[No.1]

The product itself includes a certificate of calibration that was calibrated by the manufacturer, inspection certificate, and tracability system diagram. A hydrometer commonly used in many ways. Manufactured according to the manufacturing standards of measuring method. The standard temperature is 59°F (15°C) (15/4°C). The quantity is 1 (this is not a set of 19. ● Your order will require the certification document address (company name and location). ●The delivery date will be delivered after confirming the address of the calibration documents. The certificate of calibration is data at the time of production. The calibration point (point) is the designated point of the manufacturer. ●※Cancellations or returns after order is not accepted.