LK-5500 Plant Physiological and Ecological Monitoring System

Plant physiological and ecological monitoring systemAdopting IoT architectureBased on4GRemote data transmission technology and big data, cloud computing and Internet information technology, to collect and upload data，measurementplantParameters such as stem flow, phenology, soil moisture, redox, stem and fruit growth,Select relevant sensors according to research needs to monitor the physiological growth status of plants and their surrounding environmental factors for a long time, in order to obtain comprehensive information on plant growth.Widely used in physiological and ecological monitoring of plants in agriculture and forestry.

Key Features:

• Online long-term monitoring

• Can simultaneously monitor plant stem flow, fruit growth, soil parameters, phenology and other parameters

• Download and analyze data anytime

• High precision and strong stability

• Easy to operate, sturdy and durable

System Configuration

Data collector transmission moduleRTUTheHPV06Plant stem flow sensorLT-1TBlade temperature sensorFI-LT/FI-MT/FI-STFruit growth sensorSD-5TandSD-10TStem growth sensorDE-1TStem growth sensorSMT100Soil moisture temperature sensorGMP343Carbon dioxide sensor, soil redox potential sensor, phenological cameraSRS-NDVINormalized vegetation index sensorSRS-PRIPhotochemical reflectance index sensorData collection and display platform.

Wireless data acquisition and transmission module

TBSL1/RFB-4GIt is a multifunctional outdoor spaceapplicationRTUAs a multi-sensor wireless bridge,baseWith its dual-mode modem, it can be used in anyLTE 4GRunning on the network.Applicable to ecological environment monitoringmanyplantCommonly used sensorsofFlexible platformIt has multiple built-in sensor interfaces, includingSDI-12Pulse and simulationWait;TBSL1/RFB-4Grely onMQTTThe protocol exchanges data with the application server to ensure smooth transmissionstable性和dataquality In transmissionDuring the measurement periodThe platform andMQTTagentserverEstablish (secure)TCP/IPConnect and publish itMeasurement instruction.

Main parameters

• Input channel:SDI-12 v1.3Digital protocols2An analog input,1Pulse input channel

• Dual mode modem:LTE:BC3/5/8/28The3G:BC1/5/8

• MQTT v3.1.1Network Protocol: UtilizingMQTTagreementQoS=1Realize reliable and persistent communication

• MQTTCommunication security option: NormalTCP/IP, with username and passwordTCP/IP, with username and passwordTLS1.2TheTLS1.2And client certificates.

• PCEnd application program（USB）Each sensor can be configured with measurement intervals and transmission intervals

• Automatic timing

• Can be remotely configured

• Rechargeable lithium-ion battery

• Solar panels:2-5W，MPPvoltage5-6V

• Low static current:400µA

• Operating Temperature-40 ~ 85°C

HPV06Plant stem flow sensor

HPV06Plant stem flow sensorIt is a low-cost, high-precision sensor used to measure the stem flow and stem moisture content of plants. It can measure the entire observable thermal velocity and fluid flow in plants. adoptDMAThe thermal pulse method uses a three probe design with two temperature probes on top and bottom, connected to a heating needle in the middle, to measure liquid flow in both forward (i.e. from root to crown) and reverse (i.e. from crown to root) directions.

Main parameters

• Range of stem flow measurement:-200 to>1000 cm/hr(Heating rate)|-40to>200 cm3/cm2/hr(Liquid flow density)

• Accuracy:±0.1 cm/hr

• Resolution:0.001 cm/hr

• Moisture content measurement range:0-100%

• Accuracy:< 4 %

• Resolution:0.01 %

• Probe size:30 mmlongx 1.3 mmdiameter

• Thermistor response time:200 ms

• Power input:12 Vdirect current

• Sensor output:SDI-12

• Cable length:5 m (standard) |60 m(Maximum)

• Temperature range:-30 to+70 °C

LT-1TBlade temperature sensor

LT-1T blade temperature sensorIt is a submicron contact probe that measures the absolute temperature of leaves. The lightweight stainless steel wire clamp holds a high-precision millimeter level glass encapsulated thermistor. The small size and special design of the probe can almost ignore the interference on the natural blade temperature.Thermistors are usually located on the underside of the blades, reaching equilibrium with the temperature of the blades.Thermistor is connected through a0.15mmConnect the thin wire to the clamp to minimize heat conduction and response time. All wires have been protected to prevent corrosion under humid operating conditions.

Main parameters

• Measuring range:-5 - 50℃

• Measurement accuracy:<0.15℃

• Error:±0.08℃

• Sensor weight:1.6g

• Contact area of thermistor sensor:1mm²

• Power supply voltage:5-24VDC

• Activation time:0.15s

• Sensor size:50*20*10mm

• Protection level:IP64

• Cable length:4m

FI-LT/FI-MT/FI-STFruit growth sensor

FI-LT/FI-MT/FI-STFruit growth sensorIn7-160mmWithin three diameter ranges，Complete records了Round fruitsizeandlifeLong rate.This sensorWe can study the effects of irrigation rate and other environmental factors on water balance and fruit growth.FIThe type sensor is installed in a special clampLVDTComposed of sensors and DC power signal regulators.widely usedRegarding monitoringFruit size and harvest management.

Main parameters

• Measuring range:FI-LT：30 - 160 mm |FI-MT：15 - 90 mm |FI-ST：7 - 45 mm

• Resolution:FI-LT：0.065 mm |FI-MT：0.038 mm |FI-SMT：0.019mm

• Noise:< 1 mV

• output:SD-12

• Power supply voltage:5- 24 VDC

• Activation time:5s

• Protection level:IP64

• Operating Temperature0～50℃

• Cable length:4m

SD-5TandSD-10TStem growth sensor

SD-5Tand SD-10TThe stem growth sensor adopts the most advanced technology to accurately measure the growth dynamics of stems.thatSensors are a type of sensor based onLVDTHigh precision incremental sensor for monitoring stem diameter changes in the micrometer range；fromLVDTexploreComposed of a head and a DC power signal regulator, installed on a special fixed bracket. Suitable for monitoring crop cultivation and advanced scientific research projects.

Main parameters

• Applicable stem diameter range:SD-5T：5 - 25 mm |SD-10T：20 - 70 mm

• Measuring range:SD-5T：0 - 5 mm |SD-10T：0 - 10 mm

• Resolution:0.001 mm

• Accuracy:0.002 mm

• output:SDI-12

• Power supply voltage:5 - 24VDC

• Operating Temperature0～50℃

• Temperature effect:< 0.02 %/℃

• Activation time:5s

• Cable length:4m

DE-1TStem growth sensor

DE-1TStem growth sensor is a type of sensor based onLVDTThe high-precision incremental sensor is used to monitor changes in tree trunk radius within a micrometer range. This sensor includes a linear displacement sensor(LVDT)Installed on a special rod at the threaded end. When the threaded rod is fixed inside the tree trunk,LVDTThe pole follows the surface of the tree trunk, and its output signal follows the surface of the tree trunkLVDTThe distance between fixed ends varies. Suitable for monitoring changes in tree trunk or stem diameter, and associated with environmental variables and tree trunk moisture. Suitable for horticultural tree crops such as almonds, citrus, pistachios, stone fruits, etc.

Main parameters

• Applicable stem diameter:0>6cm

• measurement range:0 - 10 mm

• Resolution:0.001 mm（1 Mm）

• Accuracy:0.005 mm（5 Mm）

• output:SDI-12

• Power input:5 - 24 VDC

• Operating Temperature0～50℃

• Temperature effect:< 0.02 %/℃

• Activation time:5s

• Cable length:1m

SMT100Soil moisture temperature sensor

SMT100soilMoisture temperature sensoryesGermanyTRUEBNERThe new technological standards, low-cost, and high-quality products produced by the companyceremonyInstrument with excellent accuracy, suitable for demanding scientific and precision agricultural applications, capable of measuring soil moistureAnd temperature.

Main parameters

• Volume water content（VW）

1. precision：Factory calibration up to±3% (VW)；At an average salinity of0-50% VWSoil specific calibration in mineral soils up to±1% (VW)

2. measurement range：0-60% VW

3. resolution：0.1%VW

• soiltemperature

1. precision：usually±0.2°CWithin the entire measurement range, the maximum ±0.4°C, simulated version ±0.8°C

2. measurement range：-40-+80°C

3. resolution：0.01°C

• power supply：4-24 V DC

• power consumption：40mA(Measurement)

• Cable length：10m（455px× 75px× 30px)

• dielectric constant：1air-80(Water)

• response time：50us

• signal output：Number:Rs- 485 Modbus asciisnon-f 12Simulation:0-10v

• Data logger compatibility：Having appropriate power supply voltage andRS-485（TBUSTheModbusTheASCII）TheSDI-12Or analog input recorders can be provided for free upon requestPCRecorder software

GMP343Carbon dioxide sensor

GMP343The sensor is a silicon-based non diffuse infrared sensor(NDIR), can provide single beam, dual wavelength carbon dioxide(CO₂)Measurement: The sensor consists of a carbon dioxide sensor, electronic components, and a housing suitable for long-term field use. It has no moving parts and provides temperature, pressure, humidity, and oxygen compensation options, with excellent accuracy and stability.

Main parameters

• temperature

• Work:-40 to+60 °C (-40 ... +140°F)

• Storage:-40 to+70 °C (-40 ... 158°F)

• pressure

• Compensation scope:700 . .. 1300 hPa

• Work:<5 bar

• Pump suction airflow:0to10 L/min

• Electromagnetic compatibility: comply withEN61326Standard, General Environment

• performance metrics

• Range options:0 -1000 ppm, 0-2000 ppm, 0-3000 ppm, 0-4000 ppm, 0 -5000 ppm, 0-2 %

• Accuracy:±1.5%

• Response time:30s

• Input and output:

• Working Voltage 11 . .. 36 VDC

• power consumption

• Without optical heating:<1 W

• Equipped with optical heating:<3.5 W

• Analog output: current output range 4 . .. 20 mA

• Resolution:14bit

• Maximum load:800 Ohm @ 24 VDC, 150 Ohm @ 10 VDC

• voltage output

• Scope:0 . -2.5 V, 0- 5 V

• Resolution:14Bit（0-2.5VWhen is13bit)

• Minimum load ：5 kOhm

• Digital output:RS485, RS232

• Material

• Shell: anodized aluminum alloy

• filter cover PC

• Protection level

• housing (Attached cable) IP67

• Diffusion filter (Meteorological protection) IP65

• Diffusion filter (sinteringPTFE) IP66

• Weight (probe only):360 g

Soil redox potential sensor

Soil redox potential sensor includesredoxORPElectrode, reference electrode, and salt bridge. Measurement of Soil Redox Potential Based onThe principle of platinum electrode potential measurement,Oxidation reduction in measuring circuitsORPThe electrode serves as the positive electrode, and the reference electrode serves as the negative electrode.

Main parameters

redoxORPelectrode

1.Type: Platinum electrode with fiber protective shell;

2.Output signal:mV；

3.Measuring range:-1 ~ 1 V；

4.Cable length:2 m；

pHelectrode

5.Measuring range:-175 - +175 mV；pH4–pH10；

6.Resolution:1mV；

7.Specification: Diameter:6mm; Length:80mm；

8.Cable length (standard):2m；

reference electrode

9.Type:Ag/AgClElectrode;beltCeramic diaphragm;

10.Specification: Diameter12mm，Handle length120mm；

11.Cable length：2m；

Phenological camera

• Resolution:5 MP：2592x1944（10 FPS）/ 3 MP：2048x1536

• （12 FPS）/1.3 MP：1296x960（30 FPS）(Three models to choose from)

• Sensitivity:0.3LuxIn infrared mode, for0Lux(Models with infrared illumination)

• automatic/Manual mechanical infrared filter (on infrared models)

• video outputBNCAllow watching videos on on-site monitors and public monitors

• automatic/Manual exposure, automatic/Manual color balance, sharpening, automatic/Manual haze, replacement of defective pixels

• Contrast enhancement, gamma correction,DNR(Digital denoising), adaptive image resolution (low light)

• Integrated video motion detection and dynamic video bandwidth saving mode

• Lens holder: Industry standard CSFixed seat (compatible)CFixed seat)

• 1 x 10 / 100-baseTEthernet,RJ-45，PoE 802.3af(Power over Ethernet)

• 1 x BNCVideo output（NTSC / PAL）

• 1 xDC automatic aperture connector

• 1 x RS-232Serial port,DB9Gongtou, highest115.2Kb

• 1 xFully isolated digital alarm input

• 1 The rated voltage is28VDC 2Aor125VDC 0.5AThe fully isolated relay

• Size:3.23 Inches wide（82 Millimeters)x 2.25Inch height（57 Millimeters)x 4.4Inch length（112 Millimeters)

• BNCVideo connectors have been added0.7 Inches（18 Length in millimeters

• Weight:14 Ounces（397 Ke)

• Working temperature range:-40° to+ 122°F（-40° to+ 50°C）

• Power requirements:12VDC / 24VAC / POE

• EMICertificationFCC，ALevel,CE（EN55024）

SRS-NDVINormalized vegetation index sensor

• NDVIBand: Peak wavelength:650±2nmand810±2 nm, half peak widthFWHMAll are10nm；

• Accuracy: superior to spectral irradiance and radiance values10%；

• Resolution: The upward hemisphere field of view sensor is:0.0001 Wm^-2 nm^-1The downward field aperture sensor is:0.0001 W m-2nm-1 sr-1；

• Electronic optical components:(1)Teflon cosine corrector, hemispherical field of view;(2)Field of view aperture: Field of view range36°；

• Calibration: Compliant with the spectral irradiance calibration standard of the National Institute of Standards and Technology in the United States(W m^-2nm^-1)Or radiance(W m-2nm-1sr-1)；

• Measurement time:~600 ms；

• Size:43×40×27mm；

• Weight: Sensor:47gSensor strip5mLine:170g；

• power supply3.6 - 15 VDCDuring the measurement period（300ms）4 mADuring the testing period30µA；

• Operating Temperature-40 - 50℃；

• Cable length: standard configuration5 mOther lengths can be customized;

• Interface type:3.5 mmEarphone interface or tin plated bare wire interface;

• Communication:SDI-12Digital sensors.

SRS-PRIPhotochemical Reflectance Index Sensor

• PRIBand: Peak wavelength:532±2nmand570±2 nm, half peak width（FWHM）For10nm；

• Accuracy: superior to spectral irradiance and radiance values10%；

• Resolution: The upward hemisphere field of view sensor is:0.0001 W m-2 nm-1The downward field aperture sensor is:0.0001 W m^-2nm^-1sr^-1；

• Electronic optical components:(1)Teflon cosine corrector, hemispherical field of view;(2)Field of view aperture: Field of view range36°；

• Calibration: Compliant with the spectral irradiance calibration standard of the National Institute of Standards and Technology in the United States(W m-2 nm-1)Or radiance(W m-2 nm-1sr-1)；

• Measurement time:~600 ms；

• Size:43×40×27mm；

• Weight: Sensor:47gSensor strip5mLine:170g；

• power supply3.6 - 15 VDCDuring the measurement period（300ms）4 mADuring the testing period30µA；

• Operating Temperature-40 - 50℃；

• Cable length: standard configuration5 mOther lengths can be customized;

• Interface type:3.5 mmEarphone interface or tin plated bare wire interface;

• Communication:SDI-12Digital sensors.

Origin and Manufacturer: ChinaEco-mind