PCB Piezotronics IMI SENSORS 691B40 Installation And Operating Manual page 6

The Model 691B40 Twelve Channel Switch Box Module
Operating Guide with Enclosed Warranty Information
3425 Walden Avenue, Depew, New York 14043-2495
Phone (716) 684-0003
Fax (716) 684-3823
Toll Free Line 1-800-959-4IMI
MANUAL NUMBER: 18419
MANUAL REVISION: NR
INDUSTRIAL MONITORING INSTRUMENTATION DIVISION