Fiber-type radiation thermometer FTKX series [for metals] *Demo units available for free rental.

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Fiber-type radiation thermometer FTKX series [for metals] *Demo units available for free loan.

last updated：Sep 28, 2026

ジャパンセンサー

Official site

Perfect for metal measurement! The definitive fiber optic radiation thermometer that can measure in harsh environments, through windows, and in tight spaces!

Japan Sensor, a manufacturer specializing in radiation thermometers with over 40 years of experience, offers the FTKX series fiber-type radiation thermometers, which can be selected according to your preferences from over 140 combinations. *Custom orders and modifications are also possible from just one unit, in addition to combinations! We have numerous achievements in automotive-related companies for applications such as high-frequency heating, laser welding, resistance welding, and measurements through windows in vacuum chambers or heating furnaces. ● ISO9001 certified ● All products are manufactured consistently in Japan ● Test reports, calibration certificates, and traceability diagrams can be issued ■ Adopts a coaxial LED aiming mechanism. The area illuminated by the aiming light is the same as the area being measured, making alignment very easy. ■ Features an IP67 equivalent structure, allowing installation even in harsh environments. ■ A wide range of accessories for measurements in harsh environments. ■ Uses green LEDs, making it easy to see and align even with glowing workpieces. ■ Fiber head heat resistance temperature of 150°C ■ Equipped with analog output and RS232C output ■ Ensures accurate temperature measurement with a world-class fast response time of 1mS (0.001 seconds) ■ Target size from φ0.15mm ★ Please apply for a free demonstration unit using the link below.

Related Link - https://www.japansensor.co.jp/products/ftkx/index.…

Inquire About This Product

basic information

【Main Specifications】 ■ Temperature measurement range with abundant variations from 100℃ to 2000℃ (custom options available for over 2000℃) ■ Capable of targeting small workpieces from φ0.15mm ■ Reliable temperature measurement with world-class high-speed response of 1ms (0.001s) 【Basic Specifications】 Aiming: Coaxial green LED aiming method Analog output: 1 point (switchable between 4–20mA, 0–20mA, 0–1V, mV/℃) RS232C output: 1 point (output swing range: approximately ±4V) Correction functions: Emissivity correction, sensor correction, reflection correction Structure: Equivalent to IP67 (excluding output connector part) Operating ambient temperature: Fiber head/0–150℃, temperature converter/0–50℃

Price information

For more details, please contact our sales department.

Price range

Delivery Time

※Depending on the time of year, it may take more than a month. Please feel free to contact us.

Applications/Examples of results

[Applications/Heating] ■ High-frequency heating ■ Forging ■ Casting ■ Resistance welding ■ Microwave heating ■ Laser heating ■ Measurement through a window

Detailed information

You can choose from large lenses to compact lenses according to your specifications.
This is a complete set of products. (Head unit, fiber unit, temperature converter, cable)

Line up（3）

Model number	overview
FTKX-TNE Type	■Measurement wavelength: 1.95–2.5μm ■Measurement temperature range: [1] 100℃–1500℃, [2] 180℃–2000℃, [3] 240℃–2000℃, (Note) The higher the temperature range, the smaller the target size that can be selected.
FTKX-PNE Type	■Measurement wavelength: 0.8–1.6μm ■Measurement temperature range: [1] 220℃–1650℃, [2] 300℃–2000℃, [3] 400℃–2000℃, (Note) The higher the temperature range, the smaller the target size that can be selected.
FTKX-ANE Type	■Measurement wavelength: 0.8–1.0μm ■Measurement temperature range: [1] 500℃–2000℃, [2] 600℃–2000℃, [3] 700℃–2000℃, (Note) The higher the temperature range, the smaller the target size that can be selected.