Hydrometer: API ASTM, 0.1, 39/51, API ASTM, 380 mm Lg, NIST

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Item: 32FZ81,
MFR: GW055HH,
Brand: THERMCO

Technical Specification
Product Type Hydrometer
Scale API ASTM
Scale Divisions 0.1
Range 39/51
Application API ASTM