Common Laboratory Equipment
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| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | TH-300 |
| Pricing | Available Upon Request |
| Hydrogen Purity | 99.999% |
| Flow Rate | 0–300 mL/min |
| Output Pressure | 0–0.4 MPa |
| Pressure Stability | < 0.001 MPa |
| Power Supply | 220 V ±10%, 50 Hz |
| Power Consumption | 150 W |
| Dimensions (W×D×H) | 400 × 360 × 220 mm |
| Net Weight | ~14 kg |
| Electrolyte Technology | Solid Polymer Electrolyte (SPE) |
| Water Feed | Deionized/Distilled Water Only |
| Internal Sealing | Low-Sulfur Silicone Rubber Gaskets |
| Control System | Integrated Pressure & Flow Regulation |
| Safety Features | Auto Shut-off at Low Water Level |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | TH-300A |
| Price | USD 250 (FOB Shanghai) |
| Dimensions | 211 × 160 × 250 mm |
| Gradient Volume Capacity | 600 mL |
| Gradient Profile | Linear only |
| Material Compatibility | Certified for continuous use with common organic solvents (e.g., acetonitrile, methanol, chloroform, ethyl acetate, DMSO, THF) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | TH-500 |
| Pricing | Available Upon Request |
| Hydrogen Purity | 99.999% |
| Flow Rate | 0–500 mL/min |
| Output Pressure | 0–0.4 MPa |
| Pressure Stability | < 0.001 MPa |
| Power Supply | 220 V ±10%, 50 Hz |
| Power Consumption | 200 W |
| Dimensions (W×D×H) | 400 × 360 × 220 mm |
| Net Weight | ~14 kg |
| Electrolyte Technology | Solid Polymer Electrolyte (SPE) |
| Water Feed | Deionized (DI) water only |
| Sealing Material | Low-sulfur silicone elastomer gaskets |
| Control System | Integrated pressure & flow regulation with auto-water-level shutdown |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | TH-500A |
| Gradient Volume | 1000 mL |
| Gradient Profile | Linear Only |
| Dimensions (L×W×H) | 291 × 180 × 205 mm |
| Material Compatibility | Chemically Resistant to Common Organic Solvents (e.g., Acetonitrile, Methanol, Chloroform, Ethyl Acetate, DMSO) |
| Brand | ThalesNano |
|---|---|
| Origin | Imported (Hungary) |
| Model | H-Cube Mini |
| Temperature Range | 25–100 °C |
| Pressure Range | 1–100 bar (1450 psi) |
| Flow Rate | 0.1–3 mL/min |
| H₂ Generation Rate | 0–30 cm³/min |
| Control Interface | Integrated Touchscreen with Real-time Parameter Adjustment |
| Catalyst Format | Cartridge-based Fixed-Bed Reactor |
| Safety Certification | CE, IEC 61010-1 Compliant |
| Brand | ThalesNano |
|---|---|
| Origin | Hungary |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | H-Cube Pro |
| Price Range | USD 65,000 – 105,000 |
| Reaction Throughput | 10 mg – 100 g |
| Temperature Range | Ambient to 150 °C |
| Pressure Range | Up to 100 bar |
| Flow Rate | Up to 3 mL/min |
| System Material | Standard 316L Stainless Steel |
| Power Supply | 110–220 V, 47–63 Hz |
| Electrolyte Requirement | Deionized water (conductivity ≤ 0.0714 µS/cm) |
| H₂ Concentration Control | Adjustable volumetric % in H₂/substrate stream |
| Safety Features | Integrated H₂ leak detection, automatic H₂ purge post-run, sealed CatCart catalyst cartridges |
| Brand | ThalesNano |
|---|---|
| Model | H-GENIE |
| Gas Generation Principle | Pure Water Electrolysis |
| Output Flow Rate | 0.02–1 NL/min |
| Output Pressure | 1–100 bar |
| Hydrogen Purity | ≥99.99% (4.0 grade) |
| Power Consumption | ≤1500 VA |
| Dimensions | 345 × 365 × 460 mm |
| Weight | 38 kg |
| Water Requirement | Deionized water (1–10 µS/cm conductivity) |
| Internal Water Reservoir | 3 L |
| Ambient Operating Conditions | 5–40 °C, <80% RH |
| Electrical Supply | 100–240 V AC, 47–63 Hz |
| Gas Outlet | 1/8″ OD tubing, male NPT-compatible fitting |
| Brand | ThalesNano |
|---|---|
| Origin | Imported (Hungary) |
| Model | H-Genie |
| Hydrogen Generation Principle | Proton Exchange Membrane (PEM) Electrolysis with Patented Pressurized Cell Technology |
| Output Flow Rate | 0.1–1 NL/min |
| Output Pressure | 1–100 bar (14.5–1450 psi) |
| Hydrogen Purity | ≥99.99% (Grade 4.0, verified at 100 bar) |
| Power Consumption | Up to 1500 VA |
| Water Requirement | Deionized water, conductivity <1 µS/cm |
| Water Consumption | <200 mL/hr |
| Internal Water Reservoir | 3 L |
| Dimensions (W×D×H) | 345 × 365 × 460 mm |
| Weight | 38 kg |
| Electrical Input | 100–240 V AC, 47–63 Hz |
| Operating Environment | 10–35 °C, <80% RH |
| Safety Features | Integrated hydrogen leak detector with automatic shutdown |
| Gas Outlet | 1/8" OD tubing connection with male NPT thread |
| Brand | ThalesNano |
|---|---|
| Origin | Hungary |
| Model | PhotoCube |
| Temperature Range | 20–80 °C |
| Reaction Mode | Batch & Flow |
| Batch Volumes | 4 mL & 25 mL (glass) |
| Flow Loop Volume | 5–25 mL |
| Loop Material Options | FEP or PFA |
| Wavelengths | 365, 395, 457, 500, 523, 595, 623 nm + White LED |
| Max LED Power per Channel | 128 W |
| User-Configurable Parameters | Wavelength Selection, Irradiance Intensity, Stirring Speed, Temperature Setpoint & Feedback Control |
| Safety Features | Interlocked Light Shielding, UV/Visible Radiation Containment |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | 100L |
| Price Range | USD 14,000–21,000 (FOB) |
| Instrument Classification | Integrated Solvent Recovery System |
| Usable Volume | Large-Scale |
| Construction Material | Borosilicate Glass 3.3 |
| Operating Pressure | Medium Vacuum |
| Capacity | 100 L |
| Ultimate Vacuum | -0.098 MPa (i.e., ≤ 2 kPa absolute) |
| Temperature Range | -80 °C to +200 °C |
| Jacket Volume | ~30 L |
| Condenser Heat Transfer Area | 0.954 m² |
| Feed Tank Volume | 10 L |
| Dual Collection Flasks | 2 × 20 L |
| Stirring Motor | 370 W, Explosion-Proof (Exd II BT4), 50–500 rpm, Frequency-Controlled |
| Stirrer Type | Triple-blade PTFE-coated Propeller |
| Sealing Material | PTFE |
| Frame Material | SUS304 Stainless Steel |
| Temperature Sensor | Pt100, ±0.1 °C display resolution |
| Power Supply | 220–240 V~, 50/60 Hz |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Overall Dimensions (W×D×H) | ~2200 × 900 × 2800 mm |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | CLZZ-20 |
| Instrument Category | Other Reactors |
| Usable Volume | Medium-Scale |
| Construction Material | Borosilicate Glass 3.3 (Glass Components), SUS304 Stainless Steel + 6061-F Aluminum Frame |
| Operating Pressure | Low Vacuum to Atmospheric |
| Capacity | 20 L Total System Capacity |
| Ultimate Vacuum | −0.098 MPa (≈ 20 mbar abs) |
| Filter Disc | PTFE Fritted Disc, 20–30 µm Porosity |
| Filtration Vessel Diameter | Ø300 mm |
| Collection Flask Volume | 10 L |
| Temperature Range | −80 °C to +200 °C |
| Frame Dimensions (W×D×H) | Approx. 650 × 650 × 1500 mm |
| Port Standards | 40# Flange (Liquid Feed), 24/29# Standard Taper Ground Joints (Vacuum & Vent) |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | CT-40-V4 |
| Price | Upon Request |
| Empty Load Temperature | −40 °C |
| Cooling Method | Indirect (Glass Flask Immersion) |
| Temperature Display | Digital, Pt100 Sensor |
| Temperature Setting Range | Adjustable Within Operating Range |
| Safety Protections | Delay Start, Overcurrent, Overheat, High-Pressure Cut-off |
| Refrigerant | R404A |
| Cooling Capacity | 300 W at −10 °C, 250 W at −20 °C, 150 W at −30 °C, 50 W at −35 °C |
| Cryobath Dimensions | Ø160 × 250 mm |
| Cold Trap Flask Dimensions | Ø50 × 300 mm (Qty: 3) |
| Flask Material | Borosilicate Glass 3.3 (DIN ISO 3585) |
| Cryobath Material | 06Cr19Ni10 (AISI 304 Stainless Steel) |
| Drain Valve | Integrated |
| Vacuum Port | Ø12 mm Soft Tubing Fitting |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 220 V~, 60 Hz |
| Total Power Consumption | 730 W |
| Rated Current | 4.2 A |
| Overall Dimensions (W×D×H) | 350 × 470 × 811 mm |
| Net Weight | 45 kg |
| Additional Functions | Pre-freezing Bath, Low-Temperature Constant-Temperature Bath |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | CT-40x |
| Pricing | Upon Request |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | CT-5000L |
| Pricing | Upon Request |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | CZLL-20 |
| Capacity | 30 L |
| Construction Material | Borosilicate Glass (Reaction Vessel), Stainless Steel (Frame) |
| Operating Pressure Range | Medium Vacuum |
| Ultimate Vacuum | 0.098 MPa (98 kPa absolute) |
| Vessel Volume Class | Medium-Scale |
| Filter Plate Options | Interchangeable Standard Sizes (e.g., Ø100 mm, Ø150 mm, Ø200 mm) |
| Filtration Visibility | Full Visual Process Monitoring Through Glass Body |
| Compliance | Designed for GLP-aligned laboratory workflows |
| Service Support | 1-Year Limited Warranty (excludes glass components), Lifetime Technical Support and Repair Services |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Equipment Type | Vertical Cryogenic Thermostat |
| Temperature Range | −100 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Temperature Uniformity | ±2 °C |
| Bath Opening Diameter | Ø210 mm |
| Bath Volume | 5 L |
| External Dimensions | 630 W × 795 D × 790 H mm |
| Net Weight | 125 kg |
| Circulating Medium | Mixed Refrigerant |
| Stirring Power | 50 W |
| Stirring Speed | 100–1000 rpm |
| Cooling Capacity | 110 W at −60 °C / 50 W at −80 °C / 20 W at −100 °C |
| Rated Power | 820 W |
| Protection Features | Delayed Start, Overcurrent & Overtemperature Protection |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz |
| Bath Material | 304 Stainless Steel |
| Max. Flask Capacity | ≤2000 mL |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-1005 |
| Instrument Category | Constant-Temperature Bath |
| Circulation Function | External Circulation |
| Temperature Control | Refrigeration & Heating |
| Bath Volume | 5 L |
| Temperature Range | −100 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-1005 |
| Quotation | Upon Request |
| Temperature Range | −100 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Bath Volume | 5 L |
| Refrigerant | Mixed Refrigerant System |
| Cooling Capacity | 110 W at −60 °C, 50 W at −80 °C, 20 W at −100 °C |
| Magnetic Stirring Power | 50 W |
| Stirring Speed | 100–1000 rpm |
| Rated Power | 820 W |
| Protection Features | Delay Start, Overcurrent & Overtemperature Protection |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz |
| Drain Port | 1/2″ NPT |
| Bath Opening Diameter | Ø210 mm |
| Bath Dimensions (Ø×H) | Ø220 × 180 mm |
| Max Flask Capacity | 2000 mL |
| Bath Material | 304 Stainless Steel |
| Overall Dimensions (W×D×H) | 630 × 795 × 790 mm |
| Net Weight | 125 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-1010 |
| Price Range | USD 7,000–14,000 |
| Temperature Range | −100 °C to −60 °C |
| Ambient Operating Temperature | 5–25 °C |
| Temperature Stability | ±2 °C |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Reservoir Capacity | 10 L |
| Reservoir Dimensions | Φ250 mm × 250 mm (H) |
| Opening Diameter | Φ210 mm |
| Cooling Capacity | 160 W at −60 °C / 70 W at −80 °C / 40 W at −100 °C |
| Max. Flask Size Supported | 3000 mL |
| Total Power Consumption | 2050 W |
| Housing Material | Cold-rolled steel with electrostatic powder coating |
| External Dimensions (L×W×H) | 780 × 670 × 1085 mm |
| Net Weight | 150 kg |
| Circulation System | 304 stainless steel + polymer-based corrosion-resistant components |
| Low-Temp Operation Limitation | No circulation below −100 °C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-1020 |
| Price Range | USD 7,000–14,000 |
| Temperature Range | −100 °C to −60 °C |
| Ambient Operating Temperature | 5–25 °C |
| Temperature Stability | ±2 °C |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Bath Volume | 20 L |
| Bath Dimensions (Ø × H) | 300 mm × 300 mm |
| Opening Diameter | 280 mm |
| Cooling Capacity | 600 W at −60 °C |
| Max Flask Capacity | 5000 mL |
| Total Power Consumption | 3234 W |
| Housing Material | Cold-rolled steel with electrostatic epoxy coating |
| External Dimensions (L×W×H) | 1200 × 810 × 1310 mm |
| Net Weight | 154 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DHJF-1030 |
| Instrument Type | Constant-Temperature Bath |
| Circulation Mode | Internal Circulation |
| Temperature Control | Refrigeration & Heating Combined |
| Bath Volume | 30 L |
| Temperature Range | −100 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Refrigeration Capacity | 620 W at −60 °C, 480 W at −80 °C, 200 W at −100 °C |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Max Flask Capacity | 10,000 mL |
| Tank Dimensions (Ø × H) | 400 × 235 mm |
| Opening Diameter | Ø320 mm |
| Cabinet Material | Cold-Rolled Steel with Electrostatic Powder Coating |
| Overall Dimensions (L×W×H) | 1160 × 800 × 1310 mm |
| Net Weight | 180 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DHJF-1050 |
| Instrument Type | Constant-Temperature Bath |
| Circulation Mode | Internal Circulation |
| Temperature Control | Refrigeration & Heating |
| Bath Volume | 50 L |
| Temperature Range | −100 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Cooling Capacity | 700 W at −60 °C / 580 W at −80 °C / 420 W at −100 °C |
| Max Flask Capacity | 20 L |
| External Dimensions (L×W×H) | 1340 × 820 × 1310 mm |
| Net Weight | 265 kg |
| Construction | Cold-Rolled Steel with Electrostatic Powder Coating |
| Bath Vessel | 304 Stainless Steel + High-Molecular Corrosion-Resistant Liner |
| Display | Digital LED with Keypad Input |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-1210 |
| Price Range | USD 7,000–14,000 |
| Temperature Range | −120 °C to −60 °C |
| Ambient Operating Temperature | 5–25 °C |
| Temperature Stability | ±2 °C |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Bath Volume | 10 L |
| Bath Dimensions (Ø × H) | 250 mm × 250 mm |
| Opening Diameter | 210 mm |
| Cooling Capacity | 160 W at −60 °C / 70 W at −80 °C / 40 W at −100 °C / 20 W at −120 °C |
| Max Flask Capacity | 3000 mL |
| Total Power Consumption | 2050 W |
| Housing Material | Cold-rolled steel with electrostatic epoxy coating |
| External Dimensions (L×W×H) | 780 × 670 × 1085 mm |
| Net Weight | 154 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | DHJF-1210 |
| Pricing | Upon Request |
| Refrigeration Principle | Single-Stage Compressor with Cascade Subcooling |
| Temperature Range | −120 °C to −60 °C |
| Bath Volume | 10 L |
| Temperature Stability | ±2 °C |
| Refrigerant | Mixed Cryogenic Refrigerant |
| Cooling Capacity | 160 W at −60 °C, 70 W at −80 °C, 40 W at −100 °C, 20 W at −120 °C |
| Stirring Power | 50 W |
| Stirring Speed | 100–1000 rpm |
| Display Resolution | 0.1 °C |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Protection | Delayed Start, Overcurrent, Overtemperature |
| Bath Material | 304 Stainless Steel |
| Dimensions (W×D×H) | 670 × 780 × 1085 mm |
| Net Weight | 154 kg |
| Drain Port | 1/2″ NPT |
| Flask Capacity Support | Up to 3000 mL |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-1220 |
| Price Range | USD 7,000–14,000 |
| Temperature Range | −120 °C to −60 °C |
| Ambient Operating Temperature | 5–25 °C |
| Temperature Stability | ±2 °C |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Bath Volume | 20 L |
| Bath Dimensions (Ø × H) | 300 mm × 300 mm |
| Opening Diameter | 280 mm |
| Cooling Capacity | 600 W at −60 °C, 480 W at −80 °C, 180 W at −100 °C, 40 W at −120 °C |
| Max Flask Capacity | 5000 mL |
| Total Power Consumption | 3234 W |
| Housing Material | Cold-rolled steel with electrostatic epoxy coating |
| External Dimensions (L×W×H) | 1200 mm × 810 mm × 1310 mm |
| Net Weight | 190 kg |
| Circulation System | Stainless steel 304 + polymer-based corrosion-resistant components |
| Low-Temperature Operation Limitation | No active circulation below −100 °C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-1220 |
| Temperature Range | -120 °C to -60 °C |
| Bath Volume | 20 L |
| Temperature Stability | ±2 °C |
| Refrigerant | Mixed Cryogenic Refrigerant |
| Cooling Capacity | 600 W at -60 °C, 480 W at -80 °C, 180 W at -100 °C, 40 W at -120 °C |
| Circulation Pump Power | 100 W |
| Flow Rate | 20 L/min |
| Max. Pressure | 0.4 bar |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Total Power Consumption | 4000 W |
| Display | LCD with Keypad Interface |
| Safety Protections | Delayed Start, Overcurrent, Overheat, Phase Sequence Monitoring |
| Bath Material | 304 Stainless Steel |
| External Port Size | 1/2″ |
| Opening Diameter | Ø280 mm |
| Bath Dimensions (Ø×H) | Ø300 × 300 mm |
| Unit Dimensions (W×D×H) | 810 × 1160 × 1310 mm |
| Net Weight | 190 kg |
| Max. Flask Capacity | 5000 mL |
| Recommended Ambient Conditions | 5–35 °C, ≤70% RH |
| Critical Operational Note | External circulation must be disabled when heat transfer fluid temperature falls below -90 °C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-1230 |
| Price | Upon Request |
| Temperature Range | −120 °C to −60 °C |
| Ambient Temperature Range | 5–25 °C |
| Temperature Stability | ±2 °C |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Bath Capacity | 30 L |
| Bath Dimensions (Ø × H) | 400 mm × 235 mm |
| Opening Diameter | 320 mm |
| Cooling Capacity | 620 W at −60 °C |
| Max Flask Size | 10,000 mL |
| Total Power Consumption | 3234 W |
| Housing Material | Cold-Rolled Steel with Electrostatic Powder Coating |
| Overall Dimensions (L×W×H) | 1160 × 800 × 1310 mm |
| Net Weight | 190 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | DHJF-1250 |
| Cooling Capacity | 700 W at −60 °C, 580 W at −80 °C, 420 W at −100 °C, 125 W at −120 °C |
| Temperature Range | −120 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Bath Volume | 50 L |
| Circulation Flow Rate | 20 L/min |
| Max. Pressure | 0.4 bar |
| Pump Power | 100 W |
| Total Power | 4000 W |
| Display Resolution | 0.1 °C |
| Evaporator Type | Coil-in-tank (stainless steel immersion coil) |
| Compressor | Hermetic scroll compressor |
| Condenser | Air-cooled finned-tube with oxygen-free copper tubing |
| Refrigerant | Mixed cryogenic refrigerant blend |
| External Port | 1/2″ NPT |
| Bath Opening Diameter | 400 mm |
| Bath Dimensions (Ø × H) | 450 × 320 mm |
| Max. Flask Capacity | 20 L |
| Bath Material | 304 stainless steel |
| Unit Dimensions (W × D × H) | 1340 × 820 × 1310 mm |
| Net Weight | 265 kg |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Safety Protections | Phase sequence, overcurrent, overtemperature, delayed startup, thermal overload |
| Brand | The Great Wall |
|---|---|
| Model | DHJF-2005 |
| Temperature Range | −20 to 99 °C |
| Temperature Stability | ±0.2 °C |
| Bath Volume | 5 L |
| Circulation Type | Internal & External |
| Temperature Control Mode | Refrigeration + Heating |
| Heating Power | 50 W |
| Power Supply | 220–240 V~, 50 Hz |
| Construction | 304 Stainless Steel Bath & Piping |
| Refrigeration System | Hermetic Piston Compressor (Secop) with Finned Air-Cooled Condenser, Capillary Tube Expansion, and Immersed 304 Stainless Steel Coil Evaporator |
| Heating System | External 304 Stainless Steel Tubular Heater (Compliant with JB/T 4088) with Mechanical Over-Temperature Cut-Off |
| Control System | PID Algorithm with 5-Stage Programmable Ramp/Soak Profiles |
| Display | LCD Interface |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DHJF-2005 |
| Instrument Type | Constant-Temperature Bath |
| Circulation Mode | Internal & External Circulation |
| Temperature Control | Refrigeration & Heating Dual-Mode |
| Bath Volume | 5 L |
| Temperature Range | −20 °C to 99 °C |
| Temperature Stability | ±0.2 °C |
| Total Rated Power | 2130 W |
| Heating Power | 1500 W |
| Refrigerant | R404A |
| Refrigeration Capacity | 570 W @ 10 °C, 470 W @ 0 °C, 385 W @ −10 °C, 230 W @ −20 °C |
| Pump Flow Rate | 20 L/min |
| Pump Pressure | 0.4 bar |
| Magnetic Stirring Power | 50 W |
| Stirring Speed | 100–1000 rpm |
| Input Voltage | 220 V~, 50 Hz |
| Ambient Operating Temperature | 5–35 °C |
| Bath Material | 304 Stainless Steel |
| External Port Thread | Rc1/2 |
| Opening Diameter | Ø210 mm |
| Bath Dimensions (Ø × H) | 250 × 130 mm |
| Max Flask Capacity Supported | 2000 mL |
| Overall Dimensions (W × D × H) | 385 × 560 × 735 mm |
| Net Weight | 55 kg |