Test Principle
Firstly submerge the specimen in the water in the vacuum chamber, and then evacuate the vacuum chamber to form differential
pressure between the inside and outside of specimen. The seal property can be obtained by observing the steady progression of
bubbles from the specimen or observing how the specimen expands and restores to its original shape after vacuum release.

Specifications

Item	Technical Parameters
Standard	ASTM D3078
Vacuum degree	0～-95kPa
Vacuum precision	±1KPa
Vacuum keeping time	0.1～9999.9s
Sample size	ф300×350 mm
Intake pressure	0.7～0.8Mpa
Consumption of compressed air	20 L/min
Power supply	220 V 50 HZ
Instrument size	Controller:580（L）×345（B）×440（H）mm Effective size of vacuum chamber：Ø270 × 270mm
Net weight	12 kg
Ambient temperature	10～40℃
Power	100W
Power supply	AC220V 50Hz

Configuration List

A、Spare parts
NO.		Name	Remark	Quantity
1	Vacuum tank		350mm*350mm	1 PC
2	Vacuum tank（lid）			1 PC
3	Power cable		3*0.75 10A 1.8 M	1 PC
4	Air pipe		Φ8mm Plastic pipe 1M	1 PC
5	Wooden box			1 PC
User provide
1		Power supply 500w 220V 10A 3 holes socket ground wire
2		Air source（such as air compressor）specification 2.5HP、8KG pressure
3		High-pressure air pipe（Φ6mm plastic pipe)
4		Air filter（filter dust, filter oil, filter water)

Features

◆ Compressed air，pneumatic drive.

◆ Wholly automatic, auto vacuum and keep for set time at set pressure, auto stop and return.

◆ Can manually pause and stop.

◆ LCD display test data and working status.

◆ Built-in printer can print report with date.

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