SafetyBlue® API Scale Thermohydrometer, 79-91
Safely Test Petroleum Products with API Scale Thermohydrometer
Mercury-free API Scale Thermohydrometer tests petroleum products safely and allows easier cleanup in case of breakage. 15"L. Thermometer range: 0°-̶150°F. API/petroleum divisions of 0.1 are degrees API at 60°F. Range: 79-91.