THT33 was designed for any application in the thermal imaging field. It enables you to save thermal images into its internal memory under BMP format as well as display and share those pictures on your mobile devices (tablets/smartphones) through Bluetooth connection and special APP HTMercury.

THT33 is provided with IR sensor with resolution (80x80pxl) making it suitable for maintenance operations on every type of industrial installations. This model has a wide temperature range (max. 380°C) granting you the opportunity of carrying out advanced analysis including up to 3 measuring points on each picture. It is the ideal device to detect electrical faults, check of mechanical parts, analysis of hydraulic systems, forced ventilation, etc.

HT Instruments THT33 Compact Infrared Camera Infrared Thermal

  • Please allow 4-5 weeks for this item to arrive.

    This item comes with a 1 year manufacturer warranty.

    • Compact Infrared Camera with 80x80pxl Resolution and Bluetooth
    • Infrared temperature measurement ranging from -20°C to 380°C
    • 3 measuring cursors (central steady + hot spot + cold spot)
    • Emissivity of materials which can be selected between 0.01 and 1.00
    • Image frequency: 50Hz
    • 5 selectable color palettes
    • Automatic detection of hot/cold spots of the image
    • Internal memory for image saving
    • IR sensor resolution: 80x80pxl
    • Bluetooth connection BLE 4.0 to mobile devices through the APP HTMercury
    • Built-in white LED illuminator
    • USB port for battery recharge
    • Rechargeable Li-ION battery




    Temperature screening with alarm threshold 32 ÷ 42 ±0.5
    IR sensor resolution 80x80
    Infrared temperature measuring range -20°C + 380°C/ -4°F + 716°F
    Thermal sensitivity <0.1°C @ 30°C
    NETD <100mK
    Spectrum range 8 ÷ 14μm
    IFOV (@1m) 4.53mrad
    Type of IR sensor UFPA
    Frequency 50Hz
    Field of view (FOV) 21°x 21°
    Focus width of standard lens 7.5mm
    Focusing of IR optics Automatic
    Resolution and FOV of integrated camera  
    3 cursors: Central, Min, Max.  
    8 standard + 10 custom colour palettes 5 standard, no custom
    Readings in °C, °F, °K  
    AVG function  
    Integrated white light illuminator  
    Manual and automatic span  
    Power supply with rechargeable battery  
    Mini-USB interface for PC connection  
    Battery type Rechargeable Li-ION 3,7V 1300mAh
    Recharging system On thermal camera
    Duration 5 hours (Bluetooth OFF), 4 hours (Bluetooth ON)
    Hole for tripod insertion  
    Operating temperature -10°C ÷ 45°C
    Operating humidity <80%RH
      -20°C ÷ 60°C
    Storage humidity <80%RH
    Mechanical protection IP54 in compliance with IEC529
    Falling test 2m
    Size (LxWxH) (mm) 180x60x75mm
    Weight in grams (batteries included) 260g

For Sales, Calibration, or Repair Services Call 1 (888) 868 - 4546

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750 Oakdale Rd Unit 52

Toronto, Ontario

M3N 2Z4 Canada

Local: (905) 406-0100 

1 (888) 868 - 4546

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