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I-MON 850 Interrogation Monitors

I-MON 850 I-MON 850

The I-MON 850 Interrogation Monitors offer real-time spectrum monitoring of FBG sensors in the 850 nm wavelength range. High sensitivity allows high resolution also at very low light levels and an option for 15 kHz line scan frequency enables extremely fast measurements of a large number of FBG sensors.

With its USB or IEEE1394a fire wire interface and data acquisition software it provides easy setup with a laptop, and can act as stand-alone monitor in combination with a customer-selected light source. Additionally, the I-MON 850 offers straightforward integration with the customers interrogation system control PCB and external trig input enable exact timing.

Applications

Stand-alone Interrogation Monitor and/or OEM Interrogation Monitor Modules:

  • Temperature measurements
  • Pressure monitoring
  • Strain measurements
  • Vibration analysis
  • Low light-level measurements

Specifications

Parameter Unit I-MON 850-FW I-MON 850-USB
Maximum number of FBG sensors > 25 > 40
Minimum FBG spacing pm 1200 1200
Wavelength range nm 835 - 865 825 - 875
Resolution pm < 0.5 < 0.5
Repeatability (over any pol. state) pm 3 (5 max) 3 (5 max)
Wavelength linearity pm 3 (typ) 3 (typ)
Wavelength drift (*) pm / deg C 1 (3 max) 1 (3 max)
Dynamic range dB 30 30
Input optical power range dBm -80 to -20 -80 to -20
Measurement frequency Hz 14,600 15
Interface IEEE1394a USB 2.0
External trig input yes yes
Power consumption via IEEE1394a via USB 2.0
Size (LxWxD) mm 145x85x65 102x94x52
Operating temperature deg C 0 to 45 0 to 45
Storage temperature deg C -20 to 70 -20 to 70

(*) Note that by applying temperature control or temperature correction the wavelength accuracy over the entire wavelength range can be improved.

I-MON 850 Evaluation software

The I-MON 850 Interrogation Monitor comes with evaluation software providing plug-and-play operation. LabView source code is included with the Evaluation software. This allows the user to develop own measurement programs for OEM integration.

Ordering

Request a quotation here.

Download Product sheets:

I-MON 850 Product Specification Sheet I-MON 850 Product Specification Sheet

Additional Material

A detailed Product Specification and User's Manual for the Developer's Kit are available upon request by clicking here.

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