KOEHLER K25330 Copper Strip Corrosion Test Tube Bath, 115V. Constant temperature bath immerses 17 test tubes for copper strip tarnish tests of products not requiring a test bomb, including: diesel fuel, fuel oil, automotive gasoline, Stoddard solvent, kerosene and lubricating oil. Microprocessor temperature controller has °C/°F switchable digital set point and display. Maximum Temperature: 190°C (374°F). Temperature Control Stability: ±1°C (±2°F). Operator and equipment are protected by an overtemperature control circuit which automatically interrupts power to the unit should bath temperature exceed a programmed cut-off point. Welded stainless steel double-wall construction with built-in support rack. Fully insulated. Bath Medium: 5 gal (18.9L) water or high temperature heater transfer fluid. Conforms to the specifications of: ASTM D130, D6074, D6158; FSPT DT-28-65; IP 154; ISO 2160; DIN 51759; FTM 791-5325; NF M 07-015. Shipping Weight: 45 Lbs (20.4kg). Dimensions: 12.8 Cu. ft. 115V/60Hz.