CIRAS-3 PLC Leaf Cuvettes

Lightweight. Fast. Precise.

  • Truly plug & play
  • Automatic temperature control
  • Airtight seal without damage to vegetation
  • Fastest response to CO2 and H20 changes
  • Optional LED light unit (RGBW) available
  • Field-customisable options

PP Systems - CIRAS-3 Portable Photosynthesis System

Revolutionizing the research experience

PP Systems - CIRAS-3 Portable Photosynthesis SystemOur PLC3 leaf cuvettes work seamlessly with the CIRAS-3. The innovative design makes for fast and efficient measurements just about anywhere!

No need for assistance or a tripod! Their small size and fast response further enhance the CIRAS-3’s capabilities. The CIRAS-3 supports three standard leaf cuvettes (Universal, Narrow, and Conifer) which are truly plug & play. Each cuvette connects directly to the CIRAS-3. No time-consuming, delicate reassembly or adjustment of different heads and sensors.

The leaf cuvette gaskets provide an air-tight seal without causing any damage to vegetation. Automatic temperature control is standard with all leaf cuvettes.

Onboard LCD display

All PLC3 series leaf cuvettes include an onboard LCD allowing the user to display up to 8 user-defined parameters. Measurements can also be recorded remotely from the leaf cuvette for convenience and ease.

PP Systems - CIRAS-3 Portable Photosynthesis System

PLC3 Universal Leaf Cuvette

For flat, broadleaves

Our PLC3 Universal Leaf Cuvette is our most popular leaf cuvette by far. The PLC3 Universal is designed for measurement on most flat, broadleaf plants. It features 3 different windows allowing you to customise the head to accommodate different sized leaves.

Window: IR Filter

Dimensions: See head plates below.

Includes 2 miniature silicon photodiode sensors providing a reliable average of PAR inside the cuvette in addition to ambient PAR measured by an external sensor. It also includes an infrared (IR) radiation sensor for accurate, non-contact measurement of leaf temperature. Leaf temperature can also be determined by energy balance.

25 mm x 7 mm
Area: 1.75 cm2

18 mm Diameter
Area: 2.50 cm2

25 mm x 18 mm
Area: 4.5 cm2

PP Systems - CIRAS-3 Portable Photosynthesis System

PLC3 Conifer Leaf Cuvette

For measurement on grasses, cereal crops and short needle conifers. The window is hemispherical making it suitable for 3D structures.

Window: Glass

Window Area: 80 mm (L) x 40 mm (Diameter)

Includes 1 miniature silicon photodiode sensor providing measurement of PAR inside the cuvette in addition to ambient PAR measured by an external sensor. Leaf temperature is calculated based on energy balance or precision thermistor for contact measurement. An optional head plate can be supplied to easily convert from “conifer” to “narrow”.

PP Systems - CIRAS-3 Portable Photosynthesis System

PLC3 Narrow Leaf Cuvette

For measurement on grasses, cereal crops, and long needle conifers.

Window: IR Filter

Window Area: 80 mm (L) x 30 mm (W)

Includes 1 miniature silicon photodiode sensor providing measurement of PAR inside the cuvette in addition to ambient PAR measured by an external sensor. Leaf temperature is calculated based on energy balance or precision thermistor for contact measurement. An optional head plate can be supplied to easily convert from “narrow” to “conifer”.