LS-310 Series

Deviser LS‑310 Series light sources are precision, field‑ready transmitters designed for fast, reliable fiber testing. With TWIN Mode support, dual/triple wavelengths, and long battery life, LS‑310 pairs seamlessly with optical power meters for accurate loss measurements.

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LS-310 Series

Why LS310 stands out

Deviser LS‑310 Series light sources are precision, field‑ready transmitters designed for fast, reliable fiber testing. With TWIN Mode support, dual/triple wavelengths, and long battery life, LS‑310 pairs seamlessly with optical power meters for accurate loss measurements.

  • TWIN Mode support for effortless, accurate testing.
  • Dual wavelengths (LS310A) or triple wavelengths (LS310B).
  • Stable output with excellent long‑term drift performance.
  • PC, FC/ST default; APC, ST/LC optional adapters.
  • 40+ hours on 2×AA (backlight off).
  • Compact, field‑ready build.
  • High output stability ideal for precise loss measurements.
  • Auto-shutdown feature to preserve battery life.
  • Compatible with both single-mode and multimode fibers.

Performance at a glance

WavelengthsLS310A: 1310/1550 nm • LS310B: 1310/1490/1550 nm
Output power−5 dBm (A) • −3 dBm (B)
Tone generation270 Hz, 1 kHz, 2 kHz
Battery life≥ 40 hrs (backlight off), 2×AA

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