Refrigeration Equipment
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| 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 | 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 |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-4010 |
| Instrument Type | Vertical |
| Temperature Stability | ±0.2 °C |
| Temperature Range (Heat Transfer Fluid Output) | −40 °C to +99 °C |
| Bath Opening Diameter | Ø210 mm |
| Bath Volume | 10 L |
| External Dimensions (W×D×H) | 485 mm × 590 mm × 935 mm |
| Net Weight | 84 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DHJF-4020 |
| Price | Upon Request |
| Refrigerant | R404A |
| Bath Volume | 20 L |
| Temperature Range | −40 °C to +99 °C |
| Temperature Stability | ±0.5 °C |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz |
| Total Power Consumption | 2870 W |
| Heating Power | 1500 W |
| Cooling Capacity | 2100 W (at 10 °C), 1750 W (at 0 °C), 1300 W (at −10 °C), 900 W (at −20 °C), 480 W (at −30 °C), 150 W (at −40 °C) |
| Circulation Pump | Stainless-steel shielded pump, 100 W, 20 L/min @ 0.4 bar |
| Stirring | Internal magnetic stirring, 50 W, 100–1000 rpm |
| Stirring Port Opening | Φ280 mm |
| Inner Bath Dimensions | Φ300 × 300 mm |
| Max Flask Capacity | 5000 mL (user-supplied) |
| Bath Material | 304 stainless steel |
| External Footprint | 535 W × 595 D × 1010 H mm |
| Net Weight | 95 kg |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Equipment Type | Integrated Circulating Chiller |
| Cooling Method | Air-Cooled |
| Temperature Control Range | −15 °C to 25 °C |
| Temperature Stability | ±2 °C |
| Refrigeration Capacity | 400 W @ 0 °C |
| Circulating Pump Flow Rate | 17 L/min |
| Pump Pressure | 0.2 bar |
| Reservoir Volume | 3 L |
| Power Supply | 220–240 V~, 50 Hz |
| Refrigerant | R134a |
| Sensor | Pt100 |
| Display Resolution | 0.1 °C |
| Safety Protections | Compressor Delay Start, Thermal Overload Protection, Overcurrent Protection |
| Certifications | CE (TUV certified) |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Reservoir Material | SUS304 Stainless Steel |
| External Connection | Ø10 mm OD, compatible with silicone tubing (Ø13×Ø9 mm) |
| Dimensions (W×D×H) | 260×410×550 mm |
| Net Weight | 26 kg |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Integrated Unit |
| Cooling Method | Water-Cooled |
| Temperature Range | −15 °C to 25 °C |
| Refrigeration Capacity | 400 W |
| Temperature Stability | ±2 °C |
| Circulation Pump Pressure | 0.2 bar |
| Circulation Flow Rate | 17 L/min |
| Reservoir Volume | 3 L |
| Operating Mode | Continuous Duty |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DL10-3000G |
| Price Range | USD 1,400–7,200 |
| Compressor | Copeland Scroll (Dual-Flex Design) |
| Condenser | Air-Cooled Finned-Tube with Oxygen-Free Copper Helical Tubes |
| Evaporator | 304 Stainless Steel Coil-in-Tank Type |
| Drier Filter | Danfoss DML Series (3A Molecular Sieve) |
| Circulation Pump | Imported High-Pressure Rotary Vane Pump (Adjustable Pressure) |
| Refrigerant | R134a (CFC-Free, ODP = 0) |
| Temperature Control Algorithm | PID |
| Temperature Stability | ±2 °C |
| Display | Digital (Pt100 Sensor) |
| Cooling Capacity | 3000 W (at 25 °C ambient, 15 °C coolant) |
| Minimum Operating Temperature (No Load) | −10 °C |
| Usable Temperature Range | −10 °C to (Ambient − 5) °C |
| Reservoir Volume | 30 L |
| Flow Rate | 16 L/min |
| System Pressure Range | 1–10 bar |
| Power Input | 220–240 V~, 50 Hz |
| Rated Power | 2200 W |
| Rated Current | 11.7 A |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Reservoir Material | SUS304 Stainless Steel |
| External Port | Rc 1/2 Internal Thread |
| Coolant Fill Opening | Ø60 mm |
| Dimensions (W×D×H) | 495 × 760 × 860 mm |
| Net Weight | 108 kg |
| Safety Protections | Compressor Delay Start, High-Pressure Cut-off, Overload & Overcurrent Protection |
| Dual-Stage Filtration | At Fill Port & Reservoir Outlet |
| Level Indicator | Transparent Sight Tube |
| Pressure Gauge | Front-Mounted Analog Dial |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | DL10-3000G |
| Cooling Capacity | 3000 W (at 25°C ambient, 15°C coolant) |
| Temperature Range | –10°C to 25°C (with ΔT ≤ room temp – 5°C) |
| Stability | ±2°C |
| Control Algorithm | PID |
| Refrigerant | R134a (CFC-free) |
| Pump Flow Rate | 16 L/min |
| Reservoir Volume | 30 L |
| Reservoir Material | SUS304 Stainless Steel |
| Power Supply | 220–240 V~, 50 Hz |
| Rated Power | 2200 W |
| Rated Current | 11.7 A |
| External Port | Rc 1/2 internal thread |
| Reservoir Fill Opening | Ø60 mm |
| Dimensions (W×D×H) | 495 × 760 × 860 mm |
| Net Weight | 108 kg |
| Ambient Operating Conditions | 5–35°C, ≤70% RH |
| Safety Protections | Compressor delay start, high-pressure, overload, and overcurrent protection |
| Temperature Sensor | Pt100 |
| Display | Digital LED |
| Evaporator | 304 stainless steel coil-in-tank design |
| Condenser | Air-cooled finned-tube with oxygen-free copper spiral tubing |
| Compressor | Copeland Scroll (dual-flex design) |
| Dryer Filter | Danfoss DML series with 3A molecular sieve |
| Circulation Pump | Imported high-pressure rotary vane pump |
| Dual-stage filtration | at fill port and reservoir outlet |
| Liquid Level Indicator | Transparent sight tube |
| System Pressure Gauge | Front-panel analog gauge |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic Laboratory Refrigeration Equipment |
| Model | DL10-3000G |
| Cooling Capacity | 3000 W (at 25°C ambient, 15°C coolant) |
| Operating Temperature Range | –10°C to 25°C (max. setpoint ≤ ambient – 5°C) |
| Temperature Stability | ±2°C |
| Control Algorithm | PID |
| Refrigerant | R134a (CFC-free) |
| Pump Flow Rate | 16 L/min |
| Reservoir Volume | 30 L |
| Reservoir Material | SUS304 Stainless Steel |
| External Port | Rc 1/2 internal thread |
| Power Supply | 220–240 V~, 50 Hz |
| Rated Power | 2200 W |
| Rated Current | 11.7 A |
| Dimensions (W×D×H) | 495 × 760 × 860 mm |
| Net Weight | 108 kg |
| Ambient Operating Conditions | 5–35°C, ≤70% RH |
| Safety Protections | Compressor delay start, high-pressure, overload, and overcurrent protection |
| Temperature Sensor | Pt100 |
| Display | Digital temperature readout with integrated level and pressure indicators |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Equipment Type | Integrated Circulating Chiller |
| Cooling Method | Water-Cooled |
| Temperature Range | -30°C to +5°C |
| Refrigeration Capacity | 700 W |
| Circulation Pump Pressure | 0.4 bar |
| Circulation Flow Rate | 20 L/min |
| Construction | Stainless Steel (SUS Standard) & Chemical-Resistant Polymer Components |
| Refrigerant | CFC-Free, Environmentally Compliant (R-404A or equivalent) |
| Safety Features | Low-Level Protection, Freeze Prevention, Clog Resistance, Pressure Monitoring, Overload-Protected Compressor |
| Compliance | Designed for GLP-compliant lab environments |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Split-System |
| Cooling Method | Air-Cooled |
| Temperature Range | −30 °C to +10 °C |
| Refrigeration Capacity | 3.5 kW to 28 kW |
| Temperature Stability | ±2 °C |
| Circulating Pump Pressure | 2.2 bar |
| Circulating Pump Flow Rate | 67 L/min |
| Reservoir Volume | 200 L |
| Operation Mode | Continuous Duty |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Type | Integrated Circulating Chiller |
| Cooling Method | Air-Cooled |
| Temperature Range | –20 to 25 °C |
| Temperature Stability | ±2 °C |
| Refrigeration Capacity | 360–680 W (varies with setpoint) |
| Pump Max Flow Rate | 22 L/min |
| Pump Max Pressure | 1.1 bar |
| Reservoir Volume | 5 L |
| Display Resolution | 0.1 °C |
| Communication Interface | RS485 with Modbus RTU protocol |
| Refrigerant | R404A |
| Power Supply | 220 V~, 50 Hz |
| IP Rating | IP20 |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Reservoir Material | 304 Stainless Steel |
| Dimensions (W×D×H) | 335 × 473 × 684 mm |
| Net Weight | 40 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | DLSB-5/20B |
| Cooling Capacity | 650 W at 10°C, 580 W at 0°C, 490 W at −10°C, 280 W at −20°C |
| Temperature Range | −20°C to +25°C (ambient ≤35°C) |
| Temperature Stability | ±2°C |
| Temperature Display Resolution | 0.1°C |
| Refrigerant | R404A (CFC-free, ozone-friendly) |
| Compressor | Embraco hermetic piston compressor |
| Condenser | Air-cooled finned-tube with oxygen-free copper coil |
| Evaporator | 304 stainless steel coiled tube immersed in reservoir |
| Circulating Pump | 304 stainless steel shielded pump, leak-proof at low temperatures |
| Reservoir Volume | 5 L |
| Flow Rate | 20 L/min |
| Max. Pressure | 0.4 bar |
| Power Supply | 220–240 V~, 50 Hz |
| Rated Power | 635 W |
| Protection | Delay start, overcurrent, overheat, grounding, high-pressure |
| Enclosure Rating | IP20 |
| Pollution Degree | Class II |
| Communication Interface | RS485, MODBUS RTU protocol |
| Safety Certification | CE compliant |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | DLSB-5/20D |
| Instrument Type | Vertical |
| Temperature Stability | ±2 °C |
| Temperature Setting Accuracy | ±2 °C |
| Bath Volume | 5 L |
| Heating Power | 635 W |
| Overall Weight | 41 kg |
| Dimensions (W×D×H) | 335 mm × 473 mm × 684 mm |
| Circulating Medium | Ethanol |
| Refrigerant | R404A (CFC-free) |
| Compressor | Hermetic Piston Compressor (Embraco) |
| Condenser | Air-Cooled Finned-Tube with Oxygen-Free Copper Coils |
| Evaporator | 304 Stainless Steel Coil-in-Bath Type |
| Pump | 304 Stainless Steel Shielded Low-Temperature Circulation Pump |
| Max. Flow Rate | 22 L/min |
| Max. Pressure | 1.1 bar |
| Protection Features | Delay Start, Overcurrent, Overheat, High-Pressure, Ground Fault |
| IP Rating | IP20 |
| Ambient Operating Range | 5–35 °C, ≤70% RH |
| Power Supply | 220 V~, 50 Hz |
| Communication Interface | RS485, MODBUS RTU Protocol |
| Controller | LCD Display with 0.1 °C Resolution, CE Certified |
| Brand | Great Wall |
|---|---|
| Model | DLSB-ZC |
| Origin | Henan, China |
| Power Supply | 220–240 V~, 50 Hz |
| Operating Temperature Range | −10 to 25 °C |
| Ambient Temperature Range | 5 to 25 °C |
| Temperature Stability | ±2 °C |
| Reservoir Capacity | 20 L |
| Refrigeration Capacity | 600–2550 W |
| Circulation Pump Power | 280 W |
| Rated Flow Rate | 30 L/min |
| Maximum Vacuum | 0.098 MPa (2 kPa) |
| Number of Vacuum Ports | 3 |
| Single-Port Pumping Speed | 10 L/min |
| Pressure Rating | 1.0 bar |
| Overall Dimensions (W×D×H) | 595 × 475 × 925 mm |
| Total Power Consumption | 1650 W |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DLSB-ZC |
| Operating Temperature Range | −10 °C to 25 °C |
| Ambient Temperature Range | 5 °C to 25 °C |
| Temperature Stability | ±2 °C |
| Total Power Consumption | 1650 W |
| Electrical Supply | 220–240 V~, 50 Hz |
| Reservoir Volume | 20 L |
| Refrigeration Capacity | 600–2550 W |
| Circulating Pump Power | 280 W |
| Rated Flow Rate | 30 L/min |
| Maximum Pressure Output | 1.0 bar |
| Ultimate Vacuum Level | 0.098 MPa (2 kPa) |
| Number of Vacuum Ports | 3 |
| Single-Port Pumping Speed | 10 L/min |
| Dimensions (W×D×H) | 595 × 475 × 925 mm |
| [Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Vertical |
| Temperature Range | −5 to 99 °C |
| Temperature Stability | ±0.05 °C (display resolution) |
| Display Resolution | 0.01 °C |
| Bath Volume | 5 L |
| Bath Opening | 141 W × 120 D mm |
| Bath Depth | 145 mm |
| External Dimensions | 270 W × 490 D × 650 H mm |
| Net Weight | 32 kg |
| Circulation Pump Flow Rate | up to 10 L/min |
| Max Pump Pressure | 0.2 bar |
| Heating Power | 1.1 kW |
| Total Power Consumption | 1.5 kW |
| Refrigerant | R134a |
| Communication Interface | RS-485 (Modbus RTU protocol) |
| Bath Material | 06Cr19Ni10 (AISI 304 stainless steel) |
| Enclosure Material | Powder-coated cold-rolled steel |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Operating Ambient | 5–35 °C, ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz] |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Vertical |
| Temperature Stability | ±0.2 °C |
| Operating Temperature Range | −30 °C to 99 °C |
| Bath Opening Dimensions | 120 W × 141 D mm |
| Heating Power | 1750 W |
| Bath Volume | 10 L |
| External Dimensions | 255 W × 490 D × 693 H mm |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | LT-50-80 |
| Temperature Range | –80 °C to –40 °C |
| Temperature Stability | ±2 °C |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Total Power Consumption | 9.8 kW |
| Refrigerants | R404A / R23 |
| Cooling Capacity | 5000 W at –40 °C, 3000 W at –60 °C, 1000 W at –80 °C |
| Bath Volume | 10 L |
| Circulation Pump | 280 W, 30 L/min, max. pressure 1.0 bar |
| External Port | 1/2″ threaded |
| Fill Port Diameter | Φ60 mm |
| Bath & Piping Material | SUS304 stainless steel |
| Heat Exchanger Core Material | SUS316 stainless steel plates |
| Dimensions (W×D×H) | 710 × 1230 × 1380 mm |
| Net Weight | 350 kg |
| Protection Class | IP44 |
| Safety Features | Delayed start, overcurrent, overtemperature, high-pressure cutoff |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Vertical |
| Temperature Setting Accuracy | ±1.5 °C |
| Bath Volume | 1 L |
| Circulating Medium | Ethanol |
| Sealing System | Dual-Seal (PTFE + FKM) |
| Rotation Speed Control | Digital LCD Interface with Knob |
| Lifting Stroke | 150 mm |
| Lift Mechanism | Motorized |
| Bath Angle Adjustment Range | 15°–45° |
| Condenser Type | Double-Coil Spiral |
| Heating Method | Bottom-Mounted Hidden Heater (Electric, Immersion-Free) |
| Bath–Heater Isolation | Yes |
| Optional Accessory | Insulating Bath Cover |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM Manufacturer |
| Model | ZT-20-200-40H |
| Instrument Type | Integrated Circulator |
| Cooling Method | Air-Cooled |
| Temperature Range | −40 °C to +200 °C |
| Temperature Stability | ±0.5 °C |
| Refrigeration Capacity | 4.3 kW @ 10 °C |
| Heating Power | 3 kW |
| Circulation Pump Flow Rate | 30 L/min |
| Circulation Pump Pressure | 1 bar |
| Bath Volume | 10 L |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Overall Dimensions (L×W×H) | 840 × 730 × 1470 mm |
| Weight | Approx. 185 kg |
| Control Interface | 5.7″ TFT Color Touchscreen (Bilingual: EN/CN) |
| Communication Port | RS485 / Optional Ethernet |
| Programmable Profiles | 120 programs, up to 100 segments each |
| Safety Protections | Overtemperature, overcurrent, overload, phase loss, low-level detection, leakage current, delayed startup |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZT-5-200-30H |
| Instrument Type | Integrated Unit |
| Cooling Method | Air-Cooled |
| Temperature Range | −80 °C to +200 °C |
| Refrigeration Capacity | 3000 W at 20 °C |
| Temperature Stability | ±0.5 °C |
| Circulating Pump Pressure | 1.5 bar |
| Flow Rate | 25 L/min |
| Reservoir Volume | 5 L |
| Operating Mode | Continuous |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | ZT-50-200-30H |
| Instrument Type | Vertical |
| Temperature Stability | ±0.5 °C |
| Temperature Uniformity | ±0.8 °C (typical in 13 L bath at mid-depth) |
| Setpoint Accuracy | ±0.5 °C |
| Operating Temperature Range | −30 °C to +200 °C |
| Bath Volume | 13 L |
| Heating Power | 6 kW |
| Cooling Capacity | 7.5 kW @ 10 °C, 4.6 kW @ −10 °C, 2.5 kW @ −20 °C, 1.0 kW @ −30 °C |
| Pump Flow Rate | 30 L/min |
| Maximum Pump Pressure | 2.5 bar |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Overall Dimensions (W×D×H) | 813 mm × 1092 mm × 1445 mm |
| Net Weight | 251 kg |
| Heat Exchanger | Fully Brazed Plate Type |
| Circulation Medium | Synthetic Heat Transfer Fluid (e.g., silicone oil or polyalkylene glycol-based) |
| Control Interface | 5.7″ TFT Color Touchscreen |
| Safety Protections | Overtemperature, overcurrent, overload, phase loss, low-level, leakage current, delayed startup, and dry-run prevention |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM Manufacturer |
| Model | ZT-50-200-30H |
| Temperature Range | −30 °C to 200 °C |
| Temperature Stability | ±0.5 °C |
| Pump Flow Rate | 30 L/min |
| Max Pressure | 1 bar |
| Reservoir Capacity | 13 L |
| Power Supply | 3-phase 380 V / 50 Hz |
| Total Power | 9.2 kW |
| Heating Power | 6 kW |
| Cooling Capacity | 7.5 kW @ 200 °C, 4.6 kW @ −10 °C, 2.5 kW @ −20 °C, 1 kW @ −30 °C |
| Refrigerant | R22 |
| Pump Power | 0.28 kW |
| External Port | 3/4″ BSP |
| Reservoir & Piping Material | SUS304 |
| Evaporator Plate Material | AISI 316 |
| Control Interface | 5.7″ TFT color touchscreen with MODBUS RTU (RS-485) |
| Programmable Profiles | 120 programs × 100 segments |
| Safety Protections | High/Low pressure, overtemperature, overload, phase sequence, overheat |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM Manufacturer |
| Model | ZT-50-200-80H |
| Temperature Range | −80 °C to 200 °C |
| Temperature Stability | ±0.5 °C |
| Refrigerants | R404A / R23 |
| Total Power | 15 kW |
| Heating Power | 6 kW |
| Dual Compressors | 2 × 4.476 kW (Copeland/Tecumseh-grade hermetic piston) |
| Cooling Capacity | 8.2 kW at 200 °C, 5.0 kW at −40 °C, 1.0 kW at −78 °C |
| Pump Flow Rate | 30 L/min @ 3 bar |
| Reservoir Volume | 17 L |
| Display | 7″ TFT color touchscreen with MODBUS RTU (RS-485) |
| Compliance | JB/T 2379 (industrial electric heaters), CE-marked electrical architecture, IP54-rated control cabinet |
| Dimensions (W×D×H) | 885 × 1340 × 1580 mm |
| Weight | Approx. 320 kg |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ZTM Series |
| Instrument Type | Vertical |
| Temperature Stability | ±0.5 °C |
| Setpoint Accuracy | ±0.5 °C |
| Operating Temperature Range | −30 °C to 200 °C |
| Heating Power | 3 kW |
| Bath Volume | 3 L |
| External Dimensions (W×D×H) | 554 mm × 796 mm × 1050 mm |
| Net Weight | 170 kg |
| Circulating Medium | Water |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | ZTM |
| Price | USD 7,000 (approx.) |