Tektronix carrying cases for the ths3000 series tektronix hchhs the tektronix hchhs is a hard carrying case specifically designed to provide travel and storage protection for the tektronix ths3000 series handheld oscilloscopes the case protects instruments from shock vibration and moisture and provides room for associated accessories such as probes and adaptors tektronix hchhs hard carry case for ths3000 series