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Shanghai Zhetu Scientific Instrument Co., Ltd.

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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTPG-F136B
Instrument TypePrecision Drying Oven
Temperature RangeRT+10°C to 300°C (max operational temperature < 280°C)
Temperature Fluctuation±0.2°C
External Dimensions595 × 810 × 870 mm
Control Temperature RangeRT+10°C to 300°C (max operational temperature < 280°C)
Internal Chamber Dimensions450 × 550 × 550 mm
Temperature Resolution0.1°C
Ambient Operating Temperature+5°C to +40°C above ambient
Interior MaterialStainless Steel (SUS304)
Heating MethodForced-Air Convection
Temperature Uniformity±1.5°C (at 100°C)
Vacuum CapabilityNot applicable (standard atmospheric operation only)
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Country of OriginChina
ModelDW-150CA
Cooling MethodCompressor-based Refrigeration
Heating MethodAir-Jacketed Heating
Temperature Range−20 °C to +65 °C
Temperature Resolution0.1 °C
Temperature UniformityNot Specified
Temperature Fluctuation±0.5 °C
Capacity250 L
External Dimensions (W×D×H)830 mm × 790 mm × 1550 mm
Power SupplyAC 220 V, 50 Hz
Input Power2800 W
Interior Dimensions (W×D×H)580 mm × 540 mm × 950 mm
Shelf Quantity3 Adjustable Stainless Steel Shelves
Observation WindowEmbedded Anti-Fog Heated Glass
Test Port25 mm Diameter Sealed Opening
Door LockKey-Operated Mechanical Lock
Safety FeaturesOver-Temperature Alarm, Power-Failure Recovery, Compressor Delay Protection, Parameter Memory
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
ModelTHL-D100-I
Temperature Range-80 °C to +120 °C
Cooling MethodHermetic Compressor-Based Refrigeration
Explosion-ProofStandard (Non-Explosion-Proof)
Temperature Fluctuation±0.5 °C
Temperature Uniformity≤2 °C
Heating Rate1–3 °C/min (adjustable)
Cooling Rate0.7–1 °C/min (adjustable)
Interior Dimensions (W×D×H)500 × 400 × 500 mm
Interior Volume100 L
Control Interface7-inch Full-Color TFT Touchscreen
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
ModelTRX-9123A
Price RangeUSD 850–1,150 (FOB)
Air CirculationForced convection
Temperature RangeAmbient +10°C to 250°C
Temperature Control Resolution0.1°C
Temperature Uniformity±2.5°C (at 160°C, measured per ISO 17665-1 Annex B)
Heating Power2050 W
Internal Chamber Dimensions (W×D×H)550 × 450 × 550 mm
Chamber Volume140 L
ConstructionStainless steel inner chamber and shelves
Door SealHigh-temperature ceramic fiber gasket
Safety FeaturesIndependent over-temperature cutoff, leakage protection, short-circuit protection, thermal overload protection, power-fail data retention
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeAir-Jacketed CO₂ Incubator
CO₂ DetectionInfrared (IR) Sensor
Temperature Control Range10–50°C (with illumination)
CO₂ Concentration Range0–20%
Capacity400 L
External Dimensions (W×D×H)880 × 780 × 1810 mm
Insulation MaterialCeramic Fiber
Air FiltrationHEPA-grade filter (≥0.3 µm, 99.998% efficiency)
Door SystemDual-pane tempered glass with magnetic seal and nano-composite gasket
Cooling SystemModular compressor-based refrigeration with delayed start & cycle protection
Humidity ControlNone (reservoir-based humidity recovery design, non-regulated)
LightingAdjustable LED cold-light source (0–25,000 lx, 6-level intensity, selectable red/blue spectra)
Control InterfaceOptional color touchscreen or LCD display
ComplianceDesigned for GLP-aligned cell culture workflows
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeAir-Jacketed CO₂ Incubator
CO₂ DetectionInfrared (IR) Sensor
Temperature Control Range10–45 °C (unhumidified), 15–45 °C (humidified)
CO₂ Concentration Range0–20%
Humidity Control Range50–85% RH (customizable to 40–95% RH)
Chamber Capacity150 L
External Dimensions (W×D×H)605 × 625 × 1375 mm
Power SupplyAC 220 V, 50 Hz
Heating SystemIndependent NiCr Alloy Heater
Cooling SystemOptimized Refrigeration Module with Compressor Protection
Humidification MethodSteam-Based Automatic Humidifier
Air FiltrationHEPA-Grade Filter (≥0.3 µm, 99.998% efficiency)
UV SterilizationOzone-Free UV Lamp (mounted on ceiling)
Control InterfaceOptional LCD or Full-Color Touchscreen
Programmability99-Cycle, 30-Stage Multi-Step Controller
Data LoggingUSB/RS485 Interface (optional)
Safety FeaturesDual-Limit Temperature Protection, Power-Failure Recovery, Auto-Defrost, Door-Open Recovery (CO₂ ≤3 min, Temp ≤8 min)
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelUHP-28
Price RangeUSD 420–700 (FOB)
Temperature RangeAmbient +5°C to 100°C
Temperature Control Accuracy±0.1°C
Bath Capacity17 L
Heating Power1500 W
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Country of OriginChina
ModelMH-800
Price RangeUSD 7,000 – 11,200 (FOB Shanghai)
Temperature Control Range0–65 °C
Temperature Uniformity±2.5 °C
Temperature Fluctuation±0.5 °C
Humidity Control Range30–95 %RH (customizable to 20–95 %RH)
Humidity Deviation±3 %RH
Illumination CapabilityOptional (Lx-display, UV sterilization, multi-spectral LED sources)
Internal Volume800 L
Power SupplyAC 380 V, 50 Hz
Input Power7,000 W
Chamber Dimensions (W×D×H)965 × 580 × 1430 mm
Shelving4 adjustable stainless steel shelves
Data Logging Interval60 s (≥3 years continuous storage)
Compliance SupportIQ/OQ/PQ documentation, CNAS calibration certificate (user-selectable temp/humidity points), FDA 21 CFR Part 11–ready audit trail
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTMF-80-14TP
Instrument TypeBox-Type Muffle Furnace
Maximum Temperature1400 °C
Temperature Control Accuracy±1 °C
Rated Power22 kW
Heating Time to Max Temp60 min
Heating ElementSilicon Carbide Rods
Internal Chamber Dimensions400 × 500 × 400 mm
Control SystemProgrammable LCD Controller
Nominal Volume80 L
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelMK12-7.2
Instrument TypeBox-Type Muffle Furnace
Maximum Temperature1000°C
Temperature Control Accuracy±1°C
Rated Power9 kW
Heating Rate to Max Temp30 min
Heating ElementNi-Cr-Mo Alloy Wire
Internal Dimensions (W×D×H)300 × 500 × 200 mm
Control SystemMicrocomputer-Based PID Controller
Nominal Chamber Volume30 L
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTPH-240A
Instrument TypeDual-Function Laboratory Oven
Temperature RangeRT+5–80°C (Incubation Mode) / 80–250°C (Drying Mode)
Temperature Fluctuation±0.5°C (Incubation) / ±1°C (Drying)
External Dimensions880×720×830 mm
Internal Chamber Dimensions600×595×650 mm
Temperature Resolution0.1°C
Operating Ambient Temperature5–45°C
Interior MaterialStainless Steel (SUS304)
Heating MethodForced-Air Convection
Temperature Uniformity±2.5°C
Vacuum CapabilityNot Integrated (Vacuum Option Available Upon Request)
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeBox-Type Muffle Furnace
Maximum Temperature1400 °C
Temperature Control Accuracy±1 °C
Rated Power10 kW
Heating Time to Max Temp≤60 min
Heating ElementSilicon Carbide Rods
Internal Chamber Dimensions250 × 400 × 180 mm (W × D × H)
Nominal Volume20 L
Control SystemProgrammable Digital Display Controller with PID Algorithm
Safety FeaturesDoor-Interlocked Power Cut-off, Dual-Stage Overtemperature Alarm, Thermocouple Break Detection, Phase Loss Protection
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeOriginal Equipment Manufacturer (OEM)
Product CategoryDomestic
ModelSSK-4030H
Instrument TypeWater-Bath Constant-Temperature Shaker / Orbital Shaker
Timer Range0–9999 min
Oscillation Speed50–300 rpm (adjustable)
Oscillation Amplitude26 mm
Temperature RangeRT + 5°C to 100°C
Temperature Uniformity±0.5°C (at 25°C)
Temperature Control Accuracy±0.1°C
DisplayLED LCD
Heating Power1500 W
Chamber Dimensions (W×D×H)470 × 380 × 170 mm
Tray Dimensions (W×D)400 × 300 mm (spring-loaded platform)
Capacity12 × 250 mL Erlenmeyer flasks
Safety FeaturesOver-temperature alarm, heater overheat protection, sensor fault detection, power-loss memory
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
ModelTHS-B225-II
Temperature Range-40 °C to +150 °C
Refrigeration MethodCompressor-based Cooling
Explosion-ProofStandard (Non-Explosion-Proof)
Temperature Fluctuation±0.5 °C
Temperature Uniformity≤2 °C
Heating Rate1–3 °C/min (adjustable)
Cooling Rate0.7–1 °C/min (adjustable)
Interior Dimensions (W×D×H)600 mm × 500 mm × 750 mm
Control InterfaceFull-color Touchscreen with Multi-level User Permissions
Data LoggingReal-time Export to Excel & Graphical Reports
CommunicationRS485/USB (standard), Optional Cloud & Mobile APP Integration
Safety ProtectionsOver-temperature, Compressor/Fan Overload, Leakage Current, Auto Power Cut-off
ConstructionStainless Steel Interior, Electrostatically Powder-Coated Exterior, Double-Layer Heated Observation Window
ComplianceDesigned to support ASTM D4329, ISO 4892-2, IEC 60068-2-1, IEC 60068-2-2, MIL-STD-810G (thermal cycling profiles)
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelS13-18PV
Instrument TypeBox-Type Muffle Furnace
Maximum Temperature1300 °C
Temperature Control Accuracy±1 °C
Rated Power8 kW
Heating Time to Max Temp50 min
Heating ElementSilicon Carbide Rods
Internal Chamber Dimensions200 × 400 × 180 mm
Control SystemIndustrial-Grade Color Touchscreen Controller
Nominal Volume20 L
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
ModelTGF-9240AH
Instrument TypeGeneral-Purpose Forced-Air Oven
Temperature RangeRT+10°C to 250°C
Temperature Uniformity±2.5°C (at 100°C, empty chamber)
Temperature Fluctuation±1°C
Temperature Resolution0.1°C
Chamber Dimensions (W×D×H)600×595×750 mm
External Dimensions (W×D×H)890×780×935 mm
Heating MethodForced Convection with High-Temperature Fan & Optimized Airflow Duct Design
Inner Chamber MaterialStainless Steel (Brushed Finish)
Operating Ambient Temperature+5°C to +40°C
Power SupplyAC 220 V, 50 Hz
Rated Power2500 W
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
ModelEH35-3020
Heating Power1200 W
Temperature ControlPID Digital Controller
Max Operating Temperature350 °C
Heating Surface Dimensions300 mm × 200 mm
Overall Dimensions (W×D×H)340 mm × 300 mm × 200 mm
DisplayLED Digital Display
Temperature Accuracy±0.1 °C
Temperature UniformityNot Specified by Manufacturer
ComplianceDesigned for GLP-compliant sample preparation workflows
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeWater-Jacketed CO₂ Incubator
CO₂ DetectionInfrared (IR) Sensor
Temperature Control Range & AccuracyRT + 5°C to 60°C, ±0.2°C
Temperature UniformityNot specified in source data
CO₂ Concentration Control Range & Accuracy0–20% vol, ±0.1% vol
Humidity Control95% RH ±3% RH (natural evaporation)
Chamber Capacity160 L
Internal Dimensions (W×D×H)500 × 500 × 650 mm
Standard ConfigurationUV Germicidal Lamp (optional 90°C High-Temperature Humid Heat Sterilization)
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Region of OriginDomestic (China)
ModelVGM-F3306
Instrument TypeDiaphragm Pump
Product TypeOil-Free Vacuum Pump
Pumping Speed33 L/min
Ultimate Vacuum6 mbar
External Dimensions270 × 250 × 210 mm
Motor Power200 W
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
ModelZGC-150
Illumination MethodTriple-Side Illumination
Light SourceFluorescent Lamps
Spectral RangeVisible Spectrum (400–700 nm)
Temperature Control Range10–65°C (with illumination), 0–65°C (without illumination)
Temperature Fluctuation±0.5°C
Temperature Uniformity±1.5°C
Illuminance Range0–12,000 lx
Illuminance Adjustment6-Step Manual Control
Chamber Capacity150 L
External Dimensions (W×D×H)710 × 680 × 1505 mm
Power SupplyAC 220 V, 50 Hz
Input Power1500 W
Internal Chamber Dimensions (W×D×H)500 × 400 × 750 mm
Standard Shelves3 Adjustable Stainless Steel Trays
Standard LightCool White Fluorescent (Correlated Color Temperature ≈ 6500 K)
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTGF-9053A
Instrument TypeGeneral-Purpose Forced-Air Oven
Temperature RangeRT+10°C to 280°C
Temperature Uniformity±2.5°C (at 100°C, empty chamber)
Temperature Fluctuation±1°C
Temperature Resolution0.1°C
Chamber Dimensions (W×D×H)420 × 350 × 390 mm
External Dimensions (W×D×H)705 × 610 × 530 mm
Inner Chamber MaterialMirror-Finish Stainless Steel
Heating MethodForced-Air Circulation
Operating Ambient Temperature+5°C to +40°C above ambient
Vacuum CapabilityNot applicable (non-vacuum oven)
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelB16-5P
Instrument TypeBox-Type Muffle Furnace
Maximum Temperature1600°C
Temperature Control Accuracy±1°C
Rated Power8 kW
Time to Max Temperature70 min
Heating ElementSilicon Molybdenum (MoSi₂) Rods
Internal Chamber Dimensions150 × 300 × 120 mm (W × D × H)
Control SystemMicrocomputer-Based PID Controller
Nominal Volume5 L
Tube DiameterNot applicable (box-type furnace)
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product TypeOil-Lubricated Rotary Vane Pump
Pumping Speed8 m³/h (2.2 L/s)
Ultimate Total Pressure (with Gas Ballast)10 Pa
External Dimensions440 × 144 × 217 mm
Weight21 kg
Motor Power0.4 kW
Electrical SupplySingle- or Three-Phase, 50/60 Hz
Protection RatingIP44
Inlet/Outlet PortKF16/KF25
Oil Capacity0.6–1.0 L
Noise Level≤52 dB(A)
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTZF-6125L
Instrument TypeVacuum Oven
Temperature RangeRT+10 to 250 °C
Temperature Fluctuation±0.5 °C
External Dimensions660 × 640 × 1290 mm
Control Temperature RangeRT+10 to 250 °C
Internal Chamber Dimensions500 × 500 × 500 mm
Temperature Resolution0.1 °C
Operating Ambient Temperature+5 to 40 °C above ambient
Chamber Material304 Stainless Steel
Heating MethodExternal (Perimeter) Heating
Temperature Uniformity±1 °C
Ultimate Vacuum Level≤133 Pa
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