Dear Sir,
I am in charge of calibration and maintenance concerning the Test Instrument.
We have been using Pocket Function Generator (Model : HPG1, S/N:201508288).
Is it required a periodic calibration?
If it is required, please inform me recommend calibration interval.
And I want to know calibration procedure for above instrument.
Please inform me calibration procedure.
I look forward to your cooperation and prompt reply.
Best regards,