Product Description

The Keyence FT-H20 is a mid- to low-temperature digital infrared temperature sensor head designed for precise non-contact temperature measurements in industrial applications. It features a thermopile detection element with a wavelength range of 8 to 14 µm, ensuring accurate readings across a wide temperature range. The FT-H20 is equipped with a 2-point visible laser sighting system, facilitating easy alignment and targeting. Its robust construction, including a reinforced glass plastic case and Germanium infrared collector lens, ensures durability in demanding environments. The sensor head is compatible with various amplifiers in the FT series, offering flexibility in system integration.​

Technical Specifications

• Model: FT-H20
• Type: Mid to low temperature, Mid-range
• Rated Temperature Range: 0 to 500°C (32 to 932°F)
• Displayable Temperature Range: -50 to +520°C (-58 to +968°F)
• Detecting Distance: Unlimited
• Measuring Distance / View Diameter:
• 60 mm / Ø8.5 mm
• 120 mm / Ø6 mm
• 180 mm / Ø14.5 mm
• Sight: 2-point visible laser beam
• Detecting Element: Thermopile
• Detecting Wavelength: 8 to 14 µm
• Repeatability: ±0.5°C (0.9°F)
• Emissivity (ε) Correction: 0.10 to 1.99 (0.01 step)
• Environmental Resistance:
• Ambient Temperature: -10 to +55°C (14 to 131°F)
• Relative Humidity: 35 to 85% RH (No condensation)
• Vibration Resistance: 10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z axes
• Shock Resistance: 500 m/s², 10 times in each direction of each of X, Y, and Z axes, 60 times in total
• Material:
• Case: Reinforced glass plastic
• Infrared Collector Lens: Germanium
• Laser Transmitter: Polyarylate
• Cable: Vinyl chloride
• Mounting Bracket: SUS304
• Mounting Screw: Stainless steel
• Accessory: Mounting bracket
• Weight: Approximately 120 g