Kessler Thermometer Hydrometer ASTM
Cat No ASTM API Range Div Length
7000 + 1H -1 to 11 0.1 330mm
7002 + 2H 9 to 21 0.1 330mm
7004 + 3H 19 to 31 0.1 330mm
7006 + 4H 29 to 41 0.1 330mm
7008 + 5H 39 to 51 0.1 330mm
7010 + 6H 49 to 61 0.1 330mm
7012 + 7H 59 to 71 0.1 330mm
7014 + 8H 69 to 81 0.1 330mm
7016 + 9H 79 to 91 0.1 330mm
7018 + 10H 89 to 101 0.1 330mm
7020 10 to 100 1.0 330mm