This unit will need calibrated and unfortunately we do not have the key for the back of this unit. We are selling this for parts or repair as we do not know anything about it and we are unsure if it functions properly.
We are offering free shipping to the contiguous 48 states in the USA.
Valhalla Scientific Programmable AC Voltage/Phase Standard
Unless otherwise stated, free shipping is only available to the contiguous 48 United States. Buyers in Alaska, Hawaii, or International should contact us for more details and a shipping quote.