Precision multimeter Gossen Metra Hit 23S in a protective rubber cover. Measuring functions V, dB, Ohm, F, Hz, °C/°F, resolution 10 µV, 10 m Ohm, frequency and pulse generator, IR data interface, measurement value storage.
<a href="//commons.wikimedia.org/wiki/User:Harke" title="User:Harke">Harke</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>