PRODUCTS

Fiber Optic Temperature

System Overview

Tip-Contact Fiber Optic Temperature With Complete Electromagnetic Immunity

Rugged Monitoring fiber optic temperature deliver reliable measurement even in microwave and high electromagnetic field environments. They provide accurate temperature readings in environments where conventional temperature fall short.

Applications and Industries Used

These temperature deliver accurate temperature readings with complete electromagnetic immunity, even in high-frequency, microwave, strong magnetic field, and high-voltage environments where conventional sensors (thermocouples and RTDs) cannot operate reliably. As contact-type sensors, they can measure extremely small points and the interior of objects, making them suitable for measuring semiconductor chip and battery cells.

Industries Used

Automotive/Industrial	・Electric vehicles ・Measurement in high-voltage power equipment environments ・Measurement of extremely small points such as live circuit components, and more
Medical/Research Lab	・Medical instrument sterilization
Food and Beverage	・Material development for microwave-ready meals and packaging

Temperature monitor

Temperature monitor are available in laboratory, DIN rail-mounted, panel-mounted, and rack-mounted types.

H201 2, 4, 6, 8ch (laboratory type)
- ・Compact and lightweight
- ・micro USB/RS-485
- ・Analog output (optional)
- ・Micro SD slot
- ・Built-in battery
O201 2, 4, 6, 8ch (DIN rail-mounted)
- ・Easy to integrate into equipment
- ・micro USB/RS-485
- ・Analog output (optional)
- ・Micro SD slot
- ・Form C relay
T301 4, 6, 8, 10, 12, 16, 20, 24ch (panel-mounted)
- ・Robust design with dust-proof and seismic-resistant features
- ・Micro USB/RS-485
- ・Ethernet/analog output/Form C relay (optional)
- ・Micro SD slot
R501 2ch to 64ch (rack-mounted type)
Modules installed in a 19-inch rack
- ・CPU module: Micro USB/Micro SD/Ethernet
- ・RS-485/analog output/Form C relay module
- ・2ch, 4ch, 6ch, 8ch thermometer modules
- ・Integration with third-party system

All models support daisy-chain connection (Modbus/CAN bus) for up to 256 channels of temperature measurement.

Fiber Optic Temperature Sensor

Lsens Fiber Optic Temperature Sensor

Lsens fiber optic temperature sensor are designed for use in any environment, available in types such as PTFE-coated chemical-resistant, rigid polyimide, and high-speed sampling (500μm diameter).

Temperature Range	-40°C to +250°C (optionally down to -80°C)

Sensors

A feedthrough option enables contact temperature measurement of objects inside high-vacuum/high-pressure chambers.

Lsens-B	Uncoated, ultra-high-speed sampling type, φ500μm
Lsens-P	Polyimide, high-speed sampling type, φ800μm
Lsens-T	PTFE (standard) type, chemical-resistant, φ1.6mm
Lsens-R	Rigid polyimide type, φ1.7mm

Options

Extension Cables

Fiber optic cables can be extended beyond 100m

STM Adapter

Connection of extension cables and sensors (ST connector)

OFT Feedthrough

Screw-in feedthrough
Atmosphere side (thermometer unit to OFT) connected via extension cable

Screw Standards	1/4 MNPT（ANSI）
Material	SUS316
Maximum Pressure	1.6 MPa

M14 Feedthrough

O’ring feedthrough
Atmosphere side (thermometer unit to M14) connected via extension cable

Screw Standards	M14/2（Metric）
Material	SUS316 (casing, nut), carbon steel (tab lock washer)
Compatible Wall Thickness	3～10mm
O’ring	Viton (standard)
Maximum Pressure	20MPa
Maximum Vacuum	1×10⁻⁶ Pa