Current Loop HVAC Controllers Datasheets

1/4 DIN Digital Controllers -- 4000A Series
from OMEGA Engineering, Inc.

The OMEGA ® 4000A Series digital controller distinguishes itself by features, construction, and operation one would expect to find only in controllers costing much, much more. Bright, easy-to-read LED digits yield an unambiguous temperature indication which is not achievable with an analog... [See More]

  • Control Signal: Analog Voltage Output (optional feature); Current Loop Output (optional feature); Switched Output (optional feature); Other (optional feature); Triac
  • Control: Limit (optional feature); PID (optional feature)
  • Controller Type: HVAC
  • Features: Rate Indication/ Control
Setpoint Controller -- PXZ4
from Instrumart

The Model PXZ4 Set Point Controller is one of the most technically advanced instruments in the industrial and commercial markets today. It is also one of the least expensive controllers of its kind. Through the use of a specially designed Fuji microprocessor, the Model PXZ4 incorporates the latest... [See More]

  • Control Signal: Current Loop Output
  • Control: Limit; PID; Fuzzy Logic
  • Controller Type: HVAC
  • Features: Multi-Function; Rate Indication/ Control
Air Measuring Station -- IAQ50X
from Ruskin Company

The IAQ50X is an air measuring station with an ultra low-leak, high performance control damper that is integral to the flow sensing section. This patented design provides a solution that measures and controls flow in an 11" (279) deep assembly. The assembly exceeds AMCA class 1A leakage... [See More]

  • Control Signal: Current Loop Output
  • Control: Limit
  • Controller Type: HVAC
  • Form Factor: Chassis