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Tektronix DM505
basic 3½ digit digital multimeter
Tektronix DM505

Produced from 1980 to (?)


Tektronix DM505 Manual (OCR, PDF)

(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix DM505 is a basic 3½ digit digital multimeter plug-in for the TM500 system.

It is similar to the DM502A but does not provide autoranging, temperature measurements, or true RMS AC measurement functionalities.


Voltage ranges 200 mV to 200 V in decade steps; 1 kV (DC) / 500 V (AC) top range
Input impedance DM502A 10 MΩ
Current ranges 200 μA to 2 A in decade steps
Resistance ranges 200 Ω to 2 MΩ in decade steps