Name: 105�C heat-resistant side-view through-beam fiber optic unit
Brand: TAKEX Takenaka Engineering Co., Ltd.
SKU: TAKEX_FTHV74BC

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TAKEX_FTHV74BC

105°C heat-resistant side-view through-beam fiber optic unit

TAKEX FTHV74BC is a heat-resistant side-view through-beam fiber optic unit with a φ4 mm cylindrical head and φ2.3 mm side window.
Rated from −30 to +105°C, it features a 2 m free-cutting fiber and R30 bending radius.
With F85RN in long-distance mode, detection reaches 2,450 mm.

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Features
Specification
FAQ

Features

Heat resistance up to +105°C: FTHV74BC operates within an ambient temperature range of −30 to +105°C, supporting through-beam object detection near high-temperature equipment.
φ4 mm side-view cylindrical tip: The unit features a φ4 mm cylindrical sensing head with a φ2.3 mm side-facing optical window, supporting installations requiring side-view detection and limited mounting space.
2,450 mm long-distance detection: With the F85RN fiber amplifier, FTHV74BC provides a detecting distance of 2,450 mm in long-distance mode and 650 mm in ultra-high-speed mode.
2 m free-cutting heat-resistant fiber: The unit features a heat-resistant polyethylene covering, plastic fiber core, and 2 m free-cutting cable with an R30 allowable bending radius.
Multiple amplifier compatibility: FTHV74BC supports F2R, F70, F80R, and F85RN fiber amplifiers, with detecting distances depending on the amplifier and operating mode.

Specification

Item	Spec.
Model	FTHV74BC
Product type	Heat-resistant side-view through-beam fiber optic unit
Detection method	Through beam
Environmental feature	Heat resistant
Tip appearance	Cylindrical, side view
Tip size	Φ4 mm
Side window diameter	Φ2.3 mm
Feature	105°C heat resistance, side-view sensing head
F85RN long-distance mode	2,450 mm
F85RN ultra-high-speed mode	650 mm
F80R long-distance mode	830 mm
F80R high-speed mode	460 mm
F70R／F70AR	460 mm
F2R	80 mm
Fiber length	2 m, free-cutting
Fiber cable diameter	Φ2.2 mm
Fiber core diameter	Φ1.0 mm
Allowable bending radius	R30 (30 mm)
Ambient temperature	−30 to +105°C
Fiber covering material	Heat-resistant polyethylene
Fiber core material	Plastic
Standard detectable object diameter	Φ2 mm
Min. detectable object diameter	Φ0.015 mm (excluding F2R)
Applicable amplifiers	F2R, F70, F80R, F85RN

Specification notes

Heat resistance and operating conditions: FTHV74BC has an ambient operating temperature range of −30 to +105°C and uses a heat-resistant polyethylene fiber covering. This temperature rating applies to the fiber optic unit; the connected amplifier must meet its own operating temperature requirements.
Side-view design and detecting distance: FTHV74BC features a Φ4 mm cylindrical sensing head with a Φ2.3 mm side window. With F85RN in long-distance mode, the detecting distance is 2,450 mm, while ultra-high-speed mode provides 650 mm.
Fiber construction and installation: The unit has a 2 m free-cutting fiber with a Φ2.2 mm cable diameter and Φ1.0 mm core diameter. The allowable bending radius is R30, requiring a minimum bending radius of 30 mm during installation.

FAQ

Q1: What is TAKEX FTHV74BC?
A: FTHV74BC is a heat-resistant side-view through-beam fiber optic unit rated for temperatures up to +105°C, featuring a φ4 mm cylindrical sensing head for non-contact object detection.

Q2: What detection method does FTHV74BC use?
A: FTHV74BC uses through-beam detection by monitoring changes in light between the transmitter and receiver to detect object presence or passage.

Q3: What is the maximum operating temperature of FTHV74BC?
A: The ambient operating temperature range is −30 to +105°C, allowing the fiber optic unit to operate at temperatures up to +105°C.

Q4: What is the sensing tip size and optical configuration of FTHV74BC?
A: FTHV74BC features a φ4 mm cylindrical sensing tip with a φ2.3 mm side-facing optical window for side-view detection.

Q5: What is the maximum detecting distance of FTHV74BC?
A: With the F85RN fiber amplifier in long-distance mode, the detecting distance is 2,450 mm. Detecting distances vary depending on the amplifier and operating mode.

Q6: What is the detecting distance of FTHV74BC with F80R?
A: With the F80R fiber amplifier, the detecting distance is 830 mm in long-distance mode and 460 mm in high-speed mode.

Q7: How long is the FTHV74BC fiber, and can it be cut?
A: FTHV74BC includes a 2 m free-cutting fiber that can be trimmed to suit equipment cable routing requirements.

Q8: What are the fiber materials and allowable bending radius of FTHV74BC?
A: The fiber has a heat-resistant polyethylene covering and a plastic core. Its cable diameter is φ2.2 mm, its core diameter is φ1.0 mm, and its allowable bending radius is R30 (30 mm).

Q9: Which fiber amplifiers are compatible with FTHV74BC?
A: FTHV74BC supports F2R, F70, F80R, and F85RN fiber amplifiers. Detecting distances vary with the selected amplifier and operating mode.

Q10: What is the difference between FTHV74BC and FTH7BC?
A: Both models are heat resistant up to +105°C. FTHV74BC features a φ4 mm cylindrical side-view head, while FTH7BC uses an M4/M2.6 stepped threaded tip for different mounting requirements.

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