IME Model 108KN is a Battery Operated Digital Temperature Indicator which accepts a standard Pt100 RTD sensor and provides a crisp 4-digit LCD (approx height 1/2" or 12.5 mm).

When compared to the archaic Bimetallic indicators, operating costs are reduced since just one device covers the entire range of local temperature measurement -200° to 850° C (-328° to 1,562° F) with higher accuracy.

Model 108KN is designed for use in process industries where vibration, inclement weather and corrosive atmospheres prevail. The electronics are enclosed in a low cost UV resistant polycarbonate housing, which meets NEMA 4X and IP66/68 requirements.


  • Input Pt100 RTD
  • 4-digit LCD display on ° C or ° F
  • Polycarbonate enclosure
  • Designed to replace bimetallic sensors
  • Wall or pipe mounting
The above description encapsulates the entire product series. Specifications for individual configurations may vary depending on the selection chosen.

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Environmental Protection

  • IP66
  • IP68
  • NEMA 4X

Operating Temperature

  • Ambient: -20° to 60° C (-4° to 140° F)

Temperature Range

  • -200° to 850° C (-328° to 1,562° F)

RTD Type

  • Pt100


  • Indication Accuracy: Better than ±0.1° C (0.18° F)


  • Cable Size: 0.19 to 0.70" (5 to 18 mm)

Instrument Connection

  • 1/2" Female BSP
  • 1/2" Female NPT
  • M16 x 2P

Power Requirement

  • Lithium AA Cells Batteries

Electrical Connectors

  • Cable Gland: 1/2" Female NPT
  • Cable Gland: 1/2" Male NPT
  • Cable Gland: 3/4" Female NPT
  • Cable Gland: 3/4" Male NPT
  • M20 x 1.5P


  • 4 Digits LCD Display


  • 2" Pipe Mounting
  • Field Mounting
  • Wall Mounting

Enclosure/Body Material

  • UV Resistant Polycarbonate

O-Ring Material

  • Hydrogenated Nitrile

Battery Life

  • 24 Months