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Flow Meter Calibration Services

Accurate, compliant measurement for critical water & wastewater processes

ACS provides professional calibration services for the instruments your operation depends on—ensuring accurate readings, reliable control, and compliance with regulatory requirements. Our technicians use NIST-traceable equipment to verify, adjust, and document the performance of your system’s most important sensors.

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Precision Calibration for Your Entire Facility

Precision Calibration for Your Entire Facility

Reliable measurements are essential for maintaining water quality, process efficiency, and regulatory compliance. ACS offers on-site calibration for a wide range of water and wastewater instrumentation, backed by detailed reporting and expert recommendations.

From pressure and flow to chemical feed and environmental sensors, we help ensure your equipment performs exactly as intended.

Why ACS

About ACS Calibration Services

NIST-traceable, professional calibration

Our technicians use certified, NIST-traceable calibration equipment to verify accuracy and adjust your instruments as needed—maintaining consistent and dependable performance.

Comprehensive calibration for key instruments

We calibrate the sensors and transmitters your system relies on every day, including:

  • Pressure transducers

  • Flow meters

  • Level transmitters

  • pH & ORP sensors

  • Dissolved oxygen sensors

  • Chlorine analyzers

  • Turbidity instruments

  • Temperature sensors

  • Chemical feed monitoring devices

Detailed calibration reports for compliance

Each calibration includes a written report showing “as found” and “as left” values, adjustments made, and any equipment issues—supporting regulatory and audit requirements.

Troubleshooting & performance verification

If a sensor is drifting, unresponsive, or out of range, we diagnose the issue and correct it—or recommend replacement if calibration cannot restore accuracy.

Recurring & annual calibration options

ACS offers scheduled calibration programs to keep your instruments reliable year-round and ensure compliance with state and federal water quality standards.

What's Included

What ACS Calibration Services Include

Our goal is to ensure every measurement in your facility is accurate, reliable, and fully compliant.

  • NIST-traceable calibration equipment
  • On-site instrument calibration and testing
  • Verification of transmitter output and scaling
  • Adjustment of span, zero, and device programming
  • Troubleshooting faulty sensors or wiring
  • Detailed calibration documentation & reports
  • Replacement recommendations when needed
  • Annual or recurring calibration plans

Why Municipal Utilities Choose ACS

  • Experienced field technicians with deep instrumentation knowledge

  • Accurate, traceable calibration for critical process instruments

  • Clear documentation for audits and regulatory reviews

  • Troubleshooting expertise when equipment doesn’t behave as expected

  • Calibration programs tailored to each facility’s needs

  • Backed by the Gasvoda Group for expanded instrumentation support

Need reliable calibration for your instruments?

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