Multitek Marketing

Calibration Troubleshooting Two calibrated instruments can disagree because resolution, uncertainty, method, contact, environment, condition, and test points differ. Contents Two Calibrated Instruments Give Different Readings. Which One Should You Trust? Start with the Same Measurement Check whether the method was the same. Compare the instruments. Check range and resolution. Consider measurement uncertainty. Check the measurement conditions. Repeat the comparison. Do not choose the preferred number. Comparison checklist What to investigate next Two Calibrated Instruments Give Different Readings. Which One Should You Trust? Two instruments have current calibration records. You measure the same item and get different readings. It is easy to ask which instrument is correct. That is not the first question to answer. First establish whether the two measurements were actually made under comparable conditions. The instrument is only one part of the measurement system. The me...

Calibration Troubleshooting A current calibration status does not control setup, environment, method, handling, operator technique, or suitability. Review the full measurement process. Contents Your Instrument Is Calibrated. Why Can the Measurement Still Be Wrong? Contents The problem starts with a valid certificate A practical measurement problem How to investigate the result Check the instrument first Then check the measurement method Check range and capability Look at measurement uncertainty Check metrological traceability Check the environment and setup Look at the manufacturing process Your Instrument Is Calibrated. Why Can the Measurement Still Be Wrong? A calibration certificate can be valid while a measurement process still produces a result that is unsuitable for a particular decision. This situation creates a common problem in inspection and quality control. An instrument has a current calibration certificate. The operator uses it correctly according to the n...

Dimensional Calibration Interpret height-gauge calibration results as a measurement system. Learn how the surface plate, base, probe, carriage, direction of travel and working range can create different error patterns, and use those patterns to decide what needs investigation before the instrument returns to inspection use. How to Interpret Height-Gauge Calibration Results Direct answer Don’t judge a height gauge by its display resolution or a single calibration point. Review its errors across the range you actually use, then consider the setup that produced those results. A height gauge works from a reference plane. That means the surface plate, base, carriage, probe or scriber, contact method, and direction of approach can all affect the measurement. The calibration certificate should be read as evidence about that measurement system—not just the scale or encoder. Contents What a height-gauge certificate can tell you Why the surface plate and base matter...

Dimensional Calibration: How to Interpret Caliper Calibration Results by Measurement Function Interpret caliper calibration results by measurement function. Learn what external, internal, depth and step errors can reveal about the instrument, why one good point does not prove the whole caliper, and how to review the evidence before returning it to inspection use. Who Should Read This—and What You’ll Actually Get Out of It If you’re a quality manager, calibration tech, or metrology engineer trying to decide whether a vernier caliper is still up to scratch for inspections, this guide is for you. You’ll learn how to actually interpret calibration data—for external, internal, depth, and step measurements—spot errors specific to each function, and figure out what proof you need before putting a caliper back in service. Just because a caliper works fine f...

Calibration Service Selection Compare NABL calibration quotations by confirming accredited scope, measurement range, CMC, uncertainty, certificate requirements, service location, turnaround, logistics and total cost before price becomes the deciding factor. Choosing NABL Calibration Services Beyond Price Introduction A calibration quote only makes sense to compare when the technical details actually line up. Two labs with NABL accreditation might give you wildly different prices for what looks like the same calibration job—but that’s usually because they’re offering different measurement ranges, coverage, certificate details, or even different levels of accreditation. If you’re part of a purchasing or quality team, this guide will help you break down calibration quotes by their technical merits before you make your final call. Check the lab’s current NABL scope Having NABL accreditation doesn’t mean every service a lab offers is accredited. According to NABL’s own...