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Shanghai Yifeng Instrumentation & Equipment Co., Ltd.

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BrandWetlabs
OriginUSA
ModelECO-Fl
Measurement PrincipleIn-situ optical fluorescence detection at 470 nm excitation / 695 nm emission
Detection Range0–60, 0–125, or 0–250 µg/L (user-selectable)
Sensitivity0.02 µg/L
Housing MaterialAcetal polymer (seawater-corrosion resistant)
DimensionsØ63 × 127 mm
Depth Rating600 m standard, optional 6000 m
Weight0.4 kg in air / 0.02 kg in water
Digital OutputRS-232, 19200 baud, 12-bit resolution
Analog Output0–5 V
Internal Data LoggingOptional, up to 65,000 samples
Power Input7–15 VDC
Current Draw80 mA (active), 85 µA (sleep mode)
Sampling Rate8 Hz
Anti-foulingOptional copper-brush wiper with programmable cycle
ConnectorSUBCONN Micro 5-pin male
Optional AccessoriesHandheld terminal, biofouling barrier, integrated battery pack
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BrandChelsea
OriginUK
ModelLabSTAF
Excitation Wavelengths417, 452, 472, 505, 534, 594, 622 nm
Actinic Light Range10–2400 µmol photons·m⁻²·s⁻¹ (12-bit resolution)
Detection Limit0.001 mg/m³ Chl-a
Sample Chamber20 mL quartz vertical cylinder with BK7 base
Power Supply24 VDC, 140–400 mA (3.4–9.7 W)
Dimensions (H×D×W)235 × 320 × 420 mm
IP RatingIP65
Weight8.1 kg
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BrandWetlabs
OriginUSA
ModelECO-PC
Measurement PrincipleOptical Fluorescence (630 nm excitation / 680 nm emission)
Detection TargetPhycocyanin (PC) as proxy for cyanobacterial biomass
Measurement Range0–230 µg/L PC (optional calibration for Chl-a equivalent)
Sensitivity0.03 µg/L PC
Housing MaterialAcetal polymer (seawater-resistant)
DimensionsØ63 × 127 mm
Depth RatingStandard 600 m, optional 6000 m
Weight0.4 kg (air), 0.02 kg (water)
ConnectorSUBCONN Micro 5-pin male
Power Input7–15 VDC
Operating Current80 mA (active), 85 µA (sleep mode)
Sampling Rate8 Hz
Digital OutputRS-232 @ 19200 baud, 12-bit resolution
Analog Output0–5 V (user-configurable scaling)
Internal Data LoggingOptional, 65,000 samples
Internal BatteryOptional
Anti-foulingOptional copper-brush wiper (programmable cycle)
ComplianceIP68, RoHS, CE-marked for marine environmental use
Interface CompatibilityDirect integration with Sea-Bird CTDs, Nortek AD2CP, and other oceanographic platforms
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BrandChelsea
OriginUK
Manufacturer TypeAuthorized Distributor
Origin CategoryImported
ModelTriLux
PriceUpon Request
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BrandmicroLAN
OriginNetherlands
ModelALGcontrol
Measurement ParametersChlorophyll a (Chl-a), Dissolved Organic Matter (DOM), Turbidity
Wavelengths365, 450, 525, 570, 590, 615, 710 nm
Chl-a Range0–200 µg/L
Chl-a Resolution0.2 µg/L
Turbidity Range0–400 NTU
DetectorDTGS with 24-bit ADC sampling
InterfaceLAN, CAN-Bus, RS232, RS485, Modbus TCP/RTU
Analog Outputs2 × 4–20 mA
Power Supply24 VDC
Power Consumption45 W
Enclosure MaterialAluminum
IP RatingIP54 (optional IP65)
Dimensions (H×W×D)450 × 450 × 260 mm
Operating Sample Temp.10–35 °C
Ambient Temp.15–30 °C
Sample Flow Rate2–10 L/h
Cleaning SystemAutomated NaOCl-based (≤0.05% active chlorine)
OSEmbedded Linux
SoftwareSQL-based PC software with audit-ready data logging
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BrandChelsea
OriginUK
ModelFastBallast
Detection PrincipleSingle-Turnover Active Fluorescence (STAF)
Measurement Range10–50 µm
Sensitivity<1 cell/mL
Dynamic Range0–4000 cells/mL
Sample Volume20 mL
Analyzed Volume0.5 mL
Test Duration<2 min (Level 1), <10 min (Level 2)
Dimensions273 × 246 × 122 mm
Weight4.5 kg
IP Rating (lid closed)IP68
Battery Life8 h continuous operation
ConnectivityBluetooth / USB
Warranty1 year
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BrandChelsea
OriginUnited Kingdom
ManufacturerChelsea Technologies Group Ltd. (CTG)
ModelUniLux
Output OptionsRS232 + 0–5 V analog (RS422 or SDI-12 optional)
Excitation WavelengthUser-selectable per fluorophore
Detection LimitsChlorophyll a < 0.01 µg/L
Dynamic Range0–100 µg/L (fluorophores), 0–100 FTU (turbidity)
Sampling Frequency0.1–3 Hz (user-adjustable)
DimensionsØ26.5 mm × 105 mm (140 mm including connector)
Weight in Air100 g
Pressure Rating600 m
Housing MaterialAcetal
Operating Voltage11–25 V DC
Power Consumption1 W @ 12 V DC
InterfaceMCBH-6-MP-SS
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BrandTriOS
OriginGermany
ModeloFlu Miniature Fluorometer
Measurement PrincipleDual-wavelength fluorescence excitation & emission detection
Target AnalytesCDOM (colored dissolved organic matter), Chlorophyll a, Phycocyanin, Rhodamine WT, Tryptophan
Detection Range0–200 µg/L
Accuracy±3 % FS
Response Time<2 s
Sampling Interval<1 s
Housing MaterialStainless Steel 1.4571/1.4404 or Titanium Grade 2 (3.7035)
Dimensions186 mm × 36 mm (L × Ø)
Weight~0.6 kg (stainless steel), ~0.5 kg (titanium)
Pressure RatingSubConn connector: 30 bar
Fixed cable version3 bar
Flow cell version1 bar (2–4 LPM)
IP RatingIP68
Operating Temperature+2 °C to +40 °C
Storage Temperature−20 °C to +80 °C
Flow Velocity Range0.1–10 m/s
Power Supply12–24 VDC (±10 %)
Power Consumption≤1 W
Digital InterfacesEthernet (TCP/IP), RS-232 / RS-485 (Modbus RTU)
Analog Outputs4–20 mA or 0–5 V
Data Storage~10 MB internal flash memory
Calibration Interval24 months
Turbidity CompensationNot supported
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BrandChelsea
OriginUK
Manufacturer TypeAuthorized Distributor
Origin CategoryImported
ModelMicroSTAF
PricingUpon Request
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