LZ311 OTR(Oxygen Transmission Tester)
LZ311 OTR (Oxygen Transmission Tester) is suitable for the detection of various gas transmittances of O2, CO2, N2 and air of plastic film, composite film, high barrier material, sheet, metal foil and rubber.
Technical standards

Items	LZ310-030E	LZ310-060E	LZ310-120E
Measuring range(film)(cc/m2·day·0.1MPa)	0.1-50000	0.02-50000	0.02-50000
Test accuracy	0.01g/m2•day•0.1MPa
Number of samples	1	3	3
Number of main sensors	1	1	3
Test model	Single chamber independent	Three chamber average	Three chamber sensing independent
Vacuum error	0.1Pa
Vacuum degree	<10Pa
Vacuum efficiency	Within 20minutes,less than 27Pa
Test speed	Test time<4 hours,when the transmittance>5cc/m2.day.0.1MPa
Temperature control range	5℃-55℃(optional 90℃)
Temperature control accuracy	±0.1℃
Humidity range	5-90%RH(double air humidity method,optional)
Humidity accuracy	±1%RH
Test pressure	0.1MPa-0.2MPa
Air pressure	0.1MPa-0.8MPa
Test gas	O2,N2,CO2 or other gases
Carrier gas interface	8
Vacuum diameter	1/4”
Calibration method	Standard film calibration,vacuum sensor outside school
Sample thickness	≥3mm
Test area	50cm2,round(other sizes can be customized)
Host size(L*B*H)	585*640*380mm	960*550*450mm	960*550*450mm
Host weight(Kg)	40Kg	60kG	65Kg
Power supply	220V AV 50HZ