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Shanghai Yifeng Instrumentation & Equipment Co., Ltd.

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BrandTriOS
OriginGermany
ModelLISA SAC 254
Measurement PrincipleUV absorbance at 254 nm (SAC₂₅₄) and visible reference at 530 nm
Light SourceDual LED (254 nm UV-C, 530 nm green)
DetectorFiltered photodiode
Path Length Options1, 2, 5, 10, or 50 mm
Output InterfacesEthernet (TCP/IP), RS-232/RS-485 (Modbus RTU, TriOS protocol), 4–20 mA analog
Turbidity CompensationInternal dual-wavelength correction (530 nm channel)
Accuracy±0.2% FS
Response Time4 s
Measurement Interval2 s
Data Logging Capacity2 MB (T100 format)
Operating Temperature2–40 °C (sample & ambient)
Storage Temperature−20–80 °C
Flow Velocity Range0.1–10 m/s
Max. Pressure (SubConn)30 bar
Max. Pressure (Fixed Cable)3 bar
Max. Pressure (Flow Cell)1 bar (2–4 L/min)
Enclosure MaterialStainless Steel 1.4571 / 1.4404 or Titanium Grade 3.7035
IP RatingIP68
Power Supply12–24 VDC (±10%)
Power Consumption≤1 W
Dimensions (10 mm path)300 mm × 48 mm
Weight (10 mm, stainless steel)1.6 kg
Compliant WithISO 7027 (turbidity correlation), ASTM D5540 (SAC-based organic carbon estimation), EN ISO 8466-1 (calibration linearity), FDA 21 CFR Part 11-ready data logging (via TriOS software)
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BrandEcoChem
OriginUSA
ModelPAS2000 STD
Instrument TypeAerosol Detector
Detection PrincipleUV Photoionization of Particle-Bound Polycyclic Aromatic Hydrocarbons (PAHs)
Measurement Range0–100 µg/m³ (PAH), 0–100 µg/m³ (Elemental Carbon), 0–100 pA (Ion Current)
Detection Limit3 ng total adsorbed PAH
Sensitivity0.3–1 µg/m³ PAH per pA
Response Time<10 s (adjustable)
Flow Rate2 LPM
Operating Temperature5–40 °C
Data Storage8,000 points (timestamped)
Display2×16-character LED
Output InterfacesRS-232, 0–10 V, 0–20 mA, or 4–20 mA
Dimensions68 × 175 × 124 mm
Weight9 kg
Power Supply220 V AC / 50 Hz
Optional Heated Sampling Probe5–300 °C
Dilution Ratios0.05, 0.1, 0.2 (with mass flow controller and critical orifice)
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BrandPro-Oceanus
OriginCanada
ModelCO2-Pro™
Measurement PrincipleMembrane Equilibration with NDIR Detection
Standard Range0–600 µatm (extendable to 0–2000 µatm)
Accuracy±0.5% of reading
Resolution0.01 ppm (equivalent to 0.01 µatm)
Response Time (t₆₃)2.5 min (with integrated pump)
Operating DepthUp to 50 m
Housing MaterialAcetal (POM)
Temperature Range0–30 °C (standard), –2–20 °C (polar), 15–40 °C (tropical)
Power Input10–18 VDC
Power Consumption4 W (10 W during warm-up, including SBE 3K pump)
Data OutputRS-232 (ASCII), optional 0–5 V analog or 4–20 mA
Sampling IntervalConfigurable down to 1 s
Internal Storage2 GB microSD card
Weight6.5 kg in air / 0.5 kg in water
Dimensions33 cm length × 19 cm diameter
Pressure/Temperature/Humidity CompensationAutomatic and embedded
Zero CalibrationAutomatic Zero Point Calibration (AZPC) with onboard CO₂ scrubber
Biofouling ResistanceFully membrane-isolated optical path
ComplianceDesigned for GLP-aligned long-term deployments
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BrandPlair
OriginSwitzerland
ModelRapid-E+
Instrument TypeBioaerosol Detector
Particle Size Range0.3–100 µm
UV Laser Wavelength337 nm
Scatter Laser Wavelength445 nm
Imaging Laser Wavelength635 nm
Scatter Pixel Configuration14+14 (non-polarized + parallel-polarized)
Fluorescence Spectral Range350–540 nm (12 nm/pixel)
Fluorescence Lifetime Channels373–387 nm, 412–438 nm, 459–481 nm
Fluorescence Decay Resolution1 ns
Imaging Pixel Configuration16 (5 parallel-polarized, 5 perpendicular-polarized, 6 non-polarized)
Sampling Flow Rate5 L/min
Max. Counting Rate1,000,000 particles/min (size & count)
Power Supply90–240 VAC
Power Consumption<200 W
Dimensions40 × 34 × 73 cm
Operating Temperature−10 to +45 °C
Relative Humidity0–95 % RH (non-condensing)
Weight25 kg
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BrandECI TECHNOLOGY
OriginUSA
ModelQL-10EZ
Sample Capacity15-position autosampler carousel
Automation LevelFully automated CVS analysis with integrated syringe dispensing, electrode head exchange, and multi-task sequencing
Software PlatformQualilab® v5.x with FDA 21 CFR Part 11–compliant audit trail, LIMS XML export (ASTM E1482), statistical process control (SPC) tools, and R&D mode
ComplianceDesigned for GLP/GMP environments
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BrandEcoChem
OriginUSA
Manufacturer TypeAuthorized Distributor
Origin CategoryImported
ModelDC-2200CE
Instrument TypeAerosol Detector
Power Supply15 V Rechargeable Li-ion Battery
Display2-line × 16-character LED
Weight1.5 kg
Dimensions68 mm × 175 mm × 124 mm
Operating Temperature5–40 °C
Storage Capacity8,000 data points (timestamp + surface area value)
Flow Rate1 LPM
Measurement Range0–1000 µm²/cm³
Detection Limit0–10 µm²/cm³
Sensitivity0–10 µm²/cm³
Response Time<10 s (adjustable)
Data OutputRS232
Software CompatibilityPC-based charting utility with Excel export
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BrandTisch
OriginUSA
ModelTE-6070
Flow Rate40 CFM (1.13 m³/min)
Cut-PointPM₁₀ (≤10 µm aerodynamic diameter)
Filter Format8" × 10" (203 mm × 254 mm)
Flow Control OptionsVFC (TE-10557) or MFC (TE-300-310)
Blower Motor1 HP, 2-pole vacuum motor
Timer7-day mechanical timer (TE-5007) or digital timer (TE-302)
Pressure Monitoring30-inch water manometer (TE-6001)
Data RecordingContinuous flow/pressure recorder (TE-5009)
ComplianceEPA Reference Method RFPS-0202-141, 40 CFR Part 50 Appendix L
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BrandCTG
OriginUnited Kingdom
Manufacturer TypeAuthorized Distributor
Origin CategoryImported
ModelERAS
PricingAvailable Upon Request
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BrandGRIMM
OriginGermany
ModelEDM365
Measurement PrincipleOptical (90° Laser Scattering)
Sampling Flow Rate1.2 L/min
Particle Size Range0.25–32 µm
Number Concentration Range1–3,000,000 particles/L
Size Channels31
Mass Concentration Range0.1–6,000 µg/m³
Operating Temperature−25 °C to +50 °C
Power Supply230 V–50 Hz / 110 V–60 Hz
Dimensions80 × 60 × 40 cm
Weight25 kg
Repeatability±3% of full scale
ComplianceEN 12341, EN 14907, US-EPA Reference/Equivalent Method Designation, GOST R
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BrandIn-situ Marine
OriginAustralia
ModelIMO-NTU
Product TypePortable Submersible Turbidimeter
Measurement Range0–400 NTU (factory-customizable)
Resolution0.05 NTU
Operating Temperature0–40 °C
Accuracy±0.05 NTU
Scattering Angle120°
DetectorSilicon Photodiode
Light Source890 nm LED
Calibration StandardFormazin (NTU)
ADC Resolution16-bit
Max Sampling Rate10 Hz
Ambient Light RejectionYes
Communication ProtocolRS-232 @ 19200 bps
NMEA-Style OutputYes
Supply Voltage7–24 VDC
Current Draw15 mA (sampling), 150 mA (cleaning)
Analog Output0–5 VDC
ConnectorMCBH6M
Length148 mm (plus 36 mm connector protrusion)
Diameter67 mm
Weight (air)650 g
Weight (water)150 g
Housing MaterialAcetal
Brush & Panel MaterialCopper
Maximum Depth Rating300 m
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BrandPro-Oceanus
OriginCanada
ModelMini CO2
Measurement PrincipleMembrane Equilibration with NDIR Detection
CO₂ Range0–2000 ppm (extendable to 0–100% vol)
TDGP Range0–2 bar
Accuracy±2% of full scale (pCO₂), ±1% FS (TDGP)
Response Time (t₆₃)3 min
Resolution0.1% of full scale
Operating Depth600 m (acetal housing), 6000 m (titanium housing)
Dimensions28 cm × 5.3 cm (L × Ø)
Weight in Air0.53 kg
Weight in Water0.06 kg
Temperature Range–2 °C to +35 °C
Power Input7–24 VDC (digital), 12–24 VDC (analog)
Power Consumption0.45 W (digital), 0.6–0.9 W (analog)
Data OutputRS-232 (ASCII CSV), 0–5 V or 4–20 mA
Sampling IntervalConfigurable down to 2 s
Internal Storage2 GB microSD
Pressure/Temperature/Humidity CompensationAutomatic
ComplianceDesigned for ASTM D5176, ISO 14687, and GLP-aligned long-term environmental monitoring deployments
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BrandCTG
OriginUnited Kingdom
Manufacturer TypeAuthorized Distributor
Origin CategoryImported
ModelUviLux FUEL-BTEX
Instrument TypeOnline
Measurement PrincipleFluorescence Spectrophotometry
Measurement Range3.0–50,000 ppb (as BTEX-equivalent)
Detection Limit20 ppb (LOD)
Accuracy±3% of reading
Resolution3 ppb
Measurement Frequency10 Hz
Sensitivity (QSU)0.06 QSU/ppb
Calibration Range0–600 QSU
Max Operating Depth1000 m
Operating Temperature−2 °C to 40 °C
Storage Temperature−40 °C to 70 °C
DimensionsØ70 mm × 149 mm
Weight800 g (air), 150 g (water)
Housing MaterialAcetal C
ConnectorMCBH6MP (wet-mateable)
Supply Voltage9–36 V DC
Power Consumption<1 W @ 12 V
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BrandGRIMM
OriginGermany
ModelDMA
Instrument TypeAerosol Detector
Particle Size Range (L-DMA)5–350 nm (3.0 L/min sheath flow) / 10–1100 nm (20 L/min sheath flow)
Sheath Gas Flow3.0 L/min (standard), up to 150 L/min (high-flow variant)
Sample Flow0.3 L/min
High-Voltage Output+5 to +10,000 V (positive inner electrode), negative polarity optional
ResolutionUp to 256 size channels
Operating Temperature10–35 °C
Relative Humidity0–95% RH (non-condensing)
Power Supply85–264 VAC
CommunicationRS-232 (9-pin D-sub), ASCII protocol, 4 MB PCMCIA SRAM
Working FluidReagent-grade 1-Butanol
SafetyAutomatic HV shutdown upon housing opening
ComplianceDesigned for ISO 27498, ASTM D6243, and EU PM2.5/PM10 monitoring frameworks
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BrandSEBA
OriginGermany
ModelKLL / KLL-T / KLL-Mini
Cable Options10–500 m
Depth Accuracy≤1 cm (up to 300 m)
Temperature Accuracy±0.10 °C (0–25 °C), ±0.15 °C (0–50 °C)
Conductivity Ranges4 selectable (20 μS/cm – 50 mS/cm)
Power6 V DC (KLL/KLL-T, 4 × 1.5 V AA) or 3 V DC (KLL-Mini, 2 × 1.5 V AA)
Operating Temp−15 °C to +50 °C
Storage Temp−40 °C to +80 °C
IP RatingIP68 (probe), IP52 (reel)
Probe Diameter10–16 mm
Display8-character LCD (KLL-T)
Language SupportEnglish, German, French, Spanish
Reel MaterialHeat-resistant polymer
Frame MaterialAnodized aluminum
CablePE-sheathed dual-steel-core corrosion-resistant cable
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BrandBurkard
OriginUnited Kingdom
ModelHIRST
Sampling PrincipleSingle-Stage Slit Impaction
Flow Rate10 L/min (0.35 CFM)
Sampling Area0.89 m² (radius 53 cm)
Sampling Duration7 days (or configurable for 24 h)
Cut-Off Diameter (D₅₀)5.2 µm
Drum Linear Speed2 mm/h
Drive MechanismPrecision 7-Jewel Clockwork Movement
Slit Aperture2 mm × 14 mm
TapeMelinex® Transparent Polyester Adhesive Tape (Grade 200)
Power Supply220–240 V, 50 Hz or 110 V, 60 Hz
Optional Battery Operation12 V DC
Net Weight16 kg
Gross Weight30 kg
Packaging Dimensions57 × 65 × 65 cm
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BrandIMR
OriginUSA
ModelIMR5000
Instrument TypeFlue Gas CEMS
Measurement Accuracy<2% FS
Repeatability<2% FS
Stability<2% FS
Response TimeReal-time
Measured ParametersO₂, NO, NO₂, CO, SO₂, HC, CH₄, H₂S, HCl, NH₃, N₂O, O₃, PM
Sensor TechnologiesElectrochemical (O₂, NO, NO₂, CO, SO₂, H₂S, NH₃, HCl, N₂O, O₃), NDIR (CH₄, CO₂*), Catalytic Bead (HC), Optional Paramagnetic (O₂), Thermal Conductivity (H₂), Optical Scattering (PM)
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BrandSequoia
OriginUSA
ModelHYPER-bb
Spectral Range430–700 nm
Spectral Bandwidth9–17 nm
Scattering Centroid Angle~135°
Measurement Volume~2 mL
Beam Diameter~12 mm
Scan Time6 s (5 nm interval, 50 channels) / 15 s (10 nm interval, 27 channels)
Depth Rating600 m
Operating Voltage8–26 VDC
Current Draw750 mA @ 12 VDC
CommunicationRS-232, 9600–115200 baud
Internal Storage1 GB
Temperature Range–5 to 45 °C
Temp Resolution0.001 °C
Temp Accuracy±1 °C
Depth Range (seawater)0–600 m
Depth Resolution1 cm
Depth Accuracy±1% FS
Dimensions (Φ × L)13.4 × 51.9 cm (incl. handle)
Weight (air/water)6.0 kg / 1.2 kg
Optional AccessoriesCalibration Tank with Stepper Motor, Profiling Frame, Lens Brush, Flow-Through Cell, Alkaline Battery Pack (12 h continuous operation)
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BrandTisch
OriginUSA
Manufacturer StatusAuthorized Distributor
Origin CategoryImported
ModelDS2.5
Typical ConfigurationPM2.5 Sampling System
Pump TypePulse-Driven Diaphragm Pump
Rated Lifespan10,000 hours continuous operation
Flow Rate Range0–6 L/min (adjustable)
Default Operating Flow5 L/min
Timer Function7-day programmable scheduler with 24-hour real-time clock
Power SupplyAC/DC input + sealed rechargeable battery (12 Ah)
Battery Runtime≥12 hours at 5 L/min
Low-Battery Protectionautomatic shutdown with visual alert
Low-Flow Alertautomatic shutdown with visual alert
Flow Controlprecision electronic mass flow regulation
Filter Holderstandard 47 mm membrane filter cassette
Inlet Cut-Point10 µm (PM₁₀) with optional PM₂.₅ cyclone or impactor
Enclosure RatingNEMA 4X (weatherproof, dust-tight, corrosion-resistant)
Weight6.8 kg (15 lbs) including battery
Dimensions24.1 × 20.3 × 27.9 cm (H×W×D)
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BrandSea-Bird Scientific
OriginUSA
ManufacturerWET Labs (designed and manufactured)
ModelECO Series
Instrument TypeSubmersible Optical Sensor Platform
Deployment ModesProfiling, Moored, Buoy-Mounted, Handheld (via optional interface)
ComplianceIP68 rated, ASTM D3921-22 (for turbidity), ISO 10264-2 (for chlorophyll-a fluorescence calibration traceability), GLP-compliant data logging
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BrandTriOS
OriginGermany
ModelLISA 254
Instrument TypeOnline Analyzer
Measurement PrincipleUV Absorption Spectrophotometry at 254 nm
Wavelength254 nm
Measurement Range10–5000 mg/L COD<sub>eq</sub>
Accuracy±5% of reading
Repeatability±5% RSD
LOD0.01 mg/L COD<sub>eq</sub>
Measurement Interval1 s
Batch Capacity15 samples
Optical Path Length Options1, 2, 5, 10, or 50 mm
Turbidity CompensationDual-channel (254 nm + 530 nm)
Output Interfaces4–20 mA analog, Ethernet (TCP/IP), RS-232/RS-485 (Modbus RTU, TriOS protocol)
Power Supply12–24 VDC (±10%), ≤1 W
Operating Temperature2–40 °C (sample & ambient)
Pressure RatingUp to 30 bar (SubConn), 3 bar (fixed cable), 1 bar (flow cell)
Enclosure MaterialStainless Steel (1.4571 / 1.4404) or Titanium (3.7035)
IP RatingIP68
Dimensions (10 mm path)300 mm × 48 mm
Weight (10 mm path, stainless steel)1.6 kg
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BrandEDC
OriginGermany
Manufacturer TypeAuthorized Distributor
Origin CategoryImported
ModelHIM-6000
PricingAvailable Upon Request
Measured ParametersTSP, PM-10, PM-2.5, PM-1.0, PM-4.0
Optional SensorsNO₂, SO₂, O₃, CO, CO₂, O₂, Hydrocarbons, UV/IR Radiation, Barometric Pressure (hPa), Noise (dB(A)), ELF Magnetic Field (µT), Rainfall (mm), Biochemical Agent Detectors
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BrandEDC
OriginUSA
ModelHD-1100
Measurement Range0.01–20 / 200 mg/m³
Resolution0.01 mg/m³
Accuracy±10%
Relative Error±10%
Display3.5" LCD
Unitsmg/m³
Calibration StandardNIOSH Method 0600
Particle Size Range0.01–50 µm
Power Supply6 VDC NiMH Rechargeable Battery
Operating Time>8 hours
Charging Time10–12 hours
Output Signal0–2 V analog
Max Operating Humidity95% non-condensing
Dimensions22.9 × 7.6 × 3.8 cm
Weight0.91 kg
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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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