EMS-ETPlant physiological and ecological monitoring system

The plant physiological and ecological monitoring system consists of a data collector, plant stem flow sensor, plant growth sensor, plant chlorophyll fluorescence monitoring unit, plant root monitoring unit, TRIME-PICO intelligent soil moisture sensor, meteorological factor sensor, wireless transmission module, and data download and browsing analysis software. It can be placed in the field for a long time to automatically monitor plant growth status, plant stress physiological ecology, plant water use, and the relationship with soil moisture and meteorological factors. It is suitable for physiological and ecological monitoring research of crops, garden horticulture, and forests.

System Characteristics

lBased on a professional plant physiological and ecological data collection system, including data collectors and corresponding plant physiological and ecological data collection, analysis, browsing, and downloading software

lEMSHigh precision stem flow monitoring module, high precision, high stability, high resolution, effectively avoiding burns to plants;

lChlorophyll fluorescence technology is used to monitor the photosynthetic physiology and stress physiology of plants;

lThe world-renowned TRIME-PICO intelligent sensor, with TDR technology, is currently the most accurate and stable soil moisture sensor, suitable for various soil types including high salinity and high conductivity soils;

lOptional MiniRhizotron technology for observing and analyzing plant root system dynamics;

lOptional plant photosynthesis monitoring scheme

lOptional air CO₂Monitoring and Soil Profile Carbon Flux Monitoring Plan

lGPRSRemote wireless data transmission and browsing.

TECHNICAL INDEX

1. Standard 32 channel modular data collector, optional 16 channel or 64 channel analog input, compliant with DIN rail installation standards, supports SDI-12 sensors, and can support up to 107 digital channels

a) 16Bit resolution,± 20 mVUp to ± 2.5 V 8Range input, accuracy 0.03%

b) 4One or eight counters

c) Can store 220000 (optional 450000) sets of timestamp data, with adjustable measurement intervals of 3 seconds to 4 hours, and an average data interval of 3 seconds to 4 hours

d) Support GPRS/Internet remote data transmission

e) Voltage 6.5-15VDC, standby power consumption less than 1mA, measured power consumption 30mA, 3V lithium battery backup battery can be used for more than 5 years

f) PSM14The power module can provide overvoltage protection for the entire system

g) Working temperature&shy- 40－60°C；

2. Plant Physiology and Ecology Professional Data Download and Analysis Software, capable of data download, online observation, bar chart, data restoration, statistical analysis (such as hourly average, daily average, total, minimum value, maximum value, data correlation analysis, regression analysis), chart display, and system settings, etc;

3. Chlorophyll fluorescence monitoring unit:

a)Built in clock data acquisition, capable of storing 100000 sets of timestamp data and outputting spatiotemporal information data (time, latitude and longitude)

b) Capable of working independently (not limited by distance or location), with automatic activation, monitoring, and storage functions

c) High time resolution, up to 100000 times per second, can automatically run OJIP test, measure and record about 500 sets of data in 1 second, and obtain 26 fast chlorophyll fluorescence dynamic parameters such as PI (performance index), Fv/Fm, ABS/RC (absorbed light quantum flux per unit reaction center), etc

d) Transparent fiber optic probe for completely non-destructive long-term monitoring, optional blade clamp

e) Equipped with 3 sets of fluorescence quenching analysis measurement protocols and 3 sets of light response curve analysis measurement protocols, it can display and analyze fluorescence quenching curves, light response curves, and OJIP curves

f) In addition to the OJIP rapid fluorescence kinetics measurement parameters, other measurement parameters include chlorophyll fluorescence parameters such as F0, Ft, Fm, Fm ', QY, QY1 Ln, QY1 Dn, NPQ, qP, Rfd, etc

4. Wrapped plant stem flow monitoring: SHB (Stem Heat Balance) heating technology, the sensor consists of two halves of a cylindrical body, wrapped heating and measuring device, external heating of the stem, high precision, high stability, high resolution, energy demand and stem flow rateProportional, low energy consumption, with an average energy consumption of 0.3-0.4W;The heating energy (mW) is converted into stem flow value through software, and the temperature sensor is a specially designed T-type thermocouple.6mmProbe, constant temperature difference 2KOr 4K, including stem flow sensors for stems with diameters of 6-12mm and stem flow sensors for stems with diameters of 10-20mm;

5. Trunk flow monitoring (optional for forest physiological and ecological monitoring): Stem flow measurement THB (Tissue Heat Balance) heating technology, which heats the inside of the trunk and directly heats plant tissues using the current flowing through the xylem between electrodes. It has high accuracy, stability, and resolution, and energy requirements are related to stem flow rateProportional, low energy consumption, with an average energy consumption of 0.3-0.4W;The heating energy (mW) is converted into stem flow value through software, and the temperature sensor is a specially designed thermocouple probe with a constant temperature difference of 1KUsed for monitoring the flow of tree trunks with a diameter of 12cm or more;

6. Indicative stem flow sensor, with readings proportional to stem flow changes (but unable to provide actual stem flow), suitable for plant stems of 1-5mm, and available for optional stem diameters of 4-10mm

7. Stem growth sensor: PDS40 (optional PDS60/PDS80), measurement range 5-40mm (20-60mm/40-80mm), resolution 1 μ m, accuracy of 0.5% of the full range, maximum force of 2N close to plant stem, temperature influence rate 1 um/K; Suitable for stem range and measurement range consistency; Alternatively, other measurement ranges of 0-5mm with a resolution of 0.002mm can be selected, suitable for plants with stem diameters of 5-25mm or 20-70mm

8. Tree stem growth sensor: measuring range 0-65mm, resolution 0.001mm, suitable for monitoring the growth of trees with a diameter of 8cm or more, optional independent monitoring module (not affected by measurement distance); Alternatively, a trunk growth monitoring strip can be selected, made of stainless steel, with a measurement range of 0-50mm and a resolution of 0.1mm;

9. Fruit growth sensor: The monitoring range includes 0-10mm (resolution 0.005mm), 7-45mm (resolution 0.019mm), 15-90mm (resolution 0.038mm), 30-160mm (resolution 0.065mm) to choose from, suitable for monitoring the growth of circular fruits with diameters of 4-30mm and 7-160mm;

10. Leaf temperature sensor: measurement range 0-50℃The accuracy is better than 0.15 ℃; Alternatively, a non-contact (non-destructive) infrared leaf surface temperature sensor can be selected, with a measurement range of 0-100 ℃ and an accuracy of 0.2 ℃;

11. Infrared canopy temperature sensor: measurement range-20°Cto-65 ° C, accuracy 0.2 ° C, sensitivity 40μV/°CBand range 8-14μm, with a field of view of 18 degrees

12. Net radiation sensor (optional): Band range 0.2-100 μ m, sensitivity 10 μ V/W.m^-2Working temperature-40°Cto+80°CResponse time is less than 60 secondsOther types of sensors can be optionally equipped, such as Schenk8110, with a measurement range of 0-1500W. m^-2The frequency range is 0.3-100 μ m, with a stability of 3% per year and a sensitivity of 15 μ V/W. m^-2；

13. Wind speed and direction sensor (optional): wind speed measurement range 0-30m/s, resolution 0.01m/s, accuracy ± 3%; Wind direction resolution 1 degree, accuracy ± 3 degrees

14. Rain gauge: with an area of 200cm2 and a resolution of 0.1mm; Different types of rain gauges can be selected according to customer needs

15. Air temperature and humidity sensor: temperature measurement range -40-60 ℃ (optional with other measurement ranges), accuracy of 0.1 ℃; Air humidity measurement range 0-100%, accuracy 2%

16. Photosynthetic Effective Radiation Sensor: Band 400nm -700nm, Sensitivity 10.0mV/mmolm^-2s^-1Working temperature -20-60 ℃;

17. TRIME PICO 64/32Intelligent soil moisture sensor: measurement range: 0-100% volumetric moisture content; Measurement accuracy: 0-40% volume moisture content ± 1%, 40-70% volume moisture content ± 2%; Measurement repeatability: 0-40% volume moisture content ± 0.2%, 40-70% volume moisture content ± 0.3%, measurement volume: PICO64 is 1250ml, PICO32 is 250ml; Soil temperature measurement range: -15 ℃ -50 ℃ (other temperature ranges can be customized, or an optional -30-50 ℃ temperature sensor can be selected), accuracy ± 0.2 ℃

18. Plant root observation unit (optional): composed of micro root canals, micro root canal microscopes, and analysis software, with a standard micro root canal diameter of 44mm (inner diameter of 42mm), high transparency, high toughness, and rain resistance. The length of the micro root canal endoscope is available in 17 inches, 22 inches, 28 inches, and 37 inches. The micro root canal imaging unit is equipped with a 1/4 "color CCD, 768 x 494 pixels, signal-to-noise ratio of 48DB, and can be optionally equipped with a handheld high-resolution imaging unit, a 1/3" color CCD, with a resolution of up to 1600 x 1200 pixels; Communication and image capture through USB and computer, easy to operate

Place of Origin:Europe, domestic integration