Pounds per U.S. Gallons Hydrometers
Model GTP-1695-1 covers jet fuel and Avgas. GTP-1697-2 covers only jet fuel. No thermometers are included. Graduated to 0.01, 320mm length.
Thermometer holder with cup and lid, equipped with metal backing to dissipate static charges through wire cable. Cable not supplied; order separately, specifying length. Lid of cup is hinged to open as it is lowered into fuel.