Humidity Transmitters  from Prime Controls Co.  Rotronic Instrument Corp.

Rotronic, a family-owned Swiss company, has been manufacturing humidity instruments since 1967. The sensor at the heart of the instrument is their own design and manufacture. The new instruments are adjusted in their own certified calibration lab. Accuracy and reliaility are assured. These are the most common models; call us for others, with questions, for quotes or to order.

HF3 Series HVAC Humidity/Temperature Transmitter
• lowest initial cost
• duct mount, wall mount, or sleeker "space mount"
• one or two outputs, humidity, temperature or dewpoint
• 2-wire, 3/4-wire transmitters or relay output "thermo-hygrostat"

HF5 Series Industrial Humidity/Temperature Transmitter
• interchangeable probe for easy maintenance
• remote probes available
• one or two ouputs, several calculated values selectable
• optional RS485, Ethernet or Wireless Ethernet

HF7 Series Industrial Humidity/Temperature Transmitter
• heavy duty all metal package
• ideal in harsh environments
• "cable-mount" version provides cost-effecive remote probe
• one or two outputs, humidity, temperature or dew/frost point