Precision Chlorophyll Meters: Technical Specifications & Model Comparison
Optimizing Crop Management Through Advanced Leaf Chlorophyll Analysis
[MGT] exports industry-leading chlorophyll meters engineered for scientific accuracy and field reliability. Our instruments measure relative chlorophyll content (SPAD units) non-destructively, enabling data-driven decisions in precision agriculture, research, and crop breeding.
Core Technical Parameters Across All Models:
| Parameter |
Specification |
| Measurement Principle |
Dual-wavelength optical absorption (650nm & 940nm) |
| Measurement Area |
2mm<sup>2</sup> (standard) |
| Data Output |
SPAD Index (0.0–99.9) |
| Measurement Time |
< 1.5 seconds |
| Operating Temp. |
0°C to 50°C (32°F to 122°F) |
| Calibration |
Factory-calibrated with NIST-traceable reference |
Model Differentiation & Key Specifications:
1. CM-100 Field Pro (Entry-Level / High-Volume Farming)
SPAD Range: 0.0–49.9
Accuracy: ±1.5 SPAD units
Data Storage: 30 readings
Display: Monochrome LCD
Battery: AAA x 2 (40 hrs)
IP Rating: IP54 (Splash/dust resistant)
Key Feature: Rapid sampling mode (3 sec/measurement)
Best For: Large-scale field scouts, fertilizer optimization in cereals
2. CM-200 Research Elite (Lab-Grade Precision / Multi-Crop Use)
SPAD Range: 0.0–99.9
Accuracy: ±0.8 SPAD units
Data Storage: 1,000 readings + timestamps
Display: Color LCD with backlight
Battery: Rechargeable Li-ion (60 hrs)
IP Rating: IP67 (Waterproof to 1m)
Key Features: Bluetooth® data export to smartphones
Crop-specific calibration curves (corn, rice, soybean pre-loaded)
Best For: Research institutions, high-value crop monitoring
3. CM-300 AgriSync (IoT-Integrated / Precision Farming)
SPAD Range: -9.9 to 99.9 (incl. negative values for stress detection)
Accuracy: ±0.5 SPAD units
Data Storage: 5,000 geotagged readings
Connectivity: Bluetooth 5.0 + GPS
Display: Touchscreen OLED
Battery: Solar-assisted rechargeable (80 hrs)
IP Rating: IP68 (Submersible to 1.5m)
Key Features: Real-time sync with farm management software (API support)
NDVI correlation mode
Auto-diagnostic alerts
Best For: Digital farming systems, contract agronomists
Cross-Model Advantages:
- ✅ Non-destructive testing – Zero leaf damage
- ✅ Instant results – No lab delays
- ✅ ISO 9001-certified manufacturing
- ✅ 3-year limited warranty + calibration service
Technical Applications:
- • Nitrogen Management: Reduce fertilizer use by 15–30% via SPAD-guided application
- • Stress Diagnostics: Early detection of nutrient deficiencies (N, Mg, Fe) and water stress
- • Breeding Programs: Objective phenotyping for high-chlorophyll cultivars
- • Yield Prediction: SPAD-to-yield correlation models (R<sup>2</sup> = 0.85–0.92)
Request Model-Specific Datasheets
Contact our technical team for:
- • Spectral response curves
- • Validation study reports (vs. HPLC chlorophyll extraction)
- • API integration protocols (CM-300)
- • Custom calibration services
Export Compliance: CE, FCC, RoHS certified | Worldwide shipping
