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| 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 | 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 | 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 | 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 |
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