Temperature/Humidity Data Logger with 2 Universal External Inputs

The OMYL-M90 and OMYL-M90E are temperature/ humidity data loggers that also accept two universal external inputs and are software configurable to record up to 6 parameters. These data loggers are available with standard memory of 100,000 readings (OMYL-M90, OMYL-M90E) or expanded memory of 4 million readings (OMYL-M90-4M, OMYL-M90E-4M).  -Integral Temperature/Humidity Sensors      OMYL-M90 has Internal Temperature/Humidity Sensors     Up to 4 Years Battery Life