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Tianjin Chenhang Keyuan Technology Development Co., Ltd.

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BrandCoMetro
Model6000LDS
Flow Rate0.001–80 mL/min (selectable ranges)
Maximum Pressure6000 psi (stainless steel pump head), 5000 psi (PEEK pump head)
Pressure Accuracy±1%
Flow Precision≤0.2% RSD
DisplayReal-time flow rate, system pressure, upper/lower pressure limits
Control InterfaceFront-panel keypad + RS232 digital communication
Power Supply115/230 V, 50/60 Hz
Fluid Path MaterialsOptional PEEK or 316 stainless steel
Integrated FeaturesLow-dead-volume pulsation dampener, fast-fill priming mechanism, passive check valves, built-in bypass valve, self-cleaning module
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BrandSSI
Flow Rate0.001–5 mL/min / 0.01–10 mL/min / 0.1–40 mL/min
Maximum Pressure6000 psi (316 SS) / 5000 psi (PEEK)
Accuracy±2%
Flow Precision≤0.2% RSD
Pulse DampingIntegrated low-dead-volume pulsation damper
Auto-CleaningOn-column seal rinse with programmable solvent flush
Materials316 stainless steel or PEEK (biocompatible)
CommunicationRS232 digital interface
Power115/230 V, 50/60 Hz
Dimensions140 H × 254 W × 432 D mm
Weight11 kg
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BrandCoMetro
OriginImported
Manufacturer TypeAuthorized Distributor
ModelCP-LDI
Flow Rate Options0.001–12 mL/min, 0.01–24 mL/min, 0.1–100 mL/min, 0.1–200 mL/min
Max PressureUp to 6000 psi (414 bar) — model-dependent
Flow Accuracy±2%
Flow Precision≤0.2% RSD
Pump Head ConfigurationParallel dual-piston
ComplianceDesigned for GLP/GMP-aligned lab environments
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BrandSSI
OriginImported
ModelSFC-24
Max Flow Rate24 mL/min
Max Pressure10,000 psi
Pressure Accuracy±2% of full scale
Flow Accuracy±5% (gas-volume-based liquid flow calculation)
CoolingIntegrated Peltier thermoelectric module
ConstructionAluminum pump head, stainless steel fluid path
Control InterfaceFront-panel keypad with LED display, RS-232 remote control
Dimensions146 H × 283 W × 537 D mm
Weight16 kg
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BrandSSI
ModelSeries III
Flow Rate0.1–40 mL/min
Maximum Pressure1500 psi
Accuracy±2%
Flow Precision0.2% RSD
Pressure MonitoringIntegrated Sensor with LED Display
Pulse DampingMiniature Diaphragm-Type
Self-Cleaning Pump HeadOnboard Actuation
Control InterfaceDigital Logic Circuit + Stepper Motor
Remote InputsFrequency & Voltage Analog, RS232 Serial
Wetted MaterialsPEEK or 316L Stainless Steel
Dimensions140 H × 254 W × 432 D mm
Weight11 kg
Power115/230 V, 50/60 Hz
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BrandSSI
ModelSeries II
Flow Range0.001–5 mL/min, 0.01–10 mL/min, or 0.1–40 mL/min
Maximum Pressure6000 psi (316 stainless steel), 5000 psi (PEEK), 1500 psi (low-pressure configuration)
Accuracy±2%
Flow Precision≤0.2% RSD
Pulse DampingIntegrated low-dead-volume pulsation damper
Auto-Cleaning SystemOn-column solvent-driven self-cleaning module with weekly aqueous solution refresh
Seal ReplacementTool-free, <5-minute procedure
Flow Path MaterialsSelectable 316 stainless steel or PEEK (biocompatible)
Remote Control InterfaceAnalog voltage input, frequency input, RS232 serial communication
Dimensions140 H × 254 W × 432 D mm
Weight11 kg
Power Supply115 V / 230 V, 50 / 60 Hz
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BrandSSI
OriginImported
ModelBLS CLASS
Flow Rate0.000–10.00 mL/min (up to 6,000 psi)
Pressure Rating6,000 psi (stainless steel/PEEK fluid path), 5,000 psi (PEEK-only configuration)
Pulsation≤2% at 1 mL/min and 1,000 psi (with pulse dampener)
Flow Accuracy<±2% of full scale (≥0.20 mL/min, 20% IPA/water, 1,000 psi)
Flow Precision≤0.2% RSD
Fluid Path MaterialsStainless steel, PEEK, optional titanium
Dimensions22.9 cm H × 25.4 cm W × 43.2 cm D
Weight13.6 kg
Power Input100–240 VAC ±10%, 50–60 Hz
Control InterfacesRS-232, Micro-USB, analog (0–10 V / 4–20 mA), discrete Run/Stop
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BrandCoMetro
ModelCP-M
Flow Rate10 mL/min
Maximum Pressure6000 psi
Accuracy±2%
Precision (RSD)0.2%
Dimensions175(H) × 225(W) × 305(D) mm
Weight11 kg
Power Supply230 V / 115 V, 50 / 60 Hz
Fluid Path MaterialsPEEK or 316 Stainless Steel
Control InterfaceKeypad and RS232 digital communication
Pressure SensingNon-contact electronic transducer
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BrandSSI
ModelSeries II
TypeSingle-Piston High-Performance Solvent Delivery Pump
Flow Range0.001–5 mL/min, 0.01–10 mL/min, or 0.1–40 mL/min
Maximum Pressure6000 psi (316 SS), 5000 psi (PEEK), 1500 psi (low-pressure configuration)
Flow Accuracy±2%
Flow Precision≤0.2% RSD
Pulsation DampingIntegrated low-dead-volume pulsation damper
Auto-Cleaning SystemOn-column solvent-driven self-cleaning mechanism with weekly aqueous solution refresh
Seal ReplacementTool-free, <5-minute procedure
Prime/Flush FunctionOne-touch automated priming, flushing, and degassing
Fluidic Path MaterialsSelectable 316 stainless steel or biocompatible PEEK
Communication InterfaceRS232 digital output, analog voltage/frequency input
Power Supply115 V / 230 V, 50 / 60 Hz
Dimensions (H×W×D)140 × 254 × 432 mm
Weight11 kg
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BrandEldex
Model1LM
Flow Rate0.002–2.5 mL/min (1LM), 0.02–40 mL/min (2HM)
Maximum Pressure414 bar (1LM), 103 bar (2HM)
Viscosity RangeUp to 500 cP
Temperature RangeUp to 120 °C
Repeatability±0.3%
Inlet/Outlet1/8" Swagelok (1HM, 2HM, 3HM)
Power Supply100–230 VAC, 50/60 Hz, 80 W
Dimensions (W×H×D)10 × 23 × 24 cm
Weight5.3 kg (standard), 6.4 kg (pulse-damped version)
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BrandSSI
ModelSeries III
Flow Rate0.001–40 mL/min (selectable ranges)
Maximum Pressure6000 psi (stainless steel), 5000 psi (PEEK), 1500 psi (low-pressure configuration)
Accuracy±2%
Flow Precision≤0.2% RSD
DisplayLED showing real-time flow rate and pressure
Pressure SensorIntegrated
Pulse DampingLow-volume diaphragm-type damper
PrimingInternal fast-fill cam mechanism
Self-CleaningOn-line pump head flush function
Control InterfaceFront-panel membrane keys (flow setpoint, pressure limits, start/stop, quick rinse, mode selection)
Remote ControlRS232 digital interface, analog voltage input (0–5 V or 0–10 V), frequency input
Wetted MaterialsPEEK or 316L stainless steel
Dimensions140 H × 254 W × 432 D mm
Weight11 kg
Power Supply115 V / 230 V AC, 50 / 60 Hz
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KeyBrand: Eldex
Construction316 Stainless Steel Housing, PEEK or Polyethylene Pistons, Sapphire Plunger Tip
Flow Range0.002–40 mL/min (model-dependent)
Max Pressure6000 psi (414 bar)
Viscosity Handlingup to 500 cP
Temp. Limit120 °C
Repeatability±0.3%
Inlet/Outlet1/8" Swagelok (1HM/2HM), or 1/4"-28 × 1/16" ID (for 1/8" OD tubing)
Power100–230 VAC, 50/60 Hz, 80 W
Dimensions (W×H×D)10 × 23 × 24 cm
Weight5.3 kg (standard), 6.4 kg (pulse-damped models)
ControlFront-panel keypad + analog (0–5 V / 4–20 mA) + RS232 digital interface
Integrated Piston Flush SystemMethanol/20% DI water solution
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BrandCoMetro
OriginImported
ModelCP-LDI
Flow Rate0.001–200 mL/min (selectable ranges)
Maximum Pressure6000 psi
Pump Head ConfigurationParallel Dual Piston Heads
Flow Accuracy±1%
Flow Precision≤0.1% RSD
Compression CompensationAdjustable
Pressure UnitsPSI, MPa, or bar
Control OptionsFront-panel keypad, RS-232/USB PC interface, analog input (0–5 V / 4–20 mA)
LED DisplayHigh-brightness, remote-readable
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BrandCoMetro
ModelCP-M350
Flow Rate0.1–50 mL/min
Maximum Pressure1500 psi
Accuracy±2%
Precision (RSD)≤0.2%
Dimensions175(H) × 225(W) × 305(D) mm
Weight11 kg
Power Supply115/230 V, 50/60 Hz
Fluid Path Materials316 Stainless Steel (standard) or PEEK (optional)
Control InterfaceKeypad + RS232 digital communication
Pressure MonitoringReal-time display with high/low limit setting and alarm
ComplianceDesigned for GLP/GMP-aligned lab environments
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BrandCoMetro
ModelCP005T
Flow Range0.001–5 mL/min
Max Pressure6000 psi
Temperature Control Range+10 °C to 120 °C above ambient
Flow Accuracy±2%
Flow Precision0.2% RSD
DisplayDigital front-panel (flow rate & temperature)
Temperature Stability±0.5 °C
Wetted Materials316L stainless steel
Input OptionsAnalog (0–5 V / 4–20 mA), Frequency, RS232 serial
Power Supply220 V, 50 Hz
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BrandCoMetro
ModelCP-M Series
Flow Rate10 mL/min
Maximum Pressure6000 psi
Accuracy±2%
Precision (RSD)0.2%
Dimensions175(H) × 225(W) × 305(D) mm
Weight11 kg
Power Supply230 V / 115 V, 50 / 60 Hz
Fluid Path MaterialsPEEK or 316 Stainless Steel
Control InterfaceKeypad and RS232 Digital Communication
Pressure SensingNon-contact electronic transducer
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BrandSSI
ModelSeries III
OriginImported
Flow Rate0.01–10 mL/min
Maximum Pressure6000 psi (stainless steel pump head)
Accuracy±2%
Flow Precision0.2% RSD
DisplayLED showing real-time flow rate and pressure
Pressure MonitoringBuilt-in pressure sensor with high/low limit setting
Pulse DampingIntegrated low-volume diaphragm pulse damper
PrimingInternal fast-fill cam mechanism
Self-CleaningOn-line pump head auto-flush function
Control InterfaceFive dedicated front-panel keys for flow/pressure limit setup, start/stop, rapid flush, and mode selection
ConnectivityRS232 digital interface, analog voltage/frequency input
Wetted MaterialsPEEK or 316L stainless steel
Dimensions140 H × 254 W × 432 D mm
Weight11 kg
Power Supply115 V / 230 V, 50 / 60 Hz
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KeyBrand: SSI
ModelSeries III
Flow Rate0.1–40 mL/min
Maximum Pressure1500 psi
Accuracy±2%
Flow Precision0.2% RSD
DisplayLED (flow rate & pressure)
Pressure SensorBuilt-in
Pulse DampingDiaphragm-type low-volume damper
Self-CleaningOn-line pump head flush
Control InterfaceKeypad + RS232
Remote InputFrequency & voltage analog signals
Wetted MaterialsPEEK or 316L stainless steel
Dimensions140 H × 254 W × 432 D mm
Weight11 kg
Power115/230 V, 50/60 Hz
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BrandCoMetro
OriginImported
ModelCP-M High-Pressure Pump
Flow Rate10 mL/min
Maximum Pressure6000 psi
Accuracy±2%
Precision (RSD)0.2%
Dimensions175(H) × 225(W) × 305(D) mm
Weight11 kg
Power Supply230 V / 115 V, 50 / 60 Hz
Fluid Path MaterialsPEEK or 316 Stainless Steel
Control InterfaceKeypad and RS232 Digital Communication
Pressure SensingNon-contact electronic transducer
Flow Stability ArchitectureLow-inner-volume pulsation-dampening accumulator with rapid-fill electronic compensation drive
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BrandCoMetro
OriginImported
Manufacturer TypeAuthorized Distributor
ModelCP-LDI
Flow Rate10 mL/min (standard configuration)
Maximum Pressure6000 psi
Flow Accuracy±1%
Flow Precision≤0.1% RSD
Pump Head ConfigurationParallel Dual-Piston Heads
Pressure UnitsPSI, MPa, or bar (user-selectable)
Control ModesFront-panel keypad, RS-232/USB PC interface, analog input (0–5 V / 4–20 mA)
Compressibility CompensationAdjustable
Auto-Purge & Solvent FlushSupported
Self-Cleaning Mode for Salt-Containing BuffersEnabled
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BrandCoMetro
ModelCP-LDI
Flow Rate10 mL/min (standard configuration)
Maximum Pressure600 psi
Pump Head ConfigurationParallel Dual Plunger Heads
Flow Accuracy±1%
Flow Precision≤0.1% RSD
Pressure UnitsPSI, MPa, bar (user-selectable)
Control ModesFront-panel keypad, RS-232/USB PC interface, analog input (0–5 V / 4–20 mA)
Compressibility CompensationAdjustable
Auto-purge & Solvent Flush FunctionSupported
Self-cleaning Mode for Salt-Containing BuffersAvailable
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BrandSSI
ModelSeries II
Flow Rate0.001–5 mL/min, 0.01–10 mL/min, or 0.1–40 mL/min (selectable ranges)
Maximum Pressure6000 psi (316 stainless steel), 5000 psi (PEEK), 1500 psi (low-pressure configuration)
Accuracy±2%
Flow Precision≤0.2% RSD
Pulse DampingIntegrated low-dead-volume pulsation damper
Auto-Cleaning SystemOn-column solvent-assisted seal flush with weekly aqueous solution replenishment
Seal ReplacementTool-free, completed in <5 minutes
Flow Path MaterialsOptional 316 stainless steel or PEEK (biocompatible)
Remote Control InterfaceAnalog voltage input, frequency input, RS232 digital communication
Dimensions140 H × 254 W × 432 D mm
Weight11 kg
Power Supply115 V / 230 V, 50 / 60 Hz
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BrandSSI
ModelSeries II
Flow Range0.001–5 mL/min, 0.01–10 mL/min, or 0.1–40 mL/min
Maximum Pressure6000 psi (316 SS), 5000 psi (PEEK), 1500 psi (low-pressure configuration)
Flow Accuracy±2%
Flow Precision≤0.2% RSD
Pulse DampingIntegrated low-dead-volume pulsation damper
Auto-Cleaning SystemOn-line solvent-driven seal flush with weekly reservoir refill
Seal ReplacementTool-free, completed in <5 minutes
Fluidic Path MaterialsSelectable 316 stainless steel or PEEK (biocompatible)
Remote InterfaceRS232 serial communication, analog voltage/frequency input
Dimensions140 H × 254 W × 432 D mm
Weight11 kg
Power115/230 V, 50/60 Hz
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BrandSSI
OriginImported
Manufacturer TypeAuthorized Distributor
ModelSeries II
Flow Range0.001–5 mL/min, 0.01–10 mL/min, or 0.1–40 mL/min
Maximum Pressure6000 psi (316 SS), 5000 psi (PEEK), 1500 psi (low-pressure configuration)
Accuracy±2%
Flow Precision≤0.2% RSD
Pulsation DampingIntegrated low-dead-volume pulsation damper
Auto-Cleaning SystemOn-column solvent-driven self-cleaning mechanism with weekly aqueous solution refresh
Seal ReplacementTool-free, <5-minute procedure
Flow Path MaterialsSelectable 316 stainless steel or PEEK (biocompatible, metal-free)
Communication InterfaceRS232 digital output, analog voltage/frequency input
Dimensions140 H × 254 W × 432 D mm
Weight11 kg
Power Supply115 V / 230 V, 50 / 60 Hz
Built-in FeaturesInternal bypass valve, integrated pulse damper, automatic priming/deaeration function
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