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| Brand | The Great Wall |
|---|---|
| Model | DHJF-8002W |
| Type | Horizontal stirred reaction bath with integrated refrigeration and heating |
| Temperature Range | −80 °C to +10 °C |
| Temperature Stability | ±2 °C |
| Bath Capacity | 2 L |
| Refrigerants | R404A / R23 |
| Cooling Capacity | 200 W at −40 °C, 120 W at −60 °C, 60 W at −80 °C |
| Heating Function | Yes (with dry-run protection) |
| Magnetic Stirring Power | 50 W |
| Stirring Speed | 100–1000 rpm |
| Bath Opening Diameter | Ø140 mm |
| Bath Internal Dimensions | Ø160 mm × 105 mm depth |
| Max Vessel Capacity | 500 mL |
| Bath Material | 304 stainless steel |
| Overall Dimensions (W×D×H) | 410 × 610 × 495 mm |
| Net Weight | 68 kg |
| Power Supply | 220 V~, 50 Hz |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
| Safety Protections | Delayed startup, overcurrent, overtemperature, dry-run (heating mode only) |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DL30-2500 |
| Cooling Capacity (W) | 6000 @ 0°C |
| Temperature Range (°C) | −30 to +5 |
| Temperature Stability (°C) | ±2 |
| Ambient Temp. Range (°C) | 5–35 |
| Ambient Humidity (% RH) | ≤70% |
| Power Supply | 3-phase, 380 V, 50 Hz |
| Refrigerant | R404A (non-CFC, ozone-friendly) |
| Reservoir Volume (L) | 40 |
| Pump Flow Rate (L/min) | 30 |
| Max. System Pressure (bar) | 1 |
| External Port Size | 3/4" BSP/Female NPT |
| Reservoir Material | SUS304 stainless steel |
| Dimensions (W×D×H, mm) | 650 × 1055 × 1070 |
| Net Weight (kg) | 195 |
| Compressor | Tecumseh (original imported hermetic piston type) |
| Condenser | Air-cooled finned-tube with oxygen-free copper spiral tubing |
| Evaporator | Fully brazed plate heat exchanger (AISI 316 stainless steel plates, design temp. −160 to +200°C) |
| Dryer-Filter | Danfoss DML series with 3A molecular sieve core |
| Expansion Valve | Danfoss serviceable thermostatic expansion valve (adjustable superheat) |
| Circulation Pump | High-performance stainless steel centrifugal pump (leak-proof at low temperatures) |
| Control System | Microprocessor-based digital controller with Chinese-language UI (fully programmable setpoints, real-time monitoring) |
| Safety Protections | Phase sequence detection, delayed start, overcurrent, overtemperature, ground fault, and high-pressure cut-off |
| Enclosure IP Rating | IP44 |
| System Type | Hermetically sealed closed-loop circulation |
| Integrated Features | Liquid level indicator, system pressure gauge, particulate filter, refrigerant charge monitoring |
| Brand | Great Wall |
|---|---|
| Model | SY-20-160 |
| Temperature Range | +5 °C above ambient to 160 °C |
| Temperature Stability | ±0.5 °C |
| Heating Power | 3 kW |
| Circulation Flow Rate | ≤42 L/min |
| Max. Pressure | 2.8 bar |
| Pump Power | 370 W |
| Heat Transfer Fluid Capacity | 9 L |
| External Cooling Coil | Yes (water-cooled) |
| Protection Functions | Overtemperature, leakage current, thermal overload, overcurrent, phase sequence |
| Power Supply | 220–240 V~, 50 Hz |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Dimensions (W×D×H) | 430×690×1075 mm |
| Weight | 60 kg |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DL30-700 |
| Cooling Capacity (W) | 1750 @ 0°C |
| Temperature Range (°C) | −30 to +5 |
| Temperature Stability (°C) | ±2 |
| Ambient Temp. Range (°C) | 5–35 |
| Ambient Humidity (% RH) | ≤70 |
| Power Supply | 220–240 V, 50 Hz |
| Refrigerant | R410A (CFC-free) |
| Reservoir Volume (L) | 17 |
| Pump Flow Rate (L/min) | 20 |
| Max. System Pressure (bar) | 0.4 |
| Reservoir Material | SUS304 Stainless Steel |
| External Port Size | 1/2" NPT |
| Dimensions (W×D×H, mm) | 465 × 690 × 820 |
| Net Weight (kg) | 80 |
| Safety Protections | Delayed Start, Leakage Detection, Overcurrent, Overtemperature |
| Display | Digital Microcontroller with Chinese UI |
| Liquid Level Indicator | Integrated Visual Gauge |
| System Pressure Gauge | Installed |
| Filtration | In-line Particulate Filter |
| Dryer Filter | Danfoss DML Series with 3A Molecular Sieve |
| Compressor | Panasonic Wakō Scroll-Type Rotary Compressor |
| Condenser | Air-Cooled Finned-Tube with Oxygen-Free Copper Spiral Tube |
| Evaporator | Immersed Coil-Type in Reservoir |
| Circulation System | Hermetically Sealed, Leak-Proof Stainless Steel Loop |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | HX-3010 |
| Temperature Range | −30 °C to +99 °C |
| Temperature Stability | ±0.2 °C |
| Display Resolution | 0.1 °C |
| Heating Power | 1600 W |
| Refrigerant | R404A |
| Max. Pump Pressure | 0.2 bar |
| Max. Flow Rate | 10 L/min |
| Reservoir Volume | 10 L |
| Reservoir Opening | 120 mm (W) × 141 mm (D) |
| Reservoir Depth | 145 mm |
| Dimensions (W×D×H) | 255 mm × 490 mm × 693 mm |
| Weight | 55 kg |
| Power Supply | 220–240 V~, 50 Hz |
| Total Power Consumption | 2160 W |
| Communication Interface | RS485 |
| Enclosure Material | Cold-Rolled Steel with Electrostatic Powder Coating |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Operating Ambient | 5–35 °C, ≤70% RH |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | HT-1500 |
| Cooling Method | Air-Cooled |
| Refrigerant | R410A |
| Temperature Control Mode | PID |
| Ambient Operating Conditions | 5–40°C / 30–70% RH |
| Setpoint Range | 5–40°C |
| Cooling Capacity | 1500 W |
| Temperature Stability | ±0.2°C |
| Circulation Pump Max Pressure | 0.14 MPa |
| Circulation Pump Max Flow Rate | 40 L/min |
| Reservoir Volume | 5 L |
| Heat Transfer Fluid Options | Deionized Water or 15% Ethylene Glycol Solution |
| Inlet/Outlet Port Size | Rc1/2 |
| Refill Pressure Range | 0.2–0.5 MPa |
| Refill Temp Range | 5–40°C |
| Refill Rate | 1 L/min |
| Refill Port Size | Rc3/8 |
| Overflow Port Size | Rc3/4 |
| Safety Protections | Overpressure, Overcurrent, Thermal Overload, Overheat, Low-Level Liquid Detection |
| Total Power Consumption | 1160 W |
| Input Current | 6.2 A |
| Power Supply | 220–240 V~, 50 Hz |
| Dimensions (W×D×H) | 403×576×645 mm |
| Noise Level | 68 dB(A) @ 1 m (front, no load, steady state) |
| Net Weight | 50 kg |
| Communication Interfaces | RS485, RS232, ZigBee Wireless |
| Data Logging | Internal Auto-Storage + USB Export |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SY-100-250 |
| Temperature Range | +5 °C above ambient to 250 °C |
| Temperature Stability | ±0.5 °C |
| Circulation Flow Rate | 120 L/min |
| Maximum Pressure | 1.5 bar |
| Heating Power | 12 kW |
| Total Power Consumption | 12.75 kW |
| Pump Power | 750 W |
| Heat Transfer Fluid Capacity | 17 L |
| External Cooling Interface | R2 3/4 |
| Power Supply | 3-phase, 380 V, 50 Hz |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Dimensions (W×D×H) | 640×940×1585 mm |
| Weight | 185 kg |
| Safety Protections | Overtemperature, leakage current, thermal overload, phase sequence, and overcurrent protection |
| Heat Transfer Medium | Thermal oil |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DL30-300 |
| Pricing | Upon Request |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DL30-1000 |
| Cooling Capacity (W) | 2800 @ 0°C |
| Temperature Range (°C) | −30 to +5 |
| Temperature Stability (°C) | ±2 |
| Ambient Temp. Range (°C) | 5–35 |
| Ambient Humidity | ≤70% RH |
| Power Supply | 220–240 V~, 50 Hz |
| Refrigerant | R410A (non-ozone-depleting) |
| Reservoir Volume | 30 L |
| Pump Flow Rate | 20 L/min |
| Max. System Pressure | 0.4 bar |
| Reservoir Material | SUS304 Stainless Steel |
| External Port Size | 1/2" NPT |
| Dimensions (W×D×H, mm) | 495 × 760 × 860 |
| Net Weight | 100 kg |
| Safety Protections | Compressor delay start, leakage current protection, overcurrent cutoff, overtemperature shutdown |
| Controller | Microprocessor-based digital controller with Chinese-language interface (display only |
| Brand | Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | DL-400 |
| Pricing | Available Upon Request |
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SY-200-200 |
| Temperature Range | +5 °C above ambient to 200 °C |
| Temperature Stability | ±0.5 °C |
| Circulation Flow Rate | 150 L/min |
| Maximum Pressure | 2.5 bar |
| Heating Power | 24 kW |
| Total Power Consumption | 24.75 kW |
| Pump Power | 750 W |
| Heat Transfer Fluid Capacity | 25 L |
| External Cooling Interface | R21 (cooling coil supplied) |
| Power Supply | 3-phase, 380 V, 50 Hz |
| IP Rating | IP20 |
| Pollution Degree | 2 |
| Dimensions (W×D×H) | 610 × 940 × 1590 mm |
| Weight | 240 kg |
| Safety Protections | Independent overtemperature cutoff, earth leakage protection, thermal overload protection, phase sequence monitoring, overcurrent protection |
| Brand | The Great Wall |
|---|---|
| Model | HX-2505G |
| Temperature Range | −25 °C to 200 °C |
| Temperature Stability | ±0.2 °C |
| Display Resolution | 0.1 °C |
| Heating Power | 1.1 kW |
| Refrigeration Capacity | 0.07 kW @ −25 °C to 0.5 kW @ 200 °C |
| Pump Flow Rate | ≤10 L/min |
| Pump Pressure | ≤0.2 bar |
| Bath Volume | 6 L |
| External Port | M16×1 |
| Dimensions (W×D×H) | 376×554×740 mm |
| Weight | 50 kg |
| Power Supply | 220–240 V~, 50 Hz |
| IP Rating | IP20 |
| Refrigerant | R404A |
| Ambient Operating Conditions | 5–35 °C, ≤70% RH |
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