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Tektronix DM505
basic 3½ digit digital multimeter
Tektronix DM505

Produced from 1980 to (?)


Tektronix DM505 Manual (OCR)

(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, nor true RMS AC measurement functionalities.

Key Specifications

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


Documents Referencing DM505

Document Class Title Authors Year Links
Tekscope 1979 V11 N2.pdf Article New Products 1979
Tekscope 1979 V11 N3.pdf Article A New DMM Family for the TM 500 Series Bill Mark 1979


please add


Some Parts Used in the DM505

Part Part Number(s) Class Description Used in
120-1245-00 120-1245-00 Discrete component transformer DM505
Siliconix LD110/111A 156-0476-00 156-0476-00 156-1268-00 Monolithic integrated circuit 3½ digit A/D converter DM502 DM502A DM505