Introduction:
	This instrument is designed and manufactured according to " lubricants sodium hydroxide extract acidification test method " standard, which is used to extract impurities in the sample exist in alkaline solution, when acidified with hydrochloric acid extract when impurities become muddy substance precipitated.
	The test is composed of a standard water bath, light observation station and two kinds of test tubes and others, it has a complete configuration, test quickly.
	 
	Technical parameters
	1. Input power supply: 220V ± 10% 50HZ
	2. Standard water bath: 4 holes
	3. Heater power: 1.2KW
	4.Temperature range: 0 ~ 100 ℃
	5.Temperature accuracy: ± 1 ℃
	6. Main test bench: 4pcs of Ø30 tube holes, 4 pcs of Ø15 tube holes, floodlight 20W
	7. Ambient temperature: room temperature about 25 ℃
	8. Relative humidity: <85% RH