Common Laboratory Equipment
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| Brand | Grant |
|---|---|
| Origin | United Kingdom |
| Model | SAP5 |
| Bath Capacity | 5 L |
| Temperature Range | Ambient +5 °C to 99 °C |
| Setpoint Range | 10 °C to 99 °C (0.1 °C resolution) |
| Stability at 37 °C (DIN 12876) | ±0.2 °C |
| Control Type | Digital PID |
| Display | 3-digit LED |
| Power Supply | 120 V or 230 V AC |
| Heating Power | 0.375 kW (120 V) / 0.375 kW (230 V) |
| Drain Valve | Yes |
| Over-Temperature Protection | Adjustable Cut-Off |
| CSA Certified | Yes |
| External Dimensions (L×W×D) | 145 × 290 × 115 mm |
| Brand | Grant |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SBB AQUA 5/12/18/26 PLUS |
| Temperature Range | Ambient +5 °C to 100 °C |
| Power Supply | 220–240 V AC |
| Heating Power | 1.5 kW (SBB AQUA 5 & 12 PLUS), 2.0 kW (SBB AQUA 18 & 26 PLUS) |
| Capacity | 5 L / 12 L / 18 L / 26 L |
| Working Chamber Dimensions (L×W×D) | 270×215×385 mm / 270×390×385 mm / 270×570×385 mm / 300×570×385 mm |
| Safety Feature | Adjustable Over-Temperature Cut-Off Protection |
| Control Type | Analog Temperature Regulation |
| Standard Lid | Drip-Resistant Polycarbonate Cover |
| Brand | Grant |
|---|---|
| Origin | United Kingdom |
| Model | SUB Aqua Plus |
| Temperature Range | 5°C above ambient to 99°C |
| Temperature Setting Range | 10–99°C in 0.1°C increments |
| Temperature Stability (DIN 12876-1 | 2013) @ 37°C: ±0.2°C |
| Control Method | Digital PID control with microprocessor-based thermostat |
| Display | 3-digit high-brightness, wide-viewing-angle LED |
| Power Supply | 120 V or 230 V AC, 50/60 Hz selectable |
| Drain Valve | Integrated on models ≥12 L capacity |
| Heating Power | 0.13–2.1 kW (model-dependent) |
| Compliance | DIN 12876-1:2013 Class I (laboratory water baths), CE marked, RoHS compliant |
| Brand | Grant |
|---|---|
| Origin | United Kingdom |
| Model | TXF200 R |
| Temperature Range | –47 °C to +100 °C (refrigerated mode) |
| Stability | ±0.1 °C (DIN 12876, water @ 10 °C) |
| Uniformity | ±0.1 °C (DIN 12876, water @ 10 °C) |
| Max Flow Rate | 23 L/min (adjustable) |
| Max Pressure | 530 mbar |
| Display | QVGA TFT color screen |
| Calibration | Dual-point user recalibration (TXPEP/TXSEP probes) |
| Interface | USB & RS232 |
| Programming Capacity | 10 programs, up to 100 stages each |
| Safety Features | Adjustable overtemperature cutoff, low-level float switch protection, audible/visual high/low temperature alarms |
| Fluid Compatibility | Water, 50% water/50% ethylene glycol, and other non-corrosive heat transfer fluids |
| Compliance | DIN 12876-1:2018 (laboratory thermostats), CE, UKCA, RoHS, EMC Class B |
| Brand | Grant |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | TXSEP |
| Pricing | Available Upon Request |
| Brand | Grant |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | UVR-M Series |
| Pricing | Available Upon Request |
| UV Radiation Source | 1 lamp (UVR-M) / 2 lamps (UVR-Mi) |
| UV Airflow Rate | 14 m³/hour |
| UV Irradiance | 18 mW/cm²/s (UVR-M) / 36 mW/cm²/s (UVR-Mi) |
| Timer Range | 1 minute – 24 hours or continuous operation |
| Display | LCD |
| Power Supply | 230 V AC, 125 VA (540 mA) for UVR-M / 110 W (0.5 A) for UVR-Mi |
| Weight | 3.4 kg |
| Wall Mount Bracket | Standard |
| UV Lamp Operational Indicator | Standard |
| Lamp Life Counter | Standard |
| Auto On/Off Switch | Standard |
| Lamp Fault Detection | Standard |
| Optional Accessory | UVR-S Mobile Tripod Stand |
| Origin | UK |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | XUB |
| Price | Upon Request |
| Capacity Options | 4.5–25 L |
| Ultrasonic Power | 100–400 W |
| Operating Frequency | 32–38 kHz |
| Temperature Range | Ambient +5°C to 70°C |
| Heating Power | 150–500 W |
| Frequency Modulation (LEAP) | Yes |
| Digital LCD Control | Yes |
| SD Card Data Logging | Yes |
| Drain Valve | BSP, 3/8" or 1/2" |
| Power Supply | 230 V AC |
| Brand | Grant |
|---|---|
| Origin | United Kingdom |
| Model | XUB5 / XUB10 / XUB12 / XUB18 / XUB25 |
| Capacity | 4.5–25 L |
| Ultrasonic Power | 100–400 W |
| Operating Frequency | 32–38 kHz |
| Temperature Range | Ambient +5 °C to 70 °C |
| Heating Power | 150–500 W |
| Control | Digital LCD with Menu-Driven Interface |
| Data Logging | SD Card with Digital Certification |
| Drain Valve | BSP (3/8" or 1/2") |
| Power Supply | 230 V AC |
| Brand | APL |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Direct Manufacturer |
| Equipment Type | Graphite Block Digestion System |
| Model | ED20G |
| Heating Method | Uniform Surrounding Graphite Heating |
| Temperature Range | Ambient to 200 °C |
| Temperature Accuracy | ±1 °C (±0.2 °C with PID control loop) |
| Max Power | 3.6 kW |
| Number of Digestion Positions | 20 |
| Compliance | EPA Method-Compatible |
| Software Interface | RS-232/USB Digital Serial Port for PC Integration and LIMS Connectivity |
| Sample Uniformity | ±1.5 °C across all 20 positions (ambient–210 °C) |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GRC-50 |
| Instrument Classification | Jacketed Glass Reactor |
| Vessel Capacity | 50 L |
| Vessel Material | 3.3 Borosilicate Glass |
| Operating Pressure Range | –0.1 MPa to ambient |
| Temperature Range | –80 °C to +200 °C |
| Vacuum Performance | ≤ –0.095 MPa (absolute) |
| Sealing Components | PTFE旋塞 & PTFE-lined discharge valve |
| Jacket Configuration | Dual-layer (standard), optional triple-layer with vacuum-insulated outer jacket |
| Insulation | Integrated thermal insulation sleeve for external tubing connections |
| Customization Options | Filter-integrated configuration, bottom-mounted drip tray, feed control via constant-pressure dropping funnel, jacket fluid temperature regulation via external chiller/heater circulator |
| Compliance | Designed per general laboratory reactor safety and material compatibility guidelines (ASTM E2654, ISO 17025-supportive operation, GLP-aligned documentation practices) |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | CLZZ-30 |
| Price | Upon Request |
| Usable Volume | Small-Scale |
| Instrument Material | Borosilicate Glass 3.3 |
| Operating Pressure | Low Vacuum to Atmospheric |
| Collection Flask Capacity | 20 L |
| Filter Disc Material | PTFE |
| Filter Pore Size | 20–30 µm |
| Filtration Vessel Diameter | Ø300 mm |
| Temperature Range | –80 °C to +200 °C |
| Internal Pressure Rating | Full vacuum to ambient pressure |
| Lid Port Configuration | 40# Flange (liquid feed), 24/29# Standard Tapered Ground Joints (vacuum & vent), PTFE Stopcock Drain Valve |
| Frame Material | SUS304 Stainless Steel + Anodized 6061-F Aluminum Plate |
| Overall Dimensions (W×D×H) | Approx. 650 × 650 × 1600 mm |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model | CLZZ-30 |
| Instrument Classification | Other Reactors |
| Usable Volume | Medium-Scale |
| Construction Material | Borosilicate Glass 3.3 (Body), SUS304 Stainless Steel + 6061-F Aluminum Frame |
| Operating Pressure | Low-Pressure / Vacuum |
| Capacity | 30 L (Filtration Vessel) |
| Vacuum Level | −0.098 MPa (≈ 20 mbar abs) |
| Filter Disc | PTFE Fritted Disc, 20–30 µm Porosity |
| Collection Flask Volume | 20 L |
| Vessel Diameter | Ø300 mm |
| Overall Dimensions (W×D×H) | ≈ 650 × 650 × 1600 mm |
| Temperature Range | −80 °C to +200 °C |
| Inlet/Outlet Ports | 40# Flange (Liquid Feed), 24/29# Standard Tapered Ground Joints (Vacuum & Vent) |
| Mobility | Lockable Casters |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | CLZZ-30 |
| Instrument Category | Other Reactors |
| Usable Volume | Medium-Scale |
| Construction Material | Borosilicate Glass 3.3 (Body), SUS304 Stainless Steel + Anodized 6061-F Aluminum (Frame) |
| Operating Pressure Range | Vacuum to Atmospheric |
| Capacity | 30 L (Filtration Vessel), 20 L (Collection Flask) |
| Vacuum Level | ≤ −0.098 MPa (≤ 98 kPa absolute) |
| Filtration Area Diameter | Ø300 mm |
| Filter Disc Material | PTFE Sintered Frit |
| Pore Size | 20–30 µm |
| Temperature Range | −80 °C to +200 °C |
| Frame Dimensions (W×D×H) | Approx. 650 × 650 × 1600 mm |
| Port Standards | 40# Flange (Liquid Feed), 24/29# Standard Taper Ground Joints (Vacuum & Vent) |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-1005 |
| Quotation | Upon Request |
| Refrigeration System | Single-stage compression with cascade sub-cooling technology |
| Compressor | Tecumseh hermetic piston compressor |
| Condenser | Air-cooled, oxygen-free copper spiral-tube design |
| Heat Exchanger | Fully welded series-connected multi-stage heat exchanger |
| Throttling Device | Capillary tube |
| Evaporator | Coil-type, immersed in bath reservoir |
| Temperature Control | Digital intelligent controller, 0.1 °C display resolution |
| Bath Volume | 5 L |
| Operating Temperature Range | –100 °C to –60 °C |
| Temperature Stability | ±2 °C |
| Rated Power | 820 W |
| Refrigerant | Mixed refrigerant blend |
| Cooling Capacity | 110 W at –60 °C |
| Magnetic Stirring Power | 50 W |
| Stirring Speed Range | 100–1000 rpm |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz |
| Drain Port | 1/2″ BSP |
| Reservoir Opening Diameter | Ø210 mm |
| Reservoir Dimensions | Ø220 mm × 180 mm (D × H) |
| Max Flask Capacity | 2000 mL |
| Reservoir Material | ASTM A240 Type 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 | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | DHJF-1005 |
| Quotation | Upon Request |
| Refrigerant | Mixed Cryogenic Refrigerant |
| Temperature Range | −100 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Bath Volume | 5 L |
| Refrigeration Capacity | 110 W at −60 °C, 50 W at −80 °C, 20 W at −100 °C |
| Total Rated Power | 820 W |
| Magnetic Stirring Power | 50 W |
| Stirring Speed Range | 100–1000 rpm |
| Display Resolution | 0.1 °C |
| 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 | AISI 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 | Original Equipment Manufacturer (OEM) |
| Country of Manufacture | China |
| Model | DHJF-1010 |
| Quotation | Upon Request |
| Refrigeration System | Single-stage compression with cascade subcooling design |
| Compressor | Tecumseh hermetic piston compressor |
| Condenser | Air-cooled, oxygen-free copper spiral tube |
| Heat Exchanger | Fully welded series-connected multi-stage heat exchanger |
| Throttling Device | Capillary tube |
| Evaporator | Coil-type, immersed in bath reservoir |
| Temperature Control | Digital microprocessor controller with 0.1 °C display resolution |
| Bath Volume | 10 L |
| Operating Temperature Range | −100 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Rated Power | 2050 W |
| Refrigerant | Mixed refrigerant blend (R508B/R23 or equivalent) |
| Cooling Capacity | 160 W at −60 °C |
| Magnetic Stirring Power | 50 W |
| Stirring Speed Range | 100–1000 rpm |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 3-phase, 380 V ±10%, 50 Hz |
| Drain Port | 1/2″ BSP |
| Reservoir Opening Diameter | Ø210 mm |
| Reservoir Dimensions | Ø250 × 250 mm |
| Max Flask Capacity | 3000 mL |
| Bath Material | AISI 304 stainless steel |
| Overall Dimensions (W×D×H) | 670 × 780 × 1085 mm |
| Net Weight | 150 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Manufacture | China |
| Model | DHJF-1020 |
| Quotation | Upon Request |
| Refrigerant | Mixed Cryogenic Refrigerant |
| Tank Capacity | 20 L |
| Temperature Range | −100 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Refrigeration Capacity | 600 W at −60 °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 |
| Tank Dimensions (Ø×H) | 300 mm × 300 mm |
| Opening Diameter | 280 mm |
| External Port Size | 1/2″ BSP |
| Compatible Flask Volume | Up to 5000 mL |
| Tank Material | AISI 304 Stainless Steel |
| Unit Dimensions (W×D×H) | 810 × 1160 × 1310 mm |
| Net Weight | 154 kg |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Safety Protections | Phase sequence monitoring, overcurrent protection, thermal overload cutoff, startup delay logic |
| Operational Constraint | External circulation function disabled when bath temperature < −90 °C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | DHJF-1030 |
| Cooling Capacity | 620 W at −60 °C, 480 W at −80 °C, 200 W at −100 °C |
| Bath Volume | 30 L |
| Temperature Range | −100 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Circulation Flow Rate | 20 L/min |
| Max. Pressure | 0.4 bar |
| Pump Power | 100 W |
| Total Power Consumption | 4 kW |
| Display | Digital LCD with 0.1 °C resolution |
| Refrigerant | Mixed refrigerant (R23/R13/R508B or equivalent) |
| Construction | 304 Stainless Steel bath & piping |
| External Port | 1/2″ NPT |
| Bath Dimensions | Ø400 × 235 mm |
| Footprint | 1160 W × 800 D × 1310 H mm |
| Weight | 180 kg |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH, 3-phase 380 V / 50 Hz |
| Safety Protections | Phase sequence detection, overcurrent, overheating, delayed startup, thermal cutoff |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | DHJF-1030 |
| Cooling Capacity | 620 W at −60 °C, 480 W at −80 °C, 200 W at −100 °C |
| Temperature Range | −100 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Bath Volume | 30 L |
| Pump Flow Rate | 20 L/min |
| Max. Circulation Pressure | 0.4 bar |
| Power Input | 4000 W (3-phase, 380 V, 50 Hz) |
| Display Resolution | 0.1 °C |
| Evaporator Type | Immersed Helical Coil |
| Compressor | Panasonic Hermetic Scroll Compressor |
| Refrigerant | Mixed Cryogenic Refrigerant Blend |
| Safety Protections | Phase Sequence Monitoring, Overcurrent, Overtemperature, Delayed Start, Thermal Cut-off |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| External Port | 1/2″ NPT |
| Bath Opening Diameter | 320 mm |
| Bath Dimensions (Ø × H) | 400 × 235 mm |
| Max. Flask Capacity | 10,000 mL |
| Bath Material | AISI 304 Stainless Steel |
| Footprint (W × D × H) | 1160 × 800 × 1310 mm |
| Net Weight | 180 kg |
| Warning | External circulation must be disabled when bath temperature < −90 °C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | DHJF-1050 |
| Cooling Capacity | 700 W at −60 °C |
| Temperature Range | −100 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Bath Volume | 50 L |
| Pump Flow Rate | 20 L/min |
| Maximum Pressure | 0.4 bar |
| Circulation Pump Power | 100 W |
| Total Power Consumption | 4876 W |
| Display Resolution | 0.1 °C |
| Refrigerant | Mixed Cryogenic Refrigerant |
| Evaporator Type | Coil-in-Tank (Stainless Steel 304) |
| Compressor | Panasonic Hermetic Scroll Compressor |
| Condenser | Air-Cooled Finned-Tube with Oxygen-Free Copper |
| Heat Exchanger Architecture | Single-Stage Compression with Series-Connected Subcooling Stages |
| Safety Protections | Phase Sequence, Overcurrent, Overheat, Delayed Start |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 3-phase, 380 V, 50 Hz |
| External Port Size | 1/2″ BSP |
| Bath Opening Diameter | 400 mm |
| Bath Dimensions (Ø × H) | 450 × 320 mm |
| Max Flask Capacity | 20 L |
| Unit Dimensions (W × D × H) | 1340 × 820 × 1310 mm |
| Net Weight | 265 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-1050 |
| Quotation | Upon Request |
| Cooling Capacity | 700 W at −60 °C, 580 W at −80 °C, 420 W at −100 °C |
| Temperature Range | −100 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Bath Volume | 50 L |
| Pump Flow Rate | 20 L/min |
| Max. Circulation Pressure | 0.4 bar |
| Pump Power | 100 W |
| Total Power Consumption | 4.876 kW |
| Display | LCD with 0.1 °C resolution |
| Bath Material | 304 Stainless Steel |
| External Port | 1/2″ BSP |
| Bath Opening Diameter | 400 mm |
| Bath Internal Dimensions | Ø450 × 320 mm |
| Max. Flask Capacity | 20,000 mL |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Unit Dimensions (W×D×H) | 1340 × 820 × 1310 mm |
| Net Weight | 265 kg |
| Safety Protections | Phase sequence, overcurrent, overheating, and startup delay protection |
| Refrigerant | Mixed refrigerant blend |
| Note | External circulation must be disabled when bath temperature < −90 °C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM/ODM Producer |
| Model | DHJF-1220 |
| Cooling Capacity | 600 W at −60 °C, 480 W at −80 °C, 180 W at −100 °C, 40 W at −120 °C |
| Temperature Range | −120 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Bath Volume | 20 L |
| Circulation Flow Rate | 20 L/min |
| Max. Pressure | 0.4 bar |
| Pump Power | 100 W |
| Total Power Consumption | 4000 W |
| Reservoir Material | 304 Stainless Steel |
| Reservoir Dimensions (Ø×H) | 300 mm × 300 mm |
| Max. Flask Capacity | 5000 mL |
| Display | Digital LCD with Keypad Interface |
| Safety Protections | Delayed Start, Overcurrent, Overtemperature, Phase Sequence Monitoring |
| Refrigerant | Mixed Cryogenic Refrigerant |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 3-phase, 380 V, 50 Hz |
| External Port Size | 1/2″ NPT |
| Footprint (W×D×H) | 810 × 1160 × 1310 mm |
| Net Weight | 190 kg |
| Critical Operational Constraint | External circulation must be disabled when bath temperature < −90 °C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Manufacture | China |
| Model | DHJF-1205 |
| Quotation | Upon Request |
| Bath Volume (L) | 5 |
| Temperature Range (°C) | –120 to –60 |
| Temperature Stability (°C) | ±2 |
| Rated Power (W) | 820 |
| Refrigerant | Mixed Cryogenic Refrigerant |
| Cooling Capacity (W) | 110 @ –60°C |
| Magnetic Stirring Power (W) | 50 |
| Stirring Speed (rpm) | 100–1000 |
| Ambient Operating Temperature (°C) | 5–35 |
| Ambient Relative Humidity | ≤70% |
| Power Supply | 220–240 V~, 50 Hz |
| Drain Port Size | 1/2" |
| Bath Opening Diameter (mm) | Ø210 |
| Bath Dimensions (mm) | Ø220 × 180 (D × H) |
| Max Flask Capacity (mL) | 2000 |
| Bath Material | AISI 304 Stainless Steel |
| Overall Dimensions (mm) | 630 W × 795 D × 790 H |
| Net Weight (kg) | 125 |
| Safety Protections | Delayed Start, Overcurrent, Overtemperature |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | DHJF-1205 |
| Quotation | Upon Request |
| Refrigeration System | Single-stage compression with cascade sub-cooling technology |
| Temperature Range | −120 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Bath Volume | 5 L |
| Refrigerant | Mixed refrigerant blend |
| Cooling Capacity | 110 W at −60 °C |
| Stirring Power | 50 W |
| Stirring Speed | 100–1000 rpm |
| Display Resolution | 0.1 °C |
| Input Power | 820 W |
| Voltage/Frequency | 220–240 V~, 50 Hz |
| Bath Material | 304 stainless steel |
| External Dimensions (W×D×H) | 630 × 795 × 790 mm |
| Net Weight | 125 kg |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Drain Port | 1/2″ BSP |
| Bath Opening Diameter | Ø210 mm |
| Bath Internal Dimensions | Ø220 × 180 mm |
| Max Flask Capacity | 2000 mL |
| Safety Protections | Delayed start, overcurrent, and overtemperature protection |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | DHJF-1210 |
| Pricing | Upon Request |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Manufacture | China |
| Model | DHJF-1230 |
| Price | Upon Request |
| Refrigerant | Mixed Cryogenic Refrigerant |
| Cooling Capacity | 620 W at –60°C, 480 W at –80°C, 200 W at –100°C, 80 W at –120°C |
| Temperature Range | –120°C to –60°C |
| Temperature Stability | ±2°C |
| Bath Volume | 30 L |
| Circulation Pump | 100 W, 20 L/min, 0.4 bar max pressure |
| Tank Dimensions | Ø400 × 235 mm |
| Opening Diameter | Ø320 mm |
| Max Flask Capacity | 10,000 mL |
| Tank Material | 304 Stainless Steel |
| Compressor | Panasonic Hermetic Scroll Compressor |
| Condenser | Air-Cooled Finned-Tube with Oxygen-Free Copper Coils |
| Evaporator | Immersed Coil-Type in Bath Reservoir |
| Expansion Device | Capillary Tube |
| Control System | Digital Microprocessor Controller, 0.1°C Display Resolution |
| Safety Protections | Phase Sequence, Overcurrent, Overheat, Delayed Start, Thermal Cut-off |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Ambient Operating Conditions | 5–35°C, ≤70% RH |
| Unit Dimensions (W×D×H) | 1160 × 800 × 1310 mm |
| Net Weight | 190 kg |
| Note | External circulation is disabled when bath temperature < –90°C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | DHJF-1230 |
| Cooling Capacity | 620 W at −60 °C, 480 W at −80 °C, 200 W at −100 °C, 80 W at −120 °C |
| Temperature Range | −120 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Bath Volume | 30 L |
| Pump Flow Rate | 20 L/min |
| Max. Circulation Pressure | 0.4 bar |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Total Power Consumption | 4 kW |
| Display | LCD with 0.1 °C resolution |
| Evaporator Type | Coil-in-tank (stainless steel coil immersed in bath fluid) |
| Compressor | Panasonic hermetic scroll compressor |
| Condenser | Air-cooled finned-tube with oxygen-free copper tubing |
| Refrigerant | Mixed refrigerant blend |
| Safety Protections | Phase sequence, overcurrent, overtemperature, and startup delay protection |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| External Port | 1/2″ BSP |
| Bath Opening Diameter | 320 mm |
| Bath Internal Dimensions | Ø400 × 235 mm |
| Max. Flask Capacity | 10,000 mL |
| Bath Material | AISI 304 stainless steel |
| Unit Dimensions (W×D×H) | 1160 × 800 × 1310 mm |
| Net Weight | 190 kg |
| Critical Operational Constraint | External circulation must be disabled when bath temperature < −90 °C |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DHJF-1250 |
| Instrument Type | Constant-Temperature Bath |
| Circulation Mode | Internal Circulation |
| Temperature Control | Refrigeration & Heating |
| Bath Volume | 50 L |
| Temperature Range | −120 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Refrigeration Capacity | 700 W at −60 °C / 580 W at −80 °C / 420 W at −100 °C / 125 W at −120 °C |
| Max Flask Capacity | 20 L |
| Overall Power Consumption | 4876 W |
| External Dimensions (L×W×H) | 1340 × 820 × 1310 mm |
| Net Weight | 265 kg |
| Tank Material | 304 Stainless Steel + Polymer Anti-Corrosion Lining |
| Display | Digital LED with Keypad Input |
| Cabinet Finish | Cold-Rolled Steel with Electrostatic Powder Coating |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Manufacture | China |
| Model | DHJF-1250 |
| Quotation | Available Upon Request |
| Refrigerant | Mixed Cryogenic Refrigerant Blend |
| Reservoir Volume | 50 L |
| Temperature Range | −120 °C to −60 °C |
| Temperature Stability | ±2 °C |
| Refrigeration Capacity | 700 W at −60 °C |
| Circulating Pump Power | 100 W |
| Flow Rate | 20 L/min |
| Max. Pressure | 0.4 bar |
| Display Resolution | 0.1 °C |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Dimensions (W×D×H) | 1340 × 820 × 1310 mm |
| Weight | 265 kg |
| Reservoir Material | 304 Stainless Steel |
| External Port Size | 1/2″ BSP |
| Reservoir Opening Diameter | Ø400 mm |
| Reservoir Internal Dimensions | Ø450 × 320 mm |
| Max. Flask Capacity | 20,000 mL |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Safety Protections | Phase Sequence Detection, Overcurrent, Overheat, Delayed Start, Thermal Cut-off |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-4005 |
| Temperature Range | −40 °C to +99 °C |
| Temperature Stability | ±0.2 °C |
| Bath Volume | 5 L |
| Bath Dimensions (Ø × H) | 250 mm × 130 mm |
| Opening Diameter | 210 mm |
| Max Flask Capacity | 2000 mL |
| Heating Power | 1500 W |
| Rated Flow Rate | 20 L/min |
| Maximum Pressure | 0.4 bar |
| Ambient Operating Temperature | 5–25 °C |
| Power Supply | 220–240 V~, 50 Hz |
| Refrigeration Capacity | 1000 W at 10 °C / 450 W at −20 °C / 40 W at −40 °C |
| Refrigerant | R404A |
| Total Power Consumption | 2450 W |
| Housing Material | Cold-Rolled Steel with Electrostatic Powder Coating |
| Overall Dimensions (W×D×H) | 400 mm × 535 mm × 790 mm |
| Net Weight | 56 kg |