OTG-M360 fiber optic temperature sensor

OpSens’ OTG-M Series fiber optic temperature sensors (OTG-M170, OTG-M220, OTG-M360, OTG-M420, OTG-M600, OTG-MPK5, and OTG-MPK8) provide outstanding performance. The OTG-M Series temperature sensors use a tried-and-tested temperature transduction framework based on the temperature-dependent bandgap of Gallium Arsinide (GaAs) crystal.

Due to the tiny GaAs crystal situated at the tip of an optical fiber, this sensor type is useful for tip measurement systems. Each model of the OTG-M series is distinguished by its response time and sensor diameter (OD).

When merged with OpSens’ SCBG signal conditioning technology and the advantages of measuring with light, the OTG-M Series provides unprecedented continuity and consistency in the harshest conditions, like elevated levels of EM, RF, MR, and microwave field settings.

The OTG-M Series is built with industry-standard optical fiber and is compatible with all OpSens SCBG signal conditioners. This compact and dependable fiber optic temperature sensor can be customized for OEM or customer-specific systems, and it is available with a range of optical cables and sheath options.

Key features

  • Good accuracy
  • Intrinsically secure
  • OEM and tailored versions
  • Resistant to EMI, RFI, MRI, and microwave radiation
  • Strong and compact design with excellent repeatability

Applications

  • High-voltage settings
  • Microwave, RF, and EM settings
  • Applications that need compact sensors
  • Observing temperature variations
  • Disposable sensor, low-cost

OTG-M series

Fiber optic temperature sensor

OTG-M360: GaAs-Based Fiber Optic Temperature Sensor

Image Credit: OpSens Medical

Specifications

Source: OpSens Medical

 
Sensor model OTG-M170 OTG-M220 OTG-M360 OTG-M420 OTG-M600 OTG-MPK5 OTG-MPK8
Response time ≤35 ms ≤50 ms <100 ms <200 ms 200 ms <225 ms <500 ms
Sensor diameter 0.170
mm
0.220
mm
0.360
mm
0.420
mm
0.600
mm
0.510
mm
0.810
mm
Sensor tip material (Tube) Bare fiber Polyimide Glass Polyimide Polyimide PEEK PEEK
Temperature operating and calibrated range -40 °C to +250 °C (other ranges available upon request)
Accuracy ±0.8 °C or better for other temperature range
Operating humidity range 0-100%
EMI/RFI Susceptibility Complete immunity
Calibration NIST traceable
Cable length 1.5 meters standard (other lengths available)
Optical connector LCA, ST, standard
Cable sheathing TeflonTM
Signal conditioner compatibility All Opsens Solutions GaAs (SCBG) signal conditioners

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