Each channel can be individually configured for single-pole double throw (SPDT), single-pole single throw (SPST), or voltage pulse measurements. Output options include state, duty cycle, or counts. The SW8A is well suited for use in energy mangement studies. We recommend a maximum of four SW8As be connected to a single datalogger.
Provides eight individually configured channels
Measures reed switches, dry contacts, or slow voltage pulses
Supports single-pole double-throw (SPDT), single-pole single-throw (SPST), or voltage pulse measurements
Conforms to EN55022-1:1995 and EN50082-1:1992
Operating voltage: 9.6 to 16 V
Typical current drain: 3 mA quiescent, 6 mA active (max)
Input voltage threshold: from below 0.9 to above 4.0 Vdc; ±20 Vdc max