DI

CONTROLLERS AND PARTS THEREFOR, FOR METAL-FORMING PRESSES-NAMELY, AUTOMATIC ELECTRONIC CONTROLLERS, RELAYS, OPTICAL SENSORS, ELECTRICAL SENSORS, MAGNETIC SENSORS, ELECTRONIC COUNTERS, TREADLE LOCK ASSEMBLIES, SWITCHES, AND GEAR ASSEMBLIES FOR DRIVING SWITCHES; PEAK STRAIN MONITORS; ELECTRONIC PRESENCE-SENSORS FOR CONTROLLING MACHINES, ACTUATING ALARMS OR PERFORMING SOME OTHER CONTROL FUNCTION; OPTO-ELECTRONIC PRESENCE-SENSORS; PRESSURE TRANSDUCERS; DEPTH SENSORS; MULTI-CHANNEL DATA ACQUISITION CIRCUITS COMPRISING MULTI-CHANNEL SIGNAL CONDITIONERS WITH SWITCHING FUNCTIONS AND DIGITAL INDICATORS; METER-INDICATORS COMBINING DIGITAL READOUTS WITH SIGNAL CONDITIONERS FOR DIGITAL CONTROLLERS; SIGNAL CONDITIONERS AND SIGNAL CONTROLLERS FOR INTERFACING PRESSure Transducers, Load Cells, and PressurE TRANSMITTERS WITH INDICATORS, RECORDERS, CONTROLS OR ALARMS; AND LOAD CELLS FOR MEASURING TENSION OR COMPRESSION FORCES