A laboratory screening procedure for evaluating the effectiveness of engine coolants in combating corrosion of aluminum casting alloys under heattransfer conditions that may be present in aluminum cylinder head engines.

Apparatus composed of gearcase with electrical part thermoregulator a with thermocouple J and digital timer Safety screen surrounding cell, truss with plates and stainless steel tie rods at the center, which is placed in a Pyrex glass tube, with related fittings, safety valve, pressure manometer 0-400 KPa, tap and plug load, 950W heater. Technical specifications:

- Temperature: from ambient to 160°C (320°F)
- Stability: ±0.5°C
- Power supply: 220V 50/60Hz
- Power: 950W
- Dimensions: 26x34x110 cm
- Weight: 18 kg