Empowering Scientific Discovery

Tianjin Chenhang Keyuan Technology Development Co., Ltd.

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BrandSofTA
OriginImported
Manufacturer TypeAuthorized Distributor
ModelModel 300S
Detection PrincipleEvaporative Light Scattering
Compatible SystemsHPLC (Analytical & Preparative)
Wavelength Range195–600 nm
Optical ConfigurationDual-Beam
Light SourceDeuterium Lamp
Nebulizer MaterialPTFE (Teflon®)
Drift Tube Temperature RangeAmbient to 120 °C
Nebulization Zone Temperature Range10–70 °C
Light Source for Detection650 nm Near-Infrared Laser (<5 mW, FCC Class I Eye-Safe)
Detector ElementSealed, Large-Area Silicon Photodiode with Integrated High-Gain Amplifier
Minimum Detectable Mass100 pg Glucopyranoside (Micro-HPLC, 2 µL direct injection, peak width at 10% height: 3 s)
Dynamic Range (Normal Gain)3 decades
Dynamic Range (Extended Mode)4–4.5 decades
Mobile Phase Flow Rate CompatibilityUp to 5 mL/min
Carrier GasNitrogen or other inert gas
Gas Pressure Requirement50 psi
Gas Consumption≤2.5 L/min
Integrated Gas Pressure RegulationYes (Built-in Regulator & Overpressure Protection)
Auto Shut-off ValveYes (Timed Delay Cutoff)
Fluidic Path MaterialsPTFE, Stainless Steel, Alumina, Borosilicate Glass (Optical Lens)
User InterfaceVacuum Fluorescent Display (VFD) + 4 Multifunction Keys
Onboard Method Storage10 Methods
Signal Output OptionsFixed 10 mV / 5 V
Communication InterfaceRS-232 (Rear Panel)
Power Supply120/240 V AC, 50/60 Hz, 600 W
Dimensions (W×D×H)25 × 45 × 29 cm
Weight15 kg
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BrandVICI
ModelPS-050025
Volume100 µL
NeedleRN (Removable Needle), Bevel Tip, 0.029" OD × 0.005" ID × 2" L
Maximum Pressure Rating250 psi
Seal MaterialPTFE Plunger Tip & Needle Seal
Barrel MaterialGlass
Valve TypeIntegrated Push-Button Actuated On/Off Valve
ComplianceDesigned for GLP/GMP-compliant chromatographic workflows requiring trace-level sample integrity
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BrandCoMetro
ModelCPT
Pump TypeBinary HPLC Pump
Max Pressure6000 psi (42 MPa)
Flow Rate Range0.001–5 mL/min
Temperature Control Range+10°C to 120°C above ambient
Temperature Accuracy±0.5°C
Flow Accuracy±2%
Flow Precision≤0.2% RSD
Wetted Materials316L Stainless Steel
InterfaceRS232, Analog Voltage/Frequency Input
Power Supply220 V, 50 Hz
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BrandCoMetro
OriginImported
Manufacturer TypeAuthorized Distributor
Model6000 PCR
Temperature RangeAmbient +10 °C to 150 °C
Derivatization Reagent Flow Rate0.001–10 mL/min
Reaction Coil MaterialPEEK
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BrandShodex
OriginImported
Manufacturer TypeAuthorized Distributor
ModelRI-201H
Instrument TypeRefractive Index Detector (RID)
Compatible SystemHigh-Performance Liquid Chromatography (HPLC)
Refractive Index Range1.00–1.75
Detection Range0.25–512 μRIU
Drift≤0.2 μRIU/h (deionized water, 1 mL/min, purge off)
Linearity≥600 μRIU
Noise≤2.5 nRIU (deionized water, 1.5 s response)
Response Time Settings0.1, 0.25, 0.5, 1, 1.5, 2, 3, 6 s
Auto-ZeroFull-range automatic zeroing
Offset Adjustment Range±10 μRIU
Offset Resolution50 nRIU
Cell Volume8 µL
Flow Rate Range0.2–3.0 mL/min (typical), up to 10 mL/min (water)
Max Backpressure50 kPa
Internal Dead VolumeIN→Cell ≈60 µL
Temperature ControlOFF, 30–55 °C (1 °C increments), 77 °C thermal cutoff
InterfaceUSB
Wetted MaterialsSS316, PTFE, fused silica
PowerAC 100–240 V ±10%, 50/60 Hz, 150 VA
Dimensions & Weight260 × 400 × 150 mm (W×D×H), ~12 kg
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BrandCoMetro
OriginImported
Manufacturer TypeAuthorized Distributor
Instrument TypeIsocratic (Single-Solvent) High-Pressure Liquid Chromatography Pump
Maximum Pressure6000 psi (standard), up to 10,000 psi (customizable)
Flow Rate Range0.1–100 mL/min
Flow Accuracy±1%
Flow Precision≤0.1% RSD
Pump Head ConfigurationDual parallel piston heads
Wetted MaterialsSS316L and PEEK options available
ComplianceDesigned for GLP/GMP-aligned workflows and compatible with USP <1058> analytical instrument qualification practices
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BrandCoMetro
ModelR1 / R2
TypeProgrammable Volume-Based Fraction Collector
Collection ModesTime-, Drop-, Volume-, and Peak-Triggered
Max Flow Rate100 mL/min
Dimensions (R1)31 × 33 × 35.5 cm
Dimensions (R2)31 × 53 × 38 cm
Weight (R1, excl. rack)7.7 kg
Weight (R2, excl. rack)10.6 kg
Power Supply115 VAC or 230 VAC, 50/60 Hz
Tube Capacity Options36–144 positions (1.5 mL to 50 mL tubes, vials, or custom vessels)
ComplianceCE-marked, designed for GLP-compliant laboratory environments
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BrandCoMetro
ModelCF-2
TypeMixed-Mode Fraction Collector
Collection ModesTime-based, Drop-count-based, Volume-derived (via drop calibration)
Max Capacity174 tubes (12/13 mm diameter)
Tube Switching Time0.35 s (for 12/13 mm tubes)
Operating Temperature0–40 °C
Power Input115 VAC or 230 VAC, 50/60 Hz
Dimensions28 × 12 × 38 cm
Weight5 kg
ConstructionAnodized aluminum frame and stainless steel components
ComplianceDesigned for GLP-compliant chromatographic workflows
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BrandCoMetro
OriginImported
Model6000PER Photochemical Derivatization Unit
Light SourceCold UV LED
Output Power8 mW
Wavelength254 nm
Maximum Flow Rate3 mL/min
Reaction ChamberKöhler Illumination Design
Temperature ControlForced-Air Cooling
Operating Temperature RangeUp to 100 °C
Derivatization TypePost-Column, Reagent-Free Photochemical Activation
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BrandCoMetro
OriginImported
Manufacturer TypeAuthorized Distributor
Instrument TypeIsocratic Pump
Max Pressure6000 psi
Flow Rate Range0.001–12 mL/min
Pump Head ConfigurationParallel Dual-Head
Flow Accuracy±1%
Flow Precision≤0.1% RSD
Pressure Unitspsi, MPa, bar
Control ModesFront-panel keypad, RS-232/USB PC interface, analog input (0–5 V / 4–20 mA)
Compressibility CompensationAdjustable
Auto-Purge & Solvent FlushSupported
Optional Multi-Pump Gradient ExpansionUp to 4 units
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BrandShodex
OriginImported
Manufacturer TypeAuthorized Distributor
ModelRI-201
Instrument TypeRefractive Index Detector (RID)
Compatible SystemHPLC
Refractive Index Range1.00–1.75
Detection Range0.125–256 µRIU
Drift≤0.1 µRIU/h
Noise≤1 nRIU
Linear Range≥300 µRIU
Flow Rate (Typical)0.2–3.0 mL/min
Max Flow Rate (Water)10 mL/min
Cell Volume8 µL
Dead Volume (IN→Cell)~80 µL
Dead Volume (Cell→OUT)~600 µL
Total Dead Volume~690 µL
Temperature Control Range30–55 °C (1 °C increments), with dual-stage thermal regulation
Response Time Settings0.1, 0.25, 0.5, 1, 1.5, 2, 3, 6 s
Auto-Zero FunctionFull-range, fully automatic
Offset Adjustment Range±5 µRIU
Offset Resolution25 nRIU
Analog OutputDC 0–1 V (4 mV/µRIU or 16 mV/µRIU selectable)
Recorder Output0–10 mV/FS
Communication InterfaceUSB
Wetted MaterialsSUS316 Stainless Steel, PTFE, Quartz Glass
Power SupplyAC 100–240 V ±10%, 50/60 Hz, 150 VA
Dimensions & Weight260 × 400 × 150 mm (W×D×H), ~12 kg
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BrandCoMetro
OriginImported
Manufacturer TypeAuthorized Distributor
Model6000 Series
Temperature RangeAmbient +10 °C to 150 °C
Derivatization Reagent Flow Rate0.001–10 mL/min
Reaction Coil MaterialFull PEEK
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BrandScienhome
ModelCO-IV
OriginTianjin, China
Power Supply220 V ±10%, 50 Hz
Temperature Control RangeAmbient +5 °C to 100 °C
Temperature Stability±0.1 °C at 50 °C
Repeatability±0.1 °C
Max. Power Consumption125 W
Dimensions (W×D×H)440 × 170 × 140 mm
Net Weight5 kg
Over-Temperature ProtectionYes
Sample CompatibilityStandard 1/8″ and 1/4″ HPLC columns, up to 30 cm length
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BrandCoMetro
ModelR1/R2
Instrument TypeLiquid Phase Fraction Collector
Collection ModesVolume-, Time-, Drop-, and Peak-Triggered
Max Flow Rate100 mL/min
Dimensions (R1)31 × 33 × 35.5 cm
Dimensions (R2)31 × 53 × 38 cm
Weight (R1, w/o rack)7.7 kg
Weight (R2, w/o rack)10.6 kg
Power Supply115 VAC or 230 VAC, 50/60 Hz
Tube Rack Options144-12, 144-13, 100-16, 72-18, 36-25, 60-1.5, 36-50, 96-well plate compatible
Standard Configuration (R1)Main unit, switching valve, one 13-mm tube rack
Standard Configuration (R2)Main unit, switching valve, two 13-mm tube racks
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BrandSofTA
OriginImported
Manufacturer TypeAuthorized Distributor
Model300s ELSD
Detection PrincipleEvaporative Light Scattering Detection (ELSD)
Wavelength Range200 nm (UV cutoff, not emission wavelength)
Optical ConfigurationDual-beam
Light SourceDeuterium Lamp (for baseline stability reference), NIR Laser (650 nm, <5 mW) as primary scattering source
Nebulizer MaterialPTFE (Teflon®)
Drift Tube Temperature RangeAmbient to 120 °C
Nebulization Zone Temperature Range10–70 °C
Sensitivity100 pg glucopyranoside (micro-HPLC, 2 µL direct injection, peak width at 10% height = 3 s)
Dynamic Range3 orders of magnitude (standard gain), extendable to 4–4.5 orders with gain optimization
Flow Rate CompatibilityUp to 5 mL/min (HPLC & preparative LC)
Gas RequirementN₂ or inert gas, 50 psi supply, ≤2.5 L/min consumption
Integrated Pressure RegulationYes, with automatic shutoff delay and overpressure protection
Signal OutputFixed 10 mV or 5 V
InterfaceRS-232 (rear panel), digital status I/O (zero control, valve control, error reporting)
Power120/240 V AC, 50/60 Hz, 600 W
Dimensions25 W × 45 D × 29 H cm
Weight15 kg
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BrandCoMetro
ModelR2
Instrument TypeLiquid Phase Fraction Collector
Collection ModeVolume-Based
Max Flow Rate100 mL/min
Dimensions (W×D×H)31 × 53 × 38 cm
Weight (excl. racks)10.6 kg
Power Supply115 VAC or 230 VAC, 50/60 Hz
Tube Rack CompatibilityUp to 144 × 13 mm tubes (standard), plus optional racks for 12 mm, 16 mm, 18 mm, 25 mm tubes, 1.5 mL & 50 mL centrifuge tubes, and 96-well microplates
Safety FeaturesLeak-proof design, electrical insulation protection
ComplianceDesigned for GLP/GMP-aligned chromatographic workflows
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BrandCoMetro
OriginImported
Model6000PER
Temperature ControlAmbient (Forced Air Cooling)
Derivatization Reagent Flow Rate0–3 mL/min
Reaction Coil MaterialStainless Steel
Light SourceCold UV Lamp
Wavelength254 nm
Output Power8 mW
Optical DesignKöhler Illumination
Max. Flow Rate3 mL/min
ComplianceDesigned for HPLC Post-Column Derivatization per ASTM D7891 & USP <1092>
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BrandCoMetro
ModelRI2000
Detection PrincipleDifferential Refractometry
Refractive Index Range1.00–1.75
Flow Rate Range0.2–3.0 mL/min
Linear Range0–1000 µRIU (80 × 10⁻⁵ RIU)
Noise Level5 × 10⁻¹⁰ RIU (typical)
Auto-Zero Range±40 × 10⁻⁵ RIU
Auto-Zero Resolution5 × 10⁻¹⁰ RIU
Cell Volume9 µL
Maximum Cell Pressure6 kg/cm² (≈0.6 MPa)
Temperature ControlAmbient, 35 °C or 55 °C (microprocessor-regulated)
Analog Outputs±1 V (integrator), ±10 V (recorder)
selectable gains10 mV, 100 mV, 1 V
Digital I/OTTL-compatible inputs/outputs (5 Vdc or 12 Vdc) for marker, polarity, wash, auto-zero, temperature, solvent recirculator
Power Supply220 V AC, 50/60 Hz, 80 VA
Dimensions58.4 cm (W) × ? cm (D) × ? cm (H)
Weight16 kg (35 lbs)
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BrandCoMetro
OriginImported
Model Series6000PER
Derivatization Flow Rate3 mL/min
Light SourceCold UV Lamp (254 nm, 8 mW output)
Reaction CoilStainless Steel
Temperature ControlForced-Air Cooling
ComplianceDesigned for HPLC-integrated post-column derivatization
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BrandCoMetro
ModelCP-M
TypeIsocratic High-Pressure Liquid Chromatography Pump
Max Pressure6000 psi
Flow Rate Range0.01–10 mL/min
Accuracy±2%
Precision≤0.2% RSD
Dimensions175(H) × 225(W) × 305(D) mm
Weight11 kg
Power Supply115/230 V, 50/60 Hz
Wetted MaterialsPEEK or 316 Stainless Steel
Control InterfaceKeypad & RS232 Digital Communication
Pressure MonitoringOptional (CP-M3xx models)
Flow StabilityPulse-free via Electronic Compensation and Low-Dead-Volume Accumulator
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BrandCoMetro
OriginImported
Model6000 Photochemical Derivatization System
Derivatization Flow Rate3 mL/min
Reaction Coil MaterialStainless Steel
Light SourceCold UV Lamp
Wavelength254 nm
Output Power8 mW
Illumination GeometryKöhler Illumination
Temperature ControlForced-Air Cooling
ApplicationPost-Column Derivatization for HPLC
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BrandCoMetro
OriginImported
Manufacturer TypeAuthorized Distributor
ModelCOM6000 for Free Formaldehyde Analysis
Temperature RangeUp to 150 °C
Derivatization Reagent Flow Rate0.001–10 mL/min (standard operating range: 10 mL/min)
Reaction CoilFull PEEK construction
Reaction Volume Options0.15 / 0.5 / 1.5 mL
Temperature Accuracy±1 °C
Temperature Reproducibility±0.4 °C
Pressure Range0–4000 psi
Flow Accuracy±1%
Flow Precision0.2% RSD
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BrandCoMetro
OriginImported
Manufacturer TypeAuthorized Distributor
Model6000PER
Light SourceCold UV LED
Output Power8 mW
Wavelength254 nm
Reactor DesignKöhler Illumination Optics
Max Flow Rate3 mL/min
Cooling MethodForced Air Convection
Derivatization PrincipleIn-line UV-mediated photochemical activation
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BrandCoMetro
OriginImported
Manufacturer TypeAuthorized Distributor
Model6000 Series
Derivatization Reagent Flow Rate0.001–5 mL/min or 0.01–10 mL/min
Reaction Coil MaterialPEEK
Temperature Control RangeAmbient +10 °C to 150 °C
Temperature Accuracy±1 °C
Temperature Reproducibility±0.4 °C
Reaction Volume Options0.15 / 0.5 / 1.5 mL
Flow Accuracy±1%
Flow Precision0.2% RSD
Maximum Pressure4000 PSI
System Fluidic PathFull PEEK
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