Products

From handheld portables to continuous online monitoring systems, discover the particle counter that fits your critical environment.

Handheld Particle Counter

KQ-3001 Handheld Particle Counter

Lightweight yet powerful. The perfect tool for spot-checking clean zones and mobile filter integrity certification. Stores 10,000 sample records.

Particle Channels0.3um，0.5um，1um，3um，5um，10um

Flow Rate2.83L/min ±5%

Laser SourceImported semiconductor laser diode (10-year lifetime)

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Handheld Particle Counter

KQ-4001 Handheld Particle Counter

Portable laser particle counter for cleanroom classification and spot checks.

ModelKQ-4001

Channels0.3，0.5，1.0，3.0，5.0，10.0μm

Flow Rate2.83L/min±5%

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Handheld Particle Counter

KQ-4010/4050/4100 Handheld Particle Counter

Portable laser particle counter for cleanroom classification and spot checks.

ModelKQ-4010

Channels0.3，0.5，1.0，3.0，5.0，10.0μm

Flow Rate28.3L/min±5%

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Handheld Particle Counter

KQ-4011 Benchtop Particle Counter

Flagship model designed for ISO Class 1-9 cleanrooms. Features high-sensitivity laser optics and user-friendly touch interface. 28.3 L/min flow rate.

Channels0.1μm，0.15um，0.2μm，0.25um，0.3μm，0.5μm，1.0μm，5.0μm

Flow Rate28.3L/min±5%

0.1 μm Counting Efficiency50±10%

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Handheld Particle Counter

KQ-4021 Handheld Particle Counter

Portable laser particle counter for cleanroom classification and spot checks.

ModelKQ-4021

Channels0.1，0.15，0.2，0.25，0.3，0.5，1.0，5.0μm

Flow Rate2.83L/min±5%

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Handheld Particle Counter

KQ-4128B Handheld Particle Counter

Portable laser particle counter for cleanroom classification and spot checks.

NameLarge-particle 100 L/min benchtop particle counter

Particle Size Range10-500μm

Channels10，50，100，150，300，500μm

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Handheld Particle Counter

KQ-4128A-100 Handheld Particle Counter

Portable laser particle counter for cleanroom classification and spot checks.

NameLarge-particle 100 L/min benchtop particle counter

Particle Size Range5.0-100.0μm

Channels5，10，20，30，50，100μm

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Handheld Particle Counter

KQ-4128A Handheld Particle Counter

Portable laser particle counter for cleanroom classification and spot checks.

NameLarge-particle 28.3 L/min benchtop particle counter

Particle Size Range5.0-100.0μm

Channels5，10，20，30，50，100μm

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Online Particle Counter

KQET-5016 Online Particle Counter

24/7 continuous monitoring for Facility Management Systems (FMS). Seamless integration via Modbus/RS485. Compact design for easy installation.

ModelKQET-5016

Particle Size Range0.3μm~10.0μm

Channels0.5, 5.0 μm (default)

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Online Particle Counter

KQET-5018 Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

ModelKQET-5018

Particle Size Range0.3um~10.0um

Channels0.5，5.0um

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Online Particle Counter

KQET-5018S Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

ModelKQET-5018S

Particle Size Range0.3um~10.0um

Channels0.5，5.0um

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Online Particle Counter

KQET-5011L 0.1um Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

Particle Size Range0.1um~5.0um

Standard Channels0.1um 0.15um 0.2um 0.25um 0.3um 0.5um 1.0um 5.0um

0.1 μm Counting Efficiency50±20%

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Online Particle Counter

KQET-5108 Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

ModelKQET-5108

Particle Size Range0.3um~10.0um

Channels0.5um，5.0um

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Online Particle Counter

KQET-5108L Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

ModelKQET-5108L

Particle Size Range0.3um~10.0um

Channels0.5um，5.0um

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Online Particle Counter

KQET-5101L 0.1um Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

ModelKQET-5101L

Particle Size Range0.1um~5.0um

Standard Channels0.1um，0.15um，0.2um， 0.25um， 0.3um， 0.5um， 1.0um， 5.0um

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Online Particle Counter

KQET-5106L Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

ModelKQET-5106L

Particle Size Range0.3um~10.0um

Standard Channels0.5, 5.0 μm (default)

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Online Particle Counter

KQET-5106 Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

ModelKQET-5106

Particle Size Range0.3um~10.0um

Channels0.5，5.0um

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Online Particle Counter

KQET-5104 Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

ModelKQET-5104

Particle Size Range0.3um~10.0um

Channels0.5um，5.0um

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Online Particle Counter

KQET-5128B Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

Particle Size Range10μm~500μm

Channels10，50，100，150，300，500μm

Counting Efficiency50%±10% @ 10μm；100%±10% ＞ 15μm

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Online Particle Counter

KQET-5128A Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

ModelKQET-5128A

Particle Size Range5μm~100μm

Channels5，10，20，30，50，100μm

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Online Particle Counter

KQET-5128A-100 Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

Particle Size Range5μm~100μm

Channels5，10，20，30，50，100μm

Counting Efficiency50%±10% @5μm；100%±10%＞7.5μm

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Online Particle Counter

KQET-5128CL Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

ModelKQET-5128CL

Particle Size Range0.5um~50.0um

Standard Channels0.5, 1.0, 5.0, 10.0, 25.0, 50.0 μm (customizable)

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Online Particle Counter

KQ-AGV01 Online Particle Counter

Online laser particle counter for continuous cleanroom monitoring and system integration.

Overall ParametersDimensions (mm)

Wheelbase (mm)372.1

Ramp Performance3°

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Microbial Sampler

KQ-FY720 Microbial Sampler

Active air microbial sampler for viable airborne microorganism monitoring.

Flow Rate100L/min±5%

Sample VolumeConfigurable 1–50,000 L

Impaction Rate10.8m/s

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Microbial Sampler

KQET-6014 Microbial Sampler

Active air microbial sampler for viable airborne microorganism monitoring.

ModelKQET-6014

Flow Rate28.3 L/min

Sample VolumeConfigurable 1–6,000 L

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Microbial Sampler

KQET-6104 Microbial Sampler

Active air microbial sampler for viable airborne microorganism monitoring.

Flow Rate28.3L/min±5%

Sample VolumeConfigurable 1–6,000 L

Impaction Rate10.8m/s

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Air Flow Hood

KQ-FL510 Air Flow Hood

Airflow hood for measuring airflow and filter face velocity.

ModelKQ-FL510

Airflow Sampling Range150-3500m³/h

Airflow Accuracy±5% of reading

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Fog Generator

KQ-W210 Fog Generator

Pure-water fog generator for airflow visualization and cleanroom smoke studies.

PowerAC 220V  50Hz

Water Tank Capacity2500 mL (max 3000 mL)

DimensionsW20.2 × D30.2 × H28.3 cm

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HEPA Leak Detector

KQ-4010S HEPA Leak Detector

HEPA filter leak detector for filter integrity testing and certification.

ModelKQ-4018

Particle Size Range0.3-10μm

Counting Particle Size0.3μm

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HEPA Leak Detector

KQ-3010S HEPA Leak Detector

HEPA filter leak detector for filter integrity testing and certification.

Flow Rate28.3L/min

Concentration Range0.0001-300ug/L（mg/m³）

Resolution0.0001ug/L

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High Pressure Diffuser

KQ-P910S High Pressure Diffuser

High pressure diffuser (relief valve) for compressed gas flow control.

ModelKQ-P910S

Pressure0.5-8bar（20-120psi）

Flow Rate0.1CFM/1.0CFM/50LPM/100LPM

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High Pressure Diffuser

KQ-P910 High Pressure Diffuser

High pressure diffuser (relief valve) for compressed gas flow control.

Acceptable Inlet Pressure0.1-1.0 MPa（30-150 psi）

Test Particle Size Range≥0.3um

Compatible GasesNitrogen, Argon, Helium

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Multi-point Sampler

KQET-04 Multi-point Sampler

Multi-point sampling system for automated, multi-location measurement.

ItemParameters

Particle Size Range0.1um-10um

Flow Range28.3~100L/min

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Auxiliary Instruments

KQ-5B Auxiliary Instruments

Auxiliary instruments for cleanroom validation and environmental testing.

Usable Flow Range1500-65000cfm(14-1840m³/min)

Generated Concentration10 µg/L: 65,000 cfm (≈1840 m³/min)

Generated ParticlesPAO, polydisperse DEHS (DOS), paraffin oil

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Auxiliary Instruments

KQET-03 Auxiliary Instruments

Auxiliary instruments for cleanroom validation and environmental testing.

Pump Flow Rate28.3L/min

PumpLow vibration and noise

PowerDC 24V / 4A power adapter

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Auxiliary Instruments

KQ-D110 Auxiliary Instruments

Auxiliary instruments for cleanroom validation and environmental testing.

ModelKQ-D110

Dilution RatioFixed dilution 1:100 (@≥0.3 μm)

Flow Rate28.3L/min±5%

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KQET Test Kits

KQ-37 KQET Test Kits

Portable cleanroom testing kit for common validation measurements.

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