Why Equipment Goes Out of Calibration
Here’s the hard truth: even the most reliable equipment doesn’t stay accurate forever.
Over time, all test and measurement instruments experience calibration drift. It’s not a matter of if, but when. Since you’re relying on these tools for accuracy, quality, compliance, or safety-critical work, that drift can quietly put your operations at risk.
The Hidden Drivers Of Calibration Drift
So, why does this happen?
- Normal wear and tear from daily operation and handling
- Environmental factors like temperature, humidity , and vibration
- Aging of internal components, even during storage
- Electrical or physical stress, such as overloads or drops
- Natural drift inherent to all measurement systems
Individually, each of these factors seems minor. Together, they steadily push instruments out of tolerance.
Everyday wear adds up.
Even careful, routine use introduces small stresses over time. Repeated adjustments, handling, and minor impacts slowly shift performance, often without any obvious warning signs.
Your environment plays a role.
Precision instruments are sensitive by design and respond to their surroundings. Fluctuating temperatures, excess humidity, airborne contaminants, and vibration can all influence sensitive components and accelerate drift.
Timing is everything.
Calibration doesn’t stop aging. Internal components naturally degrade whether equipment is used daily or sits in storage, making time-based calibration just as critical as usage-based schedules.
Stress and mishandling accelerate failure.
Overloads, drops, power surges , or improper transport can push instruments out of tolerance instantly, or weaken them enough to fail sooner than expected.
Drift Is Unavoidable, But Manageable
Your equipment is an investment that you use every day. Taking care of your tools to ensure they last as long as possible is paramount. Out-of-spec readings lead to inaccurate results, non-compliance, product failures, and costly rework.
No matter how advanced the design, all measurement equipment changes over time. Regular calibration is a preventative measure. Let us help .
Instrument Care
While calibration drift can’t be eliminated, proper handling and care significantly slow it down. General best practices include:
- Operating instruments in controlled environments whenever possible (typically 20–25 °C and 40–60% relative humidity)
- Avoiding unnecessary exposure to dust, moisture, and vibration
- Using stable work surfaces and proper accessories
- Storing equipment in protective cases when not in use
- Handling instruments carefully during transport and setup
Instrument-Specific Care
Liquid Flow Meters
Liquid flow meters are highly sensitive to contamination, pressure changes, and improper handling.
Best practices:
- Flush the meter before and after use to prevent residue buildup
- Avoid operating outside rated flow, pressure, or temperature limits
- Ensure proper orientation and straight-run piping during installation
- Protect meters from freezing temperatures and sudden pressure shocks
- Store dry and capped to prevent corrosion or debris ingress
Torque Wrenches
Torque wrenches are mechanical precision tools that drift easily if mishandled.
Best practices:
- Always return adjustable torque wrenches to their lowest setting after use
- Avoid using torque wrenches as breaker bars or general tools
- Apply force smoothly—no jerking or impact loading
- Do not exceed rated torque limits
- Store in protective cases to prevent drops or misalignment
Consistent handling preserves spring integrity and accuracy over time.
Make sure your equipment is giving you results you can trust. Work with Transcat and build a calibration schedule that keeps your operations running efficiently. We offer:
- ISO/IEC 17025-accredited calibration services
- Industry-leading turnaround times
- Wide range of calibration disciplines and capabilities
- Multiple service options available
- ocations"> Nationwide lab locations
- Expert technicians with deep industry knowledge
Not sure if your equipment is due? Let’s find out.