Questions? Get a Quick Response
Questions? Get a Quick Response
If you’re managing a respiratory protection program, you know equipment failure on testing day creates chaos. Shifts get disrupted, schedules fall behind, and compliance windows close faster than you’d like. But here’s what catches many programs off guard: the difference between equipment breaking down and equipment that hasn’t been maintained according to manufacturer specifications.
Your fit testing device might power on, run tests, and generate reports without any obvious problems. But if it hasn’t been calibrated as the manufacturer recommends, you’ve could have a compliance problem and you’re at risk of equipment failure when you can least afford it.
Let’s walk through when calibration is recommended, why it matters, and how to build it into your program so it doesn’t catch you by surprise.
Workplace safety regulations across most industries consistently require one thing: follow the manufacturer’s instructions for equipment maintenance and calibration. Whether you’re in Canada, the United States, the UK, or elsewhere, the regulatory requirement is clear—maintain and calibrate your fit testing equipment according to manufacturer specifications.
For quantitative fit testing devices, that specification is annual calibration.
The annual timeline exists because calibration provides a comprehensive opportunity to check all subsystems, identify component wear, and correct any discrepancies before they cause failures. Annual calibration isn’t about fixing broken equipment—it’s about preventing problems before they disrupt your program.
Think of it like your vehicle’s annual inspection. The car might run fine day-to-day, but the inspection catches small issues before they become big problems. Calibration does the same thing for fit testing equipment.
Annual calibration isn’t just a quick check. It’s comprehensive preventive maintenance that addresses multiple aspects of equipment performance.
During factory calibration service, technicians systematically check all subsystems. They disassemble critical components, clean mechanical parts, lubricate where needed, and verify that all systems respond correctly across their full operating range. Any worn components get replaced before they fail.
The result is a calibration certificate documenting exactly what was checked, what was found, and what was corrected. This documentation matters during audits because it demonstrates you’re maintaining equipment according to manufacturer specifications which is what most regulations require.
Here’s what calibration typically catches: component wear that wouldn’t be obvious during daily validation checks, tubing degradation that could affect system performance, and mechanical wear in components like pumps or valves that would eventually cause failures.
Some programs try to extend calibration intervals to save money or avoid downtime. That decision usually backfires in one of three ways.
First, regulatory exposure. Most workplace safety regulations require following the manufacturer’s instructions. If an inspector asks for calibration records and you can’t produce current documentation, you’ve got a compliance problem regardless of whether your device is still functioning. The regulation requires calibration according to manufacturer specifications, not “calibration when convenient.”
Second, warranty issues. Most manufacturers void warranty coverage if annual calibration requirements aren’t met. That means a repair that would have been covered becomes an out-of-pocket expense because you skipped calibration service. During the warranty period, annual calibration can save significant money by catching and fixing problems while they’re still covered.
Third, equipment failure risk. Calibration catches component wear and system issues before they cause breakdowns. Skip calibration, and you’re gambling that nothing will fail during your next testing cycle. When equipment does fail mid-program, you face downtime, schedule disruptions, and the operational chaos of not being able to complete required testing.
The math is straightforward: annual calibration costs far less than emergency repairs, equipment replacement, or the operational disruption of discovering, mid-testing season, that your device hasn’t been properly maintained.
The biggest calibration problem isn’t cost—it’s forgetting the deadline until it’s passed. Here’s how to prevent that.
When you receive new equipment, note the purchase date and set a reminder 11 months out to schedule calibration. This gives you a one-month buffer to arrange shipping and service without missing your annual window. AccuFIT users are reminded via an on-screen pop-up reminder.
Most programs do annual fit testing during specific windows. Schedule calibration a few months before your next annual test. This ensures equipment is freshly serviced for next year’s cycle and avoids the stress of wondering if your device will pass validation right when you need it most.
Calibration takes two to three weeks, including shipping time. Schedule it during periods when you won’t need the equipment. If you conduct monthly or quarterly testing, send the device in during a month when no testing is scheduled. If you only test annually, send it immediately after completing that year’s testing.
Calibration is a predictable annual expense. Include it in your capital equipment budget so you’re not scrambling for approval when the due date arrives. Some manufacturers, including Accutec, offer prepaid service plans that bundle calibration with extended warranty coverage, eliminating the need for annual budget requests.
Some programs only use fit testing equipment once or twice per year. The annual calibration recommendation doesn’t change based on usage frequency—manufacturer specifications and regulatory requirements still apply regardless of how many tests you conduct.
However, infrequent use creates a specific problem: equipment sitting unused for months can develop issues you won’t discover until the day you need it. Seals can dry out, batteries can degrade, and firmware can become outdated.
If you test quarterly, semi-annually, or annually, consider this approach: send equipment for calibration shortly after your annual testing event. This ensures it’s maintained while you’re fresh off using it and aware of any performance issues. Then, when your next testing cycle arrives, the equipment is already serviced and ready.
When we designed the AccuFIT 9000 and 9000 PRO, we thought carefully about how calibration fits into real-world respiratory protection programs. We included features that make tracking and scheduling easier, and we structured our service program to minimize disruption.
AccuFIT devices ship with clear documentation of the purchase date and calibration due date. The onboard software is configured to display reminders as the annual deadline approaches, so you’re not relying on memory or manual tracking systems.
We offer prepaid calibration service plans that bundle annual maintenance with extended warranty coverage. This approach eliminates annual budget requests and ensures calibration happens on schedule because it’s already paid for. Many programs find this reduces administrative friction significantly.
Our calibration service includes comprehensive preventive maintenance across all subsystems, calibration certification, firmware updates, and replacement of any worn components covered under warranty. Turnaround time averages three to four weeks including shipping, and we work with you to schedule service during periods that minimize operational impact.
For our international customers, we’re establishing regional calibration centers to reduce shipping time and costs while maintaining the same service standards. Whether you’re in North America, Europe, or elsewhere, we’re committed to making calibration service accessible and efficient.
Annual calibration is very important, for many, it’s a regulatory requirement through the mandate to follow manufacturer specifications. It’s also smart preventive maintenance that protects both warranty coverage and operational reliability. The question isn’t whether to calibrate, but how to build it into your program so it happens reliably without creating operational disruptions.
Track your calibration due date, schedule service during downtime, budget for it annually, and document everything. This keeps you compliant, keeps your equipment maintained according to specifications, and keeps your program running smoothly when testing day arrives.
If you’re unsure when your equipment is due for calibration, check your purchase documentation or contact your equipment provider. AccuFIT users can search “Device Info” in the “Administration” section on their device. And if you’re approaching a testing deadline with an overdue calibration, address it now before it becomes a larger compliance problem.
Your workers depend on accurate fit testing to ensure their respiratory protection works properly. Proper calibration ensures your equipment is maintained to deliver that confidence.
Need help scheduling AccuFIT calibration service? Contact our service team at service@accutec.com.
