Luna os4500 series multipoint high temperature probe, including the os4520
Luna / os4500 / Temperature
os4520

Luna os4520 Multipoint High Temperature Fiber Optic Probe (up to 700 °C)

Sealed stainless steel multipoint FBG temperature probe from the os4500 series, rated for operation up to 700 °C.

Operating temperature range
up to 700 °C
Accuracy
+/- 4 °C
Number of Sensing Points
Available in both 10 and 20 point configurations
Wavelength Options
1512 to 1548nm for 10 sensing point probes and 1512 to 1588nm for 20 sensing point probes
Datasheet

Overview

The Luna os4520 is the 700 °C member of the os4500 series of multipoint, high temperature probes. The probes are sealed stainless steel tubes designed to make handling easy and sensor installation fast and repeatable in challenging environments. They are based on femtosecond grating technology, and because no epoxies hold the fiber to the tube, long-term stability is ensured by design.

In side-by-side comparisons with conventional thermocouples, the os4500 series is equally sensitive and accurate while providing sub-second response time, a wider operating range, no calibration and no EMI noise. The probe is qualified for use in harsh environments and shares the advantages common to FBG-based sensors.

The sensor can be used alone or in series at the end of an FBG sensor array. Installation and cabling for such arrays are less expensive and cumbersome than for comparable electronic gage networks. Package options include versions that operate like conventional thermocouples with armored cables and protected connectors, as well as small probes that offer installation flexibility and sub-second response time.

Software

The os4500 series is compatible with ENLIGHT Sensing Analysis Software, an integrated suite of tools for data acquisition, computation and analysis of optical sensor networks, and with the HYPERION platform's Application Programming Interface (API), which includes examples in LabVIEW, Python, Matlab, C++ and C#.

Key Features

  • Multipoint temperature measurements on the same probe
  • Simple and repeatable installation
  • Operating temperature up to 700 °C
  • Up to 304 sensors on a single HYPERION instrument
  • Multiparameter measurements of various physical parameters coupled onto the same instrumentation platform
  • Included in ENLIGHT sensor templates for quick optical-to-temperature conversion
  • Femtosecond grating technology with no epoxies holding the fiber to the tube
  • Sealed SS304 stainless steel probe housing

Specifications

Performance
Operating temperature range
os4520
up to 700 °C
Accuracy
os4520
+/- 4 °C
Datasheet lists the value as +/- 4 without a unit
Number of Sensing Points Available in both 10 and 20 point configurations
Wavelength Options 1512 to 1548nm for 10 sensing point probes and 1512 to 1588nm for 20 sensing point probes
Measurement Points Up to 304 with 16 channel si255, 19 sensors per channel
Scan Frequency 1kHz and 5kHz instrument options available
Physical
Probe Length Available in 1 and 2 meter configurations
Housing Material SS304 Probe
Connector High Temperature FC/APC (150 °C capable)
Datasheet prints FC/ACP
Custom Options
Probe Length Custom lengths available up to 6 meters
Cabling Custom lengths and reinforced cable available
Ordering Information
Part number format os45xx-1512-tttt-pp-1xx
os45xx: os4520 - Up to 700 °C; tttt: temperature FBG wavelength - 1548nm for 10 sensing point probes and 1588nm for 20 sensing point probes; pp: number of sensing points; 1xx: termination type
Standard cable length 1 m
1xx termination: cable, length & connector

Specifications are taken from the manufacturer's documentation. See the datasheet for complete and current values.

Applications

  • Automotive
  • Power generation
  • Oil and gas
  • Nuclear reactors
  • Aerospace
  • Solar collectors
  • Industrial processes

Options & Accessories

Option Description
UT Unterminated — Termination type in the ordering code
FC FC/APC Connector — Termination type in the ordering code

Documents & Resources