Product Details
Company Profile

FT Series KEYENCE Temperature Sensor Non Contact Industrial Temperature Sensor

KEYENCE FT Series Temperature Sensor | High Precision Non-Contact Industrial Measurement

FT Series Temperature Sensor

The FT Series Temperature Sensor delivers high precision non-contact industrial measurement for automotive, electronics, food processing, and metalworking applications. Using infrared sensing with laser positioning, it captures accurate temperature data without touching targets, avoiding surface damage and enabling safe monitoring of moving, high-temperature, or hard-to-reach objects. Fast response, stable output, and anti-interference design ensure reliable performance in harsh environments, while easy setup and long detection distance simplify installation and reduce maintenance.

Key Features

High Precision Non-Contact Measurement: Infrared sensing with laser positioning enables accurate temperature capture without touching targets, avoiding surface damage and supporting moving, high-temperature, or hard-to-reach objects.
Fast Response & Long Detection Distance: Response time as fast as 15 ms, detection distance up to 3000 mm, ideal for high-speed production lines and remote installations.
Dual Laser Sight & Easy Setup: Dual laser pointers clearly mark the detection area for simplified alignment; compact design saves space compared to conventional sensors.
High Stability & Anti-Interference: IPC circuit and center floating structure ensure stable output, vibration resistance, and immunity to interference in harsh environments.
Wide Temperature Range & Versatility: Measures from -50 to 1350°C, compatible with metals, glass, plastics, and suitable for automotive, electronics, food processing, and metalworking.
Simplified Operation & Low Maintenance: Direct emissivity input without complex calculations; dust-proof, fog-resistant, and durable design reduces upkeep and extends service life.

Models, Specifications & Industry Adaptation

Model	Product Type	Temperature Range	Detection Distance/Spot Size	Repeat Accuracy	Response Time	Core Specifications & Features	Adaptable Industries
FT-H10	Mid-low Temp, Small Spot Infrared Probe	0-500°C (Display Range: -50~+520°C)	17.5mm/ø6.3mm; 35mm/ø1.5mm; 52.5mm/ø8mm	±0.5°C	Up to 15ms (HSP Mode)	Dual laser positioning (655nm, Class 1), 8~14μm infrared band, emissivity adjustable (0.10~1.99), vibration & shock resistant, germanium lens.	Electronics manufacturing (PCB/SMT), precision parts processing, medical equipment, small component temperature detection.
FT-H20	Mid-low Temp, Mid-range Infrared Probe	0-1350°C (Display Range: -50~+1400°C)	60mm/ø8.5mm; 120mm/ø6mm; 180mm/ø14.5mm	±3°C	Up to 15ms (HSP Mode)	Dual laser positioning, balanced accuracy & detection distance, ambient resistance (-10~55°C, 35%~85%RH), dust-proof design.	Automotive component manufacturing, metal heat treatment, glass forming, electronic component furnace temperature monitoring.
FT-H30	Mid-low Temp, Long-range Infrared Probe	0-500°C (Display Range: -50~+520°C)	200mm/ø15mm; 400mm/ø18mm; 600mm/ø33mm	±0.5°C	Up to 15ms (HSP Mode)	Stable long-distance output, fast emissivity calibration, compact structure, suitable for remote installation in industrial sites.	Food baking, packaging industry, large equipment monitoring, warehousing & logistics cold chain surface temperature measurement.
FT-H50	Mid-low Temp, Extra-long Range Infrared Probe	0-500°C (Display Range: -50~+520°C)	500mm/ø18mm; 1500mm/ø30mm; 3000mm/ø75mm	±0.5°C	Up to 15ms (HSP Mode)	Max 3m detection distance, anti-interference (IPC circuit), no data drift, separate probe design, easy installation.	Metallurgy, large pipeline temperature measurement, wind power & photovoltaic equipment monitoring, remote high-temperature target detection.
FT-H40K	High Temp, Mid-range Infrared Probe	0-1350°C (Display Range: -50~+1400°C)	100mm/ø7.5mm; 150mm/ø6mm; 300mm/ø11.5mm	±3°C	Up to 15ms (HSP Mode)	High-temperature resistant material, dust & oil resistant, accurate mid-range measurement, suitable for high-temperature workpieces.	Iron & steel metallurgy, forging, non-ferrous metal smelting, high-temperature workpiece inspection.
FT-H50K	High Temp, Extra-long Range Infrared Probe	0-1350°C (Display Range: -50~+1400°C)	500mm/ø18mm; 1500mm/ø30mm; 3000mm/ø75mm	±3°C	Up to 15ms (HSP Mode)	3m extra-long distance + high-temperature resistance, reinforced lens protection, stable performance in harsh high-temperature environments.	Glass/ceramic kilns, continuous metal casting, refractory material detection, real-time high-temperature kiln monitoring.
FT-50A	NPN Output, DIN Rail Mount Amplifier	-- (Used with matching probes)	--	--	15~5000ms (Adjustable)	12~24VDC power supply, 2-channel NPN open collector output, 4~20mA analog output, 4 sets of parameter storage, DIN rail mounting.	General industrial automation, NPN-type PLC systems, assembly line temperature control, industrial control cabinets.
FT-55A	NPN Output, Panel Mount Amplifier	-- (Used with matching probes)	--	--	15~5000ms (Adjustable)	Dual-color LED display (4.5-digit), easy operation, panel mounting, anti-interference, suitable for HMI integration.	Industrial control panels, HMI systems, small automation equipment, on-site temperature control terminals.
FT-50AP	PNP Output, DIN Rail Mount Amplifier	-- (Used with matching probes)	--	--	15~5000ms (Adjustable)	2-channel PNP open collector output, 4~20mA analog output, DIN rail mounting, compatible with PNP automation systems.	PNP-type automation lines, high-end industrial control equipment, multi-channel temperature measurement systems.
FT-55AP	PNP Output, Panel Mount Amplifier	-- (Used with matching probes)	--	--	15~5000ms (Adjustable)	Compact panel design, one-touch calibration, PNP signal output, suitable for compact control cabinets.	Precision automation equipment, PNP-type PLC systems, small temperature measurement terminals, electronic control modules.
FT-S1	Cooling Jacket (Accessory)	-- (Probe protection for high temp)	--	--	--	Air supply 15L/min recommended, pressure <1MPa, protects probe in high-temperature environments, extends service life.	High-temperature kilns, furnaces, metallurgy high-temperature scenarios, high-temperature workpiece detection supporting.
FT-S2	Lens Cover (Accessory)	-- (Probe lens protection)	--	--	--	Germanium lens (infrared transmittance >85%), dust & fog & oil resistant, protects lens in harsh industrial environments.	Dusty factories, oily workshops, outdoor equipment temperature measurement, harsh environment probe protection.

Frequently Asked Questions

What's the temperature range of the KEYENCE FT series?

It covers -50°C to 1350°C, suitable for most industrial high/low-temperature applications.

Is it contact or non-contact measurement?

Non-contact infrared measurement. No physical touch, so no damage to the target.

How fast is the response time?

As fast as 15 ms, ideal for high-speed production lines.

Can it measure moving or rotating objects?

Yes, non-contact design and fast response work well for moving targets.

What's the maximum detection distance?

Up to 3000 mm, allowing flexible, long-distance installation.

Does it have laser positioning?

Yes, dual laser pointers clearly mark the measuring spot for easy alignment.

Is it stable in harsh factory environments?

It's vibration-resistant, anti-interference, dust-proof, and fog-resistant for reliable use in factories.

Do I need to set emissivity?

Yes, but it's simple: just input the material emissivity value directly.

Can it connect to PLC or PC?

Yes, supports analog output, RS485, Ethernet, and can integrate with automation systems.

What's the protection rating?

Most models are IP65 or IP67 rated for industrial environments.

Is calibration difficult?

No, one-touch calibration is supported; on-site maintenance is easy.

Which industries use it most?

Automotive, electronics manufacturing, food processing, metal heat treatment, glass, rubber, packaging, etc.

Product Tags:


*From:	Your email address is incorrect!
*To:	Shanghai Fradwell Industrial Automation Co., Ltd.
*Subject:	Subject is empty!
*Message:	For the best results, we recommend including the following details: -Self introduction -Required specifications -Inquire about price/MOQ Characters Remaining: (0/3000) Please enter 20 to 3000 characters to contact this supplier!

Categories	Photoelectric Proximity Sensors
Model Number:	FT
Certification:	IEC 60825-1 、FDA、CE、UL/CSA 、ISO 、RoHS
Place of Origin:	Japan
MOQ:	1
Price:	$100 - $2000
Payment Terms:	L/C,D/A,D/P,T/T,Western Union
Delivery Time:	3-5Workday
Type:	Industrial Sensors And Controls
Warranty:	Original Manufacturer's Warranty
Pakage:	Original Pakage
Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/Sea Freight / Air Freight / International Special Line
Freight Charge:	For Industrial Equipment (E.G., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/Volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote