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TPI handheld oscilloscopes with True RMS DMM are portable, making them easy to hold and manipulate.

The hand held 440 scope plus features an easy to use combination of a single input 1 MHz oscilloscope with True RMS DMM.

The TPI 440 is a hand-held oscilloscope plus autoranging DMM. The instruments large, backlit LCD display shows a reading and waveform simultaneously. In addition to the standard functions of ACV, DCV, ACA, DCA, Ω, Diode Test and Continuity Buzzer; the 440 measures Frequency (Hz),Capacitance, Logic and Component test functions.

The 440 also has RS232 output and software for interfacing with a PC is offered as an optional accessory.