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Zhengzhou Annuo Scientific Instrument Co., Ltd.

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BrandAnnuo
OriginHenan, China
Manufacturer TypeAuthorized Distributor
Product CategoryDomestic
ModelGAS-3539
Instrument TypeMultifunctional Gas Autosampler
Max Sample Positions88
Min Sample Positions16
Quantitative Loop Volumes1 mL, 2 mL, 3 mL (selectable)
Positioning AccuracyRSD <0.5% for total hydrocarbon and methane peak areas across 10 consecutive injections
Control InterfacePC-based upper-computer software
Needle & Loop CleaningAutomated in-line cleaning of sampling lines, quantitative loops, gas bags, and sample pathways during GC coupling
Repeat Injection CapabilityUnlimited cycles per sample
Operating Temperature Range−20 °C to 50 °C
Storage Temperature Range−40 °C to 70 °C
Humidity Range (Operating)10–90% RH
Humidity Range (Storage)5–90% RH
Syringe Capacity100 mL
Gas Bag Capacity500 mL or 1 L
Minimum Injection Volume50 µL (loop-dependent)
Maximum Injection Volume5 mL (loop-dependent)
Max Purge Time600 s
Max Draw Time99 s
Max Equilibration Time99 s
Max Interval Between Injections999 min
Quantitative Loop Heating RangeAmbient to 150 °C
Sample Pathway Heating RangeAmbient to 150 °C
Calibration Standard PointsUp to 8 programmable concentration levels
Cleaning Cycles per Step1–15
Sampling Pump Flow RateUp to 6 L/min
Ultimate Vacuum−55 kPa
Data InterfacesUSB, Ethernet (RJ45), RS-232
Dimensions (L×W×H)900 × 600 × 900 mm
Tubing MaterialSilanized stainless steel
Valve BodyPEEK
Valve CorePI (Polyimide)
Sample Port FlexibilityDual-mode — gas bag or syringe injection per port
High-Concentration Detection LogicAuto-halt + GC oven ramp initiation upon detection of saturation-level analyte signals
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BrandAnnuo
OriginHenan, China
Manufacturer TypeAuthorized Distributor
Product CategoryDomestic
ModelAS-3117B
Instrument TypeGC Autosampler
Max Sample Capacity20 positions (expandable to 156)
Minimum Injection Volume0.1 µL
Positioning Accuracy< 0.1 mm
Motion MechanismTurret-based
Needle Wash ModeSelectable (pre- and/or post-injection)
Repeat Injection CountUp to 99 cycles per sample
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BrandAnnuo
OriginHenan, China
ModelAS-3117
Sample Capacity156-position 2 mL vial tray + 15-position auxiliary tray
Minimum Injection Volume0.01 µL
Quantitative Loop Volume10 µL
Positioning Accuracy≤ 0.3 mm
Motion MechanismTurret-based
Needle WashInternal Wall Rinse
Repeat Injection CyclesUp to 99
Operating Temperature Range−20 °C to 50 °C (operational), −40 °C to 70 °C (storage)
Relative Humidity Range10–90% RH (operational), 5–90% RH (storage)
Communication ProtocolModbus RTU
I/O InterfaceConfigurable digital I/O for GC synchronization
Control ModesInterval-triggered, signal-triggered (TTL/relay), and full PC-based remote control
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BrandAnnuo
OriginHenan, China
Manufacturer TypeAuthorized Distributor
Product CategoryDomestic
ModelGAS-3519
Instrument TypeGas Chromatography Autosampler
Max Sample Capacity88 positions
Minimum Sample Volume1 mL
Quantitative Loop Volumes1 mL / 2 mL / 3 mL
Positioning Accuracy<0.1 mm
Sampling MechanismQuantitative Loop Injection
Needle/Line CleaningFully Automated
Repeat Injection Cycles per SampleUp to 99
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BrandAnnuo
OriginHenan, China
Manufacturer TypeAuthorized Distributor
Product CategoryDomestic
ModelAS-3016B
Instrument TypeMultifunctional Autosampler
Maximum Sample Capacity160 positions
Minimum Injection Volume0.1 µL
Quantitative Loop Volumes0.5, 1, 5, 10, 25, 50, and 500 µL
Positioning Accuracy≤ 0.3 mm
Motion SystemXYZ three-axis robotic arm
Needle Wash Cyclesup to 99
Re-injection Repetitionsup to 99
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BrandAnnuo
OriginHenan, China
ModelAS-3016
Sample Capacity160 × 2 mL vials
Minimum Injection Volume0.1 µL
Standard Loop Volume10 µL
Positioning Accuracy±0.3 mm
Motion ArchitectureVertical tower with optional expansion tray
Needle Wash Cycles99 internal rinses per injection
Replicate Injections per Vialup to 99
Injection Speedconfigurable down to 0.1 s per injection
Injection Depth Range–2 to 35 mm
Sample Tray Encodingabsolute-position optical encoder
Communication ProtocolsModbus RTU, USB 2.0, TTL I/O (compatible with major GC vendors)
Operating Temperature–20 °C to 50 °C
Storage Temperature–40 °C to 70 °C
Relative Humidity (operating)10–90% RH non-condensing
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BrandAnnuo
OriginHenan, China
Manufacturer TypeAuthorized Distributor
Product CategoryDomestic
ModelGAS-3519-XS
Instrument TypeGas Chromatography (GC) Gas Bag Autosampler
Maximum Sample Volume5 mL
Minimum Sample Volume1 mL
Quantitative Loop Volume Range0.05–5 mL
Positioning AccuracyRSD < 0.5% for total hydrocarbon and methane peak areas across 10 consecutive injections
Control MethodPC-based host software control
Needle/Line CleaningIntegrated pneumatic line purge with inert gas
Repeat Injection Count1–99 times per sample
Sample Tray Capacity11 / 28 / 40 positions (expandable to 88)
Quantitative Loop & Line Heating RangeAmbient to 150 °C
Sample & Standard Dilution RatioUp to 1:200 (customizable)
Sampling PumpMax flow 6 L/min
Sampling Time ParametersMax draw time 99 s, max equilibration time 99 s, max purge time 600 s
Tubing MaterialPTFE
Valve ActuatorPEEK body with PI (polyimide) rotor
Data InterfacesUSB, Ethernet (RJ45), RS-232
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BrandAnnuo
OriginHenan, China
ModelAS-3016C
Instrument TypeGC Autosampler
Max Sample Capacity24–160 positions (standard 24, expandable to 160)
Minimum Injection Volume0.1 µL
Quantitative Loop Volume Range0.5–500 µL (user-selectable)
Positioning Accuracy±0.1 mm
Motion ArchitectureVertical Tower (Z-axis linear actuation)
Needle WashInternal & External Wall Rinse, Unlimited Cycles
Repeat Injection CapabilityUnlimited (user-configurable)
Syringe Options1, 5, 10, 25, 50, 100, 250, 500 µL
Solvent Bottle Positions2 (expandable to 11)
Waste Bottle Positions1 (expandable to 5)
Per-Vial Injection Count1–99
Maximum Time Interval Between Injections999 min
Viscosity Delay0–60 s
Pre-/Post-Insertion Dwell Time0–120 s
Needle Penetration SpeedFast / Slow / Custom
Aspiration/Dispense SpeedFast / Slow / Custom
Injection ModesConventional, Continuous, Sample+L1, Sample+L1+L2, PTV-compatible
Control InterfaceTTL-triggered interval control, GC signal reverse-triggering, USB 2.0, Modbus RTU over RS-485
Dual-Tower Injection Time Reproducibility< 1 ms
Barcode Scanning SupportYes
Sample Temperature ControlOptional integrated cooling/heating module
Operating Temperature−20 °C to +50 °C
Storage Temperature−40 °C to +70 °C
Operating Humidity10–90% RH (non-condensing)
Storage Humidity5–90% RH
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BrandAnnuo
OriginHenan, China
ModelGAS-3529A-16
Instrument TypeGas Chromatography Autosampler
Max Sampling Rate6 L/min
Ultimate Vacuum−55 kPa
Minimum Sample Volume1 mL (configurable to 2 mL or 3 mL)
Quantitative Loop Volume1 mL / 2 mL / 3 mL (user-selectable)
Positioning AccuracyRSD < 1% for total hydrocarbon and methane peak areas across 10 consecutive injections
Sample Capacity16 positions (base unit)
Dimensions (L×W×H)40 × 50 × 37 cm (height increases by 15 cm per added module)
CleaningAutomated syringe needle path flush + quantitative loop purge + gas bag rinse
Valve ActuationPEEK body with PI (polyimide) rotor
Tubing MaterialPTFE and PEEK only
Data InterfacesUSB, Ethernet (RJ45), RS-232
ComplianceMeets GB/T 33642–2017 (Chinese national standard for gas sampling systems in GC applications)
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BrandAnnuo
OriginHenan, China
Manufacturer TypeAuthorized Distributor
Product CategoryDomestic
ModelLAS-3622
Instrument TypeHPLC Autosampler
Max Sample Capacity200 positions
Minimum Injection Volume0.1 µL–2 mL
Loop Volumes50 µL, 100 µL, 250 µL, 1000 µL
Positioning Accuracy<1% RSD at 1 µL, <0.5% RSD at 5 µL, <0.3% RSD at 10 µL
Sampling MechanismLoop-based injection
Needle Wash ModesAutomated line purge, bubble removal, pre-injection wash, post-injection wash
Repeat Injection CapabilityUnlimited cycles per sample
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