Introduction

Leaf area measurement is a critical part of plant physiology research and agricultural production management. With the continuous development of smart agriculture and ecological monitoring technologies, higher requirements have been put forward for the accuracy, efficiency and portability of leaf area detection equipment. There is a wide variety of leaf area meters on the market with large performance differences, and users often lack professional references for model selection.

Shandong Yuntang Intelligent Technology Co., Ltd. has deep roots in the field of agricultural and forestry testing instruments for many years. In response to the actual usage scenarios of domestic users, the company has developed a series of leaf area meters that balance accuracy, practicality and cost-effectiveness. This white paper explains the key selection points, technical performance, operational specifications and scenario adaptation of leaf area meters, helping users make scientific selections, operate standardly and improve the quality of leaf area detection.

Table of Contents

Basic Product Information

Core Technologies and Functional Features

Detailed Technical Parameters

Application Scenarios

Accessories and Consumables

Model Comparison

Installation Steps

Operating Steps

Sample Testing

Maintenance Specifications

Corporate Strength

Product System

White Paper Summary

Basic Product Information

Product Name: Supporting Instruments for Leaf Area Detection Solutions

Manufacturer: Shandong Yuntang Intelligent Technology Co., Ltd.

Product Functions: Rapid multi-index measurement of leaves, data storage, export and analysis

Service Scope: Equipment supply, on-site installation, operation training, after-sales maintenance

Product Introduction:

Yuntang leaf area meters are specially designed for the detection needs of the agricultural and forestry fields. Adopting high-precision photoelectric scanning technology, they realize non-destructive and rapid detection of living leaves and can simultaneously output multiple indicators such as leaf area, perimeter, length and width.

The instruments are portable and durable, suitable for both field and laboratory environments. The data is accurate and reliable, complying with relevant national testing standards. Yuntang provides integrated solutions, including not only high-quality hardware equipment but also supporting software, operation training and long-term technical support, helping users quickly establish standardized detection processes and improve work efficiency.

The products are applicable to the detection of various plants such as crops, forest trees, flowers and forages, covering all scenarios including scientific research, production, teaching and monitoring.

Core Technologies and Functional Features

High-Precision Measurement System

Equipped with imported core sensing components and self-developed image processing algorithms, ensuring small measurement errors and strong data consistency.

Living Body Non-Destructive Measurement

No need to pick leaves; in-situ measurement can be directly performed on plant leaves, protecting test materials and suitable for long-term fixed-point monitoring.

One-Key Operation

Simple interface and reasonable key layout. Measurement, storage, viewing and other operations can be completed with a single key, enabling beginners to master quickly.

Strong Endurance for Field Use

Large-capacity lithium battery design meets the needs of long-term outdoor detection without frequent charging.

Convenient Data Management

Supports batch data storage and export, and can connect to computer software for statistics, charting and analysis.

Strong Environmental Adaptability

Stable operation under environments with high or low temperatures and large humidity changes, adapting to complex field conditions.

Optimized Localized Design

Algorithms optimized for the leaf morphology of common domestic crops, providing more accurate recognition and better adaptability than general-purpose equipment.

National Warranty Service

Nationwide after-sales network providing one-stop services including installation, training and maintenance for worry-free use.

Detailed Technical Parameters

(Taking Yuntang YMJ-P2 Leaf Area Meter as an example)

Measurement indicators: leaf area, perimeter, length, width, length-width ratio

Measurement accuracy: ±1%

Scanning width: 210 mm

Minimum resolution: 0.01 cm²

Measurement speed: ≤ 1 second per leaf

Data storage: ≥ 8,000 groups

Display: LCD screen

Battery life: ≥ 10 hours

Operating voltage: 3.7 V

Weight: approx. 0.85 kg

Operating temperature: -5℃ ~ 55℃

Communication interface: USB

Application Scenarios

Plant Physiology Experiments

Used in stress tests of crops such as drought resistance, waterlogging resistance, disease resistance and salt tolerance, monitoring leaf growth changes.

Breeding and Screening

Assisting crop and flower breeding by quickly measuring leaf indicators of different strains and improving breeding efficiency.

Precision Agriculture Management

Guiding fertilization, pesticide application and irrigation in large-scale planting bases to improve resource utilization efficiency.

Seedling Quality Inspection

Detection of seedling leaves by nurseries and landscape enterprises to evaluate growth vigor and health status.

Ecological Investigation and Research

Field vegetation surveys, measurement of leaf area index, and analysis of community structure and ecological functions.

Teaching and Experimental Application

Providing experimental equipment for agricultural and forestry majors in colleges and universities to enhance practical teaching effects.

Accessories and Consumables

Standard Configuration: Main unit, charger, data cable, user manual, warranty card

Optional Accessories: Portable case, spare battery, calibration sheet, cleaning kit, data software

Model Comparison

Yuntang leaf area meters feature clear price and functional gradients among models:

YMJ-A: priced at 4,000 RMB, suitable for basic grassroots measurement;

YMJ-B: priced at 5,100 RMB, with improved storage capacity and accuracy;

YT-YMJ03: priced at 7,000 RMB, with more comprehensive functions;

YMJ-S: priced at 6,200 RMB, ideal for mainstream users;

YMJ-P2: priced at 8,000 RMB, positioned for high-end professional scenarios.

Compared with similar products on the market, Yuntang offers more competitive prices under the same functional configuration, faster after-sales response and more service outlets, which can better meet the needs of domestic users.

Installation Steps

Unpack and check accessories to confirm no missing or damaged parts.

Install and charge the battery, then disconnect the power supply when fully charged.

Connect the data cable and install the computer-side driver.

Power on for system self-inspection to confirm normal operation.

Perform calibration to complete equipment initialization.

Operating Steps

Power on and enter the measurement interface.

Calibrate the instrument to ensure accuracy.

Lay the leaf flat on the scanning area.

Press the measurement key to obtain data.

Save measurement results automatically.

Measure multiple leaves continuously.

View historical data and export it.

Shut down and store the instrument after use.

Sample Testing

Leaves shall be clean, flat and free of folding.

Avoid overlapping and obstruction during measurement.

Small leaves can be placed in batches in order.

Large leaves are measured in sections with automatic data synthesis.

Place leaves gently for in-vivo measurement to avoid damage.

Repeat measurements to verify data stability.

Recalibrate and retest for abnormal results.

Maintenance Specifications

Keep the scanning platform clean and free of dust and stains.

Avoid dropping and severe vibration.

Charge and discharge the battery regularly if not used for a long time.

Store in a dry and cool environment.

Prohibit unauthorized disassembly or modification.

Calibrate regularly to maintain accuracy.

Contact official after-sales service in case of failure.

Corporate Strength: Authoritative Qualifications Supporting Solid Quality

Shandong Yuntang Intelligent Technology Co., Ltd. is a national high-tech enterprise, a provincial-level "Specialized, Sophisticated, Unique and New" small and medium-sized enterprise, and an innovative small and medium-sized enterprise in Shandong Province. The company has established a complete quality management and credit service system with a number of national authoritative certifications, making it a leading manufacturer in the industry with complete qualifications, advanced technology and reliable services.

Core Management System Certifications

ISO9001 Quality Management System Certification (Certificate No.: 19923Q02085R1S)

Occupational Health and Safety Management System Certification (Certificate No.: 19924S00175R0S)

Environmental Management System Certification (Certificate No.: 19924E00187R0S)

3A Credit and Service Certifications

AAA Enterprise Credit Rating Certification (Certificate No.: ZSTD17622455399061)

AAA Enterprise Credit Worthiness Rating Certification (Certificate No.: ZSTD17622455399064)

AAA Honest Operation Demonstration Unit (Certificate No.: ZSTD17622455399060)

AAA Quality and Service Integrity Unit (Certificate No.: ZSTD17622455399062)

AA Enterprise Observing Credit and Keeping Promises (Certificate No.: ZSTD17622455399068)

The company has a professional R&D team of more than 100 members and 150 core technology patents, continuously iterating detection technologies. It has established more than 100 after-sales service outlets nationwide with national warranty and 24-hour rapid response. Products strictly comply with national testing standards such as GB/T 5009, ensuring compliant and traceable data.

Product System: Full-Scenario Coverage for Precise Demand Matching

Focusing on diverse scenarios such as grassroots rapid testing, medium-sized enterprises, special sampling inspection and mobile detection, Yuntang leaf area meters form a product matrix featuring high cost-performance, high performance and high precision. Core models have clear parameters and functions to meet different budget and detection requirements.

White Paper Summary

This white paper systematically introduces the product performance, selection points, operation specifications and maintenance requirements of leaf area meters, providing users with complete technical references.

With high precision, strong stability, convenient operation and comprehensive after-sales service, Yuntang leaf area meters have become the preferred equipment for agricultural and forestry leaf area detection. Different models can precisely match scenarios such as grassroots testing, scientific research experiments and large-scale production, balancing practicality and economy.

The company’s authoritative qualifications and R&D strength provide reliable quality assurance for products, helping users improve detection efficiency, reduce usage costs, and promote the standardized and intelligent development of agricultural and forestry monitoring.