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Tektronix DM502
basic 3½ digit digital multimeter
Tektronix DM502

Compatible with TM500 system

Produced from 1975 to 1988

Manuals – Specifications – Links – Pictures

The Tektronix DM502 is a basic 3½ digit digital multimeter plug-in for the TM500 system. It has an Int/Ext switch that allows alternate input connections via the rear interface to be selected.

The DM502A model added a temperature input for the P6601 probe.


Voltage ranges 200 mV to 200 V in decade steps; 1 kV (DC) / 500 V (AC) top range
Current ranges 200 μA to 2 A in decade steps
Resistance ranges 200 Ω to 20 MΩ in decade steps