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Fluke TiS75+ Thermal Imager, 384 x 288, 550 C

Description

TiS75+ 384 x 288 thermal imager with video and dew point

The Fluke TiS75+ is the higher of the two TiS+ thermal imagers designed for proactive maintenance programmes. It combines a 384 x 288 detector (110,592 pixels), a 42 by 30 degree field of view, manual focus, radiometric video and an on-camera dew point calculation in a one-handed body weighing 0.885 kg. Seven Star LLC supplies the TiS75+ in Oman and the GCC as an independent supplier in Muscat, not affiliated with the manufacturer.

The ordering list names three versions: FLK-TiS75+ 27HZ, FLK-TiS75+ 9HZ and FLK-TiS75+ 9HZ/CN. The suffix is the frame rate, and the /CN version is a region-specific variant, so state the frame rate when you enquire.

TiS75+ technical specifications

Parameter Specification
Manufacturer / part number Fluke / TiS75+
Infrared resolution 384 x 288 (110,592 pixels)
Field of view 42 ° x 30 °
Spectral band Approx. 8 µm to 14 µm
Thermal sensitivity 40 mK
IFOV 1.91 mRad
Focus Manual focus; minimum distance 0.15 m
Display 3.5 in touchscreen, 640 x 480 LCD
Temperature range -20 °C to 550 °C (not calibrated below -10 °C)
Accuracy ±2 °C or 2 %, whichever is greater, at 25 °C
Emissivity Top-ten material list plus numerical adjustment 0.01 to 1.00
Frame rate 9 Hz or 27 Hz models
Visible camera Up to 5 MP
Video Standard and radiometric, up to 5 minutes; avi and is3
IR-PhotoNotes Up to 3 extra visible images in the is2 file
User spot markers / boxes 5 adjustable spot markers / 5 adjustable measurement rectangles with min, max, average
Dew point Calculated on the camera
Memory About 500 images internal; SD card of 4 GB or more (over 1,000 images)
Battery Lithium-ion, 3.5 hours or more continuous without WiFi; charge in 2.5 hours or less
Operating / storage -10 °C to 50 °C / -20 °C to 50 °C without batteries
Enclosure / drop IP54 / 2 m
Size / weight Approx. 26.7 x 10.1 x 14.5 cm / 0.885 kg with battery
Warranty Two years standard

Features that set the TiS75+ apart from the TiS55+

The two cameras share the same housing, screen, IFOV and 40 mK sensitivity, so the extra pixels of the TiS75+ give a wider field of view rather than a finer view of the same scene. At one metre the TiS75+ sees a scene about 77 cm wide by 54 cm high, using the stated angles. On top of the detector, it adds video recording, dew point calculation, five markers and boxes instead of three, and three extra photos per image instead of one.

Feature TiS75+ TiS55+
Resolution 384 x 288 256 x 192
Field of view 42 x 30 deg 28 x 20 deg
Video Yes, avi and is3 No
Dew point on camera Yes No
Spot markers / boxes 5 / 5 3 / 3
IR-PhotoNotes Up to 3 Up to 1
Batteries and charger supplied 2 batteries and two-bay charger 1 battery

How the TiS75+ organises inspection data

Voice annotations of up to 60 seconds can be recorded through a Bluetooth headset and stored with each thermal image. IR-PhotoNotes capture extra visible pictures of nameplates or tag numbers into the same is2 file. Asset Tagging scans a QR code on the equipment so that following images are sorted by asset when the camera is connected to a computer. Auto capture takes images at a user-selected interval in is2 or JPEG, useful for logging a load change. Radiometric files can be analysed and exported as is3, is2, BMP, GIF, JPEG, PNG or TIFF using the desktop software.

Selecting the TiS75+

  • Choose the TiS75+ if you will record video or need dew point values for condensation checks on cold surfaces.
  • Prefer 27 Hz where machinery moves or the camera is panned; 9 Hz meets static panel work.
  • Note the 550 °C ceiling, below the 650 °C of the Ti300+.
  • Confirm manual focus suits your inspectors, since there is no laser assist.
  • Add spare smart batteries, car charger or tripod adapter as needed.

Because the TiS75+ carries two smart batteries and a two-bay charger in the box, a technician can run a full inspection day by swapping packs and recharging the spare during the break. Extra capacity matters most on large sites where a route may cover several substations before the camera returns to a charging point.

Commissioning and care of the TiS75+

Charge the batteries, insert an SD card, pair the Bluetooth headset if voice notes are wanted, and set the emissivity from the material list. Focus manually on the target before every shot, since a defocused image understates hot spots. Keep a two-year calibration interval and clean the lens carefully. The camera stands up to a 2 m drop and IP54 splash, but should not be hosed down.

Typical applications of the TiS75+ in Oman and the GCC

Facility teams in Oman use the TiS75+ on electrical distribution, chillers, cooling towers, boilers and building envelopes. Dew point calculation supports moisture investigations in humid coastal sites, where condensation on cold pipes and ducts is common. Industrial users in oil, gas and utilities use radiometric video to watch load swings on motors and transformers.

Information to send with an RFQ for the TiS75+

  • Part number TiS75+ and frame rate: 27 Hz or 9 Hz
  • Quantity and accessories such as spare battery, headset or tripod mount
  • Application, target temperatures and distances
  • Delivery location and lead time
  • Calibration paperwork needs

Storage, handling and spares for the Fluke TiS75+

Keep the Fluke TiS75+ in its carrying case when it is not in use, and store it in a clean, dry place. Remove or charge the batteries as recommended in the user manual before long storage. Field teams in Oman and the GCC should avoid leaving the instrument in a vehicle in the sun, as high cabin temperatures can exceed the storage range and shorten battery life.

  • Check the instrument, cables, hoses or lenses for damage before each job.
  • Clean the unit with a soft, slightly damp cloth only; do not use solvents unless the manual allows them.
  • Plan a calibration interval that matches your quality system, and keep the calibration certificate with the asset record.
  • Order wear parts and accessories, such as batteries, test leads, hoses or adapters, together with the instrument.

For calibration and test work, it helps to state in your RFQ whether you need an accredited calibration certificate with the Fluke TiS75+, so the right documents can be confirmed with the quotation.

Documents and quotation

A combined datasheet for the TiS75+ and TiS55+ is attached on this page.

Send the part number TiS75+, the frame rate and the quantity, and we will confirm availability and send a quotation.

Datasheets & Documents
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About brand

Fluke is the American maker of handheld electronic test tools: digital multimeters, clamp meters, insulation testers, process calibrators, thermometers, vibration meters and power quality analysers. John Fluke founded the John Fluke Engineering Company in Springdale, Connecticut, in June 1948 and moved it to Seattle in 1952. Fluke is headquartered in Everett, Washington, was acquired by Danaher in 1998 and has been part of Fortive since Fortive's spin-off from Danaher in 2016.

Seven Star LLC lists Fluke process calibrators, electrical test tools and bench calibrators, and sources them for maintenance teams and calibration laboratories in Oman.

Fluke company profile

Founded June 1948, Springdale, Connecticut, USA, as the John Fluke Engineering Company
Founder John M. Fluke Sr.
Headquarters Everett, Washington, USA (moved to the Seattle area in 1952)
Ownership Danaher from 1998; part of Fortive (NYSE: FTV) since July 2016
Product families Digital multimeters and clamp meters, insulation resistance testers, process and loop calibrators, infrared thermometers and thermal imagers, vibration meters, power quality analysers, Fluke Calibration laboratory standards

Milestones

  • 1948: John Fluke starts the company in Springdale, Connecticut.
  • 1952: The company moves to Seattle
  • 1987: A joint venture with Philips leads to the ScopeMeter handheld oscilloscope.
  • 1998: Danaher acquires Fluke.
  • 2016: Fluke becomes part of Fortive, spun off from Danaher in July.

Fluke calibrators and test tools listed

The main Fluke products on this page fall into three groups, besides other test tools such as further multimeters, a thermometer, an anemometer, a vibration tester and a portable appliance tester:

  • Process tools: the 754 documenting process calibrator with HART, 789 ProcessMeter, 721 dual sensor pressure calibrator and 729 automatic pressure calibrator
  • Electrical test: the 376 FC true-RMS clamp meter with iFlex probe and the 1587 FC insulation multimeter
  • Fluke Calibration bench standards: 5522A, 5502A, 5500A and 5080A multi-product calibrators, the 5720A multifunction calibrator, 8508A reference multimeter, 6100A electrical power standard and 9640A RF reference source

Several of the bench models belong to earlier generations. When a model is no longer produced, we check the manufacturer's documentation and propose the successor it names.

Where Fluke instruments are used

Fluke process calibrators are used for loop checks, transmitter calibration and valve tests in oil and gas, power and water plants. Clamp meters and insulation testers serve electrical maintenance on motors, switchgear and cables. The bench calibrators and reference multimeters are the working standards of electrical calibration laboratories in the GCC, where they calibrate multimeters, clamp meters, process tools and power analyzers.

Fluke products we list

Family Examples
Portable Test & Measurement 117 Electrician’s True-rms Multimeter with, 1507 Insulation Resistance Tester, 1550C 5 kV Insulation Resistance Tester, 1587 FC Insulation Multimeter, 376 FC True-RMS AC/DC Clamp Meter with iFlex, 5080A Multi-Product Calibrator, 5500A Multi-Product Calibrator, 5502A Multi-Product Calibrator and 17 more
Lubrication & Bearing Maintenance 805 FC Vibration Meter

Ordering Fluke instruments: what we need

Send the exact model with its suffix, since versions differ. A Fluke 721, for example, is defined by its two pressure ranges, and a 729 by its maximum pressure. For bench calibrators, list the options you need, such as oscilloscope calibration or power quality options, the line voltage, and the type of calibration certificate you require from the manufacturer. For Fluke multimeters and clamp meters, add the kit contents wanted, such as probes, leads or cases.

Frequently requested Fluke models: Fluke 5522A Multi-Product Calibrator.

Facts checked against published histories of Fluke Corporation and Fortive, October 2026.

FAQ

Questions about the Fluke TiS75+ Thermal Imager, 384 x 288, 550 C

Answers from our engineering team on installation, compatibility and integration.

01What is the resolution of the Fluke TiS75+?
The TiS75+ has a 384 x 288 detector with 110,592 pixels. It has a 42 by 30 degree field of view and a 1.91 mRad IFOV with the standard lens.
02Can the TiS75+ record video?
Yes. The datasheet lists standard and radiometric video recording, up to 5 minutes, saved as avi and is3 files. The TiS55+ does not offer video.
03Does the TiS75+ calculate dew point?
Yes, dew point is calculated on the camera for the TiS75+. This helps when investigating condensation risk on cold surfaces. The TiS55+ does not list this function.
04What temperature range does the TiS75+ cover?
It measures -20 °C to 550 °C and is not calibrated below -10 °C. Accuracy is 2 °C or 2 %, whichever is greater, at 25 °C ambient.
05How is focus set on the TiS75+?
Focus is manual, with a minimum focus distance of 0.15 m. There is no laser distance meter, so inspectors should focus on the target before capturing each image.