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 | UK |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | AM-300 |
| Pricing | Available Upon Request |
| Brand | CID Bio-Science |
|---|---|
| Origin | USA |
| Model | CI-202 |
| Measurement Principle | Laser-based optical scanning (670 nm diode laser) |
| Max Sample Thickness | 1.5 cm |
| Scan Width | 15 cm |
| Scan Length | 36 cm |
| Optical Resolution | 0.025 mm² |
| Area Resolution | 0.01 cm² |
| Accuracy | ±1% for samples >10 cm² |
| Data Storage Capacity | 8,000 measurements |
| Display | 16-character × 2-line LCD |
| Scan Speed | 200 mm/s |
| Power Supply | 7.2 V Ni-MH rechargeable battery |
| Battery Life | Up to 15 hours per charge |
| Operating Temperature | 0–50 °C |
| Dimensions (L×W×H) | 38.5 × 29 × 12.5 cm |
| Weight | 1.8 kg |
| Interface | USB 2.0 |
| Included Accessories | Scanning plate, host unit, charger, USB cable, proprietary software (CID Bio-Science LeafWorks™), user manual, carrying case |
| Brand | CID Bio-Science (USA) |
|---|---|
| Origin | USA |
| Model | CI-203 |
| Measurement Principle | 670 nm laser scanning with real-time image-based morphometric analysis |
| Operating Temperature | 0–50 °C |
| Relative Humidity Range | 0–100% RH (non-condensing) |
| Laser Wavelength | 670 nm |
| Max Sample Thickness | 30 mm (in-situ), 15 mm (with CI-203CA conveyor) |
| Max Sample Width | 150 mm |
| Max Sample Length | 3000 mm |
| Optical Resolution | 0.025 mm² |
| Display Resolution | 0.01 cm² |
| Area Accuracy | ±1% (for samples >10 cm²) |
| Scan Speed | 200 mm/s (handheld), 100 mm/s (CI-203CA) |
| Data Storage | Removable 16 GB SD card |
| Display | 320 × 240 reflective LCD, 9-line true-color screen |
| Interface | High-speed USB 2.0, integrated Wi-Fi module |
| GPS | Built-in satellite positioning (NMEA 0183 compliant) |
| Power | Rechargeable 7.2 V Li-ion battery |
| Weight | 975 g (instrument only, with battery) |
| Dimensions | 355 × 45 × 50 mm |
| Optional Accessory | CI-203CA Conveyor Unit (2.95 kg, 320 × 180 × 130 mm, 6–12 V DC input) |
| 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 | EcoTech |
|---|---|
| Origin | United Kingdom |
| Model | AM400 |
| Measurement Parameters | Leaf area, maximum length, maximum width, perimeter, mean area, cumulative area, aspect ratio & shape factor |
| Units | mm or cm |
| Scanner | Integrated contact image sensor array with tunable RGB illumination (single or combined color modes) |
| Scan Speed | up to 20 mm/sec |
| Max Scan Width | 183 mm |
| Max Scan Length | 3 m |
| Accuracy/Repeatability | Linear ±1%, Area ±2%, Perimeter ±5% |
| Resolution | 0.016 mm² |
| Memory | 256 KB RAM (~2000 measurements) |
| Data Interface | USB-C |
| Battery Life | Up to 3,000 measurements per full charge |
| Dimensions | Scanner 216 × 115 × 70 mm |
| Compliance | CE, RoHS, ISO 9001-certified manufacturing |
| 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 | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-3000C |
| Resolution | 1 mm² |
| Accuracy | < ±2% for leaf area > 50 cm² |
| Display | 2-line × 16-character LCD |
| Memory | 2.1 MB flash storage (65,000–125,000 measurements) |
| Data Interface | RS-232 and USB 1.1 |
| Power | 6 V rechargeable lead-acid battery (12–15 h operation) or 115/230 V AC, 50/60 Hz, 20 W |
| Operating Environment | 0–55 °C, 0–95% RH (non-condensing) |
| Scan Head Dimensions | 30.5 cm length, 6.4 mm LED source width, 680 g |
| Controller Dimensions | 19.8 × 15.5 × 10.1 cm, 2.0 kg |
| Max Sample Width | 127 mm |
| Max Sample Thickness | 8 mm |
| Max Sample Length | 1 m |
| Max Scan Speed | 1 m/s |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-3100C |
| Power Supply | 108–126 / 216–252 V AC, 48–66 Hz, ≤100 W |
| Dimensions | 73.0 × 60.0 × 25.0 cm (L×W×H) |
| Weight | 43 kg |
| Operating Temperature | 15–55 °C |
| Storage Temperature | −20–65 °C |
| Light Source | 15 W fluorescent tube |
| Transport Belt Material | Reinforced transparent vinyl |
| Transport Speed | 8.0 cm/s @ 60 Hz, 6.7 cm/s @ 50 Hz |
| Maximum Sample Width | 25.4 cm |
| Minimum Sample Width | 1.5–3.0 mm |
| Maximum Thickness | 2.0 cm (extendable to 2.5 cm) |
| Length | Unlimited |
| Display | 8-digit LED |
| Area Range (1 mm² res.) | 0.01–999,999.99 cm² |
| Area Range (0.1 mm² res.) | 0.001–99,999.999 cm² |
| Accuracy (1 mm²) | ±2.0% (≥10 cm²), ±3.0% (≥3 cm²), ±6.0% (≥1 cm²), ±10.0% (≥0.3 cm²) |
| Accuracy (0.1 mm²) | ±1.0% (≥1 cm²), ±1.5% (≥0.3 cm²), ±3.0% (≥0.1 cm²), ±5.0% (≥0.01 cm²) |
| Interface | RS-232 and USB |
| Software | Windows-based LI-3100C Control & Analysis Software |
| Brand | METER |
|---|---|
| Origin | USA |
| Manufacturer | METER Group, Inc. (formerly Decagon Devices) |
| Model | LP-80 |
| Sensor Count | 80 PAR quantum sensors (1 cm spacing) |
| PAR Measurement Range (Probe) | 0–2500 µmol·m⁻²·s⁻¹ |
| Resolution | 1 µmol·m⁻²·s⁻¹ |
| Accuracy | ±5% |
| External PAR Sensor | Apogee SQ110, 0–4000 µmol·m⁻²·s⁻¹, Ø24 × 27 mm, 5-pin sealed circular connector, 5 m cable |
| Unattended Sampling Interval | 1–60 min |
| Data Storage | 1 MB RAM |
| Power | 4 × AAA alkaline batteries (typical 2-year field life) |
| Operating Environment | 0–50 °C, 0–100% RH |
| Compliance | ISO 9001:2015, ISO/IEC 17050:2010 (CE marked) |
| Dimensions (Probe) | 865 × 19.0 × 9.5 cm |
| Dimensions (Control Unit) | 15.8 × 9.5 × 3.3 cm |
| Weight (Control Unit, w/batteries) | 0.55 kg |
| Interface | 5-pin sealed circular to RS-232 cable included |
| Brand | METER |
|---|---|
| Origin | USA |
| Model | PHYTOS 31 |
| Dimensions | 12.0 × 5.8 × 0.8 cm |
| Operating Temperature | -40 to +60 °C |
| Cable Length | Standard 5 m (customizable up to 40 m) |
| Interface | 3.5 mm stereo jack or bare wire |
| Supply Voltage | 2.5–5.0 VDC |
| Measurement Time | 10 ms |
| Output Signal | 300–1250 mV (proportional to excitation voltage) |
| Sensor Type | Frequency-Domain Dielectric Sensor |
| Output Resolution Compatibility | ≥12-bit single-ended voltage input |
| Certified Standards | ISO 9001:2015, CE (EMC per ISO/IEC 17050:2010) |
| Brand | PSI |
|---|---|
| Origin | Czech Republic |
| Model | LaiPen LP100 |
| Measurement Parameters | Leaf Area Index (LAI), Photosynthetically Active Radiation (PAR) |
| Detector Wavelength Range | 400–700 nm (PAR), 400–500 nm (LAI) |
| Field of View | 112° horizontal, 16° vertical |
| Measurement Angles | 0°, 16°, 32°, 48°, 64° |
| Memory Capacity | 4 MB (>100,000 data points) |
| Display | 2×8 character LCD |
| Battery Life | 48 hours |
| Dimensions | 120 mm × 57 mm × 30 mm |
| Weight | 180 g |
| Operating Temperature | 0–55 °C |
| Relative Humidity | 0–95% RH (non-condensing) |
| Storage Conditions | −10–60 °C, 0–95% RH (non-condensing) |
| Brand | PSI |
|---|---|
| Origin | Czech Republic |
| Model | LaiPen LP110 |
| Measurement Parameters | Leaf Area Index (LAI), Photosynthetically Active Radiation (PAR) |
| Detector Wavelength Range | 400–700 nm (PAR), 400–500 nm (LAI) |
| Field of View | 112° horizontal, 16° vertical |
| Measurement Angles | 0°, 16°, 32°, 48°, 64° |
| Memory Capacity | 16 MB (>100,000 data points) |
| Display | 2×8 character LCD |
| Communication | Bluetooth + USB |
| Battery Life | 48 hours |
| Dimensions | 120 × 57 × 30 mm |
| Weight | 180 g |
| Operating Conditions | 0–55 °C, 0–95% RH (non-condensing) |
| Storage Conditions | −10–60 °C, 0–95% RH (non-condensing) |
| Brand | Regent |
|---|---|
| Country of Origin | Canada |
| Model | WinFOLIA |
| Configuration Options | WinFOLIA Basic / Reg / Pro |
| Imaging Input | Flatbed Scanner (Desktop or Portable) or Digital Camera |
| Software Compatibility | Windows OS |
| Data Export | CSV, Excel-compatible formats via XLFolia add-on |
| Compliance | Designed for GLP-aligned plant phenotyping workflows |
| Hardware Requirements | User-supplied PC |
| Documentation | Printed & PDF User Manual |
| Origin | Canada |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | WinSEEDLE Seed and Needle Morphometric Analysis System |
| Pricing | Upon Request |
| Brand | Tlyon |
|---|---|
| Origin | Sichuan, China |
| Model | LAM-C |
| Measurement Range | 1–600 cm² |
| Leaf Length | 0–297 mm |
| Max Leaf Width | 0–210 mm |
| Minimum Detectable Hole Area | ≥0.5 cm² |
| Accuracy | ±2% (for leaves >30 cm²), ±3% (for leaves ≤30 cm²) |
| Storage Capacity | >2,000 image-based measurement records |
| Operating Temperature | −30°C to +80°C |
| Relative Humidity | 0–100% RH |
| Response Time | 50 ms |
| Stability | <±2% drift over 12 months |
| Display | 7-inch IPS capacitive touchscreen (Android 4.2.2+) |
| Internal Storage | 32 GB |
| Connectivity | Wi-Fi (802.11 a/b/g/n), Bluetooth 4.0 |
| Interface | micro-USB |
| Power | DC 5 V / 1 A |
| Battery | 3000 mAh |
| Dimensions | 187 × 111 × 9.3 mm |
| Weight | 266 g |
| Brand | TOP Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TOP-1300 |
| Pricing | Available Upon Request |
| Lens Field of View | 150° (optional 180° fisheye) |
| Image Resolution | 768 × 494 pixels |
| Zenith Angle Range | 0°–75° (divisible into 10 sectors) |
| Azimuth Angle Range | 0°–360° (divisible into 10 sectors) |
| PAR Spectral Sensitivity | 400–700 nm |
| PAR Irradiance Measurement Range | 0–2000 µmol·m⁻²·s⁻¹ |
| Power Supply | 7.4 V rechargeable Li-ion battery pack |
| Interface | USB 2.0 |
| Operating Temperature | 0–55 °C |
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | TP-PAS-1 |
| Pricing | Upon Request |