Three systems. One clearer view of plant performance.
Choose the measurement setup that fits your plant material, environment and experimental scale—from small whole plants in the laboratory to individual leaves in the field.
Start with what you measure.
All three systems support non-destructive gas-exchange research, but each is optimized for a different sample and setting.

Jyrkki
For parallel measurement of Arabidopsis and other compact plants under controlled laboratory conditions.
View Jyrkki
Jyrkki MAX
For larger crop plants, attached shoots and canopies that need more space than a compact whole-plant cuvette.
View Jyrkki MAX
KaRaL
For portable single-leaf measurements when the plant or experiment must remain in the field.
View KaRaLCompare the systems.
| Choose by | Jyrkki | Jyrkki MAX | KaRaL |
|---|---|---|---|
| Best suited to | Arabidopsis and compact whole plants | Larger crops, shoots and canopies | Individual attached leaves |
| Setting | Controlled laboratory experiments | Controlled laboratory experiments | Field and portable measurements |
| Measurement approach | Parallel whole-plant gas exchange | Parallel gas exchange for larger samples | Single-leaf gas exchange |
| Typical research need | High-throughput genotype or treatment comparison | Comparing larger plants without destructive sampling | Capturing leaf responses in their growing environment |
Which one should I choose?
Your plants are compact
You need repeatable, parallel whole-plant measurements for Arabidopsis or similarly sized plants in the laboratory.
Your sample needs more room
You work with larger crop plants, attached shoots or canopies and still want direct parallel comparison.
Your experiment is in the field
You need a portable instrument for focused gas-exchange measurements on individual attached leaves.
Planning your setup.
What can the systems measure?
They quantify plant gas exchange, including photosynthesis, transpiration and stomatal conductance, with the exact workflow depending on the selected system.
Can I measure several samples at once?
Jyrkki is designed for up to eight cuvettes in parallel. Jyrkki MAX is designed for parallel work with larger samples. KaRaL focuses on portable single-leaf measurement.
Can the cuvettes be adapted to my plants?
Plant size, morphology and the research environment determine the most suitable chamber configuration. Share your sample dimensions with us and we will help specify the setup.
Still unsure?
Tell us what species you study, the approximate sample size and where you plan to measure. We will recommend the most appropriate system.
