8
Free Fall Adapter
012-05760B
Appendix C: Technical Data
Timer Specifications for the Free Fall
Adapter
The PASCO ME-9207B Free Fall Adapter can be used
with any timer that will:
1. Provide 5 VDC at 50 mA.
2. Provide a minimum resolution of 1 ms.
3. Begin counting on the negative slope of a pulse
and stop counting on the positive slope of the
pulse.
The connections for the stereo phone jack are indi-
cated in Figure 6. The schematic is shown below.
NOTE:
All resistors are 1/4 W, 5% unless
otherwise noted.
1/4”
Stereo
Phone
Jack
Signal Out
Ground
+5 Volt
Figure 9. Stereo Phone Jack Connections
Schematic Model ME-9207B Free Fall Adapter (956-03527A)
Summary of Contents for ME-9207B
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