Tektronix handheld oscilloscopes ths3000 series tektronix ths3014 the tektronix ths3014 is a handheld oscilloscope with 100mhz bandwidth 4 channels and 25gss maximum sample rate the ths3014 has 10 000 points record length per channel enabling you to capture more signal information at higher sample rates to clearly see signal details for applications where it is important to measure slow changing signals over long time periods the oscilloscope offers roll mode that extends the record