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Shanghai Zhetu Scientific Instrument Co., Ltd.

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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeAutomated Anaerobic Incubator
Operating Temperature RangeRT + 3°C to 65°C
Temperature Uniformity & Stability±0.5°C
Oxygen Concentration Range0.1–25% (displayable in % or ppm)
Chamber Dimensions (W×D×H)800 × 690 × 660 mm
Gas SystemDry, oil-free vacuum pump
Anaerobic PerformanceO₂ ≤ 1% achievable
Control InterfaceFull-color capacitive touchscreen with real-time O₂/temperature display, local atmospheric pressure readout, and touch-activated solenoid valve control
Safety FeaturesOver-temperature alarm (audible/visual), auto power recovery with parameter memory, UV sterilization lamp, 12 mm tempered front window, 304 stainless steel inner chamber
Compliance EnablersSupports GLP/GMP documentation workflows
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeManual Anaerobic Incubator
Temperature RangeRT + 3°C to 52°C
Temperature Uniformity & Fluctuation±0.3°C
Humidity Range20–90% RH
O₂ Concentration Range0–100%
Gas SupplyAnaerobic gas mixture (80% N₂, 10% CO₂, 10% H₂) and pure N₂
Chamber Dimensions (W×D×H)490 × 760 × 530 mm
O₂ Detection Resolution0.1%
O₂ Control Accuracy±0.1%
Catalyst Lifetime>3 years without thermal activation
Anaerobic Equilibration Time≤30 min to ≤5 ppm O₂
Transfer Lock Capacity6 L chamber (supports 22 × 90 mm Petri dishes or 3 × 500 mL screw-cap bottles)
UV Sterilization254 nm integrated lamp with programmable timing
FiltrationHEPA-grade air filtration system
Data Logging45-day internal history storage with USB export capability
Safety InterlocksDual-door pneumatic seal with vacuum-assisted gasket, mechanical/electronic interlock logic
Validation InterfaceStandardized 4–20 mA / RS485 ports for third-party probe integration
Operating SystemBilingual (Simplified Chinese & English), three-tier user permission management
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeManual Anaerobic Incubator
ModelZAI-350R
Temperature Range4–60°C
Temperature Uniformity±1°C
Temperature Stability±0.5°C
O₂ Concentration Range0.1–25%
Gas SupplyPre-mixed Gas (5% H₂ + 10% CO₂ + 85% N₂)
Chamber Dimensions (W×D×H)800 × 690 × 660 mm
Operating Voltage220 V, 50 Hz
Power Consumption650 W
Anaerobic Maintenance Duration>12 h (after gas supply cessation)
Vacuum PumpOil-free dry diaphragm pump
Viewing Window725 × 275 mm tempered glass (12 mm thick)
Construction304 stainless steel inner chamber, cold-rolled steel outer shell with electrostatic powder coating
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeManual Anaerobic Incubator
ModelZAI-350-II
Temperature RangeRT+3°C to 60°C
Temperature Uniformity & Fluctuation±1°C
Oxygen Concentration Range0.1–20% (v/v)
Gas Supply OptionsSingle-gas (premixed anaerobic gas: 5% H₂ + 10% CO₂ + 85% N₂) or dual-gas (separate N₂ and premixed gas cylinders)
Chamber Dimensions (W×D×H)800 × 690 × 660 mm
Anaerobic Maintenance Duration>12 h after gas supply cessation
Vacuum PumpOil-free dry diaphragm pump
Viewing Window12 mm tempered glass
Interior Material304 stainless steel
UV SterilizationIntegrated germicidal lamp
Control InterfaceLCD display with touch-enabled operation (ZAI-350-II variant includes real-time O₂ % readout and local atmospheric pressure monitoring)
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BrandDRETOP
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeManual Anaerobic Incubator
ModelACW-350Pro-II
Temperature RangeRT + 3°C to 65°C
Temperature Uniformity±1°C
Temperature Stability±0.5°C
O₂ Concentration Range0.1–25% (displayable in % or ppm)
Gas SupplyPre-mixed gas (5% H₂ + 10% CO₂ + 85% N₂)
Chamber Dimensions (W×D×H)800 × 690 × 660 mm
Internal Chamber Material304 Stainless Steel
Viewing Window12 mm Tempered Glass
Vacuum PumpOil-free Dry Diaphragm Pump
Power Supply220 V, 50 Hz
Input Power650 W
Anaerobic Maintenance Duration>12 h after gas supply cessation
Oxygen Reduction Time (Transfer Chamber)≤5 min
Oxygen Reduction Time (Main Chamber)≤50 min
UV SterilizationIntegrated
Touchscreen InterfaceFull-color capacitive touchscreen with real-time atmospheric pressure display
ComplianceDesigned for GLP-compliant workflows
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