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Salinity Refractometer for Seawater Aqaurium Fishkeeping Salinity Tester Meter Dual Scale-Specific Gravity Salinity Hydrometer 0-100PPT & 1
Suitable for mobile phone (including mobile phone case) maximum width: 7
Package Contents:1 pcs round handwheel1 pcs handle
Easy to identify: metric and imperial double marking
cast brass and stainless steel
TIMESETL 15pcs Piezo Pickup 27mm Piezo Amplifiers Discs with 13" Leads for Acoustic Guitar Drum auspowers_batchthree Salinity Refractometer for Seawater AqauriumTIMESETL 15pcs Piezo Pickup 27mm Piezo Amplifiers Discs with 13" Leads for Acoustic Guitar Drum TIMESETL Piezo Disc Elements High Quality Specification: Base Material: Brass Size: center disc measures approx 27mm diameter, 0. 4mm thick, cord length 33mm Type: External drive type element Resonant Frequency: 4. 6 0. 5 KHz Resonant Impedance: 300 max TIMESETL Acoustic Pickup Wide Usage Perfect for using as touch sensors, electronic drum triggers, buzzers
