The PeakTech 205-05 is an analog voltmeter that has two scale measuring ranges. With the two scale ranges 0 -3 V and 0 - 15 V DC, it is possible to read the measured voltages with high precision. This inexpensive device is designed for use as a desk device / bench device, furthermore this analog device does not require a power supply, which means that it can be used permanently and economically. The respective measured values can easily be read by the student on the large analog mirror scale.