Hickok 539C with manual and DVD with tube data and more.
This 539C is calibrated and ready to go to work. Let me you have any questions.
 
See pictures 5 thru 8 for calibration specs and relative information this 539C. 
These 4 pages should tell you all you need to know about this 539C, but if you have any questions youcan contact me directly at: zz@hickokmeters.com
 
Please see the calibration information in the pictures.
 
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Please contact in advance of purchase for shipping costs internationally. The cost for shipping in the USA will be deducted from the total cost of shipping when shipped internationally.