Fiber Optic Temperature Sensors FOT-L (standard)
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FOT-L Temperature Sensors Key Features n Intrinsically safe High accuracy Miniature and rugged sensor Both FOT-L temperature sensors feature complete immunity to EMI and RFI, miniature size, built-in safety for hazardous environments, extreme temperature resistance, high precision, and resistance to corrosive environments. Fiber optic technology provides intrinsic immunity to EMI and RFI. Fiber optic sensors are not electronically active and do not emit nor are they affected by any type of EM radiation, whether it is microwave, RF, or NMR. Another important advantage of optical bers is the capability it provides to produce miniature components without compromising the physical characteristics of the bulk material. Optical ber is optimized in size to provide the smallest possible light path. Thanks to this advantage, ber optic sensors may feature tip diameters as small as 0.8 mm. FISO’s ber optic temperature sensors provide accurate, stable, and repeatable measurements. These measurements are based on variations of the reected light — when compared to the emitted light — due to thermal expansion of the highly stable glass used within the sensor. The FOT-L-SD is sheathed with PTFE and has a temperature range from as low as −40°C up to 300°C (−40°F to 572°F). The FOT-L-BA is designed with a much smaller diameter to provide an even faster response time, while withstand temperatures of up to 250°C. All our temperature sensors are designed to work with FISO’s line of signal conditioners. The ber optic lead cable can be up to several meters long without affecting the quality or the accuracy of the results. Medical applications The FOT-L-SD and FOT-L-BA are ber optic temperature sensors perfectly suited for harsh environmental conditions such as in cryogenics, nuclear, microwave, and strong RF applications. The FOT-L temperature sensors combine all the desired characteristics you would expect from the ideal sensor. These temperature sensors offer accuracy and reliability in extreme temperature and hostile environments. Nuclear environments In-situ process monitoring Harsh and hazardous environments High temperature environments Aerospace applications

Temperature range Response time Connector type ST connector 1. Signal conditioner dependent. 2. ±0.5°C is attainable when using a reduced temperature range of20°C to 85°C (68°F to 185°F). FOT-L Dimensions FOT-L-SD Model [sensitive zone) PTFE cable FOT-L-BA Model (sensitive zone} Email info@fiso.com FISO Technologies Inc. reserves the right to make any changes in the specifications of their products without prior notice. Imprime au Canada / Printed in Canada