OTG-M3000 fiber optic temperature sensor

OpSens’ OTG-M series (OTG-M170, OTG-M220, OTG-M360, OTG-M420, OTG-M600, OTG-MPK5, and OTG-MPK8) fiber optic temperature sensors provide outstanding performance. These sensors employ a tried-and-tested temperature transduction method based on the temperature-dependent bandgap of GaAs crystal.

Due to the small sensing GaAs crystal situated at the optical fiber’s tip, it is suitable for tip measurement applications. Each model of the OTG-M series has its own response time and sensor diameter (OD).

With the real advantages of fiber optic sensing, the OTG-M provides unrivaled reproducibility and durability, even in the toughest of circumstances like EM, RF, MR, and microwave field environments.

The OTG-M Series is built with industry-standard optical fiber and is compatible with all OpSens SCBG signal conditioners. This small and dependable fiber optic temperature sensor is accessible with a range of optical cables and sheath alternatives and can be customized for OEM or customer-specific applications.

Key features

  • OEM-type and custom version
  • Accurate
  • Convenient and vigorous design
  • Fundamentally safe
  • EMI/RFI/RFI and microwave immune
  • Exceptional repeatability

Applications

  • High voltage settings
  • Dynamic temperature monitoring
  • Cost-effective disposable sensor
  • EM, RF, and microwave environments
  • Applications that need small-size sensors

OTG-M series

Fiber optic temperature sensor

OTG-M3000: 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 Teflon™
SIGNAL CONDITIONER COMPATIBILITY All OpSens GaAs (SCBG) signal conditioners

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