Digital Infrared Temperature SensorFT series


Sensor Head


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Mid to low temperature Ultra long-range

Rated temperature range

0 to 500°C 32 to 932°F*1

Displayable temperature range

-50 to +520°C -58 to +968°F

Detecting distance

Unlimited *2

Measuring distance /
View diameter (example)

500/ø18 mm 19.69"/ø0.71"
1500/ø30 mm 59.06"/ø1.18"
3000/ø75 mm 118.11"/ø2.95"


2-point visible laser beam*3

Detecting element


Detecting wavelength

8 to 14 μm 0.31 to 0.55 Mil


±3°C 26.6 to 37.4°F

Emissivity (ε) correction

0.10 to 1.99 (0.01 step)

Environmental resistance

Operating temperature range

-10 to 55°C 14 to 131°F, No freezing

Operating ambient humidity

35 to 85% RH (No condensation)


10 to 55 Hz, double amplitude: 1.5 mm 0.06", 2 hours in each of X, Y, and Z axis directions

Shock resistance

500 m/s2, 10 times in each direction of each axis (X, Y, Z), 60 times in total


Main unit

Case: Reinforced glass plastic, Infrared collector lens: Germanium, Laser transmitter: Polyarylate
Lens tube*4: Aluminum, Cable: Vinyl chloride, Mounting bracket: SUS304, Mounting screw: Stainless steel

Mounting bracket



Mounting bracket


Approx 150 g

*1 Repeatability is guaranteed within the rated temperature range.
*2 Place at a distance so that object appears 1.5 times larger than the view diameter.
*3 Visible semiconductor laser beam wavelength 655 nm, Class 1 Laser Product [IEC60825-1, FDA (CDRH) Part1040.10]. The laser classification for FDA (CDRH) is implemented based on IEC 60825-1
in accordance with the requirements of Laser Notice No.50.
*4 No lens tube on models FT-H10, FT-H20, and FT-H30.

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