Jyrkki MAX Multi-Cuvette Gas Exchange System
Parallel, non-destructive gas-exchange measurements for larger plants
Jyrkki MAX is a multi-chamber gas-exchange system designed for parallel, non-destructive measurements of larger plants, including cereals, tomatoes and ferns. It supports whole-plant measurements of photosynthesis, transpiration and stomatal conductance under precisely controlled environmental conditions. By measuring multiple intact plants in the same experiment, Jyrkki MAX accelerates research workflows and delivers directly comparable physiological data.
Details
Jyrkki MAX is a stationary multi-cuvette gas-exchange system for parallel, non-destructive measurements of larger plants, whole shoots or single leaves.
At a glance
Four larger-volume cuvettes measured in parallel
Whole-plant or single-leaf measurement formats
Two-minute sampling per cuvette
Repeated measurements of intact plant material
What Jyrkki MAX measures
Net CO₂ exchange (photosynthesis, Anet)
Water-vapour exchange (transpiration, E)
Stomatal conductance (gs)
Environmental control and treatments
System-wide temperature and relative humidity / VPD
Per-cuvette CO₂, ozone and white-light intensity or darkness
Exogenous hormone treatments applied by spraying
Stimuli applied simultaneously or sequentially
How measurements work
Incoming air is divided between reference and measurement lines. Jyrkki MAX compares the air entering and leaving each cuvette to quantify CO₂ and water-vapour exchange, then calculates Anet, E and gs.
System-wide environmental ranges
Relative humidity: 30–80%
Air temperature: 5–40 °C
Per-cuvette stimulus ranges
CO₂ concentration: 50–1,500 ppm
White light: 0–500 µmol m⁻² s⁻¹, or darkness
Ozone stimulus available
Cuvette dimensions
Diameter: 106 mm
Height: 156 mm
Volume: 1,376.66 cm³
Sampling and airflow
2 minutes per cuvette: 1 minute reference + 1 minute sample
Airflow rate: 1.68 mmol s⁻¹
Measurement accuracy
CO₂: ±0.1 ppm
H₂O: ±0.1 ppm
Air temperature: ±0.1 °C
Research applications
Cereal, tomato and fern gas-exchange studies
Genotype and treatment comparisons
Stomatal CO₂ and VPD responses
Ozone, light and hormone-response experiments
Long-duration measurements across days
Installation and support
System footprint: 2 × 1 m
Requires access to building ventilation
Ozone upgrades and maintenance are available
Frequently asked questions
How many plants can Jyrkki MAX measure?
Up to four larger-volume cuvettes can be measured in parallel. Sampling takes two minutes per cuvette: one minute for reference air and one minute for sample air.
Which plants can be measured?
Jyrkki MAX is designed for whole plants or single leaves from larger species, including cereals, tomatoes and ferns. Each cuvette is 106 mm in diameter and 156 mm high.
Which conditions are controlled independently?
CO₂, ozone and white-light intensity can be applied per cuvette. Temperature and relative humidity are controlled across the full system.
Are the measurements destructive?
No. Intact plant material can be monitored repeatedly, reducing handling effects and supporting longer experiments.
What does the system report?
CO₂ and water-vapour exchange are used to calculate net photosynthesis, transpiration and stomatal conductance.
What is required for installation?
The system occupies approximately 2 × 1 m and requires access to the building’s ventilation system. Contact Plant Invent to discuss configuration, delivery and installation.
Built for controlled, long-duration studies
Jyrkki MAX can monitor larger plants throughout the day or over consecutive days while environmental conditions and experimental stimuli are precisely controlled.