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Dah Chong Hong Scientific Instruments Co., Ltd.

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BrandRudolph
OriginUSA
ModelJ-Series Refractometer Module
Product TypeBenchtop Refractometer
Temperature ControlYes (Dual-zone semiconductor Peltier)
Digital DisplayYes (10.4" color TFT touchscreen)
Measurement Range1.26–1.72 RI, 0–100 Brix
Measurement Resolution0.00001 RI
Accuracy±0.00002 RI, ±0.015 Brix
Temperature Control Range10–110 °C (120 °C optional)
Temperature Stability±0.01 °C
Prism MaterialSapphire
InterfaceRS-232, USB, Cat5 Ethernet
ComplianceNIST-traceable calibration standards available
DesignModular split architecture (separate measurement head and control unit)
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BrandTE / Trace Elemental Instruments
OriginNetherlands
ModelXPLORER-V with VECTRA Liquid Autosampler
Analytical MethodCombustion Microcoulometry
Measurement Range0–10,000 ppm
Accuracy≤2% CV
Detection Limit10 ppb
Resolution≤2% CV
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BrandFormulaction
OriginFrance
ModelTURBISCAN LAB
Measurement PrincipleStatic Multiple Light Scattering (MLS)
Wavelength880 nm (pulsed NIR source)
Scan Height55 mm
Spatial Resolution20 µm
Temp. Range+5 °C above ambient to 60 °C
Temp. Control Accuracy±0.5 °C
Particle Size Range0.01–1000 µm
Max. Concentration95% v/v
DetectorsDual photodiode (transmission + backscattering)
Sample CellCylindrical glass cell (Ø 27.5 mm × H 55 mm), threaded black cap with butyl/PTFE seal
Data Acquisition ModesFull-height scanning (1 scan/20 s) or fixed-position kinetics (1 measurement/s)
Max. Scan Programs250
Software OutputBS/T vs. time, layer thickness vs. time, particle migration velocity, hydrodynamic diameter (d), volume fraction (φ), mean free path, TSI Stability Index, dispersion index
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BrandBiolin Scientific
OriginFinland
ModelTheta Flow with 3D Topography Module
Instrument TypeBenchtop Video-Based Optical Contact Angle Analyzer
Contact Angle Range0–180°
Contact Angle Accuracy±0.01°
Contact Angle Resolution2592 × 2048 (5.3 MP)
Surface Tension Range0.01–2000 mN/m
Surface Tension Accuracy±0.01 mN/m
Sample Stage DimensionsUnlimited (L) × 100 mm (W) × 320 mm (D)
Max Sample SizeUnlimited (L) × 320 mm (W) × 22 mm (H)
Imaging Sensor5.3 MP CMOS, 2592 × 2048 pixels
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BrandBruker
OriginGermany
ConfigurationBenchtop/Polarized EDXRF
Element RangeNa (11) to Am (95), optional C (6) to Am (95)
Concentration Rangeppm to 100%
Energy Resolution<135 eV (Mn Kα)
Repeatability<0.1% RSD
DetectorHighSense™ Ultra-Low-Noise Silicon Drift Detector (SDD)
ComplianceASTM D6481, ASTM D7751, ASTM D7220, ISO 13032, ASTM D4294, ISO 20847, ISO 8754, IP 336/496/532, JIS K2541-4, GB/T 11140
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BrandNovasina
OriginSwitzerland
ModelLabTouch-aw
Measurement Range0.030–1.000 aw
Temperature Control Range15–30 °C
Accuracy±0.001 aw
Temperature Accuracy±0.1 °C
DisplayFull-color TFT touchscreen
Probe TypePatented Resistive Electrolyte Sensor (REMS)
Standard ReferenceLong-life saturated salt solution standards
Host Weight1 kg
ComplianceNIST-traceable calibration, FDA-recognized methodology, ISO 21807, AOAC 975.34, USP <1112>
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BrandFormulaction (Microtrac)
OriginFrance
ModelRheolaser Master
Instrument TypeOptical Microrheometer
Sample StateLiquid
Measurement PrincipleMulti-Speckle Diffusing Wave Spectroscopy (MS-DWS)
Temperature Range+5°C above ambient to 90°C (optional up to 150°C)
Frequency Range10⁻⁴ Hz to 10² Hz
RMS Particle Displacement Range0.1 nm – 100 nm
Minimum Detectable Particle Size50 nm
Maximum Solid Volume Concentration90% v/v
Torque SpecificationsNot applicable (non-mechanical, optical measurement)
Data AcquisitionHigh-resolution CMOS camera-based speckle image analysis
Sample Holder20 mL borosilicate glass cuvette with 6-position sample carousel
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BrandParticle Metrix
OriginGermany
Manufacturer TypeAuthorized Distributor
Origin CategoryImported
ModelZetaView® Evolution
Zeta Potential Range±500 mV
pH Range1–13
Operating Temperature Range5°C to 55°C
pH Resolution1–13
Temperature Resolution0.1°C
Size Accuracy±5 nm
Size Repeatability±2 nm
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BrandTE / Trace Elemental Instruments
OriginNetherlands
ModelXPLORER-V with XLS-26 Liquid Autosampler
Detection PrincipleUV Fluorescence (S) / Chemiluminescence (N)
PortabilityBenchtop (Non-portable)
Analyte TypesTotal Sulfur and Total Nitrogen
Measurement Range20 ppb – 10,000 ppm
Analysis Time2–6 minutes per sample
LOD10 ppb (S and N)
Accuracy±2% of reading
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BrandMicrotrac
OriginJapan
ModelBELSORP MINI X
Instrument TypeSpecific Surface Area and Pore Size Analyzer
PrincipleStatic Volumetric Gas Adsorption (Combined with Dynamic Pre-evacuation)
Analysis Stations4
Surface Area Range≥0.01 m²/g (no upper limit)
Pore Size Range0.35–500 nm
Pressure Range0–133.3 kPa
Measurement TheoryStatic Volumetric Method + Advanced Free Space Monitoring (AFSM™)
Compliance OptionsFDA 21 CFR Part 11, IQ/OQ Documentation Package Available
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BrandThermo Fisher
OriginItaly
ModelFlashSmart
Element RangeCHNSO, CHNS, CHN, NCS, NC, N, S, O (configurable modes)
Analysis Time5–10 min (sample-weight- and matrix-dependent)
Detection Limit<40 ppm (S: down to 4 ppm with FPD/IR
Measurement Precision≤0.05% RSD
Sample IntroductionUp to 500 µL liquid or 1 g solid
Detector OptionsThermal Conductivity Detector (TCD), Flame Photometric Detector / Infrared Detector (FPD/IR), Isotope Ratio Mass Spectrometer (IRMS) interface, Chlorine (Cl) measurement module
Combustion TemperatureUp to 1800 °C
ComplianceDesigned for GLP/GMP environments
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BrandLS Instruments
OriginSwitzerland
ModelLSI Correlator
Application ScopeDynamic Light Scattering (DLS), Fluorescence Correlation Spectroscopy (FCS), Diffusing Wave Spectroscopy (DWS), Diffuse Correlation Spectroscopy (DCS)
Correlation AlgorithmMulti-tau and Linear-tau Digital Correlation
Time Delay Range12.5 ns – 3436 s (13 decades)
Number of Channels322 total (296 detection + 26 auxiliary)
Fastest Configurable Initial Delay12.5 ns, 200 ns, 400 ns, 800 ns, or 3200 ns
Normalization ModesSymmetric and Compensation Normalization
Max. Count Rate20 Mcps (at 52 ms integration)
InterfaceUSB 2.0 and Gigabit Ethernet
OS SupportWindows & Linux
Firmware UpgradabilityField-upgradable via host software
Power SupplyExternal stabilized DC source
Dimensions120 × 120 × 53.6 mm (aluminum housing)
Detector ProtectionReal-time gated output with user-defined count-rate threshold
SynchronizationDedicated clock output for hardware timing alignment
Software IntegrationNative APIs for MATLAB, LabVIEW, Python
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BrandLS Instruments
OriginSwitzerland
ModelNanoLab 3D
Particle Size Range0.3 nm – 10 µm
Sample Volumeas low as 4 µL (optional)
Temperature Control Range4 °C – 85 °C
Viscosity Measurement Range0.01 cP – >1000 cP
ComplianceISO 22412 (at ≤23 °C ambient)
TechniqueModulated 3D Cross-Correlation DLS
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BrandTrace Elemental Instruments
OriginNetherlands
ModelXPLORER TX/TS
Detection PrincipleCombustion Microcoulometry
Sample TypesSolids, Liquids, Gases, LPG
Measurement Range (S)0.0020–500 mg
Measurement Range (Cl)0.0025–1000 mg
LOD (S)0.020 mg/L
LOD (Cl)0.025 mg
Combustion Furnace Temperature1050 °C
SoftwareTEIS 2 Professional
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BrandFormulaction
OriginFrance
ModelTURBISCAN TOWER
Detection PrincipleMultiple Light Scattering (MLS)
Wavelength880 nm (pulsed NIR source)
Sample Capacity6 positions
Temperature Range4–80 °C
Temp. Control Accuracy±0.1 °C
Scan Height55 mm
Spatial Resolution20 µm per data point
Scan Interval≥20 s (user-configurable)
Particle Size Range0.01–1000 µm
Max. Concentration95% v/v
Measurement ModesTransmission (T) and Backscattering (BS)
Software ComplianceFDA 21 CFR Part 11 ready, audit trail enabled, GLP/GMP-supportive workflows
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BrandBiolin Scientific
OriginFinland
ModelSigma 701
Measurement Range1–2000 mN/m
Resolution (Surface Tension)0.001 mN/m
Accuracy (Surface Tension)±0.01 mN/m
Temperature Control Range−20 to +200 °C
Temperature Resolution0.01 °C
Measurement MethodsDu Noüy Ring Method, Wilhelmy Plate Method
Density Range0–2.2 g/cm³
Density Resolution0.0001 g/cm³
Force Resolution0.05–0.1 µN
Contact Angle Range0–180°
Contact Angle Resolution0.01°
Motorized Stage Speed0.01–500 mm/min
Stage Positioning Accuracy0.016 µm
Dimensions (W×D×H)33.3 × 24.4 × 62 cm
Weight13–16 kg
Power Supply85–264 VAC, 47–440 Hz, 13 W
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BrandTE/Trace Elemental Instruments
OriginNetherlands
ModelXPLORER NS
Detection PrincipleUV Fluorescence for Sulfur / Chemiluminescence for Nitrogen
Sample TypesLiquids, Gases, LPG, Solids
Measurement RangeS and N from sub-ppb to percent level
Combustion Furnace Temperature1050 °C
SoftwareTEIS 2 Professional Control & Data Management Software
ComplianceASTM D5453, D7183, D7184
Optional Autosamplers105-position 2-mL vial XYZ autosampler (with auto-dilution & auto-calibration), Gas/LPG autosampler, 20-position solid autosampler
DetectorTemperature-controlled UVF and CLD detectors with active feedback loops
Automation LevelFully automated combustion, gas flow control, calibration, and data validation
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BrandPorometer
ModelPOROLUX™ Revo X
OriginGermany
Measurement PrincipleGas-Liquid Capillary Flow (Capillary Flow Porometry, CFP)
Pore Size Range80 nm – 500 µm
Bubble Point Pressure Range0–8 bar (0–116 psi)
Max. Gas Flow Rate200 L/min
Dual Auto-Switching Flow Sensors0–10 L/min & 0–200 L/min
Dual Auto-Switching Pressure Sensors0–1 bar & 0–10 bar
Sample Holder Diameter25 mm
Max. Sample Thickness3 mm
Measurement ModesBubble Point (BP x-mL, BP pCF), Mean Flow Pore Size, Minimum Pore Size, Pore Size Distribution, Cumulative Flow Distribution, Gas Permeability
Optional ModulesLiquid Permeability, Fluid Source Integration
SoftwarePoreSmart™ with Curve Fitting, Statistical Pore Quantification (Total Pore Count, Total Pore Area [% & µm²], Open Porosity, Calculated Permeability in Darcy)
Patented Measurement MethodMP² (Multi-Step Pressure Progression) Technology
Compliance ReadyASTM F316-22, ISO 15709:2022, USP <801>, GLP/GMP Data Integrity Support (Audit Trail, Electronic Signatures, 21 CFR Part 11 Ready)
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BrandFormulaction
OriginFrance
ModelTURBISCAN DNS
Measurement PrincipleStatic Multiple Light Scattering (SMLS)
Detection ModesTransmittance (T) and Backscattering (BS)
Sample Volume1.5–30 mL
Concentration Range0.0001–95% v/v
Particle Size Range10 nm–1 mm
Spatial ResolutionVertical scanning with high-frequency acquisition
In-situ OptionsT-MIX (stirred mode), T-LOOP (circulation mode)
Output MetricTurbiscan Stability Index (TSI)
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BrandOctopus
OriginGermany
ModelSAMILLA FIM
Detection PrincipleHigh-Resolution Flow Imaging Microscopy (HiRes-FIM)
Particle Size Range0.2 µm – 2 mm
Camera Options12 MP monochrome or color, high-frame-rate sensor
Auto-focusReal-time autofocus without focus beads
Magnification SwitchingTool-free, RFID-recognized modular objectives
ComplianceUSP <788>, USP <789>, Ph. Eur. 2.9.19, ISO 14644-1, FDA 21 CFR Part 11, GLP/GMP-ready
SoftwareSMILLA View v5.x with audit trail, electronic signatures, LIMS integration via ASTM E1384 / LADS framework
CleaningFully automated post-run rinse and backflush cycle
Pump ConfigurationsMACRO (peristaltic), MICRO1 (single syringe), MICRO2 (dual alternating syringe), HYBRID (peristaltic + syringe)
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BrandBiolin Scientific
OriginFinland
ModelTheta Lite
Instrument TypeBenchtop Video Optical Contact Angle Analyzer
Contact Angle Measurement Range0–180°
Contact Angle Resolution0.01°
Contact Angle Accuracy±0.1° (standard), ±0.01° (high-precision mode)
Surface & Interfacial Tension Range0.01–2000 mN/m
Surface & Interfacial Tension Accuracy±0.1 mN/m (standard), ±0.01 mN/m (high-precision mode)
Camera Resolution1936 × 1216 pixels
Sample Stage Dimensions (L×W×H)495 × 130 × 310 mm
Max. Sample Weight Capacity5 kg
Image MagnificationFixed optical path with high-magnification telecentric lens system
Measurement ModesStatic CA, Advancing/Receding CA, Roll-off Angle, Surface Free Energy (Owens-Wendt, Wu, van Oss), Interfacial Tension, Batch Analysis, Roughness-Corrected CA, Single-Fiber CA
SoftwareOneAttension v4.x (FDA 21 CFR Part 11 compliant audit trail option available)
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BrandMicrotrac
OriginJapan
Manufacturer TypeAuthorized Distributor
Origin CategoryImported Instrument
ModelBELMASS II
Instrument TypeChemisorption Analyzer with Integrated Online MS Detection
Gas Inlet PortsUp to 16
Temperature Stability±0.001 °C
Supported TechniquesTPD, TPR, TPS, Pulse Titration, BET Surface Area Analysis (via coupled gas dosing)
Mass Range1–200 amu
DetectorFaraday Cup / Continuous Dynode Electron Multiplier (C-SEM)
Minimum Detectable Concentration<1 ppm (gas-dependent)
Scan Speed OptionsAuto, 0.01–10 sec per amu (selectable)
Detection ChannelsUp to 16 simultaneous mass channels
Sample InterfaceHeated capillary transfer line (up to 300 °C), integrated dry scroll pump
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BrandBiolin Scientific
OriginFinland
ModelSigma 703D
Measurement Range1–1000 mN/m
Resolution0.01 mN/m
Accuracy±0.01 mN/m
Temperature Display Range−20 to +200 °C
Temperature Display Accuracy±0.01 °C
Measurement MethodsDu Noüy Ring Method, Wilhelmy Plate Method
Density Range0–2.2 g/cm³
Density Resolution0.0001 g/cm³
Force Resolution0.1 µN
Weight11 kg
Dimensions (W×D×H)33.3 × 24.4 × 62 cm
Power Supply85–264 VAC, 47–440 Hz, 13 W
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BrandThermo Fisher
OriginItaly
Instrument TypeDumas Combustion Method
Automation LevelFully Automated Nitrogen Determinator
Nitrogen Range0.001–500 mg N
Reproducibility<0.3% RSD
Sample Weight≥1 g
Recovery Rate99.5–100%
Digestion/Combustion Time3–4 min per sample
Power Consumption1400 W
Dimensions (L×W×H)620 × 580 × 500 mm
Linearity Range0.001–500 mg N
Sample CapacityUp to 125 positions (with optional multi-rack configuration)
Gas Flow ControlElectronic Flow Control (EFC)
Software PlatformEagerSmart™ Operating Software
ComplianceASTM D515, ISO 13878, AOAC 992.15, USP <467>, EN ISO 13878, and GLP/GMP-ready audit trail support
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