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ICT Plant Science Instrumentation

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Sapflow Light Sensors
Plant Water Potential Ceptometers and Canopy Analysers
Dendrometers Radiometers and Spectrometers
Porometers Fluorescence and Reflectance
Plant Hydraulic Conductance Meters Leaf Area Meters
Leaf Wetness Sensors Photosynthesis
Plant Temperature Sensors Root Scanning
Infra-Red Thermometers Tree Health and Wood Properties

 

Plant Science References

 

Sapflow Sensors

Heat Ratio Method (HRM)

HRM Installation Kit

 The Heat Ratio Method (HRM) is a modification of the Compensation Heat Pulse Method (CHPM). The HRM improves on the CHPM by allowing very slow flow rates and even reverse sap flow to be measured. This allows water flows to be monitored in stems and roots of a wide range of different species, sizes and environmental conditions, including drought.

Heat Field Deformation Sapflow (HFD)

The Heat Field Deformation (HFD) technique is ideally suited to sapflow research projects that require the measurement of extended radial sapflow profiles to accurately map hydraulic architecture of trees. Similar to the HRM sap flow sensor the HFD sensor can measure high sapflow rates as well as low to zero and reverse sapflow. Hence as both sensors can measure in the same range the HFD sensor provides an extension of the HRM method making both sensors highly complimentary to each other in most sapflow measurement applications.

Sap Flow Tool software

Download SFT Demo Software now

 Sap Flow Tool
Software for analysing Heat Field Deformation (HFD) Sap Flow with powerful processing and graphing capabilities.

Sap Flow Installation Equipment
Accurate sap flow measurements require precise analysis of tree anatomy and wood thermal properties.

Rinntech’s Resistograph® and Arbotom® measure tree properties such as sapwood and heartwood depth in 2D or 3D.

Decagon’s KD2-Pro measures thermal properties of wood and other porous materials.
Energy or Heat Balance (Dynagage) The stem heat balance (SHB) method was originally proposed by Sakuratani (1981) to measure the mass flux rate or sapflow in small stemmed herbaceous plants.

The SHB method is based on the energy balance of a stem segment to which regulated heat energy is constantly supplied by an external annular heater.
Thermal Dissipation (TDP) The Thermal Dissipation Probe (TDP) directly measures sap velocity which can be converted to volumetric flow rate given an accurate measurement of sapwood area for the tree. TDP is an uncomplicated and inexpensive method ideally suited to whole plant transpiration measurements on large diameter trees.

 

Plant Water Potential Measurements

Stem Psychrometer

 Stem Psychrometers offer significant benefits over more common leaf hygrometers through the ease of attachment which minimizes energy balance disruptions that improve measurement accuracy
Scholander Pressure Bombs for field & lab measurement of plant leaf water status
Plant Water Status Consoles The Model 3000 has been the standard of excellence in plant water status research for over 2 decades. This work horse has all the features needed to make extensive readings in record time. Supplied without a bottled gas tank & regulator it is designed for use within the lab where a large air supply tank or mains air supply is available.
Portable Plant Water Status Console The 3115 is our newest model for measuring Plant Water Potential. Its 25 Bar operational range is perfect for the majority of readings.
Pressure Bomb Grommet Sets All grommets, sleeves, and washers can be purchased in individual packs of 5 or as part of a kit of the various sizes.
Plant Water Status Console Regulator  

 

Dendrometers
Electronic Dendrometers for the real time measurement and logging of fruit & stem growth
Manual Band Dendrometer DB20 (NEW) Manual Band Dendrometers or increment gauges are used extensively in commercial forestry and forest research. They are a very reliable and low cost method of accurately measuring and monitoring tree growth rates.
DRL26 Logging Band Dendrometer (NEW) Whole tree water relations research has just become easier and more accurate. The logging band Dendrometer now incorporates its own self-contained datalogger. Using an internal lithium battery there is no need for external batteries or solar panels to power the logger, meaning it can be attached to a tree and set logging with no other accessories or requirements.
DR26 Band Dendrometer (NEW) Whole tree water relations research has just become easier and more accurate. The data collected is of the highest accuracy with a measurement resolution of 1 micron in stem diameter change. Such resolution accurately allows for interpretation of diurnal stem fluctuations in response to climatic and micro-environmental effects in addition to long term growth. Click the image thumbnail for full size
DEX Dendrometers The DEX20, DEX70, DEX100 and DEX200 are highly precise electronic dendrometers that measure the growth and size of plant stems and fruits. The DEX is a caliper-style device with a full bridge strain gauge attached to a flexible arm. The output signal is then recorded by a datalogger or computer in real time.

 

Porometers
Leaf Porometer The SC-1 Leaf Porometer automatically measures stomatal conductance and eliminates human error by picking the end point. The direct readout displays data in terms of either conductance or resistance.

 

Plant Hydraulic Conductance Meters
High Pressure flow meters for measuring Hydraulic Conductance in plant stems and root systems
HPFM-C The High Pressure Flow Meter (HPFM) is designed to perform quantitative root and stem analysis without having to dig up roots or drag limbs back to the lab. In most cases, the analysis of a sample root or shoot is completed in as little as 10 minutes.
HCFM-XP The Hydraulic Conductance Flow Meter (HCFM-XP) is designed to perform quantitative root and stem analysis without having to dig up roots or drag limbs back to the lab. In most cases, the analysis of a sample root or shoot is completed in as little as 10 minutes.

 

Leaf Wetness
Leaf Wetness Sensor

Used with the Em50 logger system
LWS Brochure (140K PDF)
The Dielectric Leaf Wetness Sensor (LWS) enables accurate and affordable leaf wetness
monitoring. The Leaf Wetness Sensor determines the presence and duration of wetness on a leaf's surface, enabling researchers and producers to forecast disease
and protect plant canopies.

 

Plant Temperature Sensors
Canopy Temperature
TT4 Smart Thermocouple Interface The TT4 is a digital interface to allow connection of thermocouple temperature sensors to the SL5 SmartLogger. It provides a means of connecting up to four thermocouples of the same material type to the system, and will interface to most types of common thermocouple.
Leaf Temperature
TR4 Smart Thermistor Interface The TR4 is a digital interface to allow connection of thermistor temperature sensors to the SL5 Smart Logger. It provides a means of connecting up to four thermistors of the specified type to the system.

 

Everest Infra-Red Thermometers
Everest 6110.4 A Handheld, Low Temperature Infra-Red Thermometer with light sighting, variable focus and selectable measurement mode.
Everest 100.3ZL A Portable Low Temperature Infra-Red Thermometer ideal for research and natural applications, and is capable of forty hours of continuous use.
Everest Model 1000 The Model 1000 calibration source is used to check and verify the temperature reading of the low temperature, portable infrared thermometers.

 

Light Sensors
Net Pyrradiometer The CN1-R Net Pyrradiometer measures the net total radiation flux (solar, terrestrial, and atmospheric) downward and upward through a horizontal surface. It is suitable for solar energy studies in agriculture and meteorology.
Quantum PAR Sensor PR1 The PR1 Photosynthetic Active Radiation (PAR) sensor has a similar construction to the SR2 (below) but with a spectral response range from 400 to 700 nanometres. Designed to measure light that promotes photosynthesis in the plant cell, the PR1 can be used above or within a canopy crop growing under either natural or artificial lighting (such as in glasshouses).
Solar Radiation Sensor SR2 The SR2 is a solar radiation shortwave (global) spectrum sensor with a spectral response from 400 to 950 nanometres, which is used to record sunshine hours or total incident solar energy.

 

Ceptometers and Canopy Analysers
Ceptometers and Solarimeters for measuring Leaf Area Index (LAI) and plant biomass
AccuPAR (LP-80) With the new LP-80, you get instant real-time PAR measurements as soon as you turn it on, and your LAI data is updated with each PAR measurement.
CI-110 Digital Plant Canopy Imager

CID CI-110 Apllications 		The CI-110 Digital Plant Canopy Imager can capture and analyze images using its fish-eye lens (150°) and CCD camera. It consists of an image-capturing probe (the lens, camera and auto-level gimball), and arm with 24 PAR sensors and built-in USB interface, and optional laptop computer, and software.

 

Radiometers and Spectrometers
Holland Scientific Canopy Reflectance Sensors
Holland plant canopy ACS-210 Sensor
Holland plant canopy ACS-470 Sensor

GLS-400 Geographical Data Logger

The Holland ACS-210 & ACS-470 sense plant canopy reflectance data in the visible and near-infrared spectrum to provide chlorophyll and nitrogen contents of leaves. These instruments are cost-effective, time-saving and highly-accurate devices to determine plant fertility, health and biomass.

Cropscan Multi-Spectral Radiometers
Multi-Spectral Radiometers for measuring plant biomass, NVDI, Leaf Area Index

Cropscan MSR5

Ground-truthing Landsat satellite images

Cropscan MSR87

General plant growth studies

Cropscan MSR16R

Custom applications
Leaf Probe for use with Miniature Fibre Optic Spectrometer
CI-700LP Leaf Probe/Spectrometer The CI-700LP Leaf Probe with Tungsten/Halogen light source is a sampling device used with Miniature Fibre Optic Spectrometer. It is designed for measuring leaf transmission, reflection, and absorbance. The size of the sampling chamber is 20mm in diameter.

 

Fluorescence and Reflectance
Force A optical sensors for the assessment of physiological and health status of crops through their intrinsic fluorescence properties. These new tools needed for real-time crop monitoring and management, are dedicated to precision agriculture, and can be used for plant sciences research in general.
Multiplex A NEW PORTABLE NON-CONTACT OPTICAL SENSOR FOR PLANT SCIENCES

MULTIPLEX is a hand-held multi-parameter optical sensor based on non-contact leaf or fruit autofluorescence measurements. It is operating on a long-life rechargeable battery.
Dualex OPTICAL ABSORBANCE METERS FOR EPIDERMAL POLYPHENOLICS

The DUALEX Series is based on chlorophyll fluorescence screening. It is insensitive to variable chlorophyll fluorescence and it is independent of leaf chlorophyll content. The measurement is non-destructive, very rapid and simple. It does not need calibration or source adjustment. No preparation of the plant is required, and the measurement can be performed under ambient light outdoors.
FluorPen FP100

Brochure

More Information 		FluorPen is a Photon Systems Instrument that is a low cost method of measuring chlorophyll fluorescence parameters . The basic model measures two parameters: FT - continuous fluorescence yield in non-actinic light. QY - Photosystem II quantum yield.

Request Information
PlantPen PRI200 and NDVI300

Brochure 		PlantPen is a Photon Systems Instrument that is a reflectance-based device providing a convenient, low-cost method of measuring the relative chlorophyll content of a leaf sample.

Standard Plant Pen versions measure the most common indexes: PRI and NDVI
  • The PlantPen model PRI 200 measures Photochemical Reflectance Index in two narrow wavelength bands centered close to 531 nm and 570 nm
  • The PlantPen model NDVI 300 measures Normalized Difference Vegetation Index,. The device compares reflected light at two distinct wavelengths, 660 and 740 nm
Request Information

 

Leaf Area Meters

CI-203 Portable Laser Area Meter

The CI-203 Portable Laser Area Meter uses advanced laser technology to allow researchers a precise and convenient way to measure leaf area (or the areas of leaf-like objects).

 

Photosynthesis
CI-340 Hand-Held Photosynthesis System The CI-340 is a lightweight hand-held photosynthesis system. It has everything you need to measure photosynthesis, transpiration, stomatal conductance, and internal CO2 concentration, as well as many other factors.

 

Root Scanning
CI-600 Root Scanner for Root Monitoring The CI-600 Root Scanner is designed to scan living roots in the soil. To obtain an image, insert the scan head into a pre-installed clear tube, and start the scanning program on the computer. The scan head will automatically rotate a full circle creating a 21.59 x 19.56 cm size high resolution image of the soil and roots.

 

Tree Health and Wood Properties

Rinntech Products

Wood Structure
Tree Tomography
Tree Anatomy
  • Resistograph - Electronically controlled drill resistance measurement
  • Arbotom - Wood tomography using sound impulses
  • Lintab - Precision for every single tree ring
  • Lignostation - Preparation and recording
  • Software


 

 



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