Tähelepanu enne müramõõteriista detsibelltesteri 30-130dBA ST9604 kasutamist:
Please don't store it at high temperature or humidity, high concentration salt or sulfur environment.
If don't use it for a long time, please take off the battery to prevent leakage of battery.
Lubage käsitsi mõõtmise tõttu 1-3 cm erinevusi.
