Chlorophyll Meter
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Showing 31–49 of 49 results
| Origin | Czech Republic |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | FS3400 |
| Price | Upon Request |
| External Dimensions (L×D×H) | 226 × 120 × 210 cm |
| Internal Height | 189 cm |
| Volume | 3400 L |
| Light Source | Cool White + Far-Red LEDs (independently controllable) |
| Maximum Photosynthetic Photon Flux Density (PPFD) | 1600 µmol·m⁻²·s⁻¹ at 125 cm distance |
| Uniform Illumination Area | 0.9 m² |
| Temperature Control Range | 0–45 °C (performance dependent on ambient conditions and lighting load) |
| Relative Humidity Range | 35–95 % RH |
| Programmable Parameters | Light intensity, spectral composition (via channel ratio), photoperiod, ramped dawn/dusk transitions, cloud-simulation cycles, temperature setpoints, humidity setpoints |
| Chlorophyll Fluorescence Monitoring | Automated Ft and Qy acquisition with integrated optical lens system |
| Optional Modules | High-precision multi-gas mixing system (up to 4 gases |
| Brand | Jingcheng Huatai |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (China) |
| Model | HT-YL4 |
| Price | USD 780 (FOB) |
| Measurement Principle | Dual-wavelength optical absorption (650 nm & 940 nm) for SPAD-based chlorophyll estimation |
| Display | Backlit Chinese LCD (2.8″, 320×240) |
| Dimensions | 165 × 78 × 42 mm |
| Weight | 200 g |
| Power | Rechargeable 4.2 V Li-ion battery (2000 mAh) |
| Operating Temp. | –10 °C to +50 °C |
| Storage Humidity | ≤85% RH |
| Data Storage | 32 KB internal memory |
| Interface | USB 2.0 for PC data export |
| Measurement Area | 2 mm × 2 mm |
| Response Time | <3 s per reading |
| Brand | Ju Chuang Environmental |
|---|---|
| Origin | Shandong, China |
| Model | JC-YLS3000 |
| Measurement Range | 0–500 µg/L |
| Accuracy | ±5% of Rhodamine WT equivalent signal at 1 ppb |
| Pressure Rating | ≤0.4 MPa |
| Calibration | Offset & Slope |
| Turbidity Limit | <50 NTU |
| Sensor Material | SUS316L + PVC (Standard) / Ti-coated SUS316L + PVC (Marine Grade) |
| O-ring | FKM (Fluoroelastomer) |
| Cable | PVC-insulated, standard 10 m (extendable to 100 m) |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Outputs | Three isolated 4–20 mA analog channels |
| Relay Outputs | Three programmable relays with user-defined setpoints and hysteresis |
| Communication | MODBUS RTU over RS-485 |
| Storage Temp. | –15 to +65 °C |
| Operating Temp. | 0 to +45 °C |
| Sensor Dimensions | Ø37 mm × 220 mm |
| Transmitter Dimensions | 145 × 125 × 162 mm (L×W×H) |
| Sensor Weight | 0.8 kg |
| Transmitter Weight | 1.35 kg |
| Enclosure Rating | Sensor IP68 / NEMA 6P |
| Origin | Czech Republic |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | N-Pen |
| Pricing | Upon Request |
| Origin | Czech Republic |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | PlantPen Portable NDVI Clip-on Sensor |
| Pricing | Available Upon Request |
| Measurement Principle | Dual-wavelength reflectance-based normalized difference vegetation index (NDVI) calculation using built-in 660 nm (red) and 740 nm (NIR) LEDs |
| Spectral Detection Range | 620–750 nm |
| Communication | Bluetooth 1.1, USB 2.0 |
| Onboard Memory | 4 MB flash storage (up to 100,000 measurements) |
| Display | 2×8-character monochrome LCD |
| Keypad | Sealed, waterproof two-button interface |
| Power Supply | 4 × AA rechargeable or alkaline batteries (70 h continuous operation) |
| Auto-power-off | After 5 min inactivity |
| Dimensions | 120 × 57 × 30 mm (4.7″ × 2.2″ × 1.2″) |
| Weight | 180 g |
| Operating Environment | 0–55 °C, 0–95% RH (non-condensing) |
| Storage Conditions | −10–60 °C, 0–95% RH (non-condensing) |
| Software Compatibility | Windows-based PC application with real-time control, GPS metadata tagging, Excel export, and remote acquisition support |
| Origin | Czech Republic |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | FluorPen FP 100 Fixed Transparent Leaf Clip |
| Price | Upon Request |
| Measurement Principle | Modulated Chlorophyll Fluorescence (PAM-based) |
| Time Resolution | 10 µs (100,000 measurements/sec) |
| Fluorescence Detection Range | 697–750 nm |
| Excitation Wavelength | 470 nm (blue LED), optional multi-wavelength LED modules available |
| PAR Sensor Range | 400–700 nm, resolution 1 µmol(photon)·m⁻²·s⁻¹ |
| Data Storage | 4 MB internal memory (≥100,000 data points) |
| Dimensions | 120 × 57 × 30 mm |
| Weight | 180 g |
| Power Supply | 4 × AAA batteries (70 h continuous operation) |
| Operating Temperature | 0–55 °C |
| Relative Humidity | 0–95% RH (non-condensing) |
| Communication | USB or Bluetooth (optional) |
| GPS Module | Optional, time-stamped and georeferenced output |
| Origin | Czech Republic |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | FluorPen FP 100 Fixed-Leaf-Clip |
| Price | Upon Request |
| Measurement Resolution | 10 µs (100,000 Hz) |
| Fluorescence Detection Range | 697–750 nm |
| Excitation Wavelength | 470 nm (blue LED), optional multi-wavelength modules available |
| PAR Sensor Range | 400–700 nm, resolution ±1 µmol(photon)·m⁻²·s⁻¹ |
| Data Storage Capacity | 4 MB (~100,000 data points) |
| Operating Temperature | 0–55 °C |
| Relative Humidity | 0–95% RH (non-condensing) |
| Power Supply | 4 × AAA batteries (70 h typical runtime) |
| Dimensions | 120 × 57 × 30 mm |
| Weight | 180 g |
| Communication Options | USB or Bluetooth 4.0 |
| GPS Module | Optional, time-stamped georeferenced output |
| Origin | Czech Republic |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | PlantPen PRI Meter |
| Price | Upon Request |
| Measurement Principle | Dual-wavelength reflectance ratio at 531 nm and 570 nm |
| PRI Formula | (R₅₃₁ − R₅₇₀) / (R₅₃₁ + R₅₇₀) |
| Spectral Detection Range | 500–600 nm |
| Operating Temperature | 0–55 °C |
| Relative Humidity | 0–95 % RH (non-condensing) |
| Storage Conditions | −10 to 60 °C, 0–95 % RH (non-condensing) |
| Communication | Bluetooth 1.1, USB 2.0 |
| Internal Memory | 4 MB (up to 100,000 measurements) |
| Display | 2×8-character monochrome LCD |
| Keypad | Sealed, waterproof two-button interface |
| Power Supply | 4 × AA rechargeable or alkaline batteries (70 h continuous operation) |
| Auto-power-off | After 5 min idle |
| Dimensions | 120 × 57 × 30 mm (4.7″ × 2.2″ × 1.2″) |
| Weight | 180 g |
| Origin | Czech Republic |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | RP-400 |
| Spectral Range (UVIS) | 380–780 nm |
| Spectral Range (NIR) | 640–1050 nm |
| Light Source | Pulsed Xenon Lamp (380–1050 nm) |
| Spectral Resolution (FWHM) | 8 nm |
| Stray Light Rejection | −30 dB |
| Display | 2.4″ Color TFT Touchscreen (240 × 320 px, 65,535 colors) |
| Memory | 32 MB Flash (≥8,000 measurements) |
| ADC | 16-bit |
| Dynamic Range | 1:4,300 (high gain), 1:13,000 (low gain) |
| Interface | USB 2.0 |
| Dimensions | 150 × 75 × 40 mm |
| Weight | 300 g |
| Enclosure | Splash-resistant IP54-rated housing |
| Power | Rechargeable Li-ion battery (USB charging) |
| Operating Time | Up to 48 h continuous measurement |
| Operating Temperature | 0–50 °C |
| Storage Temperature | −20–70 °C |
| Brand | Pri-eco |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | DMS-600 |
| Temperature Accuracy | ±0.3 °C |
| Relative Humidity Accuracy | ±3 % RH |
| Operating Temperature Range | −40 °C to +80 °C |
| Spectral Channels | 18 |
| Center Wavelengths (nm) | 410, 435, 460, 485, 510, 535, 560, 585, 610, 645, 680, 705, 730, 760, 810, 860, 900, 940 |
| Bandwidth | 20 nm per channel |
| Field of View | 41° |
| Optical Sensor Type | Diffuse irradiance (cosine-corrected) |
| Number of Spectral Sensor Units | 3 |
| Power Supply | Rechargeable Li-polymer battery (5000 mAh) |
| Operating Current | 80 mA |
| Sleep Current | 180 μA |
| Weight | 600 g |
| Data Transmission | NB-IoT |
| Remote Access | Web-based cloud platform and dedicated mobile application |
| Origin | Czech Republic |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SL3500 |
| Price | Upon Request |
| Light Output at 12.7 cm | Up to 3,000 µmol(photon)·m⁻²·s⁻¹ |
| Spectral Options | Cool White, Warm White, Deep Blue (447 nm), Red-Orange (617 nm), RGB (627/530/447 nm), Far-Red (optional) |
| Temporal Resolution | Down to 100 µs pulse width |
| Control Modes | Manual keypad, External controller, PC-based Light Studio software |
| LED Lifetime | ≥50,000 h (6–7 years typical operation) |
| Cooling | Integrated active thermal management |
| Origin | Czech Republic |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | LM500 |
| Pricing | Available Upon Request |
| Origin | Czech Republic |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SP-100 |
| Pricing | Upon Request |
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SPAD-502PLUS |
| Measurement Principle | Dual-wavelength optical absorbance differential method (650 nm & 940 nm) |
| Measurement Area | 2 mm × 3 mm |
| Sensor | Silicon photodiode |
| Display | LCD with 4-decimal resolution and real-time trend graph |
| Range | –9.9 to 199.9 SPAD units |
| Memory Capacity | 30 measurements with auto-calculated mean |
| Power | Two AA batteries (1.5 V) |
| Battery Life | >20,000 measurements |
| Measurement Interval | 2 seconds |
| Accuracy | ±1.0 SPAD units (at 0–50 SPAD, 25 °C) |
| Repeatability | ±0.3 SPAD units (0–50 SPAD) |
| Reproducibility | ±0.5 SPAD units (0–50 SPAD) |
| Dimensions | 164 × 78 × 49 mm (L × W × H) |
| Weight | 225 g |
| Operating Temperature | 0–50 °C |
| Additional Functions | Audible alert, on-device calibration, GLP-compliant data logging |
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | TYS-4N |
| Measurement Range | Chlorophyll (SPAD): 0.0–99.9 SPAD |
| Leaf Surface Temperature | 0–50 °C (customizable) |
| Leaf Relative Humidity | 0.0–99.9 %RH |
| Nitrogen Content | 0.0–99.9 mg/g |
| Measurement Interval | <2 s |
| Measurement Area | 2 mm × 2 mm |
| Accuracy | Chlorophyll: ±1.0 SPAD (at 25 °C, SPAD 0–50) |
| Leaf Temperature | ±0.5 °C |
| Leaf RH | ±5.0 %RH |
| Nitrogen | ±5% |
| Repeatability | Chlorophyll: ±0.3 SPAD |
| Leaf Temperature | ±0.2 °C |
| Leaf RH | ±0.5 %RH |
| Nitrogen | ±0.5 mg/g |
| Display | 1.3″ OLED |
| Data Transfer | Bluetooth 5.0 |
| Power | Two 1.5 V AA batteries (≥5,000 measurements per set) |
| Onboard Storage | 2,000 records |
| Battery Alert | Visual + audible alert at ≤20% charge |
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TYS-4N |
| Chlorophyll Range | 0.0–99.9 SPAD |
| Leaf Surface Temperature Range | −10–99.9 °C |
| Leaf Surface Humidity Range | 0.0–99.9 %RH |
| Nitrogen Content Range | 0.0–99.9 mg/g |
| Measurement Interval | <3 s |
| Measurement Area | 2 mm × 2 mm |
| Chlorophyll Accuracy | ±1 SPAD (at 25 °C, SPAD 0–50) |
| Leaf Temperature Accuracy | ±0.5 °C |
| Leaf Humidity Accuracy | ±5 %RH |
| Nitrogen Accuracy | ±5 % |
| Chlorophyll Repeatability | ±0.3 SPAD |
| Leaf Temperature Repeatability | ±0.2 °C |
| Leaf Humidity Repeatability | ±0.5 %RH |
| Nitrogen Repeatability | ±0.5 mg/g |
| Data Storage | 32 KB |
| Power Supply | 4.2 V rechargeable Li-ion battery (2000 mAh) |
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | TYS-B |
| Chlorophyll Range | 0.0–99.9 SPAD |
| Leaf Surface Temperature Range | 0–50 °C (customizable) |
| Measurement Interval | <2 s |
| Measurement Area | 2 mm × 2 mm |
| Chlorophyll Accuracy | ±1.0 SPAD (at room temperature, SPAD 0–50) |
| Temperature Accuracy | ±0.5 °C |
| Repeatability | ±0.3 SPAD / ±0.2 °C |
| Display | 1.3″ OLED |
| Data Transfer | Bluetooth 5.0 |
| Power | Two 1.5 V AA batteries (≈5,000 measurements per set) |
| Onboard Storage | 2,000 records |
| App & Cloud Integration | Yes |
| Brand | WALZ |
|---|---|
| Origin | Germany |
| Model | LSA-2050 |
| Measurement Principles | Dual-wavelength UV/Vis-induced fluorescence, pulse-amplitude modulated (PAM) chlorophyll fluorescence, epidermal transmittance-based pigment quantification |
| Key Parameters | Fv/Fm, Fo, Fm, Cchl (nmol/cm² & µg/cm²), Q310 (UV-B), Q365 (UV-A), Q450 (blue), Q530 (green), NBI, AFLAV, AANTH, GPS coordinates (lat/lon), altitude, solar azimuth & elevation angles, leaf azimuth & inclination, incident light angle (cosine-corrected) |
| Brand | Youyunpu |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | YP-YF |
| Price | USD 3,950 (FOB) |
| Chlorophyll a Range | 0.10–200.00 µg/cm² |
| Chlorophyll b Range | 0.10–200.00 µg/cm² |
| Total Chlorophyll Range | 0.10–200.00 µg/cm² |
| Nitrogen Content Range | 0.0–200.00 mg/g |
| Leaf Surface Humidity Range | 0.0–99.9 %RH |
| Leaf Surface Temperature Range | −10.0–99.9 °C |
| Measurement Area | 3 mm × 3 mm |
| Measurement Time | <1 s |
| Accuracy | Chlorophyll a: ±2.5 µg/cm² |
| Chlorophyll b | ±2.0 µg/cm² |
| Total Chlorophyll | ±2.0 µg/cm² |
| Nitrogen | ±5% |
| Humidity | ±5 %RH |
| Temperature | ±0.5 °C |
| Repeatability | Chlorophyll a/b: ±0.1 µg/cm² |
| Nitrogen | ±0.5 mg/g |
| Humidity | ±0.5 %RH |
| Temperature | ±0.2 °C |
| Data Storage | 16 GB internal flash memory with group-based logging |
| Power Supply | Rechargeable 4.2 V Li-ion battery (3000 mAh) |
| Weight | 230 g |
| Operating Environment | −10 °C to +50 °C, ≤85% RH (non-condensing) |