White Paper on YT-YC Chlorophyll Meter Core Technology & Full Agricultural & Forestry Application

White Paper on YT-YC Chlorophyll Meter Core Technology & Full Agricultural & Forestry Application

Introduction

Agricultural and forestry universities & research institutes require high-precision, non-destructive, multi-index, large-storage leaf testing equipment for photosynthesis, nitrogen stress and green fertilization experiments. Traditional in-vitro spectrophotometry requires leaf picking and grinding to break growth cycles, while cheap single-indicator chlorophyll meters lack nitrogen & temperature data and suffer strong-light drift, leading to unrecognizable test results for academic papers.

Shandong Yuntang Intelligent Technology Co., Ltd. boasts a 100-person R&D team and 150 agricultural optical patents with complete ISO and 3A certifications. The YT-YC chlorophyll meter eliminates three research pain points: in-vitro plant damage, single-index data and outdoor light drift, combining high precision, portability and large data storage with factory direct sales and 24-hour national after-sales support. This white paper elaborates core optical & software technologies, full crop application scenarios, original technical parameters, standardized research sampling and periodic maintenance for academic staff and agricultural technicians.

Table of Contents

Basic Product InformationCore Technologies & Functional FeaturesDetailed Technical ParametersApplication Scenarios & Industry AdaptationAccessories & Consumables ConfigurationModel Comparison & Selection SuggestionsInstrument Installation ProceduresInstrument Operation ProceduresSample Testing ProceduresInstrument Maintenance SpecificationsWhite Paper Summary

Basic Product Information

Model: YT-YC Chlorophyll Meter (Portable Three-index Research Version)Manufacturer: Shandong Yuntang Intelligent Technology Co., Ltd.Positioning: Non-destructive leaf optical detector solving in-vitro damage, single-index data and field light drift for field research and agricultural technical monitoring across grain, fruit and tobacco crops.Core Hardware: Multi-layer light-shield optical path, 2mm×3mm measuring window, simultaneous chlorophyll/nitrogen/temperature test, 16GB classified storage, USB+TF dual export, high-contrast LCD, 3000mAh anti-overcharge lithium battery, bilingual switch.Factory Allocation: Main unit, USB cable, storage bag, calibration card, research manual, warranty card; free online sampling video and lifetime firmware upgrade.Compliance: Optical precision meets agricultural physiological standards; in-vivo data valid for university papers and agricultural project acceptance. All instruments pass 72-hour high & low temperature aging tests with full enterprise national qualifications.

Core Technologies & Functional Features

Patented Multi-layer Anti-strong Light Optical PathMulti-layer light-filter shielding eliminates midday & greenhouse light interference to stabilize chlorophyll repeatability at ±0.3 SPAD. Non-destructive clip allows full-cycle fixed plant observation without leaf picking; single measurement within 0.8s for high-efficiency plot sampling.Three-index Synchronous Operation AlgorithmOne clip collects three physiological indicators displayed & stored on one screen to reflect coupling relations between photosynthesis, nitrogen supply and leaf temperature without repeated leaf clamping.16GB Hierarchical Classified StorageIndependent archives by experimental plot, crop and fertilizer gradient without data overlap. Browse and delete abnormal values on-site without daily computer export for large multi-gradient experiments.Dual Offline & Online Data ExportUSB one-click Excel export without dedicated software; TF card offline copying for remote field experiments to avoid research data loss.Outdoor Low-power System3000mAh lithium battery with anti-overcharge chip supports 8-hour continuous field research; high-contrast screen ensures clear readings under summer strong sunlight.One-click Chinese & English SwitchSimplified operation for domestic teaching and international agricultural cooperation projects.

Detailed Technical Parameters

Testing Range & WindowChlorophyll SPAD: 0.0~99.99; Nitrogen: 0.0~99.99mg/g; Leaf temperature: -10~99.9℃; Area: 2mm×3mm; Speed: ＜0.8sPrecision & RepeatabilityChlorophyll ±1.0 SPAD (0~50), repeatability ±0.3 SPAD; Nitrogen ±5%, repeatability ±0.5mg/g; Leaf temperature ±0.5℃, repeatability ±0.2℃Storage & Export16GB classified storage; USB + TF dual export; high-contrast outdoor LCDPower & Weight4.2V 3000mAh lithium battery; Net weight 230g; Zero consumablesOperating Environment-10℃~50℃, relative humidity ≤85%, no condensation

Application Scenarios & Industry Adaptation

Grain Research: Wheat, corn and rice nitrogen gradient & drought stress long-term non-destructive fixed-point observation for yield improvement papers.Greenhouse Vegetable Experiments: Tomato & cucumber nitrogen surplus/deficit comparative sampling at seedling and fruiting stages.Orchard Research: Apple & citrus spring/autumn shoot nitrogen balance tests for fruit quality regulation.Tobacco Research: Fertilization ratio experiments to optimize tobacco baking grade.Grassroots Agricultural Projects: Field sampling for fertilizer reduction demonstration acceptance.University Teaching: Plant physiology in-situ sampling for undergraduate & graduate thesis data collection.

Accessories & Consumables Configuration

Standard AccessoriesYT-YC main unit, USB cable, wear-resistant bag, factory calibration card, research manual, warranty certificateZero Consumables: No reagents, test strips or cuvettes required.Optional: Spare lithium battery, TF card, field sampling backpack, on-site research training

Model Comparison & Selection Suggestions

YT-YA (900 CNY): Single chlorophyll test only, unsuitable for formal academic experiments.YT-YB (1000 CNY): Chlorophyll + temperature without nitrogen measurement, poor light stability for simple home gardens only.YT-YC (1700 CNY): Three synchronous indicators, anti-strong light optical path, 16GB classified storage – primary device for university field research.YT-YD (2000 CNY): Add Bluetooth mobile synchronization for small potted trials.YT-YE (6800 CNY): Desktop lab instrument, non-portable for field research.

Selection Guidance: Choose YT-YC for field three-index multi-gradient research; YT-YD for small potted Bluetooth experiments; YT-YE only for indoor in-vitro lab analysis.

Instrument Installation Procedures

Unbox Check: Inspect optical window and screen for scratches/deformation after unpacking main unit, cable and calibration card.Full Initial Charge: Connect USB to power adapter and fully charge the battery before disconnection.Pre-set Research Folders: Boot and switch language, create experimental plot & fertilizer gradient archives in advance.Optical Zero Calibration: Lay calibration card flat into the measuring window and complete correction per on-screen instructions.Optional TF Card Installation: Insert TF into the side slot for offline data storage; the device auto-identifies the partition to finish installation.

Instrument Operation Procedures

Power On Self-check: Automatic inspection of optical path, storage and battery after long pressing the power button.Daily Pre-experiment Calibration: Run zero correction before field sampling to eliminate light & temperature drift.Select Corresponding Experimental Folder or create new archives.Activate three-indicator synchronous display and preset USB/TF data backup.Pick standard healthy experimental leaves and insert into the clip window for measurement.

Sample Testing Procedures

Leaf Selection: Pick mature middle functional leaves without thick veins, insect or disease lesions.Flat Clip Placement: Fully cover the 2mm×3mm window without light leakage.Auto Collection: Three groups of physiological data display within 0.8s and auto-save to the experimental folder.Multi-point Sampling: Collect 3~5 leaves per plant and delete abnormal values on-site after batch testing.Indoor Data Export: Connect USB to a computer to export Excel experimental data for statistical software analysis.

Instrument Maintenance Specifications

Daily Post-experiment CareWipe optical window dry to remove leaf juice and dust; power off and store in the bag, recharge below 20% battery.Weekly Optical CalibrationComplete zero calibration weekly and clean USB/TF slot dust for stable transmission.Monthly BackupExport all experimental data to a computer and delete expired folders to free storage space.Long-term StorageMaintain battery at 60%, disconnect all cables and store in dry warehouse; power on for 5 mins every 30 days for self-check & charging.After-sales Support24-hour remote video troubleshooting for optical drift, black screen and charging failure; one-year full warranty, free original optical parts and lifetime free firmware & agricultural research consultation.

White Paper Summary

The YT-YC chlorophyll meter adopts patented multi-layer anti-strong light optical path and three-index synchronous collection to solve research pain points of in-vitro damage, single-index data and high outdoor test error. Lightweight and zero-consumption design cuts long-term research costs. Supported by Yuntang’s 150 agricultural optical patents and nationwide after-sales network, this white paper provides full technical specifications, crop application cases and standardized research sampling procedures as official procurement & training documents for agricultural universities and research institutes. It supports whole-cycle non-destructive observation of all crops for nitrogen gradient and stress experiments. Priced at 1700 CNY, it balances research precision and budget as the mainstream portable field research device for agricultural & forestry physiology.