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Shanghai Zhetu Scientific Instrument Co., Ltd.

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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
Country of OriginChina
ModelTDC-3050
Instrument TypeCirculating Constant-Temperature Bath
Circulation ModeInternal & External
Temperature ControlRefrigeration & Heating
Bath Capacity50 L
Temperature Range−30 °C to 100 °C
Temperature Stability±1 °C
Temperature Resolution0.1 °C
Power Supply220 V, 50 Hz
Refrigeration Capacity at 20 °C (Water)5200 W
Pump Flow Rate13 L/min
Internal Dimensions (L×W×D)500 × 370 × 300 mm
Opening Dimensions350 × 300 mm
ConstructionFull Stainless Steel Interior & Work Surface, Powder-Coated Steel Exterior
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Region of OriginDomestic (China)
ModelTDK-B22
Instrument TypeConstant-Temperature Bath
Circulation FunctionExternal Circulation
Temperature ControlHeating-Only
Bath Capacity22 L
Temperature RangeRT+5 to 65 °C
Temperature Stability±0.2 °C
Temperature Resolution0.1 °C
Input Power1100 W
Power SupplyAC 220 V, 50 Hz
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Country of OriginChina
ModelTDK-B30
Instrument TypeImmersion Constant-Temperature Bath
Circulation FunctionNon-Circulating
Temperature ControlHeating-Only
Bath Volume30 L
Temperature RangeRT + 5 °C to 65 °C
Temperature Stability±0.2 °C
Temperature Resolution0.1 °C
Input Power1550 W
Supply VoltageAC 220 V, 50 Hz
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTDC-2050
Instrument TypeConstant-Temperature Bath
Circulation ModeInternal & External Circulation
Temperature ControlRefrigeration & Heating
Bath Volume50 L
Temperature Range−20 °C to 100 °C
Temperature Stability±1 °C
Temperature Resolution0.1 °C
Power Supply220 V, 50 Hz
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Country of OriginChina
ModelFRC-50-120
Instrument TypeConstant-Temperature Bath
Circulation ModeInternal & External Circulation
Temperature ControlRefrigeration & Heating
Bath Volume50 L
Temperature Range−120 °C to +100 °C
Temperature Stability±0.1 °C
Temperature Resolution0.1 °C
Power Supply380 V AC, 50 Hz
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelFRC-5-10
Instrument TypeConstant-Temperature Bath
Circulation ModeInternal & External Circulation
Temperature ControlRefrigeration & Heating
Bath Volume5 L
Temperature Range−10 °C to 100 °C
Temperature Stability±0.1 °C
Temperature Resolution0.1 °C
Power Supply220 V, 50 Hz
Opening DiameterØ210 mm
Pump Flow Rate10 L/min
Pump Head4–6 m
Refrigeration Capacity1248–319 W
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTDC-4020U
Instrument TypeCirculating Temperature Bath
Circulation ModeInternal & External
Temperature ControlRefrigeration + Heating
Bath Volume15 L
Temperature Range−40 °C to 100 °C
Temperature Stability±0.02 °C
Temperature Resolution0.01 °C
Power SupplyAC 220 V
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTDC-2006
Instrument TypeCirculating Constant-Temperature Bath
Circulation ModeInternal & External
Temperature ControlRefrigeration & Heating
Bath Capacity6 L
Temperature Range−20 °C to 100 °C
Temperature Stability±1 °C
Temperature Resolution0.1 °C
Power Supply220 V, 50 Hz
Refrigeration Capacity (at 20 °C)1200 W
Pump Flow Rate13 L/min
Inner Chamber Dimensions (L×W×D)200 × 200 × 180 mm
Opening Dimensions180 × 140 mm
ConstructionFull Stainless Steel Interior & Work Surface, Powder-Coated Exterior
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Equipment TypeCirculating Bath
Circulation ModeInternal & External
Temperature ControlRefrigeration + Heating
Bath Volume10 L
Temperature Range−20 °C to 100 °C
Temperature Stability±0.1 °C
Temperature Resolution0.1 °C
Power Supply220 V AC, 50 Hz
Pump Flow Rate20 L/min
Maximum Head4–6 m
Opening DiameterΦ250 mm
Refrigeration Capacity (at −20 °C)2100 W
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTDC-0530M
Instrument TypeCirculating Temperature Bath
Circulation ModeInternal & External
Temperature ControlRefrigeration + Heating
Bath Volume30 L
Temperature Range−5 °C to 100 °C
Temperature Resolution0.1 °C
Power Supply220 V, 50 Hz
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTDC-1020
Instrument TypeConstant-Temperature Bath
Circulation ModeInternal & External
Temperature ControlRefrigeration & Heating
Bath Volume20 L
Temperature Range−10 °C to 100 °C
Temperature Stability±1 °C
Temperature Resolution0.1 °C
Power Supply220 V, 50 Hz
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTDC-3006
Instrument TypeCirculating Constant-Temperature Bath
Circulation ModeInternal & External
Temperature ControlRefrigeration + Heating
Bath Volume6 L
Temperature Range−30 °C to 100 °C
Temperature Stability±1 °C
Temperature Resolution0.1 °C
Power Supply220 V, 50 Hz
Refrigeration Capacity (at 20 °C)1700 W
Pump Flow Rate13 L/min
ConstructionStainless Steel Interior & Work Surface, Powder-Coated Exterior
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Region of OriginDomestic (China)
ModelEWS-16
Instrument TypeWater Bath / Oil Bath
Circulation FunctionNone
Temperature Control ModeHeating-Only
Bath Capacity6 × 1000 mL
Temperature RangeAmbient to 100 °C
Temperature Stability±0.1 °C
Temperature Resolution0.1 °C
Input Power6 × 100 W (600 W total)
Supply Voltage220 V AC, 50 Hz
Stirring Speed Range300–3000 rpm
Stirring ShaftStainless Steel (Ø6 × 200 mm)
MountingAdjustable Vertical Stand with Non-Slip Base
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeOEM/ODM Manufacturer
Product CategoryDomestic
ModelTDC-1015
Instrument TypeCirculating Temperature Bath
Circulation ModeInternal & External Loop
Temperature ControlRefrigeration + Heating
Bath Volume15 L
Temperature Range−10 °C to 100 °C
Temperature Stability±1 °C
Temperature Resolution0.1 °C
Power Supply220 V, 50 Hz
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTDC-1006
Instrument TypeCirculating Constant-Temperature Bath
Circulation ModeInternal & External
Temperature ControlRefrigeration & Heating
Bath Volume6 L
Temperature Range−10 °C to 100 °C
Temperature Stability±1 °C
Temperature Resolution0.1 °C
Power Supply220 V, 50 Hz
Refrigeration Capacity (at 20 °C)800 W
Pump Flow Rate13 L/min
ConstructionStainless Steel Interior & Deck, Powder-Coated Exterior
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeCirculating Constant-Temperature Bath
Circulation ModeInternal & External Circulation
Temperature ControlRefrigeration & Heating Dual-Mode
Bath Volume20 L
Temperature Range−60 °C to +100 °C
Temperature Stability±0.1 °C
Temperature Resolution0.1 °C
Power Supply220 V AC, 50 Hz
Pump Flow Rate20 L/min
Maximum Head6 m
Refrigeration Capacity at −60 °C4120 W
Heating PowerConsult Technical Support
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Region of OriginDomestic (China)
ModelDK4-30-II
Instrument TypeNon-Circulating Heated Water Bath
Bath Volume30 L
Temperature RangeRT + 5°C to 100°C
Temperature Stability±0.3°C
Temperature Resolution0.1°C
Input Power2000 W
Supply VoltageAC 220 V, 50 Hz
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTDK-XB54
Instrument TypeConstant-Temperature Bath
Circulation FunctionExternal Circulation
Temperature ControlHeating-Only
Bath Volume54 L
Temperature RangeRT + 5 °C to 100 °C
Temperature Resolution0.1 °C
Input Power4000 W
Supply VoltageAC 220 V, 50 Hz
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTDC-3015
Instrument TypeCirculating Constant-Temperature Bath
Circulation ModeInternal & External
Temperature ControlRefrigeration & Heating
Bath Capacity15 L
Temperature Range−30 °C to 100 °C
Temperature Stability±1 °C
Temperature Resolution0.1 °C
Power Supply220 V, 50 Hz
Refrigeration Capacity (at 20 °C)2700 W
Pump Flow Rate13 L/min
Internal Chamber Dimensions (L×W×D)300 × 280 × 180 mm
Opening Dimensions260 × 220 mm
ConstructionFull Stainless Steel Interior & Deck, Powder-Coated Exterior
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeOEM/ODM Manufacturer
Product CategoryDomestic
ModelTDCW-0510
Instrument TypeConstant-Temperature Bath
Circulation ModeInternal & External Circulation
Temperature ControlRefrigeration & Heating
Bath Volume10 L
Temperature Range−5 °C to 100 °C
Temperature Stability±0.5 °C
Temperature Resolution0.1 °C
Input Power1500 W
Voltage220 V AC
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTDC-0510
Instrument TypeConstant-Temperature Bath
Circulation ModeInternal & External Circulation
Temperature ControlRefrigeration & Heating
Bath Volume10 L
Temperature Range−5 °C to 100 °C
Temperature Stability±1 °C
Temperature Resolution0.1 °C
Power Supply220 V, 50 Hz
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTDK-8AX
Instrument TypeHeating Water Bath
Circulation FunctionNon-circulating
Temperature Control ModeHeating-only
Bath Volume22 L
Temperature RangeRT+5°C to 100°C
Temperature Stability±0.5°C
Temperature Resolution0.1°C
Input Power1500 W
Supply Voltage220 V, 50 Hz
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelTDK-8AD
Instrument TypeConstant-Temperature Bath
Circulation FunctionNon-Circulating
Temperature Control ModeHeating-Only
Bath Volume30 L
Temperature RangeRT+5°C to 100°C
Temperature Stability±0.5°C
Temperature Resolution0.1°C
Input Power2000 W
Supply VoltageAC 220 V, 50 Hz
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