 02

    Full Diagnostic

    Complete functional testing, diagnostics, and deep cleaning performed by original equipment manufacturers.

    Step 03

    Digital Records

    Immediate access to NIST-traceable digital documentation and direct support from technical engineers.

    Schedule Calibration

    Rapid Turnaround: Most calibrations completed and shipped within standard business windows.

    Who We Are

    Owned by the People
    Who Build the Machines.

    As a 100% employee-owned company, every technician, engineer, and support specialist is an owner. That means the people answering your calls have a direct stake in the quality of what leaves our dock.

    Our Full Story
    100%Employee Owned
    72+Years of Expertise
    USAMade in Ohio
    GlobalTrusted Support
    100%Employee Owned
    72+Years of Expertise
    USAMade in Ohio
    GlobalTrusted Support
    Customer Satisfaction

    Trusted Worldwide

    What the people we serve are saying on Google.

    ★★★★★

    "Tisch Environmental offers top quality instrumentation and unbeatable customer support. Their team is great to work with!"

    — Danny R.
    ★★★★★

    "Fast turnaround on my orders, great technical support. A name I've come to trust over many decades."

    — Anthony P.
    ★★★★★

    "With decades of product development and manufacturing, Tisch equals quality in every aspect."

    — Kris K.
    Get In Touch

    Ready to Talk Shop?

    One of our owner-experts will reach out personally within one business day.

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