The best balance of sampling speed, sensitivity, and running costs, offering the most practical and economic solution to detecting micro-leaks in can lids.

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MLT is a real-time micro leak detector designed for beverage and food ends, covering a diameter range of 113-502mm (45mm-127mm). It ensures a non-destructive test that minimizes false rejects and does not require a wet seal or excessive test pressures that could damage the product. According to Sencon, MLT's air pressure test provides the best balance of sampling speed, sensitivity, and running costs, making it the most practical and economic solution for detecting micro-leaks in can lids.

Failure to detect leaks in lids can result in massive re-checking jobs or customer complaints. Sencon’s on-press Light Tester for Easy Open Ends (ELTP) offers 100% light testing to find leaks that have a detectable light path through the fault. However, micro leaks and more complex faults, such as rivet cracks, may not permit light to pass, therefore going unnoticed. Additional testing is required to identify these issues effectively.

Product Description

1. Introduction

MLT-01 Micro Leak Tester uses the vacuum decay method to detect package leaks by measuring the rise in pressure (vacuum loss) in an enclosed evacuated test chamber containing the test package. This vacuum loss is due to the leak of headspace gases or volatilization of liquid contents within or near the leak. The tester is widely utilized for integrity testing of vials, ampoules, prefilled needles, infusion bottles/bags, and more.

The MLT-01 is a vacuum decay leak tester that can evaluate the performance of sealed packaging using a non-destructive method. This allows the testing of pharmaceutical packaging sealing performance without damaging the sample. Following ASTM F2338 standards, the MLT-01 is effective for detecting micro leaks in packaging across industries like food, identifying micron holes and leaks in containers made of glass or plastic, and filled with powder or liquid.

2. Benefits

(1) PLC controlled and HMI human-machine interface operated

(2) Customizable chamber size

(3) High sensitivity for detecting minute leaks

(4) Non-destructive leak testing method

(5) Effective calculation of leak rates

(6) Dual Sensor Method utilizing an absolute pressure sensor and a differential pressure sensor

3. Application

(1) Rigid and semi-rigid non-lidded trays

(2) Trays or cups sealed with porous barrier lidding material

(3) Rigid, nonporous packages

(4) Flexible, nonporous packages

4. Specifications

Absolute pressure test range: 0~300 kPa

Differential pressure test range: -2~2 kPa

Detection sensitivity: 1~2 µm

Balance/Test time: 1~3600 s

Vacuum time: 1~3600 s

Set flow rate: 0~3 mL/min

Test system: Dual Sensor Method of absolute pressure sensor and differential pressure

Test chamber: Custom-made on demand

Power: AC 110~220V, 50HZ

5. Standards

Complies with ASTM F2338, YY/T0681.18, and USP <1207.2> standards

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