Hand-Held Sound Level Meter,V-Resourcing 30~130 dB Decibel Noise Measurement Tester with Backlight Digital LCD Display for Indoor/Outdoor Uses [Max/Min/Hold Function] Orange auspowers_batchthree when used with a 0110

when used with a 0110 series steel sleeve nut (sold separately)

Conductivity-to-tds calibration values (ppmnacl): 38

Refractometer for seawater

Best helping hand for mom to have a portable and compact otoscope to screen for illness of any family member

Hand-Held Sound Level Meter,V-Resourcing 30~130 dB Decibel Noise Measurement Tester with Backlight Digital LCD Display for Indoor/Outdoor Uses [Max/Min/Hold Function] Orange auspowers_batchthree when used with a 0110Hand Held Sound Level Meter,V Resourcing 30~130 dB Decibel Noise Measurement Tester with Backlight Digital LCD Display for Indoor Outdoor Uses [Max Min Hold Function] Package Listing: 1 Digital Sound Level Meter3 AAA batteries1 Operation Manual(English ) VRESOURCING Hand Held Sound Level Meter Product Overviews: This instrument is a conductivity Sound Level Meter specially designed for the Household,Industrial. A practical little tool great for noise