PTB-CAL15 Certified Weight Set for Calibrations
![PTAG_28-00290_PTB-CAL15](/sites/default/files/styles/large/public/2017-06/PTAG_28-00290_PTB-CAL15_002.jpg?itok=2MsV6k6i)
The PTB Cal15 is a certified wieght set that comprises of a 5, 10 and 15 kg weight that is used to calibrate all Pharma Test and other manufacturer's hardness tester load cell. According to the latest USP <1217>, the PTB Cal 15 can be used to fulfill the 3-point calibration requried. Furthermore, the PTB Cal15 offer a notched center to easily balance on the load cell. The unit comes complete with an NIST traceable certification and allows the user to perform do-it-yourself calibrations.