Keyence FT-H10 Digital Infrared Temperature Sensor

The FT-H10 from Keyence is a compact, high-precision infrared temperature sensor engineered for non-contact thermal measurement in tight spaces and small target areas. With a small-spot sensing capability, 2-point laser sight, and wide temperature range, it ensures accurate and repeatable results in industrial automation and quality control.

Technical Specifications

Model: FTH10
Type: Mid to Low Temperature, Small-Spot
Series: FT Series
Manufacturer: Keyence

Temperature Measurement

Rated Measurement Range: 0 to 500°C (32 to 932°F)
Displayable Range: -50 to +520°C (-58 to +968°F)
Repeatability: ±0.5°C
Emissivity Correction: 0.10 to 1.99 (adjustable in 0.01 increments)

Sensing Distance & Spot Size

Unlimited Detection Distance (position sensor so target appears 1.5× larger than view diameter)

Distance / View Diameter Examples:

• 17.5 mm → ø6.3 mm
• 35 mm → ø1.5 mm
• 52.5 mm → ø8 mm

Optical & Sensor Properties

Sighting Method: Dual-point visible laser for precision targeting
Sensor Type: Thermopile
Wavelength Detection: 8 to 14 µm

Environmental Resistance

Ambient Temperature: -10°C to +55°C (No freezing)
Humidity Range: 35% to 85% RH (No condensation)

Vibration Resistance: 10–55 Hz, 1.5 mm double amplitude, 2 hrs/axis
Shock Resistance: 500 m/s², 10 times per axis, 60 times total

Material & Construction

• Case: Reinforced Glass Plastic
• Lens: Germanium Infrared Collector
• Laser Transmitter: Polyarylate
• Cable: Vinyl Chloride
• Mounting Bracket & Screws: SUS304 Stainless Steel

Weight: Approx. 120 g
Included Accessory: Mounting Bracket

Key Features & Benefits:

✅ Wide Temperature Measurement Range: Detects temperatures from -50°C to +520°C, making it versatile for various applications.

✅ Precise Small-Spot Sensing: Provides pinpoint accuracy with measuring spots as small as ø1.5 mm at 35 mm distance.

✅ 2-Point Laser Sight: Ensures easy and accurate target alignment for precise temperature readings.

✅ Unlimited Detection Distance: Enables flexible installation without distance limitations.

✅ High Repeatability: ±0.5°C ensures consistent and reliable measurement accuracy.

✅ Adjustable Emissivity Correction: Supports values from 0.10 to 1.99 for accurate readings on different surfaces.

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