Photosynthesis Measurement Instrument
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| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Model | APS Multi-Channel |
| Configuration Options | 5-channel or 10-channel modular system |
| Gas Exchange Measurement Principle | Infrared Gas Analysis (IRGA) with integrated multi-port gas multiplexer |
| Leaf Chamber Interface | Detachable, independently controlled cuvettes connected via extended pneumatic tubing and signal cables |
| Compliance | Designed for GLP-compliant environmental physiology studies |
| Software Platform | APS Control Suite with audit trail, timestamped raw data export (CSV/NetCDF), and optional FDA 21 CFR Part 11–ready configuration |
| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | iFL Portable |
| Pricing | Available Upon Request |
| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Model | LCi T |
| CO₂ Range | 0–2000 ppm (0.1 ppm resolution, ±1% accuracy, 0.25 s response) |
| H₂O Range | 0–75 mbar (0.1 mbar resolution, 0.5% RH repeatability) |
| PAR Range | 0–3000 µmol·m⁻²·s⁻¹ (silicon photodiode, ±5 µmol·m⁻²·s⁻¹) |
| LED Light Sources | RGB (0–2400 µmol·m⁻²·s⁻¹) or White (0–2500 µmol·m⁻²·s⁻¹) |
| Leaf Chamber Temp | −5 to 50 °C (±0.2 °C) |
| Airflow | 100–500 mL/min (±2% FS) |
| Battery Life | ~10 h (12 V, 2.8 Ah sealed lead-acid) |
| Weight | 2.4 kg (main unit), 0.6 kg (standard chamber) |
| Dimensions | 240 × 125 × 140 mm (unit) |
| Data Storage | Removable SD card (up to 32 GB) |
| Compliance | ASTM E2912-13 (gas exchange instrumentation), ISO 17025 traceable calibration protocols, GLP-compliant data logging with timestamp, GPS geotagging (latitude/longitude/elevation) |
| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Model | LCi-T |
| CO₂ Measurement Range | 0–2000 ppm |
| CO₂ Resolution | 1 ppm |
| H₂O Measurement Range | 0–75 mbar |
| H₂O Resolution | 0.1 mbar |
| PAR Range | 0–3000 µmol·m⁻²·s⁻¹ |
| Leaf & Chamber Temperature Range | −5 to 50 °C |
| Accuracy | ±0.2 °C |
| Airflow Rate | 68–340 mL/min |
| Flow Accuracy | ±2% of full scale |
| Preheat Time | 5 min at 20 °C |
| Data Storage | SD card (up to 32 GB, 16 million data points) |
| Display | 480 × 272-pixel color WQVGA touchscreen (95 × 53.9 mm) |
| Weight | 2.4 kg |
| Dimensions | 240 × 125 × 140 mm |
| Battery Life | ~10 h (12 V / 2.8 Ah lead-acid) |
| Operating Environment | 5–45 °C |
| GPS | Integrated |
| IRGA Type | Differential open-path, auto-zeroing with pressure & temperature compensation |
| H₂O Sensor | Dual-laser tunable diode absorption spectroscopy (TDLAS) |
| Fluorescence Module (optional) | Supports F₀, Fₘ, Fₘ′, QY_Ln, NPQ, OJIP-test (26 parameters), 100 kHz sampling rate |
| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Model | LCpro T Intelligent Photosynthesis System |
| CO₂ Range | 0–2000 ppm |
| H₂O Control Range | 0–75 mbar |
| PAR Source | Adjustable RGB or White LED (0–2400 µmol·m⁻²·s⁻¹) |
| Temperature Control | Peltier-based (ΔT = +15 °C / −10 °C vs. ambient or ambient-follow mode) |
| GPS | Integrated with UTC time, latitude/longitude, and altitude logging |
| Humidity Sensors | Dual high-precision laser-trimmed capacitive sensors |
| IRGA Design | Gold-coated, miniaturized, time-domain differential dual-beam NDIR for drift-free CO₂ measurement |
| Leaf Chamber Climate Control | Simultaneous closed-loop regulation of CO₂, H₂O, PAR, and temperature |
| Battery Life | Up to 16 h (Li-ion) |
| Weight | Control Unit 4.1 kg, Measurement Unit 0.8 kg |
| Data Storage | SD card + USB interface |
| Fluorescence Integration | Direct hardware synchronization with FluorCam and portable chlorophyll fluorometers |
| Compliance | Designed for GLP-aligned field data acquisition |
| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Model | LCpro T Portable Photosynthesis System |
| CO₂ Measurement Range | 0–3000 ppm |
| CO₂ Resolution | 1 ppm |
| H₂O Measurement Range | 0–75 mbar |
| H₂O Resolution | 0.1 mbar |
| PAR Range | 0–3000 µmol·m⁻²·s⁻¹ (cosine-corrected) |
| Leaf/Chamber Temperature Range | −5 to 50 °C (±0.2 °C accuracy) |
| Airflow Rate | 100–500 mL·min⁻¹ |
| CO₂ Control | Up to 2000 ppm via internal supply |
| H₂O Control | Humidity adjustable above/below ambient |
| Temperature Control | Peltier-based, ±15 °C offset from ambient |
| PAR Control | White LED up to 2500 µmol·m⁻²·s⁻¹ |
| Weight | 4.1 kg (main unit), 0.8 kg (handheld sensor handle) |
| Battery Life | Up to 16 h (12 V, 7.5 Ah Li-ion) |
| Display | 95 × 53.9 mm WQVGA color touchscreen (80 × 272 px) |
| Data Storage | Removable SD card (up to 32 GB) |
| Communication | Mini-B USB + RS232 (max. 230,400 baud) |
| Operating Environment | 5–45 °C, high-humidity/dusty conditions supported |
| Brand | ADC Bio |
|---|---|
| Origin | United Kingdom |
| Model | LCpro T |
| CO₂ Measurement Range | 0–3000 ppm (±1% accuracy, 0.1 ppm resolution, dual-beam IRGA) |
| H₂O Measurement Range | 0–75 mbar (0.1 mbar resolution, dual-laser tunable hygrometer) |
| PAR Range | 0–3000 µmol·m⁻²·s⁻¹ (cosine-corrected Si photodiode, ±5 µmol·m⁻²·s⁻¹) |
| Leaf & Chamber Temperature | −5 to 50 °C (±0.2 °C) |
| Air Flow Rate | 100–500 mL·min⁻¹ (±2% FS) |
| Response Time (CO₂) | 0.25 s |
| Auto-Zero Cycle | 4 s |
| Battery Life | Up to 16 h (12 V, 7.5 Ah Li-ion) |
| Weight | 4.1 kg (main unit), 0.8 kg (handle) |
| Dimensions | 230 × 110 × 170 mm (unit), 300 × 80 × 75 mm (handle) |
| Data Storage | Removable SD card (up to 32 GB) |
| Environmental Operating Range | 5–45 °C |
| Optional Leaf Chambers | Broadleaf (6.25 cm²), Narrowleaf (5.2 cm²), Conifer (175 cm³), Arabidopsis/Small-Leaf (16 mm Ø), Mini-Canopy (≤55 mm height), Whole-Plant Arabidopsis, Fruit Chamber (1 L), Soil Respiration Chamber (1 L), Fluorescence Adapter (compatible with OS-5p) |
| Brand | CID Inc. (USA) |
|---|---|
| Origin | USA |
| Model | CI-340 |
| CO₂ Range | 0–2000 ppm (standard), 0–3000 ppm (optional) |
| PAR Range | 0–2500 µmol·m⁻²·s⁻¹ |
| Flow Rate | 100–1000 mL/min |
| Operating Temp | 0–45 °C |
| Operating RH | 5–95% RH (non-condensing) |
| Battery Life | 4–6 h (standard operation), up to 10 h with low-power configuration |
| Weight | 1.5 kg (with leaf chamber & Li-ion battery) |
| Data Storage | 4 MB flash memory (~1.6 million data points) |
| Display | 40×6-character LCD (320×64 pixels) |
| Interface | USB |
| CO₂ Sensor | NDIR, 1 Hz chopper frequency, <2% accuracy, 0.1 ppm resolution |
| Humidity Sensor | Capacitive, 0–2100% RH, ±2% RH @10% RH, ±3.5% RH @90% RH |
| PAR Sensor | GaAsP photodiode with cosine correction, 400–700 nm, ±5 µmol·m⁻²·s⁻¹ accuracy |
| Air Temp Sensor | Thermocouple, –15–50 °C, ±0.1 °C |
| Leaf Temp Sensor | Non-contact infrared, –10–50 °C, ±0.3 °C |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | CI-340 |
| Pricing | Available Upon Request |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | IN-GH1 |
| CO₂ Measurement Range | 0–3000 μmol/mol (ppm) |
| CO₂ Accuracy | ≤3% FS |
| Operating System | Android |
| Display | 7-inch capacitive touchscreen |
| Battery Life | 10–12 hours (8000 mAh Li-ion) |
| Weight | 4.0 kg (main unit) + 0.7 kg (handheld chamber handle) |
| Dimensions | 312.3 × 308.5 × 186 mm (main unit) |
| Data Export | USB flash drive (plug-and-play, no driver required) |
| Environmental Sensors | Air/leaf temperature (0–50 °C, ±0.2 °C), RH (0–100% RH, ±1% RH), atmospheric pressure (30–110 kPa, ±0.06 kPa), PAR (0–3000 μmol·m⁻²·s⁻¹, ±5 μmol·m⁻²·s⁻¹) |
| Leaf Chamber | Standard 3.3 × 3.3 cm |
| Core Analyzer | Dual-wavelength NDIR CO₂ sensor with integrated temperature compensation and barometric pressure correction |
| Calculated Parameters | Net photosynthetic rate (Pn), stomatal conductance (Gs), transpiration rate (Tr), intercellular CO₂ concentration (Ci), water use efficiency (WUE), dark respiration rate (Rd), transpiration ratio (TR) |
| Brand | COMECAUSE |
|---|---|
| Model | IN-GH2 |
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| CO₂ Measurement Range | 0–3000 µmol/mol (ppm) |
| CO₂ Accuracy | ≤3% FS |
| Operating System | Android-based Embedded UI |
| Display | 7-inch High-Sensitivity Touchscreen |
| Battery Life | 10–12 h (Field Use) |
| Data Connectivity | Wi-Fi, Bluetooth, USB, USB-C, U-disk Export |
| Cloud Platform Integration | Yes |
| Leaf Chamber Dimensions | 3.3 × 3.3 cm |
| Core Processor | ARM Cortex-A7 (RK3288, Quad-core, 1.88 GHz) |
| RAM/ROM | 1 GB / 16 GB |
| Weight | 4.0 kg (main unit), 0.7 kg (handheld handle) |
| Dimensions (H×W×D) | 325 × 160 × 230 mm |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | IN-GH3 |
| CO₂ Measurement Range | 0–3000 µmol/mol (ppm) |
| CO₂ Accuracy | ≤3% FS |
| Operating Temperature Range | 0–50 °C |
| PAR Range | 0–3000 µmol/(m²·s) |
| Battery Life | 10–12 h (field use) |
| Display | 10-inch capacitive touchscreen |
| Data Connectivity | Wi-Fi, Bluetooth, USB, cloud platform integration |
| Brand | COMECAUSE |
|---|---|
| Model | IN.GH2 |
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Measurement Range (CO₂) | 0–3000 µmol/mol (ppm) |
| CO₂ Sensor | Dual-wavelength NDIR |
| Temperature Control | Integrated Peltier-based thermal stabilization |
| Pressure Compensation | Built-in barometric sensor (30–110 kPa) |
| PAR Sensor | Calibrated silicon photodiode with cosine-corrected optical filter |
| Display | 7-inch capacitive touchscreen (Android OS) |
| Processor | ARM Cortex-A7 RK3288 (quad-core, 1.88 GHz) |
| Memory | 1 GB RAM / 16 GB ROM |
| Battery | 8000 mAh Li-ion (10–12 h field operation) |
| Connectivity | Wi-Fi 802.11 b/g/n, Bluetooth 4.2, USB 2.0, USB-C charging |
| Data Export | CSV via USB flash drive (plug-and-play), wireless upload to cloud platform |
| Compliance | Designed for GLP-aligned field and lab use |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | IN~GH3 |
| CO₂ Measurement Range | 0–3000 µmol/mol (ppm) |
| CO₂ Accuracy | ≤3% FS |
| Operating Temperature Range | 0–50 °C |
| Relative Humidity Range | 0–100% RH |
| PAR Range | 0–3000 µmol/(m²·s) |
| Battery Life | 10–12 h (fully charged) |
| Display | 10-inch capacitive touchscreen |
| Data Connectivity | Wi-Fi, Bluetooth, USB, Ethernet |
| Cloud Platform Integration | Yes |
| Weight | 4.5 kg (main unit), 0.7 kg (handheld chamber handle) |
| Dimensions (H×W×D) | 325 × 160 × 230 mm |
| Origin | Czech Republic |
|---|---|
| Type | Imported Instrument |
| Manufacturer Role | Authorized Distributor |
| Model | TL Series (TL200/PMT, TL300/HT, TL400/LT) |
| Temperature Range | –90 °C to +190 °C (model-dependent) |
| Light Source | 8× high-intensity LEDs (λₘₐₓ = 625–630 nm), flash intensity ≥150,000 μmol(photon)·m⁻²·s⁻¹, pulse width 5–10 μs |
| Detection Range | 300–900 nm (PMT-based) |
| Sampling Interval | 100 ms (minimum) |
| Control Precision | ±0.1 °C |
| Software | FluorWin 3.6 |
| Interface | USB |
| Brand | Dynamax |
|---|---|
| Origin | USA |
| Model | DEX |
| Measurement Principle | Resistive Strain-Bridge Displacement Sensing with Integrated Temperature Compensation |
| Operating Temperature Range | –10 to 50 °C |
| Accuracy | ±0.050 mm (for ΔT > 20 °C) |
| Temperature Stability | 0.0025 mm/°C |
| Output Signal | Analog ±5 mV or ±2.5 mV (model-dependent) |
| Sensitivity | 0.05–0.5 mV/mm |
| Linearity Error | ±0.004 to ±0.01 mV/mm |
| Electrical Noise | ±0.01 mV |
| Compatible Data Loggers | Supports up to 8 or 32 sensors per system |
| IP-Rated Enclosure | Sealed Electronics for Outdoor & Field Deployment |
| Brand | EcoTech |
|---|---|
| Origin | Beijing, China |
| Model | FluorTron High-End Edition |
| Imaging Area | ≥30 cm × 30 cm (optional 50 cm × 50 cm or larger) |
| Fluorescence Imaging Resolution | 2448 × 2048 pixels |
| Sensor | 5 MP, 2/3″ CMOS |
| Pixel Size | 3.45 µm × 3.45 µm |
| Max Frame Rate | ≥70 fps |
| Exposure Time | 15 µs – 10 s |
| Binning Modes | 1×1, 2×2 |
| Excitation Source | Blue LED (optional red-blue dual or RGB excitation) |
| Measured Fluorescence Parameters | Fo, Fm, Fp, Ft, Fs, Fm′, Fv/Fm (QYmax), ∆F/Fm′ (Y(II)), Fv/Fo, NPQ, Rfd, qP, Y(NPQ), Y(NO), EXC, 1−qP, ETR |
| Morphometric Parameters | Projected area (relative biomass), length, width, aspect ratio, convex hull area, ROI area, circularity |
| Optional Modules | Thermo-RGB imaging (fusion of thermal IR + RGB), side-view hyperspectral imaging (VIS–NIR, Red-Edge, pigment indices, physiological aging indices, N/water content indices), chlorophyll fluorescence hyperspectral imaging, UV-MCF imaging, 360° motorized rotation stage |
| Spectral Video Imaging Speed | Up to 120 data cubes per second |
| Software Protocols | Fluorescence quenching analysis, light response curves, Kautsky induction kinetics, rapid fluorescence transients |
| Brand | EcoTech |
|---|---|
| Origin | Beijing, China |
| Model | FluorTron Photosynthetic Phenotyping |
| Imaging Area | ≥20 cm × 20 cm (optional 50 cm × 50 cm) |
| Fluorescence Resolution | 2448 × 2048 pixels |
| Sensor | 5 MP, 2/3″ CMOS |
| Pixel Size | 3.45 µm × 3.45 µm |
| Max Frame Rate | ≥70 fps |
| Exposure Time | 15 µs – 10 s |
| Binning Modes | 1×1, 2×2 |
| Excitation Sources | Blue LED (standard) |
| Measured Fluorescence Parameters | Fo, Fm, Fp, Ft, Fs, Fm′, Fv/Fm (QYmax), ΔF/Fm′ (Y(II)), Fv/Fo, NPQ, Rfd, qP, Y(NPQ), Y(NO), EXC, 1−qP, rETR |
| Morphometric Outputs | Projected area (relative biomass), length, width, aspect ratio, convex hull area & perimeter, bounding rectangle dimensions |
| Optional Modules | Thermo-RGB fusion imaging (infrared + RGB), side-view hyperspectral imaging (VIS–NIR, Red-Edge, RGB), chlorophyll fluorescence hyperspectral imaging, UV-MCF imaging, 360° motorized rotation stage |
| Software Protocols | Fluorescence quenching analysis, light-response curve mapping, Kautsky induction kinetics, fast fluorescence transients, custom protocol scripting |
| Compliance | Designed for GLP-compliant phenotyping workflows |
| Brand | EcoTech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | FluorTron Standard Edition |
| Pricing | Available Upon Request |
| Chlorophyll Fluorescence Imaging Area | ≥20 cm × 20 cm |
| Imaging Resolution | 2448 × 2048 pixels |
| Sensor | 5 MP, 2/3″ CMOS |
| Pixel Size | 3.45 µm × 3.45 µm |
| Max Frame Rate | ≥70 fps |
| Exposure Time Range | 15 µs – 10 s |
| Binning Modes | 1×1, 2×2 |
| Excitation Source | Tunable Blue LED (Optional Multi-Wavelength Excitation) |
| Measured Parameters | Fo, Fm, Fp, Ft, Fs, Fm′, Fv/Fm (QYmax), ∆F/Fm′ (Y(II)), Fv/Fo, NPQ, Rfd, Y(NPQ), Y(NO) |
| Optional Morphometric Analysis | Projected Area (Relative Biomass), Length, Width, Aspect Ratio, Convex Hull Area, ROI Area, Roundness |
| Optional Video Spectral Imaging | Chlorophyll Fluorescence Spectral Imaging, Red-Edge Reflectance Imaging, Up to 120 Data Cubes per Second |
| Modularity | Fully Modular Architecture for Future Expansion |
| Brand | EcoTech |
|---|---|
| Origin | Europe |
| Model | PTM-NG26 |
| Sensor Type | Distributed PLS-10R Intelligent Leaf Sensors |
| Measurement Principle | Open-system gas exchange with integrated microclimate sensing |
| Deployment Range | Up to 30 m per sensor node |
| Data Output | Net CO₂ assimilation rate (A<sub>net</sub>, µmol CO₂·m⁻²·s⁻¹), Transpiration rate (E, mmol H₂O·m⁻²·s⁻¹), Stomatal conductance (g<sub>s</sub>, mol H₂O·m⁻²·s⁻¹), Intercellular CO₂ concentration (C<sub>i</sub>, µmol·mol⁻¹), Leaf temperature (T<sub>L</sub>, °C), Leaf–air temperature differential (ΔT, °C), Photosynthetically Active Radiation (PAR, µmol·m⁻²·s⁻¹), Ambient air temperature & relative humidity, Atmospheric CO₂ concentration (µmol·mol⁻¹), Barometric pressure (kPa), Vapor Pressure Deficit (VPD, kPa) |
| Data Storage | Local SD card + cloud synchronization via secure HTTPS API |
| Compliance | Designed for GLP-aligned experimental workflows |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | GXH-3051C |
| Pricing | Available Upon Request |
| CO₂ Resolution | 0.1 ppm |
| CO₂ Range | 0–1000 ppm |
| CO₂ Accuracy | ±1% F.S. |
| Relative Humidity Resolution | 0.1% RH |
| RH Range | 0–100% RH |
| RH Accuracy | ±2% F.S. |
| Temperature Resolution | 0.1 °C |
| Temp Range | 0–50 °C |
| Temp Accuracy | ±0.2 °C |
| Photosynthetic Photon Flux Density (PPFD) Resolution | 1 µmol·m⁻²·s⁻¹ |
| PPFD Range | 0–3000 µmol·m⁻²·s⁻¹ |
| PPFD Accuracy | ±10 µmol·m⁻²·s⁻¹ |
| Battery | 6 V, 4 Ah Ni-MH |
| Continuous Operation Time | ≥2 h (instrument), ≥3 h (laptop) |
| Charging | 220 V AC, 12 h full charge |
| Airline Length | 1.2 m |
| Net Weight | 2.5 kg |
| Brand | PSI (Czech Republic) |
|---|---|
| Origin | Czech Republic |
| Model Variants | Desktop, Floor-standing, Large Floor-standing |
| Excitation Light Sources | UV–NIR LED Array (365 nm, 450 nm, 470 nm, 490 nm, 520 nm, 590 nm, 630 nm, 735 nm, White Cold LED) |
| Fluorescence Detection Channels | Adjustable via Motorized Filter Wheel (FRET-compatible filters for GFP, RFP, YFP, BFP, CFP, SYBR Green, DAPI, etc.) |
| Imaging Area | Up to 35 × 35 cm |
| Sample Height Range | 20–100 cm (motorized adjustable stage) |
| Measurement Modes | PAM-modulated chlorophyll fluorescence imaging, OJIP transient kinetics imaging, multicolor steady-state fluorescence imaging, chlorophyll distribution mapping, fluorescent protein expression profiling, secondary metabolite fluorescence profiling |
| Software | FluorCam 7.0 with automated protocol scheduling, time-stamped data archiving, GLP-compliant audit trail, and FDA 21 CFR Part 11-ready user access control |
| Brand | PSI (Czech Republic) |
|---|---|
| Origin | Czech Republic |
| Model | FluorCam |
| Detector | High-sensitivity CCD (400–1000 nm, 512×512 px, 8.2×8.4 µm pixel size) |
| Frame Rate | Up to 50 fps |
| Fluorescence Parameters | F₀, Fₘ, Fᵥ, F₀′, Fₘ′, Fᵥ′, QY(II), NPQ, ΦPSII, Fᵥ/Fₘ, Fᵥ′/Fₘ′, Rfd, qN, qP, ETR, and >50 additional derived parameters |
| Actinic Light Sources | White, blue (450 nm), red (620 nm) |
| Measuring Light | 620 nm red LED, pulse width 10–100 µs adjustable |
| Far-Red Light | 735 nm IR LED |
| Uniform Illumination Area | 2.5 × 2.5 cm |
| Excitation Modes | Static or dynamic light regimes |
| Software-Controlled Protocols | Fᵥ/Fₘ, Kautsky induction kinetics, fluorescence quenching analysis, light-response curves, custom script-based experiments |
| Data Interface | USB 2.0 |
| Power Supply | AC adapter or rechargeable battery (field operation) |
| Weight | 1.8 kg |
| Optional Accessories | Handheld OJIP fluorometer module, rugged tablet-based industrial PC |
| Brand | Hengmei |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | HM-GH2 |
| Price | USD 6,950 (FOB Qingdao) |
| RH Range | 0–100% RH |
| CO₂ Range | 0–3000 µmol/mol |
| PAR Range | 0–3000 µmol/(m²·s) |
| Operating Temp | 0–50 °C |
| Battery Life | 10–12 h (fully charged) |
| Display | 7-inch capacitive touchscreen |
| Data Transfer | Wi-Fi, Bluetooth, USB, U-disk export |
| Cloud Platform Integration | Yes |
| Leaf Chamber Size | 3.3 × 3.3 cm |
| Weight | 4.0 kg (main unit), 0.7 kg (handle) |
| Brand | Junfang Physical & Chemical |
|---|---|
| Origin | Beijing, China |
| Model | JFQ-3150G |
| Price Range | USD 1,400 – 7,000 |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-600 |
| Weight | 0.73 kg (with fluorometer) |
| Dimensions | 32.4 × 16.9 × 6.2 cm (L × W × H) |
| Operating Temperature | 0–50 °C |
| Atmospheric Pressure Range | 50–110 kPa |
| Relative Humidity Range | 0–85 %RH (non-condensing) |
| GPS Accuracy | 2.5 m CEP |
| Display | 6.8 cm diagonal, 400 × 240 pixels, sunlight-readable monochrome LCD |
| Battery | Rechargeable Li-ion, 5200 mAh, 8 h typical operation |
| Charging | Micro-USB with Qualcomm® Quick Charge™ 2.0/3.0 (full charge in ~3.5 h, fast charge in ~2 h) |
| Data Storage | 128 MB internal |
| USB Interface | Micro-USB for data transfer and charging |
| Bar Code Scanner | 1D/2D (Code 39, Code 128, PDF417, UPC, Data Matrix, QR) |
| PAR Sensor | Quantum sensor calibrated to ±10 % of reading (NIST-traceable), cosine-corrected to 60° incidence |
| Leaf Temperature Sensor | IR-based, ±0.5 °C accuracy |
| RH Sensor | ±2 %RH accuracy, auto-matching capability |
| Gaseous Flow Rates | Low: 75 µmol/s, Medium: 115 µmol/s, High: 150 µmol/s |
| Stomatal Conductance Measurement Time | 5–15 s (species- and condition-dependent) |
| Chlorophyll Fluorescence Measurement Time | 1 s |
| Measured Parameters | g<sub>sw</sub>, g<sub>bw</sub>, g<sub>tw</sub>, E, VPD<sub>leaf</sub>, VP<sub>cham</sub>, VP<sub>ref</sub>, VP<sub>leaf</sub>, H<sub>2</sub>O<sub>ref</sub>, H<sub>2</sub>O<sub>samp</sub>, H<sub>2</sub>O<sub>leaf</sub>, F<sub>o</sub>, F<sub>m</sub>, F<sub>v</sub>/F<sub>m</sub>, F, F<sub>s</sub>, F<sub>o</sub>′, F<sub>m</sub>′, φPSII, ETR, F<sub>v</sub>′/F<sub>m</sub>′, qP (F<sub>q</sub>′/F<sub>v</sub>′), NPQ, qN, qE, qI, qL |
| Compliance | IEC 62471:2006 (Exempt Group LED safety) |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-6800 Advanced Photosynthesis & Fluorescence Measurement System with Multiple Leaf Chambers |
| CO₂ Analyzer Principle | Non-Dispersive Infrared (NDIR) |
| CO₂ Precision | ≤0.1 µmol/mol RMS @ 4 s average at 400 µmol/mol |
| CO₂ Range | 0–3100 µmol/mol |
| CO₂ Control Range | 0–2000 µmol/mol |
| Fluorescence Excitation | Pulsed-Amplitude Modulation (PAM) + Continuous Actinic Light |
| Saturating Pulse Intensity | 0–16,000 µmol m⁻² s⁻¹ |
| Actinic Light Range (Red/Blue) | 0–3000 µmol m⁻² s⁻¹ |
| Far-Red Light Range | 0–20 µmol m⁻² s⁻¹ |
| Red LED Peak | 625 nm |
| Blue LED Peak | 475 nm |
| Far-Red LED Peak | 735 nm |
| OJIP Kinetics Capability | Yes |
| ETR, ΦPSII, NPQ, Fᵥ/Fₘ, 1−qL Calculation | Integrated in Firmware |
| Leaf Chamber Options | 6800-01A (Fluorescence Chamber), 6800-02 (3×3 cm Red/Blue LED Source), 6800-03 (RGBW Large Area Source), 6800-09 (Soil CO₂/H₂O Flux Chamber), 6800-12A (3×3 cm Transparent Chamber), 6800-13 (36 cm² Large Leaf Chamber), 6800-17 (Whole-Plant Chamber for Arabidopsis & Turf), 6800-18 (Suspended Algal Culture Chamber), 6800-19 (Custom Chamber Adapter), 6800-24 (Bryophyte & Lichen Chamber), 6800-89 (Insect & Small Animal Respirometry Chamber) |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-6800 |
| CO₂ Range | 0–>2000 µmol/mol (control resolution ≤1 µmol/mol) |
| H₂O Control | 0–90% RH |
| Flow Rate | 0–2000 cm³/min |
| Fluorescence Acquisition Rate | 250 kHz |
| Saturation Flash Intensity | up to 16,000 µmol·m⁻²·s⁻¹ |
| Light Sources | 6800-01A (0–3000 µmol·m⁻²·s⁻¹), 6800-02 (0–>2000 µmol·m⁻²·s⁻¹), 6800-03 (0–3000 µmol·m⁻²·s⁻¹) |
| Chamber Pressurization | 0–200 Pa |
| Temperature Control Range | ±10°C around ambient, resolution <0.1°C |
| RACiR™ Protocol Duration | ~5 min for full A-Ci curve |
| OJIP Kinetics | Supported via Multiphase Flash™ technology |
| Simultaneous Gas Exchange & Fluorescence | Yes |
| Leaf Area Estimation | Automated in situ calculation |
| Compliance | Designed for GLP-compliant workflows |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | 6800-18 Aquatic Measurement Chamber |
| Chamber Working Volume | 0–20 mL (recommended 15 mL) |
| CO₂ Analyzer | NDIR, Range 0–3100 µmol/mol, Precision ≤0.1 µmol/mol RMS @ 4 s avg at 400 µmol/mol |
| CO₂ Control Range | 0–2000 µmol/mol |
| Actinic Light Sources | Red (625 nm), Blue (475 nm), Far-Red (735 nm) |
| Fluorescence Detection | PAM-modulated chlorophyll fluorescence |
| Chamber Wetted Materials | 316 stainless steel, float glass, Viton®, PTFE, silicone, acetal |
| Operating Temperature | 0–50 °C (non-condensing, no direct solar exposure) |
| Liquid Sample Temp Range | freezing point to 50 °C |
| Salinity Compatibility | 0–35 ppt |
| pH Interface | BNC-compatible passive glass electrode (12 mm OD, O-ring sealed), -59 mV/pH slope (user-calibrated) |
| Data Output | ASCII text & Excel (.xlsx) with embedded calculation formulas |
| Origin | Israel |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | PTM-50 |
| Price Range | USD 68,000 – 136,000 |
| CO₂ Measurement Range | 0–1000 ppm |
| CO₂ Exchange Range | −70 to +70 µmol CO₂·m⁻²·s⁻¹ |
| H₂O Exchange Measurement | Integrated Air Temperature & Relative Humidity Sensor |
| Leaf Chamber Area | 10 cm² |
| Chamber Cycling Time | 20 s |
| Sampling Interval | 5–120 min (user-configurable) |
| Airflow Control | 0.25–0.5 LPM (adaptive) |
| Power Supply | 9–24 VDC |
| Communication | Built-in 2.4 GHz RF Transmitter + USB RF Receiver |
| Operating Temperature | 10–40 °C |
| IP Rating | IP55 |