Edwards Vacuum Penning Gauge Head Model 6 shows error codes

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Edwards Vacuum Penning Gauge Head Model 6 shows error codesPlease contact us for international shipping options we ship internationally. We can often ship cheaper than the calculator price. Edwards Vacuum Penning Gauge Head Model 6 Condition: Used; Description: working condition as pictured. Please see full size pictures below. Only items pictured are included, other items such as accessories, manuals, etc. unless they are pictured are probably not included. Please ask if you have any questions and I would be