M1045e Series
The M1045e Series is a compact, high-resolution pressure change leak test instrument designed for accurate testing across a wide range of part volumes. With a programmable pressure regulator and 24-bit precision instrumentation, it provides reliable, repeatable leak detection for production and quality control applications.
This instrument combines modern connectivity with flexible operation, featuring a touch-screen control panel, dual USB ports, Ethernet, and an embedded web interface, making it suitable for both stand-alone operation and PLC or PC integration.
Test Technology & Operation
The leak test pressure transducer connects directly to the test component. Once the circuit is filled with air and isolated from the supply, any leak causes a pressure change relative to atmospheric pressure. The transducer output provides a direct measurement of the pressure change, which is proportional to the leak rate.
This method ensures fast, accurate, and highly repeatable results, ideal for critical components and high-volume testing.
Key Specifications
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Programmable pressure range: 0 – 150 psig
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Transducer repeatability: 0.05% F.S.D.
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Transducer sensitivity: < 10⁻⁵ psi (STD)
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A/D conversion: 24-bit, 100 conversions/sec
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Timer resolution: 0.01 sec
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Connectivity: Touch-screen control panel, dual USB ports, Ethernet, embedded web page
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Calibration: NIST traceable to < 5% R&R
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Test programs: Up to 99 selectable programs
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Integration: Stand-alone or PLC/PC interface
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Additional features: Advanced data storage, statistics, and communications

