단종 - Four Channel State Recorder 
 [ 단종 ] Four Channel State Recorder , Part of the NOMAD Family 
 Interfaces to Contact Closures or 
 TTL Signals up to 30 V 
 The OM - CP - QUADSTATE is a four channel , battery powered , stand alone state recorder . This is an all - in - one compact , portable , easy to use device that will measure and record up to 52 , 428 state changes . The OM - CP - QUADSTATE senses input transitions or contact closures from external sources such as transducers and / or state initiators and records the time and input state of the device when a transition occurs . 
 Input Range : 0 to 12 Vdc continuous ( 0 to 30 Vdc peak ) 
 Input Impedance : > 1 K Ω 
 Reading Rate : 1 reading every second to 1 every 12 hours 
 참고 : Operator ’ s manual is included with the OM - CP - IFC 200 Windows software and USB cable , ( software is required to operate the data logger and is sold separately ) . To order data loggers with optional 120 Vac power , add suffix "- AC " to model number and add $ 100 to price .