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Metal-Samples - Model MS4500L -LPR Data Logger
The MS4500L is a hand-held, battery- powered, corrosion meter capable of measuring and storing data from Linear Polarization Resistance (LPR) corrosion probes. The instrument is light weight, microprocessor-based, and features a simple, menu-driven interface using a keypad and a backlit graphical LCD display.
Corrosion rate measurements are made using the Linear Polarization Resistance method. The instrument measures the current required to polarize the electrodes of a probe to a known potential. From the polarization potential and the measured current, the polarization resistance and corrosion rate can be calculated.
MS4500L measures general corrosion, localized corrosion and conductance. The instrument utilizes state-of-the-art algorithms and data analysis techniques to accurately measure general corrosion rate and pitting. Harmonic distortion analysis (HDA) is applied to improve the performance of the industry-accepted linear polarization resistance (LPR) technique used to measure corrosion rate.
To further enhance the performance, an application-specific Stern-Geary variable (B value) is calculated and updated every measuring cycle. There is no need to manually update the B value because of process changes. During the measurement cycle, the MS4500L also performs an automated electrochemical noise (ECN) measurement which, in combination with the corrosion rate data, can provide a measurement of localized corrosion (pitting).
After taking a reading, the instrument displays conductance in µS, general corrosion rate in mils per year (mpy) and localized corrosion values. The reading can then be stored to memory or discarded. All stored readings are automatically tim e and date stamped. Readings are stored to non-volatile Flash memory which retains data without the need for a battery backup.
- Instrument Weight*: 2.13 lb. (0.97 kg)
- Total Weight w/ Case & Accessories: 7.40 lb. (3.35 kg)
- Instrument Dimensions*: 8.57" H x 4.54" W x 2.38" D (21.77cm x 11.53cm x 6.05cm)
- Carrying Case Dimensions: 14.50" H x 11.38" W x 5.88" D (36.83cm x 28.89cm x 14.92cm)
- Operating Temperature: -13° to 140°F (-25° to 60°C)
- Storage Temperature: -13° to 158°F (-25° to 70°C)
- LPR measurement with Harmonic Distortion Analysis
- Backlit graphical LCD display (240 x 128 pixel resolution)
- On-screen charting
- Automatic data-logging
- Non-volatile Flash memory
- Multilingual menu (English, Spanish, Portuguese, French)