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Last modified 2026-01-08

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DSI Instruments 3550

A picture of DSI Instruments 3550

SPECIFICATIONS

Type:Frequency counter
Frequency range:0.05-550 MHz
Power supply:9 VDC (Six LR14 / C batteries)
or 8.2-14.5 VDC external
Current drain/power consumption:150-300 mA
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Manufactured:USA, 197x-19xx (Discontinued)
Additional info: 25 mV @ 150 & 250 MHz, 75 mV @ 550 MHz.

New price 1979 in the US: $99.95 (Kit)
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