Environmentally Conscious and Economically Sound Machine Dismantling Forum > Kenosha
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> Heath schlumberger sm-4100 frequency counter
Heath schlumberger sm-4100 frequency counter
HEATH SCHLUMBERGER SM-4100 FREQUENCY COUNTER
Frequency Range . . . . . . . . . . . . . 5 Hz to 30 MHz minimum, max 42 MHz see picture
Sensitivity . . . . . . . . . . . . . . . 15 mVrms (50 mV, 5 Hz to 50 Hz)
Input Impedance . . . . . . . . . . . . . 1 Mohms shunted by less than 35 pF
Attenuator . . . . . . . . . . . . . . . X1, X10, X100 fixed compensation
