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Fiber Optic Temperature System

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Fiber Optic Temperature System
Part #: FOTS100

Stand-alone Fiber Optic Temperature System

FOTS100 includes control unit with RS-232 port, ± 5 V analog output, and rubber boot; power via included 12 volt wall adapter.

This stand-alone system can be interfaced to BIOPAC MP Systems using the specified cable(s), purchased separately:

MP160 System: add CBL101 3.5 mm mono phone plug to male RCA + CBL122 Unisolated RJ11 to 3.5 mm Jack

MP150 or MP100 System: add CBL101 3.5 mm mono phone plug to male RCA

MP36/35 System: add SS70L isolated BNC interface and a BNC-to-RCA cable (separate purchase).

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Fiber optic temperature
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Part #: FOTS100
Categories: MRI Magnetic Resonance Imaging - Research
Subcategories: Amplifier Modules - Research

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The analog output parameters comprise the scale factor and the offset. The scale factor corresponds to the physical unit per Volt (unit/V) output by the system, while the offset corresponds to the physical value at which the user wants the analog output to be at zero volt. For example, with a scale factor set to 10 °C / V and the offset set to 5 °C, the temperature as a function of the analog output voltage is given by:

Temperature = [Voltage output] x 10 °C / V + 5 °C

The default value of the scale factor is 50 °C / V (or its equivalent in °F) and the default value of the offset is 0 °C (or its equivalent in °F).

During a No Signal condition, constant values are output as follows: analog output value = 0 Volt,  RS-232  serial ports = 65 536.0.

For more details, please see the complete FOTS100 User Manual, available under Resources below.

Use with high-accuracy, fiber optic temperature probes for use in MRI (separate purchase):

Rectal Temp Probe: 300 µm OD Polyimide tubing – TSD180 8 m or TSD182 3 m

  • The Polyimide round tubing protects the sensing element its flexibility and rigidity provide excellent pushability.

Surface Temp Probe: sensor 1 mm OD, PFA tubing 0.9 mm OD – TSD181 8 m

  • cable sheath rated up to 85 °C.
The glass tube at the end of the probe provides a robust protection over the sensing element as well as a firm connection from sensor to cable.

Note: FOTS100, TSD180, and TSD181 are suitable for MR field strength of 3T and lower; see FOTS200 with TSD380 and TSD381 transducers for high field strength MRI applications.

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