TWN-TXX-TB: Loop-Powered Two-Wire T/C to 4-20mA Converter      specsheet 

  • Small Size - Fits Standard Terminal DIN Rails
  • Standard Ranges for Type J, K, E, T, S, R
  • Special Ranges & Types Available
  • Industry Standard 4-20 mA Output
  • Loop-powered from Input Loop, no Additional Power Supply Required
  • Wide Operating Range (8 to 60 VDC)
  • High Noise Rejection
  • CSA and NRTL Approved (LR 51078)

The TWN-TXX-TB comes in a small, easy to install package. It has a universal DIN mount which makes it ideal for installation into crowded control panels. The many different Thermocouple types and ranges allow it to be used in a great variety of temperature measurement applications.

Upscale protection is standard on all units unless downscale protection is specified.

  • Operating Power (from Output Loop): 12-60 VDC
  • Input Impedance: 1 Meg Ohm Minimum
  • T/C Compensation: Cold Junction Compensation
  • Output: 4-20 mA
  • Accuracy/Linearity: +/-0.25% max., +/-0.1% typ.
  • Response Time: 100 msec to 63% of final value, 400 msec to 99% of final value
  • Operating Temperature: -20 Deg.C. to +50 Deg.C.
  • Temperature Effects: +/-0.25% max., +/-0.1% typ. (for 50 Deg.C. change)
  • Span Drift: 0.025% per Deg.C.
  • Line Effects: 0.03% pet 10 VDC Line Change (calibrated for 24 VDC)