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The handheld hearing screening instrument has a frequency range from 500 Hz to 4000 Hz in 4 steps: 500 Hz
The needle can be precisely controlled and guided with 1 hand
And Smaller Do Not Meet Astm E1094 Nor Nbs Handbook 44 Requirements And Therefore May Not Be Used For Prescription Work In States Which Adopt These Specifications
fully-wetted disc filter with a diameter of 110 mm folded in quarters
Dwk Life Sciences Kimble Test Tubes with Marking Spot 45042-13100 - 720.0 Each Wheelchairs The handheld hearing screening instrumentDwk Life Sciences Kimble Test Tubes with Marking Spot Sturdy lip and uniform wall thickness for maximum heat transfer and chemical resistance Durable white ceramic enamel marking spot on each tube Designed from ASTM Specification E982, Type I requirements Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements Product must be used in compliance with the intended use
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