Leaf Area Meter
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| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Model | AM-350 |
| Measurement Width | 103 mm |
| Maximum Sample Length | 2 m |
| Scanning Speed | up to 20 mm/sec |
| Linear Accuracy | ±1% |
| Area Accuracy | ±2% |
| Perimeter Accuracy | ±5% |
| Resolution | 0.065 mm² |
| Memory | 256 KB RAM (stores up to 2,000 datasets) |
| Display | 64 × 240 pixel LCD |
| Rechargeable Battery | 12 V, 1.2 Ah (enables ~3,000 field scans) |
| Operating Temperature | 0–45 °C |
| Dimensions | 275 × 250 × 30 mm |
| Weight | 1.8 kg |
| Output Formats | BMP, TIFF |
| Interface | USB |
| Measured Parameters | leaf area, cumulative area, mean area, diseased area, length, width, perimeter, length-to-width ratio, shape factor (4πA/P², where A = area, P = perimeter) |
| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | AM350 Portable Leaf Area Meter |
| Price | Upon Request |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | CI-203 |
| Pricing | Upon Request |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | YMJ-A |
| Width Range | 0–155 mm |
| Length Range | 0–2000 mm |
| Area Unit | cm² |
| Resolution | 0.01 cm² |
| Measurement Accuracy | ±2% |
| Data Storage Capacity | 5000 sets |
| Power Supply | Built-in 3200 mAh Li-ion battery + removable 1400 mAh external battery |
| Display | LCD with microcontroller interface |
| Calibration | User-accessible internal calibration module |
| Interface | Type-C (data export only on YMJ-B/G variants) |
| Compliance | Designed for field-deployable plant phenotyping in accordance with ISO 11769 (Plant biology — Terminology for leaf morphometric parameters), ASTM E2918-22 (Standard Guide for Field Data Collection in Plant Science Studies) |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | YMJ-A |
| Width Range | 0–155 mm |
| Length Range | 0–2000 mm |
| Area Resolution | 0.01 cm² |
| Measurement Accuracy | ±2% |
| Data Storage Capacity | 5000 records |
| Power Supply | Internal 5000 mAh Li-ion battery + external 1400 mAh replaceable battery |
| Display | LCD with backlight |
| Calibration | Built-in user-adjustable optical calibration module |
| Operating Environment | Field-deployable, ambient temperature 0–45°C, relative humidity ≤85% RH non-condensing |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | YMJ-A |
| Width Range | 0–155 mm |
| Length Range | 0–2000 mm |
| Area Resolution | 0.01 cm² |
| Measurement Accuracy | ±2% |
| Data Storage Capacity | 5000 sets |
| Power Supply | Built-in 5000 mAh Li-ion battery + removable 1400 mAh external battery |
| Display | LCD with microprocessor control |
| Interface | Type-C (data export only on YMJ-B/G variants) |
| Compliance | Designed for field-deployable GLP-aligned plant phenotyping workflows |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | YMJ-B |
| Width Range | 0–155 mm |
| Length Range | 0–2000 mm |
| Area Resolution | 0.01 cm² |
| Accuracy | ±2% |
| Max Measurable Area | 2000 × 155 mm² |
| Data Storage Capacity | 5000 sets |
| Power Supply | Built-in 5000 mAh Li-ion battery + removable 1400 mAh external battery |
| Interface | USB Type-C |
| Display | LCD with microcontroller-based UI |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | YMJ-G |
| Width Range | 0–155 mm |
| Length Range | 0–2000 mm |
| Area Resolution | 0.01 cm² |
| Measurement Accuracy | ±2% |
| Data Capacity | 5000 sets |
| Power | Integrated 5000 mAh Li-ion battery + removable 1400 mAh external battery |
| Interface | USB Type-C |
| Connectivity | Integrated GPS module (L1 band, <3 m CEP) & 4G LTE Cat-1 cellular uplink |
| Display | Backlit LCD with microcontroller-based UI |
| Calibration | On-device user-adjustable optical calibration routine |
| Units | cm², mm (length/width) |
| Compliance | Designed for field-deployable GLP-aligned plant phenotyping workflows |
| Brand | COMECAUSE |
|---|---|
| Model | YMJ-P |
| Type | Imaging-Based Leaf Area Analyzer |
| Origin | Shandong, China |
| Manufacturer | COMECAUSE (Domestic Producer) |
| Width Range | 0–155 mm |
| Length Range | 0–2000 mm |
| Measurement Range | 1–600 cm² |
| Max Leaf Length | 0–290 mm |
| Max Leaf Width | 0–210 mm |
| Hole Detection Threshold | ≥0.1 cm² |
| Area Resolution | 0.001 cm² |
| Linear Resolution | 0.01 cm |
| Accuracy | ±1% (for area >30 cm²), ±2% (for area ≤30 cm²) |
| Response Time | 100 ms (average) |
| Operating Temperature | −30°C to +80°C |
| Relative Humidity | 0–100% RH |
| Software Platform | Windows 10 or later (min. 2 GB RAM, 50 GB HDD, USB 2.0 interface) |
| Camera | 16 MP CMOS sensor with auto-focus and high-intensity adjustable LED illumination |
| Data Export | Excel (.xlsx), cloud-based time-series retrieval, trend visualization (line charts), audit-ready metadata logging |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | YMJ-P2 |
| Width Range | 0–155 mm |
| Length Range | 0–2000 mm |
| Leaf Area Range | 1–600 cm² |
| Max. Leaf Length | 0–290 mm |
| Max. Leaf Width | 0–210 mm |
| Minimum Detectable Hole Area | ≥0.1 cm² |
| Measurement Accuracy | ±2% |
| Drift Stability | <±2% over 12 months |
| Response Time | 50 ms |
| Operating Temperature | −30 °C to +80 °C |
| Relative Humidity | 0–100% RH |
| Imaging Sensor | 16-MP CMOS with LED Backlight Illumination |
| Tablet OS | Android 11 |
| Display | 10-inch TFT-LCD (800 × 1280 px, 10:16 aspect ratio) |
| Onboard Storage | 16 GB |
| Connectivity | Wi-Fi & 4G LTE |
| Power Input | DC 12 V / 1.5 A |
| Device Dimensions (Imager) | 350 × 285 × 320 mm |
| Base Unit Thickness | 10.5 mm |
| Net Weight (Imager) | 1.495 kg |
| Base Unit Weight | 2.0 kg |
| Image Acquisition Speed | ≤1 s per scan |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | YMJ-P2 |
| Price | USD 950 (FOB) |
| Width Measurement Range | 0–155 mm |
| Length Measurement Range | 0–2000 mm |
| Leaf Area Range | 1–600 cm² |
| Max. Leaf Length | 0–290 mm |
| Max. Leaf Width | 0–210 mm |
| Minimum Detectable Hole Area | ≥0.1 cm² |
| Accuracy | ±2% |
| Long-Term Stability (1 year) | <±2% |
| Response Time | 50 ms |
| Operating Temperature | −30°C to +80°C |
| Relative Humidity | 0–100% RH |
| Camera Resolution | 16 MP |
| Imaging Platform | LED-backlit aluminum gantry (350 × 285 × 320 mm) |
| Tablet | 10″ Android 11 (800 × 1280 px, 16 GB storage, Wi-Fi/4G) |
| Power Supply | DC 12 V / 1.5 A |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | YMJ-P2 |
| Price | USD 950 (est.) |
| Width Range | 0–155 mm |
| Length Range | 0–2000 mm |
| Max Leaf Length | 0–290 mm |
| Max Leaf Width | 0–210 mm |
| Measurable Area Range | 1–600 cm² |
| Hole Detection Threshold | ≥0.1 cm² |
| Accuracy | ±2% |
| Long-Term Stability | <±2% deviation over 12 months |
| Response Time | 50 ms |
| Operating Temperature | −30 °C to +80 °C |
| Relative Humidity | 0–100% RH |
| Image Sensor | 16 MP CMOS high-resolution imager |
| Illumination | Uniform LED backlight (cold white, 6000 K) |
| Platform Dimensions | 350 × 285 × 10.5 mm (base), 350 × 285 × 320 mm (full unit) |
| Net Weight | 1.495 kg (imager + base) |
| Integrated Tablet | 10-inch Android 11 device (800 × 1280 px, 16 GB storage, Wi-Fi/4G, DC 12 V / 1.5 A power input) |
| Data Export | CSV, Excel (.xlsx), PNG/JPEG image + metadata |
| Cloud Integration | RESTful API support for secure HTTPS upload |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | YMJ-S |
| Width Range | 0–155 mm |
| Length Range | 0–2000 mm |
| Scanning Area | 220 × 300 mm |
| Optical Resolution | 4800 dpi |
| Area Resolution | 0.001 cm² |
| Length/Width Resolution | 0.01 cm |
| Operating System Compatibility | Windows 7 or later (Windows 10 recommended) |
| Data Export | Excel (.xlsx), CSV, Cloud Platform (charting: bar, line |
| Brand | Hongweiliangzi |
|---|---|
| Origin | Shandong, China |
| Model | YMJ-P |
| Width Range | 0–210 mm |
| Length Range | 0–290 mm |
| Max. Leaf Area | 600 cm² |
| Area Resolution | 0.001 cm² |
| Length/Width Resolution | 0.01 cm |
| Accuracy | ±1% (leaf area >30 cm²), ±2% (≤30 cm²) |
| Camera | 16 MP, auto-focus, integrated high-brightness LED illumination |
| Software | Windows 7 or later (Windows 10 recommended), USB 2.0 interface |
| Data Export | Excel-compatible CSV, time-series charts, cloud-based historical retrieval |
| Brand | Youyunpu |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | YMJ-S |
| Price | USD 860 (approx., based on ¥6200 at 1 USD ≈ ¥7.2) |
| Imaging Area | 220 × 300 mm |
| Optical Resolution | 4800 dpi |
| Power Supply | USB-powered via laptop |
| Measurement Range | Leaves ≤ 220 × 300 mm (broadleaf format) |
| Area Resolution | 0.001 cm² |
| Length/Width Resolution | 0.01 cm |
| Software | Leaf-1000 Image Analysis Suite |
| Brand | Youyunpu |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | YMJ-S |
| Scanner Type | Flatbed Scanner |
| Scanning Area | 220 × 300 mm |
| Optical Resolution | 4800 dpi |
| Power Supply | USB-powered via Laptop |
| Measurement Range | Up to 220 × 300 mm (broadleaf specimens) |
| Area Resolution | 0.001 cm² |
| Length/Width Resolution | 0.01 mm |
| Software | Leaf-1000 Leaf Image Analysis Suite |