Dyne Testing Pen Storage: How to Keep Your Pens Accurate for Longer
Write the date opened. Mark each pen with the date you first used it. This lets you replace pens on a regular schedule instead of guessing when they might have gone off.
pvntechnosystems A dyne testing pen is only as reliable as the fluid inside it. If the tip dries out, the barrel leaks or the pen spends a summer on a hot windowsill, the line it draws may no longer match the value printed on the label. A wrong reading can lead to a rejected job, or worse, a print that fails after it has shipped. The good news is that protecting your pens costs almost nothing. These habits keep readings dependable.
Keep the cap on. The test fluid contains components that evaporate. Every second the tip is exposed, the pen loses a little of its original composition. Recap immediately after each test, and press the cap until it seats fully.
Avoid heat and sunlight. Pens left near presses, curing lamps, dryers or inside a vehicle can warm well above room temperature. Heat speeds up evaporation and may change the fluid. Store pens in a cool, dry, shaded drawer or cabinet.
Keep them organised. Store pens in order of value, in a labelled holder, so nobody grabs the wrong one in a hurry. Mixed-up pens are a quiet source of bad data.
Write the date opened. Mark each pen with the date you first used it. This lets you replace pens on a regular schedule instead of guessing when they might have gone off.
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Protect the tip. Do not touch the tip to dirty or dusty surfaces. A contaminated tip can carry residue back into the pen and affect later tests. Always test on a clean area of the material.
Check before you trust. Warning signs include a dried or clogged tip, a weak or patchy line, a change in colour or any sign of leaking. If you are unsure, compare the pen with a fresh one of the same value on the same sample. If the two give different results, replace the older pen.
Keep a spare set. Running out of a key value in the middle of a job tempts people to skip the test. A small spare set avoids that.
Finally, remember that storage works together with quality. Choose pens made from fluids formulated to a recognised standard such as ASTM D2578 and batch tested, so the value on the pen can be trusted from the first test to the last.
Well-stored pens give consistent results, which makes your records more useful and your decisions more confident. For reliable test pens and guidance on setting up a surface energy routine, contact PVN Techno Systems.
