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> Humphrey pneumatic counter sac-24 select-a-counter
Humphrey pneumatic counter sac-24 select-a-counter
Humphrey Pneumatic "Select-A-Counter" Model SAC -24
Each count operates a ratchet piston which advances a 24-tooth circular gear by one tooth. When last "count" signal is received, a pin in the circular gear operates an internal 1/8" 3-way N/C valve supplying air to the OUT port. The 3-way valve also operates a second piston which allows the circular gear to return to the start position for another cycle when the last "count signal is released. Count is selectable from 1 to 24.
