Empowering Scientific Discovery

Dongnan Scientific Instrument Co., Ltd.

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BrandHHitech
OriginShanghai, China
Manufacturer TypeAuthorized Distributor
RegionDomestic (China)
ModelMaster-D
PricingUpon Request
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BrandHHitech
OriginShanghai, China
Manufacturer TypeAuthorized Distributor
Country of OriginChina
ModelMaster-R
PriceUpon Request
Pure Water Output24 L/h
Ultra-Pure Water OutputUp to 2.0 L/min (with full reservoir)
RO Stage 1 Conductivity≈5% of feed water conductivity
RO Stage 2 Conductivity1–5 µS/cm (≤2% of feed water conductivity)
Organic Removal Rate (>200 Da)>99%
Particle & Bacterial Rejection Rate>99%
DI Resistivity16–18.2 MΩ·cm
Heavy Metals (DI)<0.1 ppb
Bacteria (DI)<0.01 CFU/mL
Particles (>0.1 µm, DI)<1/mL
UP Resistivity18.2 MΩ·cm @ 25°C
Heavy Metals (UP)<0.01 ppb
Bacteria (UP)<0.01 CFU/mL
Particles (>0.1 µm, UP)<1/mL
TOC (Standard)<10 ppb
TOC (UV/UVF models)<3 ppb
Endotoxins (UF/UVF)<0.001 EU/mL
RNase (UF/UVF)<1 pg/mL
DNase (UF/UVF)<5 pg/mL
Feed WaterMunicipal tap water, 5–45°C, 1.0–4.0 kgf/cm²
Dimensions (L×W×H)500×360×540 mm
Weight~28 kg
Electrical100–240 V, 50/60 Hz
Power Consumption120 W
Terminal filtration(0.45 + 0.2) µm PES membrane
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BrandHHitech
OriginShanghai, China
ModelSmart-Q
Pure Water Output15 or 30 L/hour
DI Water OutputUp to 2.0 L/min (with pressurized tank)
Resistivity16–18.2 MΩ·cm
Conductivity0.067–0.055 µS/cm
Bacterial Count<0.01 CFU/mL
Particles (>0.1 µm)<1/mL
RO Salt Rejection97–99% (new membrane)
Organic Rejection (>200 Da)>99%
Particulate & Bacterial Rejection (RO)>99%
Feed WaterMunicipal tap water, 5–45 °C, 1.0–4.0 kgf/cm²
Dimensions (L×W×H)410×220×420 mm
Weight~20 kg
Electrical100–240 V, 50/60 Hz
Power Consumption48 W (Smart-Q15) / 72 W (Smart-Q30)
CertificationsNSF-certified tubing & fittings, DOW RO membranes, PES 0.45 + 0.1 µm terminal filter, dual-wavelength (185/254 nm) UV lamp, MWCO 5000 Da ultrafiltration module
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BrandHHitech
OriginShanghai, China
ModelEDI-Q10 / EDI-Q10UT / EDI-S10 / EDI-S10UF / EDI-S10UV / EDI-S10UVF
Pure Water Output10 L/h
Ultra-Pure Water OutputUp to 2.0 L/min (with full tank)
Resistivity (EDI water)>10 MΩ·cm @ 25°C
Resistivity (UP water)18.2 MΩ·cm @ 25°C
TOC (EDI)<30 ppb
TOC (UP)<3–10 ppb
Bacteria<0.01 CFU/mL
Particles (>0.1 µm)<1/mL
Silica Rejection>99.9%
RO Salt Rejection97–99% (new membrane)
Organic Rejection (MW >200 Da)>99%
Endotoxin<0.001 EU/mL (UF/UVF models)
RNase<1 pg/mL (UF/UVF models)
DNase<5 pg/mL (UF/UVF models)
Feed WaterMunicipal tap water, 5–45°C, 1.0–4.0 kgf/cm²
Dimensions (L×W×H)500×360×540 mm
Weight18–30 kg
Power120 W, 100–240 V, 50/60 Hz
CertificationsNSF-certified tubing and fittings
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BrandHHitech
OriginShanghai, China
ModelDura Series Ultra-Pure Water System
Output Flow RateUp to 2.0 L/min
UP Water Resistivity (25 °C)18.2 MΩ·cm
TOC<10 ppb (Standard/Low-Organic Models), <3 ppb (Ultra-Low-Organic Models)
Bacteria<0.01 CFU/mL
Particles (>0.1 µm)<1/mL
Endotoxins<0.001 EU/mL (Heat-Resistant & Ultra-Low-Organic Models)
RNase<1 pg/mL (Heat-Resistant & Ultra-Low-Organic Models)
DNase<5 pg/mL (Heat-Resistant & Ultra-Low-Organic Models)
DI Water Resistivity>16 MΩ·cm
Feed WaterDistilled, deionized or RO water
Temp5–45 °C
Pressure1 atm
Dimensions (L×W×H)545 × 470 × 610 mm
Weight~25 kg
Electrical200–240 V, 50/60 Hz
Power Consumption240 W
CertificationsNSF-certified tubing & fittings
UV LampsDual-wavelength (185 nm & 254 nm), medical-grade 316L stainless steel chamber
Final FilterDouble-layer PES membrane, (0.45 + 0.1) µm
RO MembraneImported Dow Filmtec™ elements, lab-optimized dual-stage configuration
Data InterfaceRS232 & USB for real-time logging of temperature and three-point conductivity/resistivity monitoring
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BrandHHitech
OriginShanghai, China
ModelMaster Touch Series Ultra-Pure Water System
Production TypeDomestic
PricingUpon Request
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BrandHHitech
OriginShanghai, China
ModelBenchmark
Pure Water Output60 L/hour
Max Flow Rate2.0 L/min (1.0 L/min continuous)
DI Water Resistivity16–18 MΩ·cm
UP Water Resistivity18.2 MΩ·cm @ 25°C
Bacterial Count<0.01 CFU/mL
Particles (>0.2 µm)<1/mL
TOC<10 ppb (UP), <3 ppb (with UV 185/254 nm)
Endotoxin<0.001 EU/mL (with UF membrane)
RNase<1 pg/mL
DNase<5 pg/mL
Dimensions (L×W×H)500 × 385 × 650 mm
Weight~25 kg
Power Supply100–240 V, 50/60 Hz, 192 W
Feed WaterMunicipal tap water (5–35°C, 1.0–4.0 bar)
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BrandHHitech
OriginShanghai, China
ModelCenter Series
Pure Water Output45/60/90 L/hour
Ultra-Pure Water OutputUp to 2.0 L/min (with full reservoir)
Resistivity (25°C)≥18.2 MΩ·cm
TOC<3–10 ppb
Bacteria<0.01 CFU/mL
Particles (>0.2 µm)<1/mL
Endotoxins<0.001 EU/mL (FC/FV models)
RNases<1 pg/mL (FV models)
DNases<5 pg/mL (FV models)
RO Feed Water Conductivity Reduction~95% (1st stage)
Dimensions (L×W×H)610×585×1580 mm
Weight~70 kg
Power220 V, 50 Hz, 480 W
Pre-treatmentDOW RO membrane
Final PolishingNuclear-grade ion exchange resin, dual-wavelength UV (254 & 185 nm), 5 kDa UF, 0.2 µm PES final filter
ComplianceASTM D1193 Type I, NCCLS, CAP, GLP-aligned data logging (1 year), NSF-certified fluid path components
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BrandHHitech
OriginShanghai, China
ModelMaster-S
TypeBenchtop Ultra-Pure Water System for Laboratory Use
Pure Water Output15 or 30 L/h (S15/S30 series)
Ultra-Pure Water OutputUp to 2.0 L/min (with pressurized reservoir)
Resistivity18.2 MΩ·cm @ 25 °C
Heavy Metals<0.01 ppb
TOC<10 ppb (standard), <3 ppb (UV/UF variants)
Bacteria<0.01 CFU/mL
Endotoxins<0.001 EU/mL (UVF & UF models)
Particles (>0.1 µm)<1/mL
RNase<1 pg/mL (UVF & UF models)
DNase<5 pg/mL (UVF & UF models)
RO Salt Rejection97–99% (new membrane)
Organic Rejection (>200 Da)>99%
Microbial & Particle Rejection>99%
Feed WaterMunicipal tap water, 5–45 °C, 1.0–4.0 kgf/cm²
Dimensions (L×W×H)500×360×540 mm
Weight~25 kg
Power100–240 VAC, 50/60 Hz, 120 W
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BrandHHitech
OriginUnited Kingdom
ModelBasic-RO15(IT)/Basic-RO30(IT)/Basic-RO45(IT)/Basic-Q15(IT)/Basic-Q30(IT)/Basic-Q45
Purified Water Output15/30/45 L/hour
RO Rejection Rate97–99% (ions), >99% (organics, MW >200 Da), >99% (particles & bacteria)
DI Resistivity13–17.5 MΩ·cm @ 25°C
Conductivity0.077–0.057 µS/cm
Bacterial Count<0.01 CFU/mL (with optional 0.45 + 0.1 µm PES final filter)
Particle Count (>0.1 µm)<1/mL (with optional filter)
Feed WaterMunicipal tap water, 5–45 °C, 1.0–4.0 kgf/cm²
Dimensions (Standard)340 × 320 × 470 mm
Weight~15 kg
Dimensions (IT Series)535 × 320 × 470 mm
Weight~20 kg
Electrical100–240 V, 50/60 Hz
Power Consumption48 W / 72 W / 120 W
ConfigurationMain unit (incl. one set of purification cartridges) + integrated 12 L pressurized tank (IT models) + accessory kit
CertificationsNSF-certified tubing and fittings
RO MembraneOriginal Dow Filmtec™ elements
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BrandHHitech
OriginShanghai, China
ModelPilot-R
Pure Water Output30/45/60/90 L/hr (2nd-stage RO)
RO Resistivity1–5 µS/cm
DI Resistivity10–18.2 MΩ·cm
UP Resistivity18.2 MΩ·cm @ 25°C
TOC<10 ppb (UV), <3 ppb (UVF)
Endotoxin<0.001 EU/mL (UF/UVF)
RNase<1 pg/mL (UF/UVF)
DNase<5 pg/mL (UF/UVF)
Bacteria<0.01 CFU/mL
Particles (>0.2 µm)<1/mL
Feed WaterMunicipal tap water, 5–45°C, 1.0–4.0 kgf/cm²
Dimensions (L×W×H)640×540×1110 mm
Weight~75 kg
Power220 V, 50 Hz, 240 W
ComplianceGLP-ready, NSF-certified fluid path components, ASTM D1193 Type I & II, ISO 3696 Grade 1
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BrandHHitech
ModelECO-T
OriginShanghai, China
TypeBenchtop Integrated Ultra-Pure Water System with UV/UF Polishing
Pure Water Output20 L/h
Ultra-Pure Water OutputUp to 2.0 L/min (with pressurized reservoir)
Resistivity18.2 MΩ·cm @ 25 °C
Heavy Metals< 0.01 ppb
TOC< 10 ppb (ECO-T), < 3 ppb (ECO-TUVF)
Bacteria< 0.01 CFU/mL
Particles (>0.1 µm)< 1/mL
Endotoxins< 0.001 EU/mL (ECO-TUVF)
RNase< 1 pg/mL (ECO-TUVF)
DNase< 5 pg/mL (ECO-TUVF)
RO Salt Rejection97–99% (new membrane)
Organic Rejection (>200 Da)>99%
Bacterial/Particulate Rejection>99%
Feed WaterMunicipal tap water, 5–45 °C, 1.0–4.0 kgf/cm²
Dimensions (W×D×H)340 × 500 × 560 mm
Weight~25 kg
Power100–240 VAC, 50/60 Hz
Power Consumption48 W
CertificationsNSF-certified tubing & fittings, RoHS-compliant components
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[BrandHHitech
OriginShanghai, China
ModelMaster Evo
Flow Rate45 L/h
Ultrapore Water Resistivity18.2 MΩ·cm @ 25°C
TOC<10 ppb (Standard), <3 ppb (UV/UF variants)
Bacterial Count<0.01 CFU/mL
Endotoxin<0.001 EU/mL (UF/UVF models)
RNase<1 pg/mL (UVF model)
DNase<5 pg/mL (UVF model)
RO Salt Rejection97–99% (new membrane)
Organic Rejection (MW >200 Da)>99%
Feed WaterMunicipal tap water, 5–45°C, 1.0–4.0 kgf/cm²
Dimensions (L×W×H)500 × 360 × 540 mm
Weight~22 kg
Power100–240 V, 50/60 Hz, 120 W]
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BrandHHitech
OriginShanghai, China
ModelSmart-S
Pure Water Output15 L/h (S15) / 30 L/h (S30)
Ultrapure Water OutputUp to 2.0 L/min (with pressurized tank)
Resistivity18.2 MΩ·cm @ 25 °C
Heavy Metals< 0.01 ppb
TOC< 10 ppb (Standard), < 3 ppb (UV-equipped models)
Bacteria< 0.01 CFU/mL
Endotoxins< 0.001 EU/mL (UV + UF models)
Particles (>0.1 µm)< 1/mL
RNase< 1 pg/mL (UV + UF models)
DNase< 5 pg/mL (UV + UF models)
RO Salt Rejection97–99% (new membrane)
Organic Rejection (>200 Da)>99%
Microbial/Particulate Rejection>99%
Feed WaterMunicipal tap water, 5–45 °C, 1.0–4.0 kgf/cm²
Dimensions (L×W×H)410 × 220 × 420 mm
Weight~20 kg
Power100–240 V, 50/60 Hz
Power Consumption48 W (S15) / 72 W (S30)
CertificationsNSF-certified tubing & fittings
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BrandHHitech
OriginShanghai, China
Manufacturer TypeAuthorized Distributor
Product CategoryDomestic
ModelMaster i
PricingAvailable Upon Request
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BrandHHitech
OriginShanghai, China
ModelPilot-S
Production Capacity (Pure Water)45–180 L/h (varies by series)
Deionized Water Output2.0–3.0 L/min (tank-fed)
UP Water Resistivity18.2 MΩ·cm @ 25°C
Heavy Metals<0.01 ppb
TOC≤10 ppb (Standard), ≤3 ppb (UV/UF variants)
Bacteria<0.01 CFU/mL
Particles (>0.2 µm)<1/mL
Endotoxins<0.001 EU/mL (UVF variant)
RNases<1 pg/mL (UVF variant)
DNases<5 pg/mL (UVF variant)
RO Salt Rejection97–99% (new membrane)
Organic Rejection (>200 Da)>99%
Input WaterMunicipal tap water, 5–45°C, 1.0–4.0 kgf/cm²
Dimensions (L×W×H)640×540×1110 mm
Weight~70 kg
Power120–300 W (model-dependent)
ComplianceGLP-compliant architecture, NSF-certified fluid path components, DOW RO membranes, dual-wavelength UV (185/254 nm), 5000 Da MWCO UF module (UVF), 0.2 µm PES final filter
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BrandHHitech
OriginShanghai, China
Manufacturer TypeAuthorized Distributor
Country of OriginChina
ModelSmart-D
PricingAvailable Upon Request
Pure Water OutputUp to 2.0 L/min
UP Water Resistivity (25°C)18.2 MΩ·cm
Heavy Metals< 0.01 ppb
TOC< 10 ppb (Standard), < 3 ppb (UV-equipped models)
Bacteria< 0.01 CFU/mL
Endotoxins< 0.001 EU/mL (UV + UF models)
Particles (>0.1 µm)< 1/mL
RNases< 1 pg/mL (UV + UF models)
DNases< 5 pg/mL (UV + UF models)
DI Water Resistivity≥ 5 MΩ·cm
Feed WaterRO, DI or distilled water
Temp5–45 °C
Pressure1 atm
Dimensions (L×W×H)410 × 220 × 420 mm
Weight~20 kg
Electrical100–240 V, 50/60 Hz
Power Consumption72 W
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BrandHHitech
OriginShanghai, China
Manufacturer TypeAuthorized Distributor
Product CategoryDomestic
ModelEco-S
PricingAvailable Upon Request
Pure Water Output15 / 30 L/hour
Ultra-Pure Water OutputUp to 2.0 L/min (with pressurized tank)
Resistivity18.2 MΩ·cm @ 25°C
Heavy Metals< 0.01 ppb
TOC<10 ppb (Standard), <3 ppb (UV-equipped models)
Bacteria<0.01 CFU/mL
Endotoxins<0.001 EU/mL (UV + UF models)
Particles (>0.1 µm)<1/mL
RNases<1 pg/mL (UV + UF models)
DNases<5 pg/mL (UV + UF models)
RO Salt Rejection97–99% (new membrane)
RO Organic Rejection>99% (MW > 200 Da)
RO Microbial/Particulate Rejection>99%
Feed WaterMunicipal tap water, 5–45°C, 1.0–4.0 kgf/cm²
Dimensions (L×W×H)340 × 500 × 560 mm
Weight~25 kg
Electrical220 V, 50 Hz
Power Consumption72 W
Terminal Filtration0.45 + 0.1 µm PES Membrane
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BrandHHitech
OriginShanghai, China
ModelMaster-Q
Pure Water Output15 L/hour (Master-Q15) / 30 L/hour (Master-Q30)
DI Water OutputUp to 2.0 L/min (with pressurized tank)
Resistivity16–18.2 MΩ·cm @ 25 °C
Heavy Metals<0.1 ppb
Bacterial Count<0.01 CFU/mL
Particles (>0.1 µm)<1/mL
RO Salt Rejection97–99% (new membrane)
Organic Rejection (>200 Da)>99%
Particle & Bacterial Rejection (RO)>99%
Feed WaterMunicipal tap water, 5–45 °C, 1.0–4.0 kgf/cm²
Dimensions (L×W×H)500×360×540 mm
Weight~22 kg
Electrical100–240 V, 50/60 Hz
Power Consumption120 W
CertificationsNSF-certified tubing and fittings
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BrandHHitech
OriginShanghai, China
Manufacturer TypeAuthorized Distributor
Country of OriginChina
ModelPilot-RO
PricingAvailable Upon Request
Pure Water Output45–180 L/hr (Model-Dependent)
RO Salt Rejection Rate97–99% (New Membrane)
Organic Rejection (>200 Da)>99%
Particulate & Bacterial Retention>99%
Bacterial Count<0.01 CFU/mL (with optional 0.2 µm PES final filter)
Particles (>0.2 µm)<1/mL (with optional 0.2 µm PES final filter)
Feed WaterMunicipal tap water, 5–45 °C, 1.0–4.0 kgf/cm² pressure
Dimensions (L×W×H)640 × 540 × 1110 mm
Weight~70 kg
Electrical Supply220 V, 50 Hz
Power Consumption120–240 W (model-dependent)
ComplianceGLP-compliant architecture, NSF-certified tubing/fittings, DOW FilmTec™ RO membranes, USP <1231> aligned design principles
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BrandHHitech
OriginShanghai, China
ModelPilot EDI-Q45 / Pilot EDI-Q60 / Pilot EDI-Q90
Pure Water Output45 / 60 / 90 L/h
Resistivity (25 °C)>10 MΩ·cm (EDI water)
TOC<30 ppb (EDI water)
Silica Rejection Rate>99.9%
Bacteria<0.01 CFU/mL
Particles (>0.2 µm)<1 /mL
RO Feed Water Conductivity Reduction~95% (1st pass)
Feed Water RequirementsMunicipal tap water, 5–45 °C, pressure 1.0–4.0 kgf/cm²
Dimensions (L×W×H)640×540×1120 mm
Weight~70 kg
Electrical Supply220 V, 50 Hz
Power Consumption240 W / 300 W / 480 W
CertificationsNSF-certified tubing & fittings, GLP-compliant data logging, DOW RO membranes, dual-wavelength UV (185/254 nm), 5000 Da UF module, PES 0.2 µm final filter
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BrandHHitech
OriginShanghai, China
ModelR-DIS
TypeStandalone or Touch-System-Integrated Remote Dispenser
ComplianceDesigned for ISO 3696 Grade 1 / ASTM D1193 Type I / CLSI EP21-A2 water quality monitoring
Display3.0-inch color TFT graphic LCD
Dispensing ModesInstant Flow & Precise Volume Delivery (10–9990 mL)
Flow SensorIntegrated electromagnetic flow meter
Resistivity SensorHigh-accuracy inline conductivity/resistivity probe (0.01 µS/cm resolution, temperature-compensated to 25°C)
Platform Dimensions222 × 150 mm tempered glass base
Adjustable Height Range280–480 mm
Material ContactFDA-compliant PEEK, PTFE, and 316L stainless steel wetted parts
Data LoggingInternal buffer for ≥10,000 dispensing events with timestamp, volume, resistivity, and temperature metadata
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BrandHHitech
OriginShanghai, China
ModelSmart-T
Pure Water Output20 L/h
UP Water OutputUp to 2.0 L/min (with full reservoir)
Resistivity (25 °C)18.2 MΩ·cm
Heavy Metals< 0.01 ppb
TOC< 10 ppb (Smart-T), < 3 ppb (Smart-T UVF)
Bacteria< 0.01 CFU/mL
Particles (>0.1 µm)< 1/mL
Endotoxins< 0.001 EU/mL (Smart-T UVF)
RNases< 1 pg/mL (Smart-T UVF)
DNases< 5 pg/mL (Smart-T UVF)
RO Salt Rejection97–99% (new membrane)
Organic Rejection (>200 Da)>99%
Microbial/Particulate Rejection>99%
Feed WaterMunicipal tap water, 5–45 °C, 1.0–4.0 kgf/cm²
Dimensions (L×W×H)410 × 220 × 420 mm
Weight~20 kg
Power100–240 V, 50/60 Hz, 48 W
CertificationsNSF-certified tubing & fittings
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BrandHHitech
OriginShanghai, China
ModelEco-Q
Pure Water Output15 L/h or 30 L/h
DI Water OutputUp to 2.0 L/min (with pressurized tank)
Resistivity16–18.2 MΩ·cm (at 25°C)
Heavy Metals<0.1 ppb
Bacterial Count<0.01 CFU/mL
Particles (>0.1 µm)<1/mL
RO Salt Rejection97–99% (with new membrane)
Organic Removal>99% for MW >200 Da
Feed WaterMunicipal tap water, 5–45°C, 1.0–4.0 kgf/cm²
Dimensions (L×W×H)340×500×560 mm
Weight~22 kg
Electrical220 V, 50 Hz, 72 W
Integrated Tank12 L pressurized stainless-steel-free polymer tank
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