4-20mA

  • Siemens QAC3 series temp sensor

    Siemens QAC3171 Outdoor Temperature Sensor, 4-20mA, -58 to 122F, Plastic

     $94.91
  • Siemens QFA2001 Humidity Room Sensor, 4-20mA, 2 Wire, 5%

    Siemens QFA2001 Humidity Room Sensor, 4-20mA, 2 Wire, 5%

     $174.88
  • Siemens QFA4171D Temperature and Humidity Room Sensor, Display, 4-20mA, 2%, Certified

    Siemens QFA4171D Temperature and Humidity Room Sensor, Display, 4-20mA, 2%, Certified

     $657.70
  • Siemens QFM3171D Duct Temperature and Humidity Sensor, Display, 4-20mA, 2%

    Siemens QFM3171D Duct Temperature and Humidity Sensor, Display, 4-20mA, 2%

     $309.05
  • Siemens SQV Series Valve Actuator

    Siemens SQV91P30U Valve Actuator

     $907.96
  • Siemens SQV Series Valve Actuator

    Siemens SQV91P40U Valve Actuator

     $907.96
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