Testo Sound Level Calibrator probe as it can cause spongy

as it can cause spongy response and reduced efficiency

All-in-one static

USB interface cable Standard individual packing Box

it offers intuitive operation for both new setups and system upgrades

Not when used correctly — the hydraulic action gives controlled force for ¼″ swages without splitting

Testo Sound Level Calibrator probe as it can cause spongyThis Testo sound level calibrator (SKU 0554 0452) is your go to tool for keeping sound level meters dialled in and accurate. It helps ensure your readings are precise, which is crucial for compliance and getting the job done right, especially when you're on a noisy industrial site or checking noise pollution from a new install. Having a reliable calibrator like this on hand means you won't be guessing if your sound level meter is still giving you true