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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
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
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
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 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
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
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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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTZF-6210L
Instrument TypeVacuum Oven
Temperature RangeRT+10 to 250 °C
Temperature Fluctuation±0.5 °C
External Dimensions720 × 735 × 1560 mm
Control Temperature RangeRT+10 to 250 °C
Internal Chamber Dimensions560 × 600 × 640 mm
Temperature Resolution0.1 °C
Operating Ambient Temperature+5 to 40 °C above ambient
Inner Chamber Material304 Stainless Steel
Heating MethodExternal (Perimeter) Heating
Temperature Uniformity±1 °C
Ultimate Vacuum Level≤133 Pa
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
ModelTDC-0506
Instrument TypeCirculating Temperature Bath
Circulation ModeInternal & External
Temperature ControlRefrigeration + Heating
Bath Volume6 L
Temperature Range−5 °C to 100 °C
Temperature Stability±0.1 °C
Temperature Resolution0.1 °C
Power Supply220 V, 50 Hz
Construction304 Stainless Steel Interior & Work Surface
Display & ControlLCD Touch Panel with PID Algorithm
Safety ProtectionsOver-temperature alarm, low-level fluid detection, compressor overheat/overcurrent protection, power-fail memory
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTZS-6430LP
Instrument TypeVacuum Oven
Temperature RangeRT+10 to 250 °C
Temperature Fluctuation±0.5 °C
External Dimensions1000 × 1040 × 1855 mm
Control Temperature RangeRT+10 to 250 °C
Internal Chamber Dimensions630 × 810 × 845 mm
Temperature Resolution0.1 °C
Operating Ambient Temperature5–45 °C
Interior Material304 Stainless Steel
Heating MethodExternal Radiant Heating
Temperature Uniformity±1 °C
Ultimate Vacuum Level≤133 Pa
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeBox-Type Muffle Furnace
Maximum Temperature1300 °C
Temperature Control Accuracy±1 °C
Rated Power6 kW
Heating Time to Max Temp50 min
Heating ElementSilicon Carbide (SiC) Rods
Internal Chamber Dimensions150 × 300 × 150 mm (W × D × H)
Nominal Volume6.75 L
Control SystemMicroprocessor-Based PID Controller with Digital Display
Programmable Ramp/Soak30-Stage Program Controller (NV-I Series)
Safety FeaturesDual-Stage Over-Temperature Protection, Door-Interlocked Power Cut-off, Real-Time Voltage/Current Monitoring,断电记忆功能 (Power-Fail Memory)
ConstructionRefractory Brick Lining, Four-Sided SiC Rod Heating, Stainless Steel Inner Sealing (2 mm), Phosphate-Coated & Powder-Coated Steel Housing
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeHigh-Temperature Oven
Temperature RangeRT+20°C to 400°C
Temperature Uniformity±2.5°C (at 100°C, empty chamber)
Temperature Fluctuation±1°C
Temperature Resolution0.1°C
Chamber Dimensions (W×D×H)500×600×750 mm
External Dimensions (W×D×H)920×860×1150 mm
Operating Ambient Temperature5–45°C
Interior MaterialBrushed Stainless Steel (SUS304)
Heating MethodForced-Air Convection with Dual Airflow Channels
InsulationHigh-Density Glass Fiber
Sealing MaterialHigh-Temp Silicone Rubber Gasket
Safety ProtectionsOver-Temperature Alarm, Leakage Protection, Short-Circuit Protection, Overload Protection, Power-Fail Data Retention
Optional AccessoriesUSB Data Export Interface, Programmable Touchscreen Controller, RS485 Communication Port, Thermal Printer, Independent Limit Temperature Controller
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product TypeOil-Free Vacuum Pump System
Pumping Speed167 L/s
Ultimate Pressure≤1 Pa
Motor Power4.5 kW / 2 kW (Screw + Roots stages)
CoolingWater-Cooled
ComplianceISO 2858, ASTM F2439-22 (Vacuum Systems for Process Equipment), CE marked per EU Machinery Directive 2006/42/EC
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product TypeIntegrated Circulating Chiller
Cooling MethodWater-Cooled
Temperature Range5–100 °C
Refrigeration Capacity3 HP (≈2.24 kW)
Reservoir Volume50 L
Circulation Pressure0–2 bar
Flow Rate0–30 L/min
Operating ModeContinuous
ConstructionStainless Steel Inner Tank & Work Surface
Control SystemPID-Based Digital Temperature Controller
Communication InterfaceRS485
Heating MethodImmersed Electric Heater
Compressor TypeVariable-Frequency Scroll Compressor
Safety ProtectionsOver-Temperature, Low-Level, Leak, Short-Circuit, and High-Pressure Alarms
IP RatingIP54
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
ModelUR5-30JVS
Instrument TypeVacuum Oven
Temperature RangeRT+10°C to 500°C
Temperature Uniformity±1°C
Temperature Fluctuation±1°C
Temperature Resolution0.1°C
Vacuum Level≤133 Pa
Internal Chamber Dimensions320 × 320 × 300 mm (W×D×H)
Inner Chamber MaterialStainless Steel (AISI 304)
Heating MethodForced-Air Circulation
Working Ambient Temperature5–40°C
Power SupplyAC 220 V, 50 Hz
Rated Power3370 W
Standard AccessoriesRecirculating Water Cooling Unit, Rotary Vane Vacuum Pump, J-Type Intermediary Condensate Trap
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
ModelTER-30S
Heating Power1200 W
Temperature ControlPID Microprocessor Controller
Max Operating Temperature400 °C
Heating Zone Dimensions300 × 300 mm
Overall Dimensions300 × 355 × 130 mm
DisplayDigital LED
Surface MaterialCeramized Glass (Microcrystalline Glass)
ConstructionIntegrated One-Piece Design with Corrosion-Resistant 316L Stainless Steel Frame
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