Empowering Scientific Discovery

Shanghai Zequan Science & Technology Co., Ltd.

Categories
  • All
  • Favorite
  • Popular
  • Most rated
Added to wishlistRemoved from wishlist 0
Add to compare
BrandWALZ
OriginGermany
ModelGFS-3000
CO₂ Analyzer Range0–5000 ppm (resolution: 0.01 ppm)
H₂O Analyzer Range0–75,000 ppm (resolution: 0.01 ppm)
CO₂ Noise (absolute mode)< 0.2 µmol mol⁻¹
H₂O Noise (absolute mode)< 30 µmol mol⁻¹
Pressure Range60–110 kPa (accuracy: ±0.1%)
Flow Rate0–1500 µmol s⁻¹ (accuracy: ±1%)
PAR Sensors3-channel (ambient, leaf adaxial, leaf abaxial)
range0–2500 µmol m⁻² s⁻¹
LED Light SourceRed (650 nm, 92%) + Blue (470 nm, 8%)
Leaf Area Options1–12.5 cm² (standard: 8 cm²)
Leaf Chamber Volume40 mL
Operating Temperature−5 °C to +45 °C
Leaf Temperature Measurement−10 °C to +50 °C (±0.2 °C)
Chamber Temperature Control3 modes (ambient-following, fixed chamber temp, fixed leaf temp)
range−10 °C to +50 °C
Power Supply14.4 V / 6.7 Ah rechargeable eSMART battery (96 Wh)
Max Power Consumption5 W
Added to wishlistRemoved from wishlist 0
Add to compare
BrandZealquest AI Netherlands
OriginNetherlands
Manufacturer TypeAuthorized Distributor
Product OriginImported
ModelPTM-NG26
PricingUpon Request
Added to wishlistRemoved from wishlist 0
Add to compare
BrandZealquest AI Netherlands
OriginNetherlands
ModelPLS-10R
Measurement ModeAutomated Continuous Monitoring
Leaf Chamber TypeMotorized Auto-Opening/Closing
Number of ChambersMulti-channel (Configurable)
Chamber Area10 cm² (Circular, Rectangular Optional)
Operating Temperature5–50 °C
IP RatingIP53
CommunicationWireless (IEEE 802.15.4 / LoRaWAN compatible)
Data Logging IntervalConfigurable from 1 s to 24 h
Supported External SensorsPAR (0–2000 µmol·m⁻²·s⁻¹), Air Temp/RH, Leaf Temp (±0.15 °C), Stem Diameter Change (0.002 mm resolution), Fruit Growth (0.019–0.065 mm resolution), Sap Flow, Soil Moisture/Temperature/EC, Total Solar Radiation
Added to wishlistRemoved from wishlist 0
Add to compare
BrandZealquest
OriginUK (ADC BioScientific)
ModelLCi T
CO₂ Range0–2000 ppm (1 ppm res.)
H₂O Range0–75 mbar (0.1 mbar res.)
PAR Range0–3000 µmol·m⁻²·s⁻¹
Leaf/Chamber Temp−5 to 50 °C (±0.2 °C)
Flow Control68–340 µmol·s⁻¹
DisplayWQVGA color touch LCD
Data StorageSD card (up to 32 GB)
Battery12 V / 2.8 Ah lead-acid (≈10 h operation)
Dimensions (main unit)240 × 125 × 140 mm
Weight (main unit)2.4 kg
GPSIntegrated
ComplianceASTM E2912, ISO 17025-aligned measurement architecture, GLP-compliant data logging with timestamped audit trail
Added to wishlistRemoved from wishlist 0
Add to compare
BrandWALZ
OriginGermany
ModelMINI-PAM-II
Measurement LightBlue LED (470 nm) or Red LED (655 nm), 0.05 µmol·m⁻²·s⁻¹
Actinic LightBlue or Red LED, up to 3000 µmol·m⁻²·s⁻¹ continuous
Saturation PulseBlue or Red LED, up to 6000 µmol·m⁻²·s⁻¹ flash
Far-Red LightPeak emission at 740 nm
DetectionPIN photodiode with long-pass/short-pass filters and lock-in amplifier
Data Storage8 MB SD card (≈27,000 datasets)
PAR Range0–7000 µmol·m⁻²·s⁻¹
Leaf Temperature Range−20 to +60 °C
Relative Humidity Range0–100 %RH
Power Supply6 × AA rechargeable batteries (1.2 V / 2 Ah), supports ≥1000 saturation pulses per charge
Measured ParametersFo, Fm, F, Fm′, Fo′, Fv/Fm, Y(II) [ΔF/Fm′], qP, qL, qN, NPQ, Y(NPQ), Y(NO), rETR, PAR, leaf temperature, relative humidity
Sample Interface2035-B leaf clip (1 cm² measurement area, 60° fiber angle, 8 mm working distance) with integrated temperature and humidity sensors
Added to wishlistRemoved from wishlist 0
Add to compare
BrandCID Inc. (USA)
OriginUSA
ModelCI-340
CO₂ Range0–2000 ppm (standard), 0–3000 ppm (optional)
PAR Range0–2500 µmol·m⁻²·s⁻¹
Flow Rate100–1000 mL/min
Operating Temp0–45 °C
Operating RH5–95% RH (non-condensing)
Battery Life4–6 h (standard operation), up to 10 h with low-power configuration
Weight1.5 kg (with leaf chamber & Li-ion battery)
Data Storage4 MB flash memory (~1.6 million data points)
Display40×6-character LCD (320×64 pixels)
InterfaceUSB
CO₂ SensorNDIR, 1 Hz chopper frequency, <2% accuracy, 0.1 ppm resolution
Humidity SensorCapacitive, 0–2100% RH, ±2% RH @10% RH, ±3.5% RH @90% RH
PAR SensorGaAsP photodiode with cosine correction, 400–700 nm, ±5 µmol·m⁻²·s⁻¹ accuracy
Air Temp SensorThermocouple, –15–50 °C, ±0.1 °C
Leaf Temp SensorNon-contact infrared, –10–50 °C, ±0.3 °C
Added to wishlistRemoved from wishlist 0
Add to compare
BrandZealquest
OriginIsrael (manufactured by OLAN Ltd.)
ModelPTM-50
CO₂ Measurement Range0–1000 ppm
CO₂ Exchange Range−70 to +70 µmol CO₂·m⁻²·s⁻¹
H₂O Exchange & TranspirationContinuous
Leaf Chamber TypeAutomated Opening/Closing
Number of ChambersConfigurable (2, 3, or 4)
Chamber Area10 cm²
Measurement Cycle Time20 s per chamber
Sampling Interval5–120 min (user-defined)
Airflow Control0.25–0.5 LPM (adaptive)
PAR Sensor Range (RTH-50)0–2000 µmol·m⁻²·s⁻¹
Operating Temperature10–40 °C
IP RatingIP55
CommunicationIntegrated 2.4 GHz RF + Optional 3G Module
Power Supply9–24 VDC
Added to wishlistRemoved from wishlist 0
Add to compare
OriginIsrael
Manufacturer TypeAuthorized Distributor
Product CategoryImported Instrument
ModelPTM-50
Price RangeUSD 68,000 – 136,000
CO₂ Measurement Range0–1000 ppm
CO₂ Exchange Range−70 to +70 µmol CO₂·m⁻²·s⁻¹
H₂O Exchange MeasurementIntegrated Air Temperature & Relative Humidity Sensor
Leaf Chamber Area10 cm²
Chamber Cycling Time20 s
Sampling Interval5–120 min (user-configurable)
Airflow Control0.25–0.5 LPM (adaptive)
Power Supply9–24 VDC
CommunicationBuilt-in 2.4 GHz RF Transmitter + USB RF Receiver
Operating Temperature10–40 °C
IP RatingIP55
Show next
InstrumentHive
Logo
Compare items
  • Total (0)
Compare
0