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Class Instrumentation PL1 Plus
The new PLI Plus is a powerful new upgrade from the original successful PLI unit. With all the features of the original PLI design, it also has the ability to boost the power by 12, enabling cylinders to be read even when they are in poor condition, or suffering from a layer of rust.
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Class Instrumentation PL1 Digital
The PLI Digital has the ability to take a reading from cylinders in poor condition or suffering from a layer of rust. It also has an inbuilt thermometer (in both C & F), an easy-to-read digital display, one-button set-up function for faster cylinder testing and smart plug, which enables the signal strength to be monitored by an audio signal from an internal speaker.
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