Digital Infrared Temperature Sensor

FT series

Select Language

Sensor heads

Model

FT-H10

FT-H20

FT-H30

FT-H50

FT-H40K

FT-H50K

Type

Mid to low temperature, Small-spot

Mid to low temperature, Mid-range

Mid to low temperature, Long-range

Mid to low temperature, Ultra long-range

High temperature, Mid-range

High temperature, Ultra long-range

Rated temperature range

0 to 500°C 32 to 932°F*1

0 to 1350°C 32 to 2462°F*1

Displayable temperature range

-50 to +520°C -58 to +968°F

-50 to +1400°C -58 to 2552°F

Detecting distance

Unlimited*2

Measuring distance /
View diameter (example)

17.5/ø6.3 mm 0.69"/ø0.25"
35/ø1.5 mm 1.38"/ø0.06"
52.5/ø8 mm 2.07"/ø0.31"

60/ø8.5 mm 2.36"/ø0.33"
120/ø6 mm 4.72"/ø0.24"
180/ø14.5 mm 7.09"/ø0.57"

200/ø15 mm 7.87"/ø0.59"
400/ø18 mm 15.75"/ø0.71"
600/ø33 mm 23.62"/ø1.30"

500/ø18 mm 15.69"/ø0.71"
1500/ø30 mm 59.06"/ø1.18"
3000/ø75 mm 118.11"/ø2.95"

100/ø7.5 mm 3.94"/ø0.30"
150/ø6 mm 5.91"/ø0.24"
300/ø11.5 mm 11.81"/ø0.45"

500/ø18 mm 15.69"/ø0.71"
1500/ø30 mm 59.06"/ø1.18"
3000/ø75 mm 118.11"/ø2.95"

Sight

2-point visible laser beam*3

Detecting element

Thermopile

Detecting wavelength

8 to 14 µm

Repeatability

±0.5°C 0.9°F

±3°C 5.4°F

Emissivity (ε) correction

0.10 to 1.99 (0.01 step)

Environmental resistance

Ambient temperature

-10 to +55 °C 14 to 131 °F (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

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

Shock resistance

500 m/s2, 10 times in each direction of each of X, Y and Z axis, 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

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

Accessory

Mounting bracket

Weight

Approx. 120 g

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.

Amplifiers NPN

Model

FT-50AW

FT-55AW

Type

DIN-rail mounting type

Panel mounting type

Power voltage

12 to 24 VDC, Ripple (P-P)10% max.

Power
consumption

Normal

1400 mW (For 12 V), 1600 mW (For 24 V)

Eco mode

1150 mW (For 12 V), 1350 mW (For 24 V)

Display method

4 + 1/two-digit 7-segment LED, dual-display (red/green) display (character height in the upper display (red): 8 mm 0.31",
character height in the lower display (green): 5.7 mm 0.22"), Display updating cycle: 10/s

Operation indicator

Red LED x 3 (control output1/control output2/timing input indicator)

Display resolution

0.1°C or 1°C 0.2°F or 1.8°F (when using FT-H10/H20/H30), 1°C 1.8°F (when using FT-H50/H40K/H50K)

Hysteresis

Variable

Response speed

HSP, 30, 100, 200, 500, 1000, or 5000 ms can be selected (In HSP: 15 ms max.)

Bank selection

Pink and Purple wires can be configured for Bank Inputs #1,2 respectively for up to 4 total banks.

External input

Timing input

Input time: 2 ms min.

Bank input

Input time: 20 ms min.

Control output

NPN open collector x 2 channels (N.O./N.C. selectable), 100 mA max. (40 VDC max.), residual voltage: 1 V max.

Analog output

4 to 20 mA, maximum load resistance: 260 Ω The upper- and lower-limit values of the analog output range can be set optionally.

Bank specifications

Emissivity (valid in temperature mode) and limit settings x 2 can be set for each bank.

Environmental resistance

Ambient temperature

-10 to +50 °C 14 to 122 °F (No freezing)*1

Relative humidity

35 to 85 % RH (No condensation)*1

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z axis*2

Material

Main unit, Cover: Polycarbonate, Keycaps: Polyester elastomer, Cable: Vinyl chloride
Mounting bracket: SUS304

Main unit, Cover: Polycarbonate, Keycaps: Polyester elastomer, Cable: Vinyl chloride
Panel mounting bracket: Polyacetal, front protection cover: Polycarbonate

Accessory

DIN anchoring fixture, power cable, unit cover sticker

Panel mounting bracket, protection cover, power cable, unit cover sticker

Weight

Approx. 85 g

*1 Ambient temperature when using the analog output is -10 to 45 °C 14 to 113 °F
*2 Ambient temperature when using the analog output is -10 to 45 °C 14 to 113 °F.

Amplifiers PNP

Model

FT-50AWP

FT-55AWP

Type

DIN-rail mounting type

Panel mounting type

Power voltage

12 to 24 VDC, Ripple (P-P)10% max.

Power
consumption

Normal

1400 mW (For 12 V), 1600 mW (For 24 V)

Eco mode

1150 mW (For 12 V), 1350 mW (For 24 V)

Display method

4 + 1/two-digit 7-segment LED, dual-display (red/green) display (character height in the upper display (red): 8 mm 0.31",
character height in the lower display (green): 5.7 mm 0.22"), Display updating cycle: 10/s

Operation indicator

Red LED x 3 (control output1/control output2/timing input indicator)

Display resolution

0.1°C or 1°C 0.2°F or 1.8°F (when using FT-H10/H20/H30), 1°C 1.8°F (when using FT-H50/H40K/H50K)

Hysteresis

Variable

Response speed

HSP, 30, 100, 200, 500, 1000, or 5000 ms can be selected (In HSP: 15 ms max.)

Bank selection

Pink and Purple wires can be configured for Bank Inputs #1,2 respectively for up to 4 total banks.

External input

Timing input

Input time: 2 ms min.

Bank input

Input time: 20 ms min.

Control output

PNP open collector x 2 channels (N.O./N.C. selectable), 50 mA max. (30 VDC max.), residual voltage: 1 V max.

Analog output

4 to 20 mA, maximum load resistance: 260 Ω The upper- and lower-limit values of the analog output range can be set optionally.

Bank specifications

Emissivity (valid in temperature mode) and limit settings x 2 can be set for each bank.

Environmental resistance

Ambient temperature

-10 to +50 °C 14 to 122 °F (No freezing)*1

Relative humidity

35 to 85 % RH (No condensation)*1

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z axis*2

Material

Main unit, Cover: Polycarbonate, Keycaps: Polyester elastomer, Cable: Vinyl chloride
Mounting bracket: SUS304

Main unit, Cover: Polycarbonate, Keycaps: Polyester elastomer, Cable: Vinyl chloride
Panel mounting bracket: Polyacetal, front protection cover: Polycarbonate

Accessory

DIN anchoring fixture, power cable, unit cover sticker

Panel mounting bracket, protection cover, power cable, unit cover sticker

Weight

Approx. 85 g

*1 Ambient temperature when using the analog output is -10 to 45 °C 14 to 113 °F
*2 Ambient temperature when using the analog output is -10 to 45 °C 14 to 113 °F.

Robust box with air purge

Model

FT-S1*1

Air supply

Recommended flow rate

15ℓ/min

Withstanding pressure

1 MPa or less (at inlet)

Conforming tube diameter

ø6 mm 0.24"

Material

Housing: zinc, cap: aluminum, cable packing and O-ring: NBR,
fitting: Brass nickel-plated

Weight

Approx. 700 g

*1 FT-S1 does not provide cooling.

Germanium window for robust box

Model

FT-S2

Infrared transmissivity

85% or more*1

Material

Cap: aluminum, lens: aluminum, O-ring: NBR

Weight

Approx. 32 g

*1 Infrared transmissivity for wavelength of 8 to 14 µm.

Black-body tape

Model

OP-91147

Emissivity

0.95

Allowable temperature limit

180°C 356°F

Size

Width: 50 mm 1.97", length: 10 m 32.81'

Weight

Approx. 145 g

  • Flow Sensors
  • For Liquid Level Control
  • General Catalog Request
  • Trade Shows and Exhibitions
  • eNews Subscribe

Process Controls / Process Sensors