Fluke TiS55+ 27 Hz Thermal Imager


Key Features:

  • 256 x 192 infrared resolution
  • Asset Tagging
  • Touchscreen IR Fusion™
  • Manual and fixed focus
  • Measure up to 550 °C
  • Engineered to withstand 2 meter drop
Product Options:

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The Fluke TiS55+ Thermal Imager helps you tackle almost anything you’ll face in the field. The TiS55+ features 256 x 192 thermal resolution, high temperature range up to 550 °C, can withstand a 2-meter drop and is water/dust resistant (IP54).


Save time and increase productivity in the field with Fluke Connect




  • • Share images in real-time across teams with Fluke Connect
    • Save time by creating and emailing reports from the jobsite
    • Capture multiple measurements all in one report
    • WiFi upload and free storage with Fluke Cloud™
    • Store thousands of images with internal 4 GB memory and external slot



  • • Thermal imager
    • AC power supply (including universal AC adapters)
    • One rugged lithium ion smart batteries
    • USB cable
    • 4 GB micro SD card
    • Rugged hard carrying case with soft transport bag and adjustable hand strap
    • Available by free download: Fluke Connect™ software and user manual
Key FeaturesTiS55+
Infrared resolution256 x 192 (49,152 pixels)
IFOV1.91 mRad
Field of view28° x 20°
Minimum focus distance0.15 m
Focus systemManual focus
Wireless connectivityYes, to PC, iPhone® and iPad® (iOS 4s and later), Android™ 4.3 and up, and WiFi and LAN (where available)
Fluke Connect app compatibleYes*, connect your camera to your smartphone, and images taken automatically upload to the Fluke Connect app for saving and sharing
Fluke Connect Assets optional softwareYes*, assign images to assets and create work orders. Easily compare measurement types - whether mechanical, electrical or infrared images - in one location
Asset TaggingScan a QR code to automatically organize and file thermal images with Fluke Connect™
IR-Fusion technologyAutoBlend continuous 0 % to 100 %. Adds the context of the visible details to your infrared image
Picture-InPicture (PIP)Yes
Display3.5" (8.9 cm landscape) touchscreen 640 x 480 LCD
Ergonomic designDesigned for one-handed use
Thermal sensitivity40mk
Level and spanSmooth auto and manual scaling
Fast auto-rescale in manual modeYes
Minimum span (in manual mode)3°C (4.5 °F)
Minimum span (In auto mode)5°C (9.0 °F)
Built-in digital camera (visible light)5mp
Frame rate9 Hz or 27 Hz models
Dew point calculationNo

Data storage and image capture
Internal memory∼500 images
External memory≥4 GB SD card (>1000 images)
Image capture, review, save mechanismOne-handed image capture, review, and save capability
Image file formatsNon-radiometric BMP or JPEG or fully-radiometric is2
Memory reviewYes
SoftwareFluke Connect software—full analysis and reporting software with access to the Fluke Connect
Analyze and store radiometric data on a PCYes
Export file formats with Fluke Connect softwareis2, BMP, GIF, JPEG, PNG, TIFF
Voice annotationYes, 60 second maximum audio recording via Bluetooth Audio Headset Profile (HSP) connection to external device.
IR-PhotoNotesYes. Up to 1 extra user-selectable visible light image capture to be included in IS2 file.
Text annotationsAfter IS2 capture, user can type in a note using on-screen keyboard.
Video recording and formatsNo
Remote control operationsNo
Auto capture (temperature and interval)Yes. User-selectable time interval for capturing IS2 or Jpeg files.

Batteries (field-replaceable, rechargeable)Lithium-ion rechargeable battery
Battery life≥3.5 hours continuous without WiFi (Actual life depends on settings and usage)
Battery charging time≤2.5 hours to full charge
Battery charging systemTi SBC3B Two-Bay Battery Charger or in-Imager charging. (does not come with two-bay battery charger)
AC operationAC operation with included power supply, universal adapters included Output: 15 VDC, 2 A
Power savingUser-selectable sleep and power off

Temperature measurement
Temperature range (not calibrated below -10 °C)-20 °C to 550 °C (not calibrated below -10 °C)
Accuracy±2 °C or 2 % (whichever is greater) at 25 °C ambient temperature
On-screen emissivity correctionYes, “top ten” material list plus numerical adjustment between 0.01 and 1.00

Color palettes
Standard palettes6

General specificiations
Color alarmsYes
Infrared spectral band~8-14μm
Operating temperature-10 °C to 50 °C (14 °F to 122 °F)
Storage temperature-20 °C to 50 °C (-4 °F to 122 °F) without batteries
Relative humidity10 % to 95 % non-condensing
Spot temperatureCenter spot (unmovable)
User-definable spot markersYes, 3 user-adjustable spot markers for a single pixel each. Position is adjustable. Temperature value for marker shown on screen. User can choose to switch display on/off for each marker.
User defined measurement boxesYes, 3 user-adjustable rectangles. Size and position are adjustable. Rectangle statistics shown on screen: Min, Max, Average temperature. User can choose to switch display on/off for each marker.
Hard caseRugged hard carrying case with soft transport bag, including adjustable strap
Safety standardsIEC 61010-1: Pollution Degree 2
Electromagnetic combabilityIEC 61326-1: Portable Electromagnetic Environment; IEC 61326-2-2 CISPR 11: Group 1, Class A
Australian RCMRCM IEC 61326-1
US FCC47 CFR 15 Subpart C Sections 15.207, 15.209, 15.249
Vibration10 Hz to 150 Hz, 0.15 mm, IEC 60068-2-6
Shock30 g, 11 ms, IEC 60068-2-27
DropEngineered to withstand 2M drop
Sized (H x W x L)∼(26.7 cm x 10.1 cm x 14.5 cm)
∼ (10.5 in x 4.0 in x 5.7 in)
Weight (battery included)0.885 kg (1.95 lbs)
Enclosure ratingIP54
WarrantyTwo-years (standard)
Recommended calibration cycleTwo-years (assumes normal operation and normal aging)
Supported languagesCzech, Dutch, English, Finnish, French, German, Hungarian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, and Turkish
RoHS compliantYes
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