• Range: -20 to 450°C (–4 to 842°F)
  • 2.8 mRad spatial resolution
  • 36,300 (220 x 165) pixel resolution
  • 30Hz frame rate
  • 35.7° x 26.8° field of view
  • 353:1 distance-to-spot ratio
  • ±2°C or 2% (at 25°C nominal, whichever is greater)
  • Manual focus, minimum focus distance 0.15 m (6 in)
  • IR-Fusion technology with five AutoBlend modes
  • Five picture-in-picture modes
  • Thermal sensitivity: ≤0.08°C at 30°C target temp (80mK)
  • 7.5 to 14 μm spectral band
  • Rugged 3.5 inch (landscape) 320 x 240 LCD display
  • Built-in visible light digital camera (5MP)
  • Engineered to withstand 2 meter (6.5 feet) drop
  • IP54 enclosure rating
  • Voice annotation
  • Internal 4GB memory and 4GB micro SD card
  • Create and email reports onsite with Fluke Connect
Interested in a FREE demo? Call 1-800-884-4967 or complete this form to submit your request.

What's in the Box

  • AC charger/power supply with mains adapters
  • One lithium ion smart battery
  • USB cable
  • Soft transport bag
  • Micro SD Card
  • Adjustable hand strap
  • Hard carrying case
  • Statement of factory calibration
  • Quick start guide
  • Safety sheet


The Fluke TiS55 thermal imager is part of the Fluke Performance Series of thermal imagers. The TiS55 provides the resolution, range and accuracy to easily and quickly identify problems before they become expensive failures. Whether you are a building inspector, electrician, energy auditor, equipment technician, or plant manager; the Fluke TiS55 thermal imager is the ideal tool for identifying heat and moisture issues in building applications, process industries and industrial/electrical maintenance.

The Fluke TiS55 has a measuring range from -20 to 450°C with an accuracy of ±2°C or 2% (whichever is greater). The imager provides 220 x 165 pixel resolution and manual focus with a minimum focus distance of 0.15 m (6 in). The TiS55 has a versatile, ergonomic design capable of one-handed operation and a rugged body engineered to withstand a drop from 2 meters. The large 3.5" 320 x 240 LCD display has a 30Hz refresh rate. Images can be stored in an internal 4GB memory or 4 GB micro SD card. Fluke Connect makes it easy to create and email reports from the jobsite, eliminating the need to go back to the office to process reports.

Applications for the Fluke TiS55 Thermal Imager:

  • Overloaded electrical systems with excessive current
  • High-resistance electrical connections
  • Industrial component failure
  • Worn or damaged bearings
  • Bearing lubrication issues
  • Abnormal heat flow and heat gradients
  • Improperly-operating valves and steam traps
  • Tank levels and sludge build-up
  • Improperly installed or missing insulation
  • Unexpected heat loss or gain
  • Improperly installed or damaged HVAC ductwork
  • Defective or damaged seals on doors and windows
  • Problems with HVAC installations
  • Unexpected moisture