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Easy installation compatible with most home water purifiers
Precision 58
Solvent-based quick-dry red ink
reliable clicks
stable suction with lower noise and longer life
High-Accuracy 114dB/94dB Sound Level Calibrator Trish Easy installation compatible with mostEnsure your sound level meters are always precise with this portable, high accuracy calibrator. Designed for professionals and field technicians, it delivers reliable 94dB, 104dB, and 114dB calibration signals to maintain optimal measurement performance. Compact and battery powered, its perfect for both laboratory and on site use. Key Features High accuracy calibration at 94dB, 104dB, and 114dB Calibration frequency at 1kHz compatible with all
