LI-193

Spherical Underwater Quantum Sensor

The LI-193 Spherical Underwater Quantum Sensor measures PAR in air or underwater from all directions at depths up to 350 meters. This sensor is useful for studies of phytoplankton, which uses radiation from all directions. The measurement is referred to as Photosynthetic Photon Flux Fluence Rate (PPFFR) or Quantum Scalar Irradiance.

  • Designed for immersion
  • Measures PAR from all directions
  • Ideal for oceanography, limnology, turbidity, and vertical profiling

 

How does it work?

The LI-193 uses a diffusive sphere to direct light through glass optical filters to the silicon photodiode. The filters create uniform sensitivity to light between 400 and 700 nm, which closely corresponds to light used by most terrestrial and aquatic plants and algae. The angular response of a typical LI-193 is slightly lower in the direction of the cable connection. When mounted, the low response is usually not significant due to the small proportion of upwelling radiation compared to the total.

Other Products

LI-COR LI-1500 Light Sensor Logger

LI-COR LI-1500 Light Sensor Logger

The LI-1500 Light Sensor Logger connects up to three light sensors with BNC terminals. Package includes four AA batteries, USB cable, AC power supply adapter, carabiner clip, carrying case, Windows® file viewer software, and instruction manual. Sensors sold separately.

Learn More ➤
QVI OGP Cobra Laser Scanning System

QVI OGP Cobra Laser Scanning System

Cobra™ Laser Profiling systems from OGP use low-power laser lights to measure height, area, slope, and radius. These laser profilers are ideal for a variety of applications where non-contact measurement is critical to ensure integrity for your parts while measuring to precise accuracies.

Learn More ➤
Pony SID-A50 X-ray Camera

Pony SID-A50 X-ray Camera

With the introduction of SID-A50, X-ray inspection systems has been using detectors such as Image Intensifier (I.I.) and C-MOS Flat Panel Detectors, which needs to convert X-ray into optical light first, in order to visualize X-ray.

Learn More ➤

HOW CAN WE HELP?

You may contact our specialists by accomplishing form below.

Request Quote

You may contact our specialists by accomplishing form below.