ROBINSON - Hydrometers, API Combined. Thermometer in the bottom. 15" Long 20 to 40 (Division .1, Temp Range 0-150) Brand_FROG WEAR Outdoor enthusiasts who wear a

Outdoor enthusiasts who wear a helmet and demand clear

and stitching done with Nomex thread for added flame‑resistant reliability

innovation

The frame-style mounting and compact footprint align with your existing setup

ROBINSON - Hydrometers, API Combined. Thermometer in the bottom. 15" Long 20 to 40 (Division .1, Temp Range 0-150) Brand_FROG WEAR Outdoor enthusiasts who wear aROBINSON presents the API Combined Hydrometer with a builtin thermometer in the bottom, a precision instrument designed for demanding oil testing. At 15" long, it is engineered to deliver reliable API gravity measurements with the accuracy you expect from a professional lab tool. The 20 to 40 API gravity range is marked with fine division lines at. 1, providing clear, easy to read results. The thermometer at the bottom adds instant temperature data,